نتایج جستجو برای: aspergillus flavus

تعداد نتایج: 24300  

2017
Mark A Weaver Brian E Scheffler Mary Duke Linda Ballard Hamed K Abbas Michael J Grodowitz

Aflatoxin is a carcinogenic contaminant of many commodities that are infected by Aspergillus flavus Nonaflatoxigenic strains of A. flavus have been utilized as biological control agents. Here, we report the genome sequences from three biocontrol strains. This information will be useful in developing markers for postrelease monitoring of these fungi.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده کشاورزی 1391

هدف این تحقیق بررسی اثر بازدارندگی اسانس های گیاهی بر aspergillus flavus تحت شرایط آزمایشگاهی درون شیشه ای و درون زیوه ای بود. از میان اسانس های گیاهی چهار اسانس چهل گیاه، نعناع(mentha piperita)، اسطو خدوس (lavandula stoechas) و بومادران (achillea millefolium) مورد بررسی قرار گرفتند. نتایج حاصل از شرایط درون شیشه ای نشان داد که اسانس چهل گیاه نسبت به سایر اسانس ها در غلظت ppm1000 اثر بازدارندگی...

2017
Manas Ranjan Panigrahi Soumya Ranjan Nayak Nibha Gupta

To evaluate the effect of fungal inoculants, a pot experiment was carried out on 30 days old transplanted seedlings of Gmelina arborea under nursery condition. Transplants were inoculated with seven day old liquid culture of Aspergillus ellipticus, Fusarium incarnatum, Aspergillus aculeatus, Aspergillus candidus, Penicillium species, Alternaria alternata, Penicillium species, Fusarium javanicum...

2015
Anil U. Kulkarni Ashok M. Chavan

Accepted: 21-03-2015 The known mycotoxin the most important which have been studied mostly because of possible hazards to human health are the afltoxins.Aflatoxins produced very commonly by two species of Aspergillus viz. Aspergillus flavus and Aspergillus parasitic. In this study growth pattern and culture characteristics of Aspergillus flavus isolates were studied. Twelve strains of A. flavus...

2004
H. K. Abbas

Aflatoxin contamination in corn caused by Aspergillus flavus Link is a serious constraint on economical corn (Zea mays L.) production in the Mississippi Delta. The ecology of A. flavus was evaluated in a 3-year study assessing the spatial variability of soil populations of A. flavus in a Mississippi Delta field under different crops. A 1.07-ha section of the field was laid out in 126 9.2-m2 plo...

Journal: :Journal of medical microbiology 2004
Yoshiyuki Okumura Kenji Ogawa Toshiaki Nikai

Elastolytic and elastase inhibitory activities were investigated for 13 strains of Aspergillus fumigatus, three strains of Aspergillus flavus and three strains of Aspergillus niger. Nine of the 13 strains of A. fumigatus and all strains of A. flavus demonstrated elastase activity (more than 1 unit ml(-1)). Six of the 13 strains of A. fumigatus and all strains of A. flavus expressed elastase inh...

شعبانی, علی اکبر, طباطبایی یزدی, فریده, عبدالشاهی, آنا, محمدی نافچی, عبدالرضا, مرتضوی, سید علی,

Background and purpose: Mannoprotein in the cell wall of Saccharomyces cerevisiae is a glycoprotein with antimicrobial and antitoxin effects. In this research antifungal properties of gelatin based edible coating containing Saccharomyces cerevisiae mannoprotein were tested against Aspergillus flavus growth and the inhibitory effect on pistachio kernel. Materials and methods: Antifungal prope...

2017
Min-Jeong Kim Chang-Ki Shim Yong-Ki Kim Sung-Jun Hong Jong-Ho Park Eun-Jung Han Seok-Cheol Kim

Seed dehiscence of ginseng (Panax ginseng C. A. Mayer) is affected by moisture, temperature, storage conditions and microbes. Several microbes were isolated from completely dehisced seed coat of ginseng cultivars, Chunpoong and Younpoong at Gumsan, Korea. We investigated the potential of five Talaromyces flavus isolates from the dehiscence of ginseng seed in four traditional stratification faci...

2004
Chao-Zong Lee

The aflatoxin producer Aspergillus flavus and the koji mold Aspergillus oryzae are morphologically similar species that belong to the Aspergillus section Flavi. We used amplified fragment length polymorphism (AFLP) to differentiate these two species. In this study, we tested thirteen A. flavus, nine A. oryzae, and three A. flavus var. columnaris strains. DNA fragment profiles amplified with eac...

Journal: :nutrition and food sciences research 0
sepideh khorasany tarbiat modares of university mohamah hosain azizi tarbiat modares of university mohsen barzegar tarbiat modares of university zohreh hamidi esfahani tarbiat modares of university

background and objectives: essential oils (eos) possess a wide range of significant properties including antiphlogistic, spasmolytic and antinociceptive effects. in this study, we use eos from thymus daenensis, thymus caramanicus and ziziphora clinopodiodes. materials and methods: in this study, the plants were collected from the botany department, were air dried, grinded and set for extraction...

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