نتایج جستجو برای: xanthomonas oryzae pv oryzae
تعداد نتایج: 30098 فیلتر نتایج به سال:
The gram-negative plant-pathogenic bacterium Xanthomonas campestris pv. vesicatoria is the causative agent of bacterial spot disease in pepper and tomato plants, which leads to economically important yield losses. This pathosystem has become a well-established model for studying bacterial infection strategies. Here, we present the whole-genome sequence of the pepper-pathogenic Xanthomonas campe...
Multilocus variable-number tandem-repeat analysis (MLVA) is efficient for routine typing and for investigating the genetic structures of natural microbial populations. Two distinct pathovars of Xanthomonas oryzae can cause significant crop losses in tropical and temperate rice-growing countries. Bacterial leaf streak is caused by X. oryzae pv. oryzicola, and bacterial leaf blight is caused by X...
Innate immunity to microorganisms relies on the specific sensing of pathogen-associated molecules by host recognition receptors. Whereas studies in animals have largely focused on the recognition of extracellular pathogen-associated molecules by the TLR (toll-like receptor) superfamily, few studies have been carried out in plants, and it is not understood how these molecules are secreted or mod...
Bacterial suspension containing 10 colony forming units (cfu) of Xanthomonas oryzae pv. oryzae was used for inoculating detached leaves of 6 commercial rice cultivars In vitro as well as for testing these cultivars in pots in growth chamber conditions by three methods of inoculation i.e., clipping, pin prick and brush respectively. Clipping method resulted in much more lesion length development...
Transcription activator-like effectors (TALEs) are secreted by plant-pathogenic Xanthomonas bacteria into plant cells where they act as transcriptional activators and, hence, are major drivers in reprogramming the plant for the benefit of the pathogen. TALEs possess a highly repetitive DNA-binding domain of typically 34 amino acid (AA) tandem repeats, where AA 12 and 13, termed repeat variable ...
The rice (Oryza sativa) gene Xa27 confers resistance to Xanthomonas oryzae pv oryzae, the causal agent of bacterial blight disease in rice. Sequence analysis of the deduced XA27 protein provides little or no clue to its mode of action, except that a signal-anchor-like sequence is predicted at the amino (N)-terminal region of XA27. As part of an effort to characterize the biochemical function of...
An 8.1-kb DNA fragment from Xanthomonas oryzae pv. oryzae that contains six open reading frames (ORF) was cloned. The ORF encodes proteins similar to flagellar proteins FlhB, FlhA, FlhF, and FliA, plus two proteins of unknown function, ORF234 and ORF319, from Bacillus subtilis and other organisms. These ORF have a similar genomic organization to those of their homologs in other bacteria. Theflh...
Sulfones are one of the most important classes of agricultural fungicides. To discover new lead compounds with high antibacterial activity, a series of new sulfone derivatives were designed and synthesized by introducing the aroxymethyl moiety into the scaffold of 1,3,4-oxadiazole/thiadiazole sulfones. Antibacterial activities against three phytopathogens (Xanthomonas oryzae pv. oryzae, Ralston...
Bacterial Leaf Blight (BLB) is the most devastating disease of rice. This disease can reduce grain production by 20-50% . Xanthomonas oryzae pv. oryzae, the causal agent of bacterial leaf blight (BLB) of rice was characterized through pathogenecity and biochemical assays.The development of resistant cultivars has been the most effective and economical strategy to control bacterial leaf blight (...
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