نتایج جستجو برای: ochrobactrum oryzae
تعداد نتایج: 5847 فیلتر نتایج به سال:
Rice blast caused by Magnaporthe oryzae is a devastating disease of rice. Mechanisms of rice resistance to blast have been studied extensively, and the rice-M. oryzae pathosystem has become a model for plant-microbe interaction studies. However, the mechanisms of non-host resistance (NHR) to rice blast in other plants remain poorly understood. We found that penetration resistance to M. oryzae i...
The fungus Harpophora oryzae is a close relative of the pathogen Magnaporthe oryzae and a beneficial endosymbiont of wild rice. Here, we show that H. oryzae evolved from a pathogenic ancestor. The overall genomic structures of H. and M. oryzae were found to be similar. However, during interactions with rice, the expression of 11.7% of all genes showed opposing trends in the two fungi, suggestin...
Aspergillus flavus is the main etiological agent for aflatoxin contamination of crops. Its close relative, A. oryzae, does not produce aflatoxins and has been widely used to produce fermented foods. We compared the phylogeny of A. oryzae isolates and L- and S-type sclerotial isolates of A. flavus using single nucleotide polymorphisms in the omtA gene in the aflatoxin biosynthesis gene cluster a...
BACKGROUND The aim of this study was to report an unusual case of chronic postoperative endophthalmitis following cataract surgery, secondary to Ochrobactrum anthropi that was found to be resistant to vancomycin. FINDINGS Anterior chamber paracentesis cultures grew gram negative bacilli Ochrobactrum anthropi. The patient was treated with a series of intracameral injections of moxifloxacin, wi...
Delineating species and epidemic lineages in fungal plant pathogens is critical to our understanding of disease emergence and the structure of fungal biodiversity and also informs international regulatory decisions. Pyricularia oryzae (syn. Magnaporthe oryzae) is a multihost pathogen that infects multiple grasses and cereals, is responsible for the most damaging rice disease (rice blast), and i...
In this issue of Applied and Environmental Microbiology (AEM), we publish a paper by Fenghuan Yang, Fang Tian, Huamin Chen, William Hutchins, Ching-Hong Yang, and Chenyang He from the State Key Laboratory for Biology of Plant Diseases and Insect Pests at the Chinese Academy of Agricultural Sciences and the Department of Biological Sciences at the University of Wisconsin—Milwaukee, reporting on ...
pyricularia oryzae (tel. magnaporthegrisea) is currently used as a fungal model for plantmicrobeinteraction studies as well as an indicative model for anticancer drug discovery. thepresent study introduces the optimal condition in which p. oryzae grows and sporulates beston common culture media. we have considered three fungal culture media, i.e. pda, pca andwa, based on which p. oryzae sporula...
The areA gene of Aspergillus oryzae was cloned by cross-hybridization with the Aspergillus nidulans areA gene and was found to encode an 866-amino-acid protein that is very similar to other fungal nitrogen regulatory proteins. The A. oryzae areA gene can complement A. nidulans areA loss-of-function mutations. Functional analyses indicated that the N-terminal region of the A. oryzae AreA protein...
: سوختگی غلاف در برنج توسط گونه های rhizoctonia ایجاد میشود. در ایران r. solani اهمیت بیشتری داشته و توجه کمتری به دو گونه r. oryzae-sativae و r. oryzae شده است. از پراکنش عوامل سوختگی غلاف (سوختگی غلاف، لکه موجی غلاف، لکه حاشیهای) اطلاع چندانی در دست نمیباشد.
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