نتایج جستجو برای: fusarium sp.
تعداد نتایج: 132110 فیلتر نتایج به سال:
Isoflavones, Fusarium, Methylation, Demethylation, 3'-Hydroxylation, Metabolism Several introductionary reactions of isoflavone metabolism by Fusarium fungi are reported. Fu sarium avenaceum hydroxylates formononetin in the 3'-position yielding 3',7-dihydroxy-4'-methoxyisoflavone (calycosin). 3'-Hydroxylation of biochanin A to 3/,5,7-trihydroxy-4/-methoxyisoflavone (pratensein) has been observ...
A number of fine root pathogens, including Phytophthora cinnamomi, Pythium ultimum var. ultimum, Pythium undulatum, Pythium violae, Fusarium sp., and two incompletely identified Verticillium species, were isolated from soils taken from under Scots pine trees at five sites in north Scotland, including semi-natural forests and plantations. At least two root pathogens were recovered from each fore...
the present report discusses disseminated fusariosis in a 15 year old boy with chronic granulomatous disease (cgd). he was admitted to the hazrat rasool acram hospital in november 1995, with a chronic wound in the right ankle and buttock area. antibacterial therapy was started, but there was no response. the patient was still febrile. chest x-ray revealed parahilar lesions in both lungs. tissue...
BACKGROUND Fusarium wilt caused by Fusarium oxysporum f. sp. ciceris, a main threat to global chickpea production, is managed mainly by resistant cultivars whose efficiency is curtailed by Fusarium oxysporum f. sp. ciceris races. METHODOLOGY We characterized compatible and incompatible interactions by assessing the spatial-temporal pattern of infection and colonization of chickpea cvs. P-2245...
Xylanses are hydrolytic enzymes with wide applications in several industries like biofuels, paper and pulp, deinking, food, and feed. The present study was aimed at hitting at high yield xylanase producing fungi from natural resources. Two highest xylanase producing fungal isolates-Q12 and L1 were picked from collection of 450 fungal cultures for the utilization of xylan. These fungal isolates-...
Background and Objectives: Contamination of storage wheat to zearalenone producer molds represents a significant hazard to consumer health and has thus received increasing attention from food safety authorities and legislators. Various species of Fusarium genus are producer of different mycotoxins including zearalenone at certain conditions. These mycotoxins can enter into the human food and an...
Fusarium sp. has been shown to be a promising organism for enhanced production of xylanases. In the present study, xylanase production by 21 Fusarium sp. isolates (8 Fusarium culmorum, 4 Fusarium solani, 6 Fusarium verticillioides and 3 Fusarium equiseti) was evaluated under solid state fermentation (SSF). The fungal isolate Fusarium solani SYRN7 was the best xylanase producer among the tested ...
Nine indole derivatives were evaluated in vitro against Fusarium graminearum, Alternaria alternata, Helminthosporium sorokinianum, Pyricularia oryzae, Fusarium oxysporum f. sp. vasinfectum, Fusarium oxysporum f. sp. cucumarinum, and Alternaria brassicae. Most of the compounds were found to possess antifungal activities. Especially compounds 2, 5, 8, and 9 exhibited broad-spectrum antifungal act...
به منظور شناسایی فلور قارچی ریشه و طوقه گندم در استان زنجان، در طی سال زارعی 90-1389 از 58 مزرعه گندم کشت دیم و آبی استان زنجان نمونه برداری به عمل آمد که ارقام سرداری، آذر2، امید و الوند از جمله ارقام رایج کشت شده در این مزارع بودند. جهت جداسازی قارچ های آلوده کننده غیر سطحی (داخلی) قطعاتی از ریشه و طوقه ضدعفونی شده بوسیله هیپوکلریت سدیم 1-5/0 درصد روی محیط کشت های آگار دار قرار داده شدند و بر...
Application of rhizospheric fungi is an effective and environmentally friendly method of improving plant growth and controlling many plant diseases. The current study was aimed to identify phytohormone-producing fungi from soil, to understand their roles in sesame plant growth, and to control Fusarium disease. Three predominant fungi (PNF1, PNF2, and PNF3) isolated from the rhizospheric soil of...
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