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You searched for: Subject "Parastagonospora nodorum" Remove constraint Subject: "Parastagonospora nodorum"
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1. Cytotoxic constituents from the wheat plant pathogen Parastagonospora nodorum SN15

Author:
Amr El-Demerdash; Chloé Borde; Gregory Genta-Jouve; Alexandre Escargueil; Soizic Prado
Source:
Natural product research 2022 v.36 no.5 pp. 1273-1281
ISSN:
1478-6427
Subject:
Parastagonospora nodorum,   etc   ; cytotoxicity; fibroblasts; fungi; humans; metabolites; plant pathogens; research programs; wheat;     Show all 9 Subjects
Abstract:
... Microbial natural products are continuing to be a promising platform for future drug lead discover. As a part of our ongoing research program on fungal natural product, herein we report metabolites isolated from the fungus Parastagonospora nodorum SN15 a pathogen of wheat and related cereals. Its chemical investigation led to the purification of new isoleucinic acid derivatives (1–2) along with th ...
DOI:
10.1080/14786419.2021.1877702

2. Comparative analysis of methods of assessing spring soft wheat for resistance to Parastagonospora nodorum and search for sources of a trait for breeding

Author:
A. V. Kharina; T. K. Sheshegova
Source:
Agrarnaâ nauka Evro-Severo-Vostoka 2022 v.23 no.2 pp. 230-238
ISSN:
2500-1396
Subject:
Parastagonospora nodorum,   etc   ; Russia; Septoria; adults; biomass; gene pool; juveniles; leaf blotch; ontogeny; pathogens; spring; spring wheat; China;     Show all 13 Subjects
Abstract:
... In the conditions of Kirov region (2017-2021), 67 varieties of spring soft wheat were studied according to the degree of resistance to Septoria leaf blotch in the field against the background of the natural development of infection. Under laboratory conditions, the reaction of these wheat varieties to the pathogen was evaluated at the beginning of plant ontogenesis (juvenile resistance) in two exp ...
DOI:
10.30766/2072-9081.2022.23.2.230-238

3. The necrotrophic effector ToxA from Parastagonospora nodorum interacts with wheat NHL proteins to facilitate Tsn1‐mediated necrosis

Author:
Bayantes Dagvadorj; Megan A. Outram; Simon J. Williams; Peter S. Solomon
Source:
plant journal 2022 v.110 no.2 pp. 407-418
ISSN:
0960-7412
Subject:
Parastagonospora nodorum,   etc   ; cell death; confocal microscopy; cultivars; cytoplasm; heterologous gene expression; mutagenesis; mutants; necrosis; plant pathogens; precipitin tests; two hybrid system techniques; wheat;     Show all 13 Subjects
Abstract:
... The plant pathogen Parastagonospora nodorum secretes necrotrophic effectors to promote disease. These effectors induce cell death on wheat cultivars carrying dominant susceptibility genes in an inverse gene‐for‐gene manner. However, the molecular mechanisms underpinning these interactions and resulting cell death remain unclear. Here, we used a yeast two‐hybrid library approach to identify wheat p ...
DOI:
10.1111/tpj.15677

4. Bioinformatics based discovery of new keratinases in protease family M36

Author:
Jingwen Qiu; Kristian Barrett; Casper Wilkens; Anne S. Meyer
Source:
New biotechnology 2022 v.68 pp. 19-27
ISSN:
1871-6784
Subject:
Parastagonospora nodorum,   etc   ; Aspergillus clavatus; Fusarium eumartii; Fusarium oxysporum; Komagataella pastoris; Microsporum canis; Onygena; Pseudogymnoascus pannorum; bioinformatics; biomass; biotechnology; databases; fungi; keratin; peptides; proteinases; thermal stability;     Show all 17 Subjects
Abstract:
... Keratinases are proteases that can catalyze the degradation of insoluble keratinous biomass. Keratinases in protease family M36 (MEROPS database) are endo-acting proteases. In total, 687 proteases are classified in family M36. In the present study, new keratinolytic enzymes were identified in protease family M36 using the bioinformatics tool Conserved Unique Peptide Patterns (CUPP). Via CUPP, M36 ...
DOI:
10.1016/j.nbt.2022.01.004

5. Distribution of G143A Mutations Conferring Fungicide Resistance in Virginia Populations of Parastagonospora nodorum Infecting Wheat

Author:
Navjot Kaur; Hillary L. Mehl
Source:
Plant health progress 2022 v.23 no.1 pp. 28-32
ISSN:
1535-1025
Subject:
Parastagonospora nodorum,   etc   ; cultural control; cytochrome b; disease control; fungicide resistance; genes; high-throughput nucleotide sequencing; leaf spot; pathogens; quinones; site-directed mutagenesis; surveys; wheat; Virginia;     Show all 14 Subjects
Abstract:
... Stagonospora nodorum blotch (SNB) caused by Parastagonospora nodorum is an important leaf spot disease in the mid-Atlantic United States. Disease management approaches include use of resistant varieties, cultural control, and foliar fungicides. Frequent use of foliar fungicides can select for fungicide resistance within pathogen populations. Recently, the first report of quinone outside inhibitor ...
DOI:
10.1094/PHP-05-21-0082-RS

6. The Parastagonospora nodorum necrotrophic effector SnTox5 targets the wheat gene Snn5 and facilitates entry into the leaf mesophyll

Author:
Gayan K. Kariyawasam; Jonathan K. Richards; Nathan A. Wyatt; Katherine L. D. Running; Steven S. Xu; Zhaohui Liu; Pawel Borowicz; Justin D. Faris; Timothy L. Friesen
Source:
The new phytologist 2022 v.233 no.1 pp. 409-426
ISSN:
0028-646X
Subject:
Parastagonospora nodorum,   etc   ; confocal microscopy; fungi; gain-of-function mutation; gene targeting; genes; genome-wide association study; haplotypes; leaves; mesophyll; mutants; pathogenesis; pathogens; programmed cell death; quantitative polymerase chain reaction; quantitative trait loci; wheat;     Show all 17 Subjects
Abstract:
... Parastagonospora nodorum is an economically important necrotrophic fungal pathogen of wheat. Parastagonospora nodorum secretes necrotrophic effectors that target wheat susceptibility genes to induce programmed cell death (PCD). In this study, we cloned and functionally validated SnTox5 and characterized its role in pathogenesis. We used whole genome sequencing, genome‐wide association study (GWAS) ...
DOI:
10.1111/nph.17602

7. Interaction between the Bird Cherry-Oat Aphid (Rhopalosiphum padi) and Stagonospora Nodorum Blotch (Parastagonospora nodorum) on Wheat

Author:
Belachew Asalf; Andrea Ficke; Ingeborg Klingen
Source:
Insects 2021 v.12 no.1 pp. -
ISSN:
2075-4450
Subject:
Parastagonospora nodorum,   etc   ; Rhopalosiphum padi; females; integrated pest management; plant pathogenic fungi; wheat;     Show all 6 Subjects
Abstract:
... Wheat plants are under constant attack by multiple pests and diseases. Until now, there are no studies on the interaction between the aphid Rhopalosiphum padi and the plant pathogenic fungus Parastagonospora nodorum causal agent of septoria nodorum blotch (SNB) on wheat. Controlled experiments were conducted to determine: (i) The preference and reproduction of aphids on P. nodorum inoculated and n ...
DOI:
10.3390/insects12010035

8. PR1‐mediated defence via C‐terminal peptide release is targeted by a fungal pathogen effector

Author:
Yi‐Chang Sung; Megan A. Outram; Susan Breen; Chen Wang; Bayantes Dagvadorj; Britta Winterberg; Bostjan Kobe; Simon J. Williams; Peter S. Solomon
Source:
new phytologist 2021 v.229 no.6 pp. 3467-3480
ISSN:
0028-646X
Subject:
Parastagonospora nodorum,   etc   ; fungi; gene expression; necrosis; pathogenesis-related proteins; pathogens; peptides; phenotype; serine proteinases; site-directed mutagenesis; wheat;     Show all 11 Subjects
Abstract:
... The effector SnTox3 from Parastagonospora nodorum elicits a strong necrotic response in susceptible wheat and also interacts with wheat pathogenesis‐related protein 1 (TaPR‐1), although the function of this interaction in disease is unclear. Here, we dissect TaPR1 function by studying SnTox3–TaPR1 interaction and demonstrate the dual functionality of SnTox3. We utilized site‐directed mutagenesis t ...
DOI:
10.1111/nph.17128

9. Development of glycated peptide enzyme sensor based flow injection analysis system for haemoglobin A1c monitoring using quasi-direct electron transfer type engineered fructosyl peptide oxidase

Author:
Mika Hatada; Satomi Saito; Satoshi Yonehara; Wakako Tsugawa; Ryutaro Asano; Kazunori Ikebukuro; Koji Sode
Source:
Biosensors & bioelectronics 2021 v.177 pp. 112984
ISSN:
0956-5663
Subject:
Parastagonospora nodorum,   etc   ; biosensors; diabetes; electrochemistry; electron transfer; flow injection analysis; glycemic control; glycohemoglobin; hemoglobin; mutants; oxidoreductases; peptides; proteinases; valine;     Show all 14 Subjects
Abstract:
... Haemoglobin A1c (hemoglobin A1c, HbA1c) is an important long-term glycemic control marker for diabetes. The aim of this study was to develop an enzyme flow injection analysis (FIA) system using engineered fructosyl peptide oxidase (FPOx) based on 2.5th generation principle for an HbA1c automated analytical system. FPOx from Phaeosphaeria nodorum (PnFPOx) was engineered by introducing a Lys residue ...
DOI:
10.1016/j.bios.2021.112984

10. Monitoring of Natural Occurrence and Severity of Leaf and Glume Blotch Diseases of Winter Wheat and Winter Triticale Incited by Necrotrophic Fungi Parastagonospora spp. and Zymoseptoria tritici

Author:
Sławomir Franciszek Bartosiak; Edward Arseniuk; Magdalena Szechyńska-Hebda; Ewa Bartosiak
Source:
Agronomy 2021 v.11 no.5 pp. -
ISSN:
2073-4395
Subject:
Parastagonospora nodorum,   etc   ; Mycosphaerella graminicola; agronomy; algorithms; data collection; disease severity; economic threshold; leaves; pathogens; temperature; triticale; winter wheat; Poland;     Show all 13 Subjects
Abstract:
... The occurrence of necrotrophic winter wheat and triticale pathogens in eight geographical regions of Poland was studied between 2015 and 2020. Over a period of six years, the incidence of the following pathogens was monitored: Parastagonospora nodorum, Parastagonospora avenae and Zymoseptoria tritici. The significant effect of meteorological factors on the incidence of pathogens was determined. Th ...
DOI:
10.3390/agronomy11050967

11. Occurrence of Quinone Outside Inhibitor Resistance in Virginia Populations of Parastagonospora nodorum Infecting Wheat

Author:
Navjot Kaur; Chase Mullins; Nathan M. Kleczewski; Hillary L. Mehl
Source:
Plant disease 2021 v.105 no.6 pp. 1837-1842
ISSN:
0191-2917
Subject:
Parastagonospora nodorum,   etc   ; azoxystrobin; cytochrome b; fungicide resistance; genes; high-throughput nucleotide sequencing; pyraclostrobin; quinones; rapid methods; resistance management; wheat; Virginia;     Show all 12 Subjects
Abstract:
... Stagonospora nodorum blotch (SNB) of wheat, caused by Parastagonospora nodorum, is managed using cultural practices, resistant varieties, and foliar fungicides. Frequent fungicide use can select for fungicide resistance, making certain chemistries less effective; this may in part explain the increasing severity of SNB in the mid-Atlantic United States. Quinone outside inhibitor (QoI) resistance ha ...
DOI:
10.1094/PDIS-11-19-2288-RE

12. Biology and molecular interactions of Parastagonospora nodorum blotch of wheat

Author:
Shabnam Katoch; Vivek Sharma; Devender Sharma; Richa Salwan; S. K. Rana
Source:
Planta 2022 v.255 no.1 pp. 21
ISSN:
0032-0935
Subject:
Parastagonospora nodorum,   etc   ; Stagonospora; cell death; crop yield; cytokinins; disease control; ethylene production; genes; host plants; immunity; leaves; pathogens; reactive oxygen species; wheat;     Show all 14 Subjects
Abstract:
... MAIN CONCLUSION: Parastagonospora nodorum is one of the important necrotrophic pathogens of wheat which causes severe economical loss to crop yield. So far, a number of effectors of Parastagonospora nodorum origin and their target interacting genes on the host plant have been characterized. Since targeting effector-sensitive gene carefully can be helpful in breeding for resistance. Therefore, cons ...
DOI:
10.1007/s00425-021-03796-w

13. A protein kinase–major sperm protein gene hijacked by a necrotrophic fungal pathogen triggers disease susceptibility in wheat

Author:
Zengcui Zhang; Katherine L. D. Running; Sudeshi Seneviratne; Amanda R. Peters Haugrud; Agnes Szabo‐Hever; Gongjun Shi; Robert Brueggeman; Steven S. Xu; Timothy L. Friesen; Justin D. Faris
Source:
plant journal 2021 v.106 no.3 pp. 720-732
ISSN:
0960-7412
Subject:
Parastagonospora nodorum,   etc   ; Aegilops tauschii; Triticum aestivum; disease susceptibility; fungi; genes; mutagenesis; pathogens; protein kinases; spermatozoa; transcription (genetics); wheat; wheat allergy; Caspian Sea;     Show all 14 Subjects
Abstract:
... Septoria nodorum blotch (SNB), a disease caused by the necrotrophic fungal pathogen Parastagonospora nodorum, is a threat to wheat (Triticum aestivum) production worldwide. Multiple inverse gene‐for‐gene interactions involving the recognition of necrotrophic effectors (NEs) by wheat sensitivity genes play major roles in causing SNB. One interaction involves the wheat gene Snn3 and the P. nodorum N ...
DOI:
10.1111/tpj.15194

14. Meta-analysis reveals consensus genomic regions associated with multiple disease resistance in wheat (Triticum aestivum L.)

Author:
Dinesh Kumar Saini; Amneek Chahal; Neeraj Pal; Puja Srivastava; Pushpendra Kumar Gupta
Source:
Molecular breeding 2022 v.42 no.3 pp. 11
ISSN:
1380-3743
Subject:
Parastagonospora nodorum,   etc   ; Fusarium head blight; Mycosphaerella graminicola; Triticum aestivum; chromosome mapping; disease resistance; gene expression regulation; genomics; karnal bunt; meta-analysis; transcriptome; wheat;     Show all 12 Subjects
Abstract:
... In wheat, meta-QTLs (MQTLs) and candidate genes (CGs) were identified for multiple disease resistance (MDR). For this purpose, information was collected from 58 studies for mapping QTLs for resistance to one or more of the five diseases. As many as 493 QTLs were available from these studies, which were distributed in five diseases as follows: septoria tritici blotch (STB) 126 QTLs; septoria nodoru ...
DOI:
10.1007/s11032-022-01282-z

15. A triple threat: the Parastagonospora nodorum SnTox267 effector exploits three distinct host genetic factors to cause disease in wheat

Author:
Jonathan K. Richards; Gayan K. Kariyawasam; Sudeshi Seneviratne; Nathan A. Wyatt; Steven S. Xu; Zhaohui Liu; Justin D. Faris; Timothy L. Friesen
Source:
The new phytologist 2022 v.233 no.1 pp. 427-442
ISSN:
0028-646X
Subject:
Parastagonospora nodorum,   etc   ; bioinformatics; complementary genes; fungi; gain-of-function mutation; models; pathogens; programmed cell death; protein isoforms; quantitative polymerase chain reaction; virulence; wheat;     Show all 12 Subjects
Abstract:
... Parastagonospora nodorum is a fungal pathogen of wheat. As a necrotrophic specialist, it deploys effector proteins that target dominant host susceptibility genes to elicit programmed cell death (PCD). Here we identify and functionally validate the effector targeting the host susceptibility genes Snn2, Snn6 and Snn7. We utilized whole‐genome sequencing, association mapping, gene‐disrupted mutants, ...
DOI:
10.1111/nph.17601

16. A triple threat: The Parastagonospora nodorum SnTox267 effector exploits three distinct host genetic factors to cause disease in wheat

Author:
Richards Jonathan K.; Kariyawasam Gayan K .; Seneviratne Sudeshi; Wyatt Nathan A; Xu Steven S.; Liu Zhaohui; Faris Justin D.; Timothy L. Friesen
Source:
new phytologist 2022 v.233 no.1 pp. 427-442
ISSN:
0028-646X
Subject:
Parastagonospora nodorum,   etc   ; fungi; gain-of-function mutation; genes; necrosis; pathogens; programmed cell death; protein isoforms; selection pressure; sequence analysis; virulence; wheat; Midwestern United States;     Show all 13 Subjects
Abstract:
... Parastagonospora nodorum is a fungal pathogen of wheat. As a necrotrophic specialist, it deploys a suite of effector proteins that target dominant host susceptibility genes to elicit programmed cell death (PCD). Previously, nine effector – host susceptibility gene interactions were reported in this pathosystem, presumably governed by unique pathogen effectors. This study presents the characterizat ...
Handle:
10113/7481987
DOI:
10.1111/nph.17601

17. Breeding progress of disease resistance and impact of disease severity under natural infections in winter wheat variety trials

Author:
F. Laidig; T. Feike; S. Hadasch; D. Rentel; B. Klocke; T. Miedaner; H. P. Piepho
Source:
Theoretical and applied genetics 2021 v.134 no.5 pp. 1281-1302
ISSN:
0040-5752
Subject:
Parastagonospora nodorum,   etc   ; Mycosphaerella graminicola; data collection; disease resistance; disease severity; disease susceptibility; ears; environmental impact; field experimentation; fungicides; genetics; leaves; mildews; prediction; regression analysis; stripe rust; winter wheat;     Show all 17 Subjects
Abstract:
... KEY MESSAGE: Breeding progress of resistance to fungal wheat diseases and impact of disease severity on yield reduction in long-term variety trials under natural infection were estimated by mixed linear regression models. This study aimed at quantifying breeding progress achieved in resistance breeding towards varieties with higher yield and lower susceptibility for 6 major diseases, as well as es ...
DOI:
10.1007/s00122-020-03728-4

18. StKU80, a component in the NHEJ repair pathway, is involved in mycelial morphogenesis, conidiation, appressorium development, and oxidative stress reactions in Exserohilum turcicum

Author:
Xiao-dong GONG; Yu-wei LIU; Huan-huan BI; Xiao-rong YANG; Jian-min HAN; Jin-gao DONG; Shou-qin GU
Source:
Journal of integrative agriculture 2021 v.20 no.1 pp. 147-158
ISSN:
2095-3119
Subject:
Parastagonospora nodorum,   etc   ; DNA; Exserohilum; Monascus ruber; agriculture; appressoria; cell walls; conidia; conidiation; eukaryotic cells; gene targeting; genes; homologous recombination; mitochondria; morphogenesis; mycelium; oxidative stress; pathogens; phylogeny; ultraviolet radiation; yeasts;     Show all 21 Subjects
Abstract:
... Homologous recombination (HR) and nonhomologous end joining (NHEJ) are considered the two main double-strand break (DSB) repair approaches in eukaryotes. Inhibiting the activities of the key component in NHEJ commonly enhances the efficiency of targeted gene knockouts or affects growth and development in higher eukaryotes. However, little is known about the roles of the NHEJ pathway in foliar path ...
DOI:
10.1016/S2095-3119(20)63233-6

19. The crystal structure of SnTox3 from the necrotrophic fungus Parastagonospora nodorum reveals a unique effector fold and provides insight into Snn3 recognition and pro‐domain protease processing of fungal effectors

Author:
Megan A. Outram; Yi‐Chang Sung; Daniel Yu; Bayantes Dagvadorj; Sharmin A. Rima; David A. Jones; Daniel J. Ericsson; Jana Sperschneider; Peter S. Solomon; Bostjan Kobe; Simon J. Williams
Source:
The new phytologist 2021 v.231 no.6 pp. 2282-2296
ISSN:
0028-646X
Subject:
Parastagonospora nodorum,   etc   ; cell death; computer simulation; crystal structure; fungi; genes; genetically modified organisms; mutagenesis; proteinases;     Show all 9 Subjects
Abstract:
... Plant pathogens cause disease through secreted effector proteins, which act to promote infection. Typically, the sequences of effectors provide little functional information and further targeted experimentation is required. Here, we utilized a structure/function approach to study SnTox3, an effector from the necrotrophic fungal pathogen Parastagonospora nodorum, which causes cell death in wheat‐li ...
DOI:
10.1111/nph.17516

20. Effect of varietal resistance on the yield loss function of wheat to nodorum blotch

Author:
Manisha Shankar; Karyn Reeves; Jason Bradley; Ryan Varischetti; Robert Loughman
Source:
Plant pathology 2021 v.70 no.3 pp. 745-759
ISSN:
0032-0862
Subject:
Parastagonospora nodorum,   etc   ; cultivars; disease control; disease resistance; leaves; plant pathology; varietal resistance; wheat; Western Australia;     Show all 9 Subjects
Abstract:
... Cultivar disease resistance ratings to nodorum blotch (caused by Parastagonospora nodorum) provide critical information to growers to assist with disease management. However, less has been done in terms of yield losses from diseases under different cultivar resistance scenarios. The purpose of this study was to characterize yield and quality loss responses to wheat nodorum blotch as influenced by ...
DOI:
10.1111/ppa.13317