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You searched for: Publication Year 2013 Remove constraint Publication Year: 2013 Subject term Aspergillus niger Remove constraint Subject term: Aspergillus niger Subject term Penicillium Remove constraint Subject term: Penicillium
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1. Allelopathic impact of three fungal exudates on algal population (el-ibrahemia canal, assiut, egypt) and chlorella fusca

Author:
A. F. Hifney
Source:
Acta botanica Hungarica 2013 v.55 no.1-2 pp. 27-40
ISSN:
0236-6495
Subject:
Aspergillus niger; Chlorella; Fusarium sambucinum; Penicillium; algae; fungi; Egypt
Abstract:
... The exudates of three fungal species (Aspergillus niger, Fusarium sambucinum and Penicillium canescens) have been tested for their effect on the algal population and diversity of El-Ibrahemia Canal. It has been found that the exudates of F. sambucinum was stimulatory for the algal population, whereas that of A. niger was inhibitory. Penicillium canscens ex ...
DOI:
10.1556/ABot.55.2013.1-2.3

2. Antimicrobial activities of laboratory produced essential oil solutions against five selected fungal strains

Author:
Ivanova Emilija; Atanasova-Pančevska Natalija; Kungulovski Džoko
Source:
Zbornik Matice srpske za prirodne nauke 2013 v.2013 no.124 pp. 171-183
ISSN:
0352-4906
Subject:
Aspergillus niger; Aspergillus sojae; Candida albicans; Penicillium; Saccharomyces cerevisiae; antimicrobial properties; essential oils; ethanol; food preservation; fungi; pharmaceutical industry; plant pathogens
Abstract:
... It is well known that essential oils possess significant antimicrobial activity. This study was conducted to estimate the antimicrobial activity of various types of Biokill, a laboratory produced solution composed of several essential oils (Biokill dissolved in 96% ethanol; Biokill 96% further dissolved in DMSO; Biokill dissolved in 70% ethanol and Biokill 70% further dissolved in DMSO). The antim ...
DOI:
10.2298/ZMSPN1324171I

3. Aspergillus species as mycotoxin producers in agricultural products in central Europe

Author:
Kočube Šandor; Varga Janoš; Sigeti Đenđi; Baranji Nikolet; Šuri Katalin; Tot Bela; Toldi Eva; Bartok Tibor; Mešterhazi Akoš
Source:
Zbornik Matice srpske za prirodne nauke 2013 v.2013 no.124 pp. 13-25
ISSN:
0352-4906
Subject:
Aspergillus niger; Fusarium; Penicillium; aflatoxins; apples; corn; fumonisins; milk; ochratoxins; patulin; vines; Central European region; Croatia; Hungary; Italy; Romania; Serbia; Slovenia
Abstract:
... Aspergillus species are able to produce a range of mycotoxins, includ­ing e.g. aflatoxins, ochratoxins, fumonisins and patulin. Aflatoxins are mainly produced by members of Aspergillus section Flavi, and they contaminate various agricultural products in several parts of the world. Several recent reports have indicated that aflatoxin-producing fungi and consequently aflatoxin contamination occur in ...
DOI:
10.2298/ZMSPN1324013K

4. Characterization and functional analysis of a novel PGIP gene from Pyrus pyrifolia Nakai cv Huobali

Author:
Diqiu Liu; Wenxian Li; Xin He; Yuanming Ding; Chaoyin Chen; Feng Ge
Source:
Acta physiologiae plantarum 2013 v.35 no.4 pp. 1247-1256
ISSN:
0137-5881
Subject:
Southern blotting; horticultural crops; proteins; quantitative polymerase chain reaction; Aspergillus niger; pericarp; Alternaria; Pyrus pyrifolia; models; phylogeny; Phaseolus vulgaris; crude protein; Nicotiana tabacum; genes; leaves; autoimmunity; tobacco; Penicillium; Diaporthe; antifungal properties
Abstract:
... Polygalacturonase-inhibiting proteins (PGIPs) are multifunctional proteins related to plant autoimmunity and belong to the plant extracellular leucine-rich repeat (eLRR) protein superfamily. PGIPs play a role in host defense in many plants. In the present study, a novel PGIP gene, PpPGIP was isolated from Pyrus pyrifolia Nakai cv Huobali. The nucleotide sequence of PpPGIP was highly homologous wit ...
DOI:
10.1007/s11738-012-1164-y

5. Ecology of moulds during the pre-ripening and ripening of San Daniele dry cured ham

Author:
Giuseppe Comi; Lucilla Iacumin
Source:
Food research international 2013 v.54 no.1 pp. 1113-1119
ISSN:
0963-9969
Subject:
Aspergillus niger; Meyerozyma guilliermondii; Penicillium; air; ecology; ham; health hazards; ochratoxin A; toxicity; yeasts
Abstract:
... The aim of this work was to study the ecology of moulds and their toxic potential during the pre-ripening or ripening of San Daniele dry cured ham. Three different facilities and their products were investigated. These facilities were chosen on the basis of their production capacity: one for industrial production, one for semi-industrial production and one for handicraft production. The mould micr ...
DOI:
10.1016/j.foodres.2013.01.031

6. Enzymatic Degradation of Monocrotophos by Extracellular Fungal OP Hydrolases

Author:
Rachna Jain; Veena Garg
Source:
Applied biochemistry and biotechnology 2013 v.171 no.6 pp. 1473-1486
ISSN:
0273-2289
Subject:
Macrophomina; Aspergillus niger; Fusarium incarnatum; hydrolases; thin layer chromatography; molecular weight; monocrotophos; culture media; Penicillium; Aspergillus flavus; fungi
Abstract:
... The present study explores the potential of extracellular fungal organophosphate (OP) hydrolase for the degradation of monocrotophos. Extracellular OP hydrolases were isolated and purified from five different fungal isolates viz. Aspergillus niger (M1), Aspergillus flavus (M2), Penicillium aculeatum (M3), Fusarium pallidoroseum (M4), and Macrophomina sp. (M5) by AmSO₄precipitation, dialysis, and G ...
DOI:
10.1007/s12010-013-0438-1
PubMed:
23963716

7. Fungal species isolated from peanuts in major Kenyan markets: Emphasis on Aspergillus section Flavi

Author:
John Maina Wagacha; Charity Mutegi; Lucy Karanja; Job Kimani; Maria Elisa Christie
Source:
Crop protection 2013 v.52 pp. 1-9
ISSN:
0261-2194
Subject:
Aspergillus alliaceus; Aspergillus flavus; Aspergillus niger; Aspergillus parasiticus; Penicillium; aflatoxin B1; fungi; market access; markets; peanut butter; peanut flour; peanuts; supply chain
Abstract:
... A survey was conducted in Nairobi, Nyanza and Western provinces in Kenya between March and July 2009 with 1263 peanut products sampled out of which 705 samples underwent microbial analysis. The study aimed at determining the incidence of fungal species – emphasis on Aspergillus section Flavi – associated with peanut products. A 0.5 kg representative sample was obtained from each surveyed vendor an ...
DOI:
10.1016/j.cropro.2013.05.004

8. Incidence of pests and seedborne fungi in seeds stored by indigenous methods in the Nadowli district of Ghana

Author:
Sowley, E.N.K.; Baalabong, A.
Source:
Acta horticulturae 2013 no.1007 pp. 355-362
ISSN:
0567-7572
Subject:
Aspergillus niger; Azadirachta indica; Fusarium; Penicillium; Rhizopus stolonifer; agar; barns; crop production; crops; developing countries; farmers; pathogens; pests; pies; seed germination; seed storage; seed-borne fungi; seeds; silos; straw; thatch; wood ash; Ghana
Abstract:
... It is common knowledge that healthy seeds are required for the production of healthy crops and for that matter higher yield. However, most farmers in developing countries rely on their own seeds for crop production. The study therefore was aimed at identifying the indigenous methods or structures used in storing seeds and how these affect the incidence of pests and pathogens as well as germination ...

9. Occurrence and effectiveness of an indigenous strain of Myrothecium roridum Tode: Fries as a bioherbicide for water hyacinth (Eichhornia crassipes) in Nigeria

Author:
Wahab O. Okunowo; Akinniyi A. Osuntoki; Adedotun A. Adekunle; George O. Gbenle
Source:
Biocontrol science and technology 2013 v.23 no.12 pp. 1387-1401
ISSN:
1360-0478
Subject:
Aspergillus flavus; Aspergillus niger; Curvularia pallescens; Eichhornia crassipes; Fusarium solani; Myrothecium roridum; Penicillium; biological control; biopesticides; disease incidence; disease severity; fungi; internal transcribed spacers; lakes; necrosis; pathogens; petioles; ribosomal DNA; spores; virulence; Nigeria; United Kingdom
Abstract:
... In a study to isolate fungal pathogens with potential for the biocontrol of water hyacinth (Eichhornia crassipes), some lakes in the Lagos State and its environs, Nigeria, were surveyed for diseased water hyacinth (E. crassipes). The fungi present in the diseased tissue were isolated and identified as: Aspergillus niger , Aspergillus flavus , Penicillium sp., Curvularia pallescens , Fusarium solan ...
DOI:
10.1080/09583157.2013.839981

10. Occurrence of toxigenic Aspergillus spp. and aflatoxins in selected food commodities of Asian origin sourced in the West of Scotland

Author:
Sayan Ruadrew; John Craft; Kofi Aidoo
Source:
Food and chemical toxicology 2013 v.55 pp. 653-658
ISSN:
0278-6915
Subject:
Aspergillus alutaceus; Aspergillus niger; Aspergillus oryzae; Eurotium; Monascus; Mucor; Penicillium; Rhizopus; aflatoxins; black beans; black pepper; brown rice; dried fruit; exports; food production; green beans; peanuts; toxicology; Scotland
Abstract:
... The occurrence of Aspergillus moulds and aflatoxins in 12 commercially-available dried foods of Asian origin were examined. All food samples, except green beans and three types of dried fruit, contained multiple genera of moulds of which Aspergillus (55%) was the most frequently detected. Penicillium (15%), Rhizopus (11%), Mucor (3%), Monascus (1%), Eurotium (1%) and unidentified (14%) were also o ...
DOI:
10.1016/j.fct.2013.02.001

11. Purification and characterization of an extracellular antifungal chitinase from Penicillium ochrochloron MTCC 517 and its application in protoplast formation

Author:
Nilambari S. Patil; Shailesh R. Waghmare; Jyoti P. Jadhav
Source:
Process Biochemistry 2013 v.48 pp. 176-183
ISSN:
1359-5113
Subject:
Aspergillus niger; N-acetylglucosamine; Penicillium; ammonium compounds; antifungal properties; biological control agents; catalytic activity; chitin; chitinase; chitosan; chromatography; culture media; enzyme activity; enzyme kinetics; hydrolysates; hydrolysis; mercury; molecular weight; pH; polyacrylamide gel electrophoresis; potassium; protoplasts; solvents; temperature; zinc; India
Abstract:
... A highly chitinolytic strain Penicillium ochrochloron MTCC 517 was procured from MTCC, Chandigarh, India. Culture medium supplemented with 1% chitin was found to be suitable for maximum production of chitinase. Purification of extracellular chitinase was done from the culture medium by organic solvent precipitation and DEAE-cellulose column chromatography. The chitinase was purified 6.92-fold with ...
DOI:
10.1016/j.procbio.2012.11.017

12. Rearing and storage in mung beans reduce medically significant molds by the seed beetle, Callosobruchus maculatus (Coleoptera: Chrysomelidae), utilized in science classrooms

Author:
Jay A. Yoder; Benjamin A. Rausch; Logan M. Griffith; Andrew E. Rosselot; Andrew J. Jajack; Kevin M. Gribbins; Joshua B. Benoit; George D. Keeney
Source:
Mycology 2013 v.4 no.3 pp. 169-177
ISSN:
2150-1203
Subject:
Absidia; Alternaria; Aspergillus niger; Callosobruchus maculatus; Chrysomelidae; Cladosporium; Fusarium; Geotrichum; Mucor; Paecilomyces; Penicillium; Rhizopus; Scopulariopsis; Trichoderma; Vigna radiata; Vigna unguiculata; adults; allergenicity; allergens; containers; cowpeas; elementary schools; fungi; hygiene; mung beans; rearing; secondary infection; seeds; students; teachers
Abstract:
... To examine whether colonies of seed beetles, Callosobruchus maculatus , may be a health concern as a source of mold allergens to students and teachers, we compared the amount and type of molds present on adult beetles reared with mung beans and cowpeas, Vigna radiata and Vigna unguiculata , respectively (Family Fabaceae). Specimens were analyzed from two elementary schools, a commercial supplier a ...
DOI:
10.1080/21501203.2013.841299

13. Relation between germination and mycelium growth of individual fungal spores

Author:
Maria Gougouli; Konstantinos P. Koutsoumanis
Source:
International journal of food microbiology 2013 v.161 no.3 pp. 231-239
ISSN:
0168-1605
Subject:
Aspergillus niger; Penicillium expansum; cumulative distribution; early development; fungal spores; germ tube; linear models; microbial growth; microscopy; mycelium; spore germination; temperature
Abstract:
... The relation between germination time and lag time of mycelium growth of individual spores was studied by combining microscopic and macroscopic techniques. The radial growth of a large number (100–200) of Penicillium expansum and Aspergillus niger mycelia originating from single spores was monitored macroscopically at isothermal conditions ranging from 0 to 30°C and 10 to 41.5°C, respectively. The ...
DOI:
10.1016/j.ijfoodmicro.2012.12.006
PubMed:
23337123

14. Saffron corm as a natural source of fungicides: The role of saponins in the underground

Author:
Ángela Rubio-Moraga; Lourdes Gómez-Gómez; Almudena Trapero; Natali Castro-Díaz; Oussama Ahrazem
Source:
Industrial crops and products 2013 v.49 pp. 915-921
ISSN:
0926-6690
Subject:
saffron; Aspergillus niger; Curvularia spicifera; minimum inhibitory concentration; Fusarium oxysporum; fighting behavior; fungicides; phenolic compounds; Crocus sativus; fungi; corms; growth retardation; saponins; toxicity; Rhizopus stolonifer; Penicillium; antifungal properties
Abstract:
... Fungi cause important deteriorations of corms from Crocus sativus L. In order to screen the antifungal properties of this organ to fight such infections, two independent experiments based on the lyophilized and sterilized external (peel) and internal parts of the corm were conducted against five fungi isolated from infected corms during August. The minimum inhibitory concentrations (MIC) after 30 ...
DOI:
10.1016/j.indcrop.2013.06.029

15. Studies on seed-borne fungi of wheat in seed health testing programme

Author:
Neha Pathak; Razia K. Zaidi
Source:
Archives of phytopathology and plant protection 2013 v.46 no.4 pp. 389-401
ISSN:
1477-2906
Subject:
Alternaria alternata; Aspergillus flavus; Aspergillus niger; Curvularia lunata; Drechslera; Fusarium verticillioides; Mucor; Penicillium; Rhizopus; agar; pathogens; seed germination; seed treatment; seed-borne fungi; wheat
Abstract:
... Seed mycoflora associated with wheat was studied on different media with a particular reference to Blotter and potato dextrose agar (PDA) procedures of ISTA. Seed-borne fungi, viz. Fusarium moniliforme, Rhizopus spp., Mucor spp., Alternaria alternata, Aspergillus niger, Aspergillus flavus, Curvularia lunata, Drechslera spp, Alternaria spp. and Penicillium spp., were isolated from the variety HD264 ...
DOI:
10.1080/03235408.2012.741978

16. Synergized Antimicrobial Activity of Eugenol Incorporated Polyhydroxybutyrate Films Against Food Spoilage Microorganisms in Conjunction with Pediocin

Author:
Aarthi Narayanan; Neera; Mallesha; Karna Venkata Ramana
Source:
Applied biochemistry and biotechnology 2013 v.170 no.6 pp. 1379-1388
ISSN:
0273-2289
Subject:
food spoilage; Staphylococcus aureus; foods; shelf life; Aspergillus niger; Salmonella Typhimurium; melting point; polyhydroxybutyrate; Penicillium; Aspergillus flavus; tensile strength; bacteriocins; glass transition temperature; Fourier transform infrared spectroscopy; eugenol; antifungal properties; Escherichia coli; food preservation; growth retardation; Rhizopus; food contamination; food industry; food pathogens; Bacillus cereus; bacteria; fungi
Abstract:
... Biopolymers and biopreservatives produced by microorganisms play an essential role in food technology. Polyhydroxyalkanoates and bacteriocins produced by bacteria are promising components to safeguard the environment and for food preservation applications. Polyhydroxybutyrate (PHB)-based antimicrobial films were prepared incorporating eugenol, from 10 to 200 μg/g of PHB. The films were evaluated f ...
DOI:
10.1007/s12010-013-0267-2
PubMed:
23666640

17. Three bioactive sesquiterpene quinones from the Fijian marine sponge of the genus Hippospongia

Author:
Rohitesh Kumar; Ramesh Subramani; William Aalbersberg
Source:
Natural product research 2013 v.27 no.16 pp. 1488-1491
ISSN:
1478-6427
Subject:
Aspergillus niger; Candida albicans; Cryptococcus neoformans; Enterococcus faecium; Penicillium; Porifera; Rhizopus; Sordaria; Staphylococcus aureus; antibacterial properties; antibiotic resistance; antifungal properties; cytotoxicity; methicillin; quinones; spectroscopy; sporangia
Abstract:
... A sesquiterpenoid quinone, epi-ilimaquinone (1), and two sesquiterpene amino quinones, smenospongine (2) and glycinylilimaquinone (3), were isolated from the Fijian marine sponge Hippospongia sp. The structures of these compounds were determined by spectroscopic analysis. Compounds 1 and 3 were reported for the first time in this study from the sponge of the genus Hippospongia. Compound 1 displaye ...
DOI:
10.1080/14786419.2012.722086

18. A review on biosynthesis of nanoparticles by marine organisms

Author:
N. Asmathunisha; K. Kathiresan
Source:
Colloids and Surfaces B: Biointerfaces 2013 v.103 pp. 283-287
ISSN:
0927-7765
Subject:
terpenoids; Aspergillus niger; Oscillatoria; colloids; amides; Arthrospira platensis; fish; Fucus vesiculosus; Penicillium; Sargassum wightii; alkaloids; cell walls; drugs; industry; Rhizophora mucronata; phenolic compounds; pearls; amines; Xylocarpus; Navicula; Escherichia coli; dunes; yeasts; nanomedicine; bones; salt marshes; Pseudomonas; Pichia; pigments; Sesuvium portulacastrum; carbonyl compounds; Thraustochytrium; Citrullus colocynthis; biosynthesis; proteins; reducing agents; Phormidium tenue; Stauroneis; nanoparticles; bacteria; Suaeda
Abstract:
... Marine organisms produce remarkable nanofabricated structures in cell wall, shells, pearls and fish bones. Marine microorganisms such as bacteria (E. coli, Pseudomonas sp.), cyanobacteria (Spirulina platensis, Oscillatoria willei, Phormidium tenue), yeasts (Pichia capsulata, Rhodospiridium diobovatum), fungi (Thraustochytrium sp., Penicillium fellutanum, Aspergillus niger), and algae (Navicula ato ...
DOI:
10.1016/j.colsurfb.2012.10.030

19. A survey of outdoor and indoor airborne fungal spora in the Redemption City, Ogun State, south-western Nigeria

Author:
E. U. Durugbo; A. O. Kajero; E. I. Omoregie; N. E. Oyejide
Source:
Aerobiologia 2013 v.29 no.2 pp. 201-216
ISSN:
0393-5965
Subject:
Aspergillus niger; Pyrenochaeta; Torula; Trichoderma; Trichophyton; Rhizopus stolonifer; Penicillium; Aspergillus flavus; Phycomyces; Mucor; Bipolaris; Curvularia; Phytophthora; Pilobolus; sanitation; Gliocladium; Diplodia; biodiversity; Fusarium; Chrysosporium; Monilinia; allergens; surveys; airborne microorganisms; fungal spores; Coniothyrium; Cladosporium; fungi; Nigeria
Abstract:
... The concentration and biodiversity of airborne fungi of the Redemption City, an immense campground for Christian faithful and the temporary site of the Redeemer’s University in south-western Nigeria, was studied between February and May 2011 using the culture plate method. The study was undertaken to assess the concentrations of fungal spores and their health implication in this ever-busy environm ...
DOI:
10.1007/s10453-012-9274-y