نتایج جستجو برای: biotrophs
تعداد نتایج: 91 فیلتر نتایج به سال:
Fungi interact directly with trees as biotrophs (obtaining nutrients from living cells/tissues) either parasites or mutualistic mycorrhizas, and as necrotrophs (obtaining nutrition from cells/tissues that they kill). Mycorrhizas are crucial to the health of the vast majority of plants in nature, supplying them with water and mineral nutrients, and protecting against root pathogens. Fungi affect...
Many oomycete and fungal plant pathogens are obligate biotrophs, which extract nutrients only from living plant tissue and cannot grow apart from their hosts. Although these pathogens cause substantial crop losses, little is known about the molecular basis or evolution of obligate biotrophy. Here, we report the genome sequence of the oomycete Hyaloperonospora arabidopsidis (Hpa), an obligate bi...
Pucciniales are an important group of fungal plant pathogens that cause rust diseases in a diverse group of hosts including ecologically and economically important crops and trees. Rust fungi have intriguing and complex life cycles and are obligate biotrophs. Because of their biological features, these fungi are very difficult to study under laboratory conditions. The recent advances in genomic...
Fungal pathogens can secrete hundreds of effectors, some which are known to promote host susceptibility. This biological complexity, together with the lack genetic tools in fungi, presents a substantial challenge develop broad picture mechanisms these use for manipulation. Nevertheless, recent advances understanding individual effector functions beginning flesh out our view fungal pathogenesis....
, Rust fungi are important plant pathogens, infecting taxonomically diverged plant taxa such as angiospermes, gymnospermes and also some pteridophytes. Though members of all families of spermatophytes are infected by rusts, it is interesting that members of the Poaceae, Leguminosae and Compositae are the dominating hosts. Many of the plants are economically important crops such as maize, wheat,...
We report a role for the Arabidopsis (Arabidopsis thaliana) RESURRECTION1 (RST1) gene in plant defense. The rst1 mutant exhibits enhanced susceptibility to the biotrophic fungal pathogen Erysiphe cichoracearum but enhanced resistance to the necrotrophic fungal pathogens Botrytis cinerea and Alternaria brassicicola. RST1 encodes a novel protein that localizes to the plasma membrane and is predic...
Abstract Geminiviruses can infect a wide range of plant hosts worldwide and have hence become an emerging global agroeconomic threat. The association these viruses with satellite molecules highly efficient insect vectors such as whiteflies further prime their devastating impacts. Plants elicit strong antiviral immune response to restrict the invasion destructive pathogens. Phytohormones help pl...
Phytomyxids are a monophyletic group of biotrophs/parasites variety organisms including seagrasses with wide distribution range that includes the Caribbean. The seagrass Halophila stipulacea, native to Indo-Pacific and Red Sea, is known host for phytomyxids in Mediterranean. However, date phytomyxid infection has not been reported H. stipulacea Infection characterized by swelling leaf petioles ...
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