نتایج جستجو برای: intraradices glomus
تعداد نتایج: 3692 فیلتر نتایج به سال:
Arbuscular mycorrhizal fungi (AMF) are an ecologically important group of fungi. Previous studies showed the presence of divergent copies of beta-tubulin and V-type vacuolar H+-ATPase genes in AMF genomes and suggested horizontal gene transfer from host plants or mycoparasites to AMF. We sequenced these genes from DNA isolated from an in vitro cultured isolate of Glomus intraradices that was fr...
The association of arbuscular mycorrhizal (AM) fungi with plant roots is the oldest and ecologically most important symbiotic relationship between higher plants and microorganisms, yet the mechanism by which these fungi detect the presence of a plant host is poorly understood. Previous studies have shown that roots secrete a branching factor (BF) that strongly stimulates branching of hyphae dur...
To gain further insight into the role of the plant genome in arbuscular mycorrhiza (AM) establishment, we investigated whether symbiosis-related plant genes affect fungal gene expression in germinating spores and at the appressoria stage of root interactions. Glomus intraradices genes were identified in expressed sequence tag libraries of mycorrhizal Medicago truncatula roots by in silico expre...
When surface-sterilized spores of the arbuscular mycorrhizal fungus (AMF) Glomus intraradices Sy167 were germinated on agar plates in the slightly modified minimum mineral medium described by G. Bécard and J. A. Fortin (New Phytol. 108:211-218, 1988), slime-forming bacteria, identified as Paenibacillus validus, frequently grew up. These bacteria were able to support growth of the fungus on the ...
The interactive effect of phosphate-solubilizing bacteria and arbuscular mycorrhizal (AM) fungi on plant use of soil P sources of low bioavailability (endogenous or added as rock phosphate [RP] material) was evaluated by using soil microcosms which integrated (sup32)P isotopic dilution techniques. The microbial inocula consisted of the AM fungus Glomus intraradices and two phosphate-solubilizin...
Alfalfa, tall fescue, ryegrass, and celery, some of which were inoculated with the AM fungus Glomus intraradices, were compared for their contributions to phenanthrene (PHE), pyrene (PYR), and dibenzo(a,h)anthracene (DBA) dissipation in spiked soil. A pot experiment was conducted in which PAHs extracted from soil and plant, quantity of PAH degraders, and plant biomass were evaluated. The result...
یکی از گونه های بومی و ارزشمند خراسان رضوی، انگور فرنگی خراسانی یا قره قات ( ribes khorasanicum saghafi & assadi) است که در ارتفاعات رشته کوه هزارمسجد در محدوده کوچکی از شهرستان های درگز و کلات به صورت توده های پراکنده وجود دارد. این گونه به دلیل دخالت های انسانی، نیاز اکولوژیکی زیاد و قوه نامیه کم بذر آن، در حال از بین رفتن است. هدف از پژوهش پیش رو بررسی نقش میکروارگانیسم های همزیست در بهبود ر...
این تحقیق با هدف بررسی اثر کودهای زیستی بر روی زندهمانی نشاء، کمّیت و کیفیت آویشن کرکآلود (Thymus pubescens Boiss.) در مزرعه تحقیقاتی البرز در سال 1390، با استفاده از یک آزمون فاکتوریل در قالب طرح بلوکهای کامل تصادفی با 3 تکرار اجرا شد. تیمارهای مورد استفاده شامل تلقیح بذر (تلقیح با سویه Glomus intraradices، Glomus mosseae و عدم تلقیح) و تلقیح نشاء (تلقیح با سویه G. intraradices، mosseae G. و...
in the present study, the effects of two arbuscular mycorrhizal fungi, glomus mosseae andglomus intraradices, alone and in combination, on the growth parameters, chlorophyll and the root-rot disease of pea (pisum sativum) caused by fusarium solani f.sp. pisi were evaluated under greenhouse conditions. eight different treatments in four replications were designed in randomized blocks. compared w...
Plants commonly live in a symbiotic association with arbuscular mycorrhizal fungi (AMF). They invest photosynthetic products to feed their fungal partners, which, in return, provide mineral nutrients foraged in the soil by their intricate hyphal networks. Intriguingly, AMF can link neighboring plants, forming common mycorrhizal networks (CMNs). What are the terms of trade in such CMNs between p...
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