نتایج جستجو برای: virens
تعداد نتایج: 775 فیلتر نتایج به سال:
Trichoderma species are among important antagonists of plant pathogenic fungi. The main purpose of this study was to evaluate the biocontrol potential of native Trichoderma spp. isolates from sugar beet fields against Phytophthora drechsleri and P. cryptogea, the causal agents of Phytophthora root rot of sugar beet. During 2007–08, 85 isolates of Trichoderma spp. from sugar beet fields in eight...
شبهگونههای تریکودرما از مهمترین آنتاگونیستهای قارچهای بیمارگر گیاهی میباشند که شناسایی و تعیین توان آنتاگونیستی آنها کمک زیادی به مطالعات کنترل زیستی میکند. هدف اصلی از این مطالعه تعیین توان کنترلزیستی جدایههای بومی تریکودرما، جدا شده از مزارع چغندرقند، علیه گونههای phytophthora drechleri و p. cryptogea عوامل پوسیدگی ریشه چغندرقند میباشد. طی دو فصل زراعی (1386 و 1387)، 85 جدایه از گو...
Lysine 2-hydroxyisobutyrylation (Khib) is a newly identified post-translational modification (PTM) that plays important roles in transcription and cell proliferation eukaryotes. However, its function remains unknown phytopathogenic fungi. Here, we performed comprehensive assessment of Khib the rice false smut fungus Ustilaginoidea virens, using Tandem Mass Tag (TMT)-based quantitative proteomic...
After the use of different Giemsa staining techniques, variations in chromosome banding patterns have often been observed in animal chromosomes. Such staining differences are usually interpreted to indicate that there is more than one type of heterochromatin in many animal chromosomes. Using two differential Giemsa staining techniques we have found different staining patterns in the chromosomes...
Fungal species belonging to the genus Trichoderma colonize the rhizosphere of many plants, resulting in beneficial effects such as increased resistance to pathogens and greater yield and productivity. However, the molecular mechanisms that govern the recognition and association between Trichoderma and their hosts are still largely unknown. In this report, we demonstrate that plant-derived sucro...
The sugarcane root endophyte Trichoderma virens 223 holds enormous potential as a sustainable alternative to chemical pesticides in the control of sugarcane diseases. Its efficacy as a biocontrol agent is thought to be associated with its production of chitinase enzymes, including N-acetyl-ß-D-glucosaminidases, chitobiosidases and endochitinases. We used targeted gene deletion and RNA-dependent...
The characteristics of an endoglucanase produced by a Trichoderma virens strain T9 newly isolated from a palm-fruit husk dump site, its physiological characteristics and enzyme production were studied. Whole cells of the depolymerizing-enzyme producing T. virens were applied to palm-fruit husk and bird performance characteristics when employed as poultry diet additive were considered. Endogluca...
جنس تریکودرما بصورت همه جازی در دنیا دیده می شود. گونه های trichoderma در مناطق مختلف، موجودات غالب میکروفلور خاک اند که این ممکن است بدلیل تنوع ظرفیت متابولیکی، ماهیت رقابتی و توان تهاجمی آنها باشد. تریکودرما، عامل بروز کپک سبز، یکی از مهمترین بیماری های اقتصادی قارچ خوراکی دکمه ای، در تمام دنیا است. در سال 1386، یکصدوده ایزوله از تریکودرما از بسترهای مختلف قارچ خوراکی، در استان تهران جمع آوری...
trichoderma species are among important antagonists of plant pathogenic fungi. the main purpose of this study was to evaluate the biocontrol potential of native trichoderma spp. isolates from sugar beet fields against phytophthora drechsleri and p. cryptogea, the causal agents of phytophthora root rot of sugar beet. during 2007–08, 85 isolates of trichoderma spp. from sugar beet fields in eight...
Rice false smut, a fungal disease caused by Ustilaginoidea virens is becoming a severe detriment to rice production worldwide. However, little is known about the molecular response of rice to attacks by the smut pathogen. In this article, we define the initial infection process as having three stages: initial colonization on the pistil (stage 1, S1), amplification on the anther (stage 2, S2) an...
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