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1. Evaluation of metal nano-particles as growth promoters and fungi inhibitors for cereal crops

Author:
A. S. Hoang; H. H. Cong; V. P. Shukanov; L. A. Karytsko; S. N. Poljanskaja; E. V. Melnikava; I. A. Mashkin; T. H. Nguyen; D. K. Pham; C. M. Phan
Source:
Chemical and biological technologies in agriculture 2022 v.9 no.1 pp. 12
ISSN:
2196-5641
Subject:
Helminthosporium; agriculture; barley; carotenoids; crop production; germination; nanosilver; plant development; wheat; zinc oxide
Abstract:
... BACKGROUND: Nano-particles of metals can be routinely synthesized. The cereal seeds treatment with the particles can improve early growth and crop production. Moreover, the treatment is robust and economical. METHODS: Metal (Fe⁰, Cu⁰, Co⁰), zinc oxide (ZnO) and chitosan-stabilized silver nano-particles were synthesized and applied to cereal seeds. The germination rate, early plant development and ...
DOI:
10.1186/s40538-021-00277-w

2. Role of Melanin Production by Helminthosporium species on Pathogenicity in Graminaceous Hosts

Author:
Amrinder Kaur; Vineet K Sharma; Ritu Rani
Source:
Indian journal of ecology 2022 v.49 no.2 pp. 534-542
ISSN:
0304-5250
Subject:
Bipolaris sorokiniana; Drechslera; Helminthosporium; Phalaris minor; barley; blight; disease severity; ecology; leaves; melanin; oats; pathogenicity; wheat; India
Abstract:
... Fifty foliar blight diseased samples collected from wheat, barley and oat growing areas of north-western India revealed that Bipolaris sorokiniana was present in all the isolates collected from barley, wheat and Phalaris minor, while Drechslera avenae was associated with isolates from oats. All the test isolates were pathogenic on their susceptible check viz., PL426 (barley), HD-2329 (wheat), OL-9 ...
DOI:
10.55362/IJE/2022/3557

3. Cross-infectivity of Helminthosporium isolates occurring on barley and other graminaceous hosts

Author:
Amrinder Kaur; Vineet K Sharma
Source:
Agricultural research journal 2021 v.58 no.1 pp. 75-81
ISSN:
2395-146X
Subject:
Bipolaris sorokiniana; Drechslera; Helminthosporium; Phalaris minor; agricultural research; barley; blight; fungi; grain yield; leaf spot; leaves; pathogens; rice; virulence; wheat
Abstract:
... Foliar blights of graminaceous host are one of the important fungal diseases causing considerable losses to the crops. Under Punjab conditions, foliar blight/spot blotch of wheat and barley (Bipolaris sorokiniana) and leaf spot of oats (Drechslera avenae) are one of the devastating fungal diseases causing considerable reduction in the grain yield. Fifty leaf samples showing typical disease symptom ...
DOI:
10.5958/2395-146X.2021.00010.7

4. Cyclohelminthol CPs: Scope and Limitations of Density Functional Theory-Based Structural Elucidation of Natural Products

Author:
Kota Inose; Shizuya Tanaka; Kazuaki Tanaka; Masaru Hashimoto
Source:
Journal of organic chemistry 2021 v.86 no.2 pp. 1505-1515
ISSN:
1520-6904
Subject:
Helminthosporium; carbon; circular dichroism spectroscopy; density functional theory; geometry; moieties; organic chemistry
Abstract:
... The effectiveness and limitations of density functional theory (DFT) calculations in the structural determination of complexed and conformationally flexible natural products were demonstrated using the cyclohelminthols CP-1 (1) CP-2 (2), CP-3 (3), and CP-4 (4) newly isolated from Helminthosporium velutinum yone96. Prior to DFT calculations, the structures were tentatively assigned using convention ...
DOI:
10.1021/acs.joc.0c02378

5. First Confirmed Report of Leaf Blight on Browntop Millet Caused by Bipolaris setariae in Southern Peninsular India

Author:
G. V. Ramesh; K. B. Palanna; B. Praveen; H. D. Vinay Kumar; P. S Koti; P. Sonavane; V. A. Tonapi
Source:
Plant disease 2021 v.105 no.05 pp. 1561
ISSN:
0191-2917
Subject:
Bipolaris setariae; DNA; Helminthosporium; Urochloa ramosa; conidia; conidiophores; cultivars; genes; glyceraldehyde-3-phosphate dehydrogenase; grain yield; greenhouses; herbaria; internal transcribed spacers; leaf blight; leaf spot; millets; pathogenicity; pathogens; relative humidity; India
Abstract:
... Browntop millet (Brachiaria ramosa [L.] Stapf), which is native to India, was recently introduced as one of the small millet crops. In September 2018, leaf blight symptoms were observed on cultivar Dundu Korale on the adaxial side of the leaves in a field at Bangalore, India (13.0784°N, 77.5793°E). Initial lesions were brown with a small yellow halo that ranged from 1 to 5 mm and eventually enlarg ...
DOI:
10.1094/PDIS-11-20-2445-PDN

6. Fungal diversity notes 1387–1511: taxonomic and phylogenetic contributions on genera and species of fungal taxa

Author:
Saranyaphat Boonmee; Dhanushka N. Wanasinghe; Mark S. Calabon; Naruemon Huanraluek; Sajini K. U. Chandrasiri; Gareth E. B. Jones; Walter Rossi; Marco Leonardi; Sanjay K. Singh; Shiwali Rana; Paras N. Singh; Deepak K. Maurya; Ajay C. Lagashetti; Deepika Choudhary; Yu-Cheng Dai; Chang-Lin Zhao; Yan-Hong Mu; Hai-Sheng Yuan; Shuang-Hui He; Rungtiwa Phookamsak; Hong-Bo Jiang; María P. Martín; Margarita Dueñas; M. Teresa Telleria; Izabela L. Kałucka; Andrzej M. Jagodziński; Kare Liimatainen; Diana S. Pereira; Alan J. L. Phillips; Nakarin Suwannarach; Jaturong Kumla; Surapong Khuna; Saisamorn Lumyong; Tarynn B. Potter; Roger G. Shivas; Adam H. Sparks; Niloofar Vaghefi; Mohamed A. Abdel-Wahab; Faten A. Abdel-Aziz; Guo-Jie Li; Wen-Fei Lin; Upendra Singh; Rajendra P. Bhatt; Hyang Burm Lee; Thuong T. T. Nguyen; Paul M. Kirk; Arun Kumar Dutta; Krishnendu Acharya; V. Venkateswara Sarma; M. Niranjan; Kunhiraman C. Rajeshkumar; Nikhil Ashtekar; Sneha Lad; Nalin N. Wijayawardene; Darbe J. Bhat; Rong-Ju Xu; Subodini N. Wijesinghe; Hong-Wei Shen; Zong-Long Luo; Jing-Yi Zhang; Phongeun Sysouphanthong; Naritsada Thongklang; Dan-Feng Bao; Janith V. S. Aluthmuhandiram; Jafar Abdollahzadeh; Alireza Javadi; Francesco Dovana; Muhammad Usman; Abdul Nasir Khalid; Asha J. Dissanayake; Anusha Telagathoti; Maraike Probst; Ursula Peintner; Isaac Garrido-Benavent; Lilla Bóna; Zsolt Merényi; Lajos Boros; Bratek Zoltán; J. Benjamin Stielow; Ning Jiang; Cheng-Ming Tian; Esmaeil Shams; Farzaneh Dehghanizadeh; Adel Pordel; Mohammad Javan-Nikkhah; Teodor T. Denchev; Cvetomir M. Denchev; Martin Kemler; Dominik Begerow; Chun-Ying Deng; Emma Harrower; Tohir Bozorov; Tutigul Kholmuradova; Yusufjon Gafforov; Aziz Abdurazakov; Jian-Chu Xu; Peter E. Mortimer; Guang-Cong Ren; Rajesh Jeewon; Sajeewa S. N. Maharachchikumbura; Chayanard Phukhamsakda; Ausana Mapook; Kevin D. Hyde
Source:
Fungal diversity 2021 v.111 no.1 pp. 1-335
ISSN:
1560-2745
Subject:
Aliquandostipite; Apiospora; Cercophora; Coprinellus; Cortinarius; Coryneum; Cyathus; Diaporthe; Didymella; Diplodia; Dothiora; Erysiphe; Favolus; Fusarium; Geastrum; Helminthosporium; Hygrocybe; Hyphoderma; Hyphodontia; Laboulbenia; Laccaria; Lactarius; Leotiales; Lophiostoma; Marasmiellus; Marasmius; Microbotryum; Mortierella; Mucor; Nigrospora; Phaeocytostroma; Phanerochaete; Russula; Steccherinum; Torula; Tubeufia; Xylaria; fungi; geographical distribution; new combination; new species; phylogeny
Abstract:
... This article is the 13th contribution in the Fungal Diversity Notes series, wherein 125 taxa from four phyla, ten classes, 31 orders, 69 families, 92 genera and three genera incertae sedis are treated, demonstrating worldwide and geographic distribution. Fungal taxa described and illustrated in the present study include three new genera, 69 new species, one new combination, one reference specimen ...
DOI:
10.1007/s13225-021-00489-3

7. Prevalence of airborne fungal spores in two potato warehouses with different storage conditions

Author:
Laura Meno; Olga Escuredo; Maria Shantal Rodríguez-Flores; Maria Carmen Seijo
Source:
Aerobiologia 2021 v.37 no.2 pp. 309-320
ISSN:
0393-5965
Subject:
Alternaria; Aspergillus; Cladosporium; Fusarium; Helminthosporium; Leptosphaeria; Penicillium; Phytophthora; farmers; fungi; income; potatoes; relative humidity; temperature; Spain
Abstract:
... Potatoes production is the main source of income in A Limia (Northwest Spain). Most of the potatoes harvest is stored in piles in farmer´s warehouses without systems to control temperature and relative humidity and only a few industries have storage facilities with cooling systems. This study constitutes an approach to detecting fungal spores present inside potato warehouses and the influence of t ...
DOI:
10.1007/s10453-021-09691-x

8. Biodeterioration of archaeological monuments of Taxila, Pakistan : This article belongs to the special issue “Aerobiology for the Preservation of Human and Environmental Health” published in the Volume 36, Issue 1, March 2020

Author:
Muhammad Farooq; Syeda Durre Maknoon
Source:
Aerobiologia 2020 v.36 no.3 pp. 375-385
ISSN:
0393-5965
Subject:
Alternaria alternata; Aspergillus niger; Cladosporium herbarum; Curvularia; Fusarium oxysporum; Helminthosporium; Mucor; Penicillium chrysogenum; X-ray diffraction; acetic acid; aerobiology; archaeology; biodegradation; biofilm; calcite; calcium oxalate; chemical composition; citric acid; comparative study; environmental health; fumaric acid; fungi; gluconic acid; gypsum; humans; mycobiota; oxalic acid; seasonal variation; transportation; Pakistan
Abstract:
... The present research was conducted to assess the role of aeromycoflora around world heritage sites of Taxila and its relation with biodeterioration of stone monuments. The aerial mycoflora of six archaeological sites was recorded for one year to monitor the seasonal variations and transportation of fungal spores. Thirty-two fungal species belonging to twenty genera were isolated throughout the who ...
DOI:
10.1007/s10453-020-09639-7

9. Biological Rationale for the Protein Growth Stimulant Application to Increase Wheat Yield and Assessment of Grain Quality Using Microfocus X-ray and Optical Imaging Techniques

Author:
L. E. Kolesnikov; M. I. Kremenevskaya; N. S. Priyatkin; M. V. Arkhipov; M. V. Kiselev; Yu. R. Kolesnikova; I. E. Razumova
Source:
Russian agricultural sciences 2020 v.46 no.4 pp. 347-353
ISSN:
1068-3674
Subject:
Helminthosporium; Triticum; foliar spraying; grain quality; grain yield; image analysis; leaf blotch; leaf rust; leaves; pathogenesis; plant growth; powdery mildew; radiography; root rot; spikelets; total nitrogen; wheat
Abstract:
... A new plant growth stimulant was developed according to the technology engineered by the scientists of ITMO and SPBGAU Universities. The biological effectiveness of the preparation was assessed by measuring 20 wheat productivity parameters and 16 parameters of various types of pathogenesis formed during the progress of root rot caused by Helminthosporium, different types of rust, powdery mildew, a ...
DOI:
10.3103/S1068367420040096

10. Effects of PGPR microbial inoculants on the growth and soil properties of Avena sativa, Medicago sativa, and Cucumis sativus seedlings

Author:
Haiyun Li; Yizhi Qiu; Tuo Yao; Yachun Ma; Huirong Zhang; Xiaolei Yang
Source:
Soil & tillage research 2020 v.199 pp. 104577
ISSN:
0167-1987
Subject:
Acinetobacter calcoaceticus; Alternaria solani; Avena sativa; Bipolaris sorokiniana; Cucumis sativus; Fusarium oxysporum; Helminthosporium; Medicago sativa; Providencia rettgeri; Serratia plymuthica; alfalfa; alkaline phosphatase; beta-fructofuranosidase; biofertilizers; biological control; catalase; chlorophyll; crop yield; cucumbers; enzyme activity; indole acetic acid; nitrogen; nutrient content; oats; organic carbon; peroxidase; phosphates; phosphorus; plant growth; plant growth-promoting rhizobacteria; plant height; potassium; rhizosphere; seedlings; soil enzymes; soil properties; superoxide dismutase; surface area; urease
Abstract:
... Plant growth promoting rhizobacteria (PGPR) are an important bacterial resource for microbial fertilizers, which can promote plant growth and increase crop yields. In this study, multifunctional PGPR microbial inoculants with the ability to fix nitrogen, solubilize phosphate, secrete indole-3-acetic acid (IAA) and exhibit biological control were generated. These PGPR microbial inoculants contained ...
DOI:
10.1016/j.still.2020.104577

11. First Report of Acorus calamus Leaf Spot Caused by Curvularia pseudobrachyspora in India

Author:
A. K. Srivastava; A. Saroj; I. Nishad; A. Samad
Source:
Plant disease 2019 v.103 no.4 pp. 767
ISSN:
0191-2917
Subject:
Acorus calamus; Curvularia; DNA; Helminthosporium; Microsorum; anthelmintics; color; conidia; conidiophores; crop yield; culture media; diagnostic techniques; disease incidence; essential oil crops; essential oils; field experimentation; fungi; genes; genetic relationships; glyceraldehyde-3-phosphate dehydrogenase; greenhouses; growth chambers; internal transcribed spacers; larvicides; leaf spot; leaves; monitoring; mycelium; parasympatholytics; pathogenicity; phylogeny; relative humidity; sequence analysis; sodium hypochlorite; spraying; East Asia; Europe; India; North America
Abstract:
... Acorus calamus (sweet flag), family Acoraceae, is a perennial herb distributed in India, Europe, East Asia, and North America. It is cultivated globally for β-asarone-rich essential oil that has carminative, antispasmodic, insecticidal, larvicidal, and antihelminthic properties (Devi and Ganjewala 2009). In July 2016, brown spots 2 to 3 mm in diameter were observed on both sides of leaves in exper ...
DOI:
10.1094/PDIS-08-18-1399-PDN

12. First Report of Leaf Spot Disease Caused by Colletotrichum siamense on Chrysalidocarpus lutescens in China

Author:
T. Chou; W. Xu; I. Mukhtar; X. Quan; S. Jiang; R. Huang; B. Chen; B. Xie
Source:
Plant disease 2019 v.103 no.6 pp. 1425
ISSN:
0191-2917
Subject:
Areca; Bipolaris setariae; Colletotrichum; DNA; DNA primers; Dypsis lutescens; Exserohilum; Helminthosporium; Phaeotrichoconis; alcohols; appressoria; blight; color; conidia; conidiomata; disease control; fungi; genes; leaf area; leaf spot; leaves; mycelium; ornamental plants; parks; pathogenicity; tropical plants; China
Abstract:
... Chrysalidocarpus lutescens (areca palm) is a tropical ornamental plant grown in parks and houses worldwide. In August 2018, leaf spot symptoms were observed on C. lutescens plants in Fujian Agriculture and Forestry University (26°5′16″N, 119°14′6″E), Fuzhou, China. Approximately, 60% of C. lutescens plants were infected, with initial symptoms characterized as small dark brown to black spots of 1.5 ...
DOI:
10.1094/PDIS-11-18-2049-PDN

13. The Impact of Synthetic Fungicide Application on Abundance of Endophytic Fungi of Rice

Author:
Rika Estria Gurusinga; Lilik Retnowati; Suryo Wiyono; Efi Toding Tondok
Source:
Jurnal Ilmu Pertanian Indonesia 2020 v.25 no.3 pp. 431-439
ISSN:
2443-3462
Subject:
Acremonium; Curvularia; Fusarium; Helminthosporium; Mucor; Nigrospora; Penicillium; adverse effects; difenoconazole; endophytes; fungi; fungicide application; rice; Indonesia
Abstract:
... Application of fungicides to control rice diseases potentially have adverse effect on non target organisms including endophytic fungi. Unfortunately, information of fungicide effect on endophytic fungi on rice is still limited. The purpose of this research was to study the diversity and abundance of endophytic fungi on rice plant because of application of synthetic fungicides. There were two treat ...
DOI:
10.18343/jipi.25.3.432

14. Large-spored Drechslera gigantea is a Bipolaris species causing disease on the invasive grass Microstegium vimineum

Author:
Brett Lane; Kerry Bohl Stricker; Ashish Adhikari; Marina S. Ascunce; Keith Clay; S. Luke Flory; Matthew E. Smith; Erica M. Goss; Philip F. Harmon
Source:
Mycologia 2020 v.112 no.5 pp. 921-931
ISSN:
1557-2536
Subject:
Bipolaris; Drechslera; Elymus virginicus; Microstegium vimineum; fungi; grasses; indigenous species; invasive species; pathogens; phylogeny
Abstract:
... Environmentally damaging invasive plants can also serve as reservoir hosts for agricultural pathogens. Microstegium vimineum is an invasive C4 annual grass that is present throughout the midwestern and eastern United States. It can reach high densities in disturbed areas such as crop-forest interfaces, which creates the potential for pathogen spillover from M. vimineum to agricultural crops and na ...
DOI:
10.1080/00275514.2020.1781495

15. Surveying for Potential Diseases and Abiotic Disorders of Industrial Hemp (Cannabis sativa) Production

Author:
Lindsey D. Thiessen; Tyler Schappe; Sarah Cochran; Kristin Hicks; Angela R. Post
Source:
Plant health progress 2020 v.21 no.4 pp. 321-332
ISSN:
1535-1025
Subject:
Botrytis cinerea; Cannabis sativa; Exserohilum; Fusarium graminearum; Fusarium oxysporum; Fusarium wilt; Helminthosporium; Pythium; agricultural extension; agriculture; clones; consultants; extension agents; flowers; greenhouses; growers; hemp; insects; leaf spot; public services and goods; rain; researchers; roots; sampling; surveys; taxonomy; North Carolina
Abstract:
... Industrial hemp (Cannabis sativa L.) has recently been reintroduced as an agricultural commodity in the United States, and, through state-led pilot programs, growers and researchers have been investigating production strategies. Diseases and disorders of industrial hemp in the United States are largely unknowns because record-keeping and taxonomy have improved dramatically in the last several deca ...
DOI:
10.1094/PHP-03-20-0017-RS

16. CO468, CO469, CO470, CO471, CO472, and CO473 corn inbred lines with improved northern corn leaf blight resistance

Author:
L.M. Reid; X. Zhu; K.K. Jindal; T. Woldemariam; J. Wu; C. Voloaca
Source:
Canadian journal of plant science 2019 v.99 no.6 pp. 972-984
ISSN:
1918-1833
Subject:
Exserohilum; Helminthosporium; Zea mays; bacterial wilt; corn; grey leaf spot disease; hybrids; inbreeding; leaf blight; testcrosses; Canada
Abstract:
... CO468, CO469, CO470, CO471, CO472 and CO473 are the first corn (Zea mays L.) inbred lines released from the northern corn leaf blight [Exserohilum turcicum (Pass.) K.J. Leonard & E.G. Suggs; syn. = Helminthosporium turcicum Pass.] resistance breeding program of Agriculture and Agri-Food Canada. All six inbreds possess intermediate to very high levels of resistance, which is expressed in hybrids wh ...
DOI:
10.1139/cjps-2018-0298

17. Coix lacryma-jobi chymotrypsin inhibitor displays antifungal activity

Author:
Jing-jun Ruan; Wen-feng Weng; Jun Yan; Yue-xia Zhou; Hui Chen; Ming-jian Ren; Jian-ping Cheng
Source:
Pesticide biochemistry and physiology 2019 v.160 pp. 49-57
ISSN:
0048-3575
Subject:
Alternaria solani; Coix lacryma-jobi; Glomerella cingulata; Helminthosporium; Mycosphaerella; Phaeoisariopsis griseola; Phytophthora capsici; affinity chromatography; antifungal properties; cattle; chymotrypsin; elastase; enzyme inhibition; mycelium; pH stability; plant pathogenic fungi; potatoes; proteinase inhibitors; seed storage; spore germination; subtilisin; swine; trypsin; ultrafiltration
Abstract:
... A novel chymotrypsin inhibitor, named ClCI, was purified from coix seed (Coix lacryma-jobi L.) by aqueous two-phase extraction, chymotrypsin–Sepharose 4B affinity chromatography and centrifugal ultrafiltration. ClCI was a 7.9 kDa competitive inhibitor with pI 6.54. The inhibition constants (Ki) for bovine pancreatic chymotrypsin and bacterial subtilisin were 1.27 × 10−10 M and 1.57 × 10−9 M respec ...
DOI:
10.1016/j.pestbp.2019.06.016

18. Cyclohelminthols Y1–Y4 Metabolites Possessing Two Spirocyclopropanes in Their Structure

Author:
Shizuya Tanaka; Kazuaki Tanaka; Hayato Maeda; Masaru Hashimoto
Source:
Journal of organic chemistry 2018 v.83 no.10 pp. 5688-5697
ISSN:
1520-6904
Subject:
Helminthosporium; carbenes; carbon; chemical bonding; chemical reactions; culture media; cytotoxicity; density functional theory; diastereomers; fungi; metabolites; molecular models; nuclear magnetic resonance spectroscopy; organic chemistry; stable isotopes; stereochemistry
Abstract:
... Cyclohelminthols Y1–Y4 (1–4) were isolated from the culture broth of Helminthosporium velutinum yone96. These compounds are diastereomers to each other featuring 3-azabicyclo[3.1.0]hexane-6-spirocyclopentane linked with a cyclopentanespirocyclopropane framework. Their planar structures were established via the comparison of their spectra with the simpler analogue cyclohelminthol X as well as analy ...
DOI:
10.1021/acs.joc.8b00727

19. Corynespora, Exosporium and Helminthosporium revisited – New species and generic reclassification

Author:
H. Voglmayr; W.M. Jaklitsch
Source:
Studies in mycology 2017 v.87 pp. 43-76
ISSN:
0166-0616
Subject:
Amphisphaeria; Corynespora; Coryneum; Diaporthe; Fagus sylvatica; Helminthosporium; Massaria; Splanchnonema; conidiomata; exine; morphs; new species; nucleotide sequences; polyphyly; ribosomal DNA; scientific illustration; taxon descriptions; taxonomic revisions; type collections
Abstract:
... Molecular phylogenetic analyses of a multigene matrix of partial nuSSU-ITS-LSU rDNA, rpb2 and tef1 sequences were performed to investigate the phylogenetic relationships of Corynespora, Exosporium and Helminthosporium species. Based on phylogenetic analyses and morphology, the genus Exosporium is synonymised with Helminthosporium, and the genus Corynespora is revealed as polyphyletic. Corynespora ...
DOI:
10.1016/j.simyco.2017.05.001
PubMed:
28649153
PubMed Central:
PMC5473648

20. Detection of Tilletia caries, Tilletia laevis and Tilletia controversa wheat grain contamination using loop-mediated isothermal DNA amplification (LAMP)

Author:
Katarzyna Pieczul; Agnieszka Perek; Krzysztof Kubiak
Source:
Journal of microbiological methods 2018 v.154 pp. 141-146
ISSN:
0167-7012
Subject:
Alternaria; Cladosporium; DNA; Fusarium; Helminthosporium; Penicillium; Tilletia controversa; Tilletia laevis; Tilletia tritici; detection limit; fungi; protocols; rapid methods; smut diseases; teliospores; wheat
Abstract:
... The study describes a novel diagnostic protocol based on a loop-mediated isothermal DNA amplification (LAMP) for identification of wheat grains infection by Tilletia laevis, Tilletia caries (common bunt) and Tilletia controversa (draft bunt). The presented data showed that the LAMP analysis is a simple, specific and rapid method that could be used for detection of Tilletia spp. in contaminated gra ...
DOI:
10.1016/j.mimet.2018.10.018

21. Field evaluation of bt and non bt cotton hybrids to foliar diseases

Author:
S.L. Bhattiprolu; N.V.V.S. Durga Prasad; V. Chenga Reddy; G.R. Bhattiprolu
Source:
Progressive agriculture 2017 v.17 no.1 pp. 5-9
ISSN:
0976-4615
Subject:
Cercospora; Helminthosporium; Myrothecium; agricultural research; agriculture; blight; cotton; disease resistance; fungi; leaf spot; plant protection
Abstract:
... Identification of resistant sources is a prerequisite for management of diseases through the use of resistant varieties/hybrids that constitutes an important strategy of integrated plant protection. Ninety two Bt and five Non Bt cotton hybrids were evaluated at Regional Agricultural Research Station, Guntur using infector row technique under unprotected conditions. Reaction of these hybrids to bac ...
DOI:
10.5958/0976-4615.2017.00029.1

22. Molecular taxonomy of five species of microfungi on Alnus spp. from Italy

Author:
Qing Tian; Wen Jing Li; Kevin D. Hyde; Erio Camporesi; Darbhe J. Bhat; Putarak Chomnunti; Jian Chu Xu
Source:
Mycological progress 2018 v.17 no.1-2 pp. 255-274
ISSN:
1617-416X
Subject:
Alnus; Cryptosporella; Helminthosporium; forest trees; fungi; molecular systematics; phylogeny; Italy
Abstract:
... Five new fungal taxa found on Alnus, a valuable timber tree widely distributed in Europe, are described using morphology and multigene phylogenetic analyses. The new Dothideomycetes, Helminthosporium italicum, Dothiorella guttulata, and Prosthemium alni, and Sordariomycetes, Ditopella aseptatospora and Cryptosporella alni-cordatae, are compared with similar taxa and the differences are discussed. ...
DOI:
10.1007/s11557-017-1336-7

23. Summer airborne mycoflora of Timişoara (Romania) and relationship to meteorological parameters

Author:
Nicoleta Ianovici
Source:
Grana 2017 v.56 no.6 pp. 424-435
ISSN:
1651-2049
Subject:
Alternaria; Cladosporium; Fusarium; Helminthosporium; Leptosphaeria; air; airborne microorganisms; atmospheric pressure; fungal spores; fungi; rain; relative humidity; soil temperature; solar radiation; statistical analysis; summer; warm season; Romania
Abstract:
... The present aeromycological investigation was undertaken to study atmospheric fungal spores in Timişoara (western Romania). This study was carried out using a Hirst type volumetric sampler. The study revealed the existence of a rich airborne mycoflora. The atmospheric fungal spores were classified and evaluated into three groups (‘major’, ‘minor’ and ‘sporadic’) depending upon their catch percenta ...
DOI:
10.1080/00173134.2016.1271823

24. Airborne pollen and fungal spores in Garki, Abuja (North-Central Nigeria)

Author:
Dimphna Nneka Ezike; Catherine V. Nnamani; Oluwatoyin T. Ogundipe; Olushola H. Adekanmbi
Source:
Aerobiologia 2016 v.32 no.4 pp. 697-707
ISSN:
0393-5965
Subject:
Alternaria; Bacillariophyceae; Blumeria graminis; Cladosporium; Curvularia; Fusarium; Helminthosporium; Nigrospora; Pithomyces; Puccinia; Torula; algae; ferns and fern allies; fungal spores; fungi; human health; meteorological parameters; pollen; skin diseases; spore traps; surveys; wet season; Nigeria
Abstract:
... The ambient atmosphere is dominated with pollen and spores, which trigger allergic reactions and diseases and impact negatively on human health. A survey of pollen and fungal spores constituents of the atmosphere of Garki, Abuja (North-Central Nigeria) was carried out for 1 year (June 1, 2011–May 31, 2012). The aim of the study was to determine the prevalence and abundance of pollen and fungal spo ...
DOI:
10.1007/s10453-016-9443-5
PubMed:
27890967
PubMed Central:
PMC5106507

25. Breeding of naked oats having high-quality grain

Author:
G. A. Batalova; S. N. Shevchenko; M. V. Tulyakova; I. I. Rusakova; V. A. Zheleznikova; E. M. Lisitsyn
Source:
Russian agricultural sciences 2016 v.42 no.6 pp. 407-410
ISSN:
1068-3674
Subject:
Avena nuda; Helminthosporium; breeding; crown rust; disease resistance; fruit flies; grain quality; grain yield; grains; inflorescences; leaf blotch; lipid content; new variety; pest resistance; protein content; seeds; starch
Abstract:
... Ecologically plastic naked oat Bekas, which combines high productivity (up to 5.63 t/ha) and grain quality (protein content up to 19.7%; fat content up to 6.7%; starch content up to 54.61%; test weight up to 712 g/L; kernel yield 95–98%; grain yield from sheaf up to 42.3%), was created using selective sampling under different natural conditions: the Northeast Agricultural Research Institute and Fa ...
DOI:
10.3103/S1068367416060045

26. Cyclohelminthol X, a Hexa-Substituted Spirocyclopropane from Helminthosporium velutinum yone96: Structural Elucidation, Electronic Circular Dichroism Analysis, and Biological Properties

Author:
Tanaka Shizuya; Honmura Yuna; Uesugi Shota; Fukushi Eri; Tanaka Kazuaki; Maeda Hayato; Kimura Ken-ichi; Nehira Tatsuo; Hashimoto Masaru
Source:
Journal of organic chemistry 2017 v.82 no.11 pp. 5574-5582
ISSN:
1520-6904
Subject:
Helminthosporium; carbon; chemical structure; circular dichroism spectroscopy; cytotoxicity; marine fungi; neoplasms; nuclear magnetic resonance spectroscopy; organic chemistry; organic compounds; oxidation; proteasome endopeptidase complex; spectral analysis
Abstract:
... Helminthosporium velutinum yone96 produces cyclohelminthol X (1), a unique hexa-substituted spirocyclopropane. Although its molecular formula and NMR spectral data resemble those of AD0157, being isolated from marine fungus Paraconiothyrium sp. HL-78-gCHSP3-B005, our detailed analyses disclosed a totally different structure. Chemical shift calculations and electronic circular dichroism spectral ca ...
DOI:
10.1021/acs.joc.7b00393

27. First volumetric record of fungal spores in the atmosphere of Montevideo City, Uruguay: a 2-year survey

Author:
Ximena Martínez Blanco; Leticia Tejera; Ángeles Beri
Source:
Aerobiologia 2016 v.32 no.2 pp. 317-333
ISSN:
0393-5965
Subject:
Alternaria; Cladosporium; Coprinus; Didymella; Helminthosporium; Leptosphaeria; Myxogastrea; Pseudofungi; Pucciniaceae; allergenicity; anamorphs; autumn; correlation; fungal spores; fungi; monitoring; relative humidity; risk; seasonal variation; summer; surveys; temperature; wind speed; Uruguay
Abstract:
... In Uruguay, aeromycological studies are restricted to a gravimetric analysis performed from December 1942 to March 1944 in Montevideo where spores of Pucciniaceae, Alternaria and Helminthosporium were the only specimens identified. Daily monitoring of airborne fungal spores was carried out for the first time in Montevideo, from April 2012 to March 2014, using a Rotorod sampler in order to evaluate ...
DOI:
10.1007/s10453-015-9403-5

28. Homojesterones: vinylogous analogues of jesterone from Helminthosporium velutinum TS28

Author:
Miki Arayama; Shota Uesugi; Kazuaki Tanaka; Hayato Maeda; Tatsuo Nehira; Ken-ichi Kimura; Masaru Hashimoto
Source:
Tetrahedron 2016 v.72 pp. 1031-1035
ISSN:
0040-4020
Subject:
Helminthosporium; chemical reactions; chemical structure; organic compounds; protons
Abstract:
... trans- and cis-Homojesterone (1 and 2, respectively), vinylogous analogs of jesterone, were isolated from Helminthosporium velutinum TS28. The relative configurational relationship between H-6 and H-7 was determined by comparing their 3JH-6/H-7 values with those of jesterones in literature, as well as with structurally related natural products. The relative configurations were confirmed by a remar ...
DOI:
10.1016/j.tet.2015.12.077

29. Isolation, absolute structures, and biological properties of cyclohelminthols I–IV from Helminthosporium velutinum yone96

Author:
Yuna Honmura; Shota Uesugi; Hayato Maeda; Kazuaki Tanaka; Tatsuo Nehira; Ken-ichi Kimura; Masaaki Okazaki; Masaru Hashimoto
Source:
Tetrahedron 2016 v.72 pp. 1400-1405
ISSN:
0040-4020
Subject:
Helminthosporium; chemical structure; chlorine; circular dichroism spectroscopy; cytotoxicity; isotopes; nuclear magnetic resonance spectroscopy; organic compounds; stereoisomerism
Abstract:
... Cyclohelminthols I–V (1–4) were isolated from Helminthosporium velutinum yone96. The positions of the carbons attached to chlorine atoms in 2–4 were determined by signal splitting due to isotopes in high resolution fully proton decoupled 13C NMR spectra. Although these natural products gave poor electron circular dichroism (ECD) spectrum because of the presence of a single chromophore in the molec ...
DOI:
10.1016/j.tet.2016.01.036

30. Risiko Introduksi Gandum ke Timor Tengah Utara: Penyakit Hawar Daun dan Busuk Batang

Author:
Aloysius Rusae; Efi Toding Tondok; Suryo Wiyono
Source:
Jurnal Fitopatologi 2016 v.11 no.5 pp. -
ISSN:
2339-2479
Subject:
Helminthosporium; Rhizoctonia; disease incidence; disease severity; leaf blight; leaves; stem rot; wheat; Timor
Abstract:
...

Wheat has a great potency to be cultivated in Timor Tengah Utara (TTU). However, disease is one of the risks for introduction of wheat. The existence of wheat disease in TTU is unknown because wheat has never been grown in this area. This study aims to determine the potential risks of major diseases that will infect wheat plants when introduced to the TTU. The methods used in this study consist ...

DOI:
10.14692/jfi.11.5.166

31. Achaetolide-II isolated from Helminthosporium velutinum TS28

Author:
Miki Arayama; Hayato Maeda; Kazuaki Tanaka; Noboru Takada; Tatsuo Nehira; Masaru Hashimoto
Source:
Tetrahedron 2015 v.71 pp. 7900-7905
ISSN:
0040-4020
Subject:
Helminthosporium; chemical reactions; molecular conformation; nuclear magnetic resonance spectroscopy; organic compounds; plant pathogenic fungi
Abstract:
... A C3-O-acylated analogue of achaetolide (2) was isolated from phytopathogenic fungus Helminthosporium velutinum TS28. The relative configuration involving the C3-O-acyl side chain was determined by NMR spectroscopic analysis combined with conformational analysis computer-assisted chemical shift calculations. The absolute configuration was established through ECD analysis after conversion into the ...
DOI:
10.1016/j.tet.2015.08.013

32. Alternaria bryophylli comb. nov. associated with leaf scab of Kalanchoe pinnata (Crassulaceae)

Author:
Roland Kirschner
Source:
Tropical plant pathology 2016 v.41 no.1 pp. 9-14
ISSN:
1983-2052
Subject:
exine; Kalanchoe pinnata; conidiophores; Alternaria; hyphae; new combination; Helminthosporium; stomata; fungi
Abstract:
... Exosporium bryophylli is recognized as a later heterotypic synonym of Helminthosporium bryophylli. The fungus is hitherto known only from leaf scab symptoms of Kalanchoe pinnata which are formed by the subcuticular growth of the hyphae. The conidiophores penetrate through ruptures of the cuticle as well as through stomata. The few but distant geographic records indicate a wide distribution where t ...
DOI:
10.1007/s40858-015-0061-5

33. Control of Helminthosporium leaf blight of spring wheat using seed treatments and single foliar spray in Indo-Gangetic Plains of Nepal

Author:
D. Sharma-Poudyal; R.C. Sharma; E. Duveiller
Source:
Crop protection 2016 v.88 pp. 161-166
ISSN:
0261-2194
Subject:
Bipolaris sorokiniana; Helminthosporium; Pyrenophora tritici-repentis; carbendazim; carboxin; field experimentation; flowering; foliar spraying; grain yield; leaf blight; propiconazole; root rot; seed germination; seed treatment; seedlings; spring wheat; tebuconazole; thiram; tillers; triadimenol; Nepal
Abstract:
... Four fungicides for seed treatments and one as foliar spray were tested in replicated field experiments in a strip plot design to determine the effect of fungicides on Helminthosporium leaf blight (caused by Cochliobolus sativus and Pyrenophora tritici-repentis) severity and grain yield of wheat. Wheat seed cv. RR 21 was treated with fungicides, carbendazim (Areestin), triadimenol (Baytan), tebuco ...
DOI:
10.1016/j.cropro.2016.06.017

34. Genetic diversity among synthetic hexaploid wheat accessions (Triticum aestivum) with resistance to several fungal diseases

Author:
Modan K. Das; Guihua Bai; Abdul Mujeeb-Kazi; Sanjaya Rajaram
Source:
Genetic resources and crop evolution 2015 v.63 no. pp. 1285-1296
ISSN:
1573-5109
Subject:
Aegilops tauschii; Fusarium head blight; Helminthosporium; Septoria; Triticum aestivum; alleles; amplified fragment length polymorphism; biotic stress; cluster analysis; corn; crossing; disease resistance; fungi; gene frequency; genetic resistance; genetic variation; hexaploidy; leaf rust; loci; microsatellite repeats; plant-incorporated protectants; synthetic products; transgenic plants; wheat; Mexico
Abstract:
... Synthetic hexaploid wheat (SHW) is known to be an excellent vehicle for transferring large genetic variations especially the many useful traits present in the D genome of Aegilops tauschii Coss (2n=2x=14, DD) for improvement of cultivated wheat (Triticum aestivum L., 2n=6x=42, AABBDD). The objectives of the present study were to (i) evaluate genetic diversity among 32 selected SHW with resistance ...
Handle:
10113/5451332
DOI:
10.1007/s10722-015-0312-9

35. Isolation, ECD assisted structural analyses, biosynthetic discussions, and biological activities of epi-cochlioquinones D and its derivatives

Author:
Miki Arayama; Tatsuo Nehira; Hayato Maeda; Kazuaki Tanaka; Hisashi Miyagawa; Tamio Ueno; Seijiro Hosokawa; Masaru Hashimoto
Source:
Tetrahedron 2015 v.71 pp. 4788-4794
ISSN:
0040-4020
Subject:
Bipolaris oryzae; Helminthosporium; adenocarcinoma; biochemical pathways; chemical structure; colon; cytotoxicity; humans; nuclear magnetic resonance spectroscopy; organic compounds; screening; stereoisomerism
Abstract:
... epi-Cochlioquinone D (1) and its 12-α-hydroxyderivative (2) were isolated from Helminthosporium velutinum TS28 based on antifungal screening against Cochliobolus miyabeanus. Relative configurations were established by the NMR analyses except for C5 locating far from the other asymmetric centers. ECD discussions involving spectral comparison with those of other related molecules as well as those ba ...
DOI:
10.1016/j.tet.2015.05.044

36. MAP kinase gene STK1 is required for hyphal, conidial, and appressorial development, toxin biosynthesis, pathogenicity, and hypertonic stress response in the plant pathogenic fungus Setosphaeria turcica

Author:
Po LI; Xiao-dong GONG; Hui JIA; Yong-shan FAN; Yun-feng ZHANG; Zhi-yan CAO; Zhi-min HAO; Jian-min HAN; Shou-qin GU; Jin-gao DONG
Source:
Journal of integrative agriculture 2016 v.15 no.12 pp. 2786-2794
ISSN:
2095-3119
Subject:
Helminthosporium; Saccharomyces cerevisiae; Setosphaeria turcica; appressoria; biosynthesis; conidia; conidiation; corn; eukaryotic cells; gene targeting; genes; glycerol; hydrophobicity; hyphae; knockout mutants; leaf blight; leaves; mitogen-activated protein kinase; mycelium; osmolality; osmotic stress; plant pathogenic fungi; plant response; signal transduction; stress response; virulence
Abstract:
... The mitogen-activated protein kinase (MAPK), a key signal transduction component in the MAPK cascade pathway, regulates a variety of physiological activities in eukaryotes. However, little is known of the role MAPK plays in phytopathogenic fungi. In this research, we cloned the MAPK gene STK1 from the northern corn leaf blight pathogen Setosphaeria turcica and found that the gene shared high homol ...
DOI:
10.1016/S2095-3119(16)61472-7

37. Functional characterization of the N-terminal and C-terminal domains of a sesame group II phytocystatin

Author:
Mei-Ling Cheng; Jason T C Tzen; Douglas J H Shyu; Wing-Ming Chou
Source:
Botanical studies 2014 v.55 no.1 pp. 18
ISSN:
1999-3110
Subject:
Aspergillus; Escherichia coli; Helminthosporium; Sesamum; Trichoderma reesei; antifungal properties; complementary DNA; gene duplication; papain; protein composition; proteins; proteolysis; seeds; sequence analysis; sesame seed; spore germination
Abstract:
... BACKGROUND: Phytocystatins are natural inhibitors of cysteine protease, and may regulate endo- or exo-genous proteolytic activities in plants. They are classified into Group I and II differing by the presence of C-terminal extension of Group II. A cDNA fragment encoding a Group II phytosystatin, SiCYS was previously obtained from sesame seeds. RESULTS: SiCYS as well as its two structural domains, ...
DOI:
10.1186/1999-3110-55-18
PubMed:
28510930
PubMed Central:
PMC5432954

38. Revision of the Massarineae (Pleosporales, Dothideomycetes)

Author:
K. Tanaka; K. Hirayama; H. Yonezawa; G. Sato; A. Toriyabe; H. Kudo; A. Hashimoto; M. Matsumura; Y. Harada; Y. Kurihara; T. Shirouzu; T. Hosoya
Source:
Studies in mycology 2015 v.82 pp. 75-136
ISSN:
0166-0616
Subject:
DNA barcoding; Didymosphaeriaceae; Massarinaceae; Periconia; asci; ascomata; ascospores; conidia; genes; internal transcribed spacers; monophyly; new combination; new genus; new species; scientific illustration; taxon descriptions; translation (genetics)
Abstract:
... We here taxonomically revise the suborder Massarineae (Pleosporales, Dothideomycetes, Ascomycota). Sequences of SSU and LSU nrDNA and the translation elongation factor 1-alpha gene (tef1) are newly obtained from 106 Massarineae taxa that are phylogenetically analysed along with published sequences of 131 taxa in this suborder retrieved from GenBank. We recognise 12 families and five unknown lineag ...
DOI:
10.1016/j.simyco.2015.10.002
PubMed:
26955201
PubMed Central:
PMC4774272

39. Screening of Azotobacter isolates for PGP properties and antifungal activity

Author:
Dragana Đ. Bjelić; Jelena B. Marinković; Branislava B. Tintor; Sonja Lj. Tančić; Aleksandra M. Nastasić; Nastasija B. Mrkovački
Source:
Zbornik Matice srpske za prirodne nauke 2015 v.2015 no.129 pp. 65-72
ISSN:
2406-0828
Subject:
Azotobacter; Fusarium; Helminthosporium; Macrophomina; antibiotic resistance; antifungal properties; corn; exopolysaccharides; growth retardation; hydrogen cyanide; indole acetic acid; pH; phosphates; plant growth; siderophores; solubilization; tryptophan
Abstract:
... Аmong 50 bacterial isolates obtained from maize rhizospherе, 13 isolates belonged to the genus Azotobacter. Isolates were biochemically characterized and estimated for pH and halo tolerance ability and antibiotic resistance. According to characterization, the six representative isolates were selected and further screened in vitro for plant growth promoting properties: production of indole-3-acetic ...
DOI:
10.2298/ZMSPN1529065B

40. The occcurrence in Poland of Helminthosporium pedicellatum Henry, the imperfect stage of Trichometrasphaeria pedicellata Nelson

Author:
Maria Dorenda
Source:
Acta mycologica 2014 v.12 no.1 pp. 123-126
ISSN:
2353-074X
Subject:
Helminthosporium; fungi; roots; summer; wheat; Poland
Abstract:
... In the summer of 1967 colonies of a fungus from the genus Helminthosporium whose microscopic characters corresponded to the description of Helminthosporium pedicellatum Henry were isolated from the youngest wheat roots. There has so far been no mention of this species in Polish mycological literature. ...
DOI:
10.5586/am.1976.005

41. Antifungal activity of prenylated flavonoids isolated from Tephrosia apollinea L. against four phytopathogenic fungi

Author:
Mohamed I. Ammar; Gomah E. Nenaah; Abul Hamed H. Mohamed
Source:
Crop protection 2013 v.49 pp. 21-25
ISSN:
0261-2194
Subject:
Alternaria alternata; Colletotrichum acutatum; Helminthosporium; Pestalotiopsis; Tephrosia; agar; antifungal properties; bioassays; flavonoids; fungicides; growth retardation; microbial growth; nuclear magnetic resonance spectroscopy; plant pathogenic fungi; Egypt
Abstract:
... Four prenylated flavonoids, isoglabratephrin, (+)-glabratephrin, tephroapollin-F and lanceolatin-A were isolated from Tephrosia apollinea L. growing in Egypt. The structures of compounds have been elucidated using physical and spectroscopic methods including (UV, IR, 1H NMR, 13C NMR, DEPT, 2D 1H–1H COSY, HSQC, HMBC and NOESY). The isolated flavonoids showed considerable antifungal activity against ...
DOI:
10.1016/j.cropro.2013.02.012

42. Effect of garlic extract on seed germination, seedling health, and vigour of pathogen-infested wheat

Author:
Analía Perelló; Martin Gruhlke; Alan J. Slusarenko
Source:
Journal of plant protection research 2013 v.53 no.4 pp. 317-323
ISSN:
1899-007X
Subject:
Bipolaris sorokiniana; Helminthosporium; allicin; antifungal properties; biopesticides; disinfection; field experimentation; fungi; fungicides; garlic; inoculum; juices; microbial contamination; pathogens; risk; seed dressings; seed extracts; seed germination; seedlings; seeds; sowing; vigor; wheat; Argentina
Abstract:
... The effect of garlic extract containing bioactive allicin on the germination and subsequent seedling vigour of pathogeninfested wheat seeds, was tested. The first aim was to characterize the antifungal activities of garlic extract and pure allicin, on the most frequently occurring wheat pathogens of the Helminthosporium genus (sensu lato) in Argentina. The second aim was to characterize the antifu ...
DOI:
10.2478/jppr-2013-0048

43. Endophytic fungi associated with Ziziphus species from mountainous area of Oman and new records

Author:
SAIFELDIN A.F. EL-NAGERABI; ABDULQADIR E. ELSHAFIE; SULEIMAN S. ALKHANJARI
Source:
Biodiversitas 2013 v.14 no.1 pp. 10-16
ISSN:
2085-4722
Subject:
Agonomycetes; Alternaria; Anguillospora; Aspergillus; Cladosporium; Curvularia; DNA fingerprinting; Drechslera; Epicoccum sorghinum; Fusarium; Helminthosporium; Penicillium; Rhizopus stolonifer; Ulocladium; biodiversity; endophytes; mountains; mycelium; mycobiota; seasonal variation; Oman
Abstract:
... El-Nagerabi SAF, Elshafie AE, AlKhanjari SS. 2013. Endophytic fungi associated with Ziziphus species from mountainous area of Oman and new records. Biodiversitas 14: 10-16. Ziziphus species of the family Rhamnaceae grow extensively in arid and semi-arid regions. It is possible that the endophytic fungi associated with this plant might enhance the host resistance to the environmental impacts. The e ...

44. First report of Helminthosporium spiciferum (Bainer) Nicot on mint (Mentha arvensis)

Author:
Deepak Kumar; Vikas Gupta; Vidya Sagar Verma
Source:
Australasian plant disease notes 2013 v.8 no.1 pp. 73-74
ISSN:
1833-928X
Subject:
Helminthosporium; Mentha arvensis; agar; fungi; leaf blight; leaves; mint; oatmeal; pathogenicity; pathogens; India
Abstract:
... Leaf blight of mint (Mentha arvensis) is a new disease caused by Helminthosporium spiciferum on mentha leaves in India. Blight symptoms were observed on mentha leaves in the month of April, 2011. The fungal pathogen causing the disease was isolated on oatmeal agar medium and the pathogenicity was confirmed on leaves of mentha plant and Koch Postulates were established. This is the first report of ...
DOI:
10.1007/s13314-013-0098-6

45. Isolation and characterization of soil Streptomyces species as potential biological control agents against fungal plant pathogens

Author:
Zahaed Evangelista-Martínez
Source:
World journal of microbiology & biotechnology 2014 v.30 no.5 pp. 1639-1647
ISSN:
0959-3993
Subject:
Alternaria; Aspergillus niger; Colletotrichum; Curvularia; Fusarium; Helminthosporium; Phytophthora capsici; Rhizoctonia; Streptomyces; antagonists; biological control; biological control agents; plant pathogenic fungi; soil; soil bacteria; Mexico
Abstract:
... The use of antagonist microorganisms against fungal plant pathogens is an attractive and ecologically alternative to the use of chemical pesticides. Streptomyces are beneficial soil bacteria and potential candidates for biocontrol agents. This study reports the isolation, characterization and antagonist activity of soil streptomycetes from the Los Petenes Biosphere Reserve, a Natural protected are ...
DOI:
10.1007/s11274-013-1568-x
PubMed:
24310522

46. Oxygen Transfer in Solid-State Cultivation Under Controlled Moisture Conditions

Author:
R. G. Bastos; F. L. Motta; M. H. A. Santana
Source:
Applied biochemistry and biotechnology 2014 v.174 no.2 pp. 708-718
ISSN:
0273-2289
Subject:
Drechslera; Helminthosporium; air flow; allergens; biofilm; biomass; bioreactors; fermentation; mass transfer; models; oxygen; water content; wheat bran
Abstract:
... The aim of this work was to study oxygen transfer as a function of the initial moisture content in solid-state cultivation under controlled moisture conditions. The use of controlled moisture conditions prevents drastic changes in the medium during cultivation, allowing the use of a pseudo-steady-state model to estimate the overall oxygen mass transfer coefficient (K L a) in the biofilm around the ...
DOI:
10.1007/s12010-014-1101-1
PubMed:
25086924

47. Viruses of Helminthosporium (Cochlioblus) victoriae

Author:
Said A. Ghabrial; Sarah E. Dunn; Hua Li; Jiatao Xie; Timothy S. Baker
Source:
Advances in Virus Research 2013 v.86 no. pp. 289-325
ISSN:
0065-3527
Subject:
Bipolaris victoriae; Chrysoviridae; DNA; Helminthosporium; Helminthosporium victoriae virus 190S; capsid; gene expression regulation; genes; mixed infection; molecular biology; transfection; virion; viruses
Abstract:
... The enigma of the transmissible disease of Helminthosporium victoriae has almost been resolved. Diseased isolates are doubly infected with two distinct viruses, the victorivirus Helminthosporium victoriae virus 190S and the chrysovirus HvV145S. Mixed infection, however, is not required for disease development. DNA transformation experiments and transfection assays using purified HvV190S virions st ...
DOI:
10.1016/B978-0-12-394315-6.00011-8

48. In vitro propagation and production of cardiotonic glycosides in shoot cultures of Digitalis purpurea L. by elicitation and precursor feeding

Author:
Jitendra Gopichand Patil; Mahendra Laxman Ahire; Kirti Manik Nitnaware; Sayantan Panda; Vijay P. Bhatt; Polavarapu B. Kavi Kishor; Tukaram Dayaram Nikam
Source:
Applied microbiology and biotechnology 2013 v.97 no.6 pp. 2379-2393
ISSN:
0175-7598
Subject:
cardenolides; Aspergillus niger; seedlings; sorbitol; yeast extract; benzyladenine; mannitol; potassium chloride; salicylic acid; Scrophulariaceae; heart; 2,4-D; shoots; plantlets; mothers; explants; naphthaleneacetic acid; leaves; digoxin; kinetin; Alternaria; sodium chloride; biomass production; squalene; indole acetic acid; chitin; Digitalis purpurea; progesterone; cholesterol; cytokinins; digitoxin; Helminthosporium
Abstract:
... Digitalis purpurea L. (Scrophulariaceae; Foxglove) is a source of cardiotonic glycosides such as digitoxin and digoxin which are commercially applied in the treatment to strengthen cardiac diffusion and to regulate heart rhythm. This investigation deals with in vitro propagation and elicited production of cardiotonic glycosides digitoxin and digoxin in shoot cultures of D. purpurea L. In vitro ger ...
DOI:
10.1007/s00253-012-4489-y
PubMed:
23081776

49. Purification and Characterization of an Antifungal Peptide with Potent Antifungal Activity but Devoid of Antiproliferative and HIV Reverse Transcriptase Activities from Legumi Secchi Beans

Author:
Sze Kwan Lam; Tzi Bun Ng
Source:
Applied biochemistry and biotechnology 2013 v.169 no.7 pp. 2165-2174
ISSN:
0273-2289
Subject:
RNA-directed DNA polymerase; ion exchange chromatography; viability; beans; hepatoma; seeds; Fusarium oxysporum; Bipolaris maydis; Thanatephorus cucumeris; Phaseolus vulgaris; Valsa; dissociation; fungi; filtration; peptides; affinity chromatography; Mycosphaerella; breast neoplasms; antifungal properties
Abstract:
... A monomeric 9.4-kDa peptide with antifungal activity was isolated from seeds of Phaseolus vulgaris cv Legumi secchi by using a protocol that involved affinity chromatography on Blue-Sepharose, ion exchange chromatography on Q-Sepharose, and gel filtration on Superdex 75. It was adsorbed on Blue-Sepharose and unadsorbed on Q-Sepharose. Its N-terminal sequence resembled those of other leguminous def ...
DOI:
10.1007/s12010-013-0129-y
PubMed:
23412767

50. Diversity and ecology of tropical African fungal spores from a 25,000-year palaeoenvironmental record in southeastern Kenya

Author:
Bas van Geel; Vanessa Gelorini; Anna Lyaruu; André Aptroot; Stephen Rucina; Rob Marchant; Jaap S. Sinninghe Damsté; Dirk Verschuren
Source:
Review of palaeobotany and palynology 2011 v.164 no.3-4 pp. 174-190
ISSN:
0034-6667
Subject:
Alternaria; Coniochaeta; Curvularia; Epicoccum nigrum; Helminthosporium; Lasiodiplodia theobromae; Sporormiella; drought; ecosystems; fossils; fungal spores; fungi; global warming; habitats; herbivores; humidity; lakes; paleoecology; pollen; population density; rain; sediments; temperature; tropics; vegetation types; Europe; Kenya
Abstract:
... Fossil fungal spores and other non-pollen palynomorphs (NPPs) are powerful environmental proxies in European palaeoecological and archaeological contexts. However, their application on other continents, and particularly in the tropics, is hampered by uncertain equivalence with morphologically similar taxa in Europe, and incomplete knowledge of their ecology in the new local contexts. Here we use f ...
DOI:
10.1016/j.revpalbo.2011.01.002