نتایج جستجو برای: p syringae pv syringae
تعداد نتایج: 1291409 فیلتر نتایج به سال:
Pseudomonas syringae pv. tomato, the causal agent of bacterial speck of tomato, and the plant growth-promoting bacterium Azospirillum brasilense were inoculated onto tomato plants, either alone, as a mixed culture, or consecutively. The population dynamics in the rhizosphere and foliage, the development of bacterial speck disease, and their effects on plant growth were monitored. When inoculate...
The siderophore and virulence factor yersiniabactin is produced by Pseudomonas syringae. Yersiniabactin was originally detected by high-pressure liquid chromatography (HPLC); commonly used PCR tests proved ineffective. Yersiniabactin production in P. syringae correlated with the possession of irp1 located in a predicted yersiniabactin locus. Three similarly divergent yersiniabactin locus groups...
بادام از قدیمی ترین درختان میوه هسته دار می باشدکه یکی از بیشترین تولیدات خشکبار جهان را به خود اختصاص داده است. شانکر باکتریایی که بوسیله پاتووار های pseudomonas syringae ایجاد می شود یکی از مشکلات جدی باغ های درختان میوه هسته دار می باشد. در این تحقیق طی سال های 1391-1390 نمونه برداری از باغات بادام و در کنار آن درختان میوه هسته دار واقع در مناطق مختلف استان خراسان رضوی صورت گرفت. علائم بیمار...
تنوع ژنتیکی 60 جدایه از باکتری pseudomonas syringae pv. syringae، عامل پوسیدگی باکتریایی غلاف برگ برنج و بلایت باکتریایی برگ گندم، جمع آوری شده از خزانه و مزارع برنج و گندم استان گیلان، با استفاده از نشانگر rapd مورد ارزیابی قرار گرفت. تمامی 60 جدایه طی سال های 1384-1386 در استان گیلان شناسایی شده بودند. جدایه xanthomonas arboricola pv. pruni 2535 cfbp جداشده از آلو از کشور فرانسه به عنوان گروه...
Pseudomonas syringae is the most widespread bacterial pathogen in plants. Several strains of P. syringae produce a phytotoxin, coronatine (COR), which acts as a jasmonic acid mimic and inhibits plant defense responses and contributes to disease symptom development. In this study, we found that COR inhibits early defense responses during nonhost disease resistance. Stomatal closure induced by a ...
To assess the role of MORC1 in epigenetics in relation to plant immunity, genome-wide chromatin accessibility was compared between mock- or Pseudomonas syringae pv. tomato-inoculated wild type (WT) Arabidopsis, the morc1/2 double mutant, or both. Most changes in chromatin accessibility, scored by DNase I hypersensitive sites (DHSs), were located in the promoters of genes and transposable elemen...
The streptomycin resistance gene of Pseudomonas syringae pv. papulans Psp36 was cloned into Escherichia coli and used to develop a 500-bp DNA probe that is specific for streptomycin resistance in P. syringae pv. papulans. The probe is a portion of a 1-kb region shared by three different DNA clones of the resistance gene. In Southern hybridizations, the probe hybridized only with DNA isolated fr...
Pseudomonas syringae pv. lapsa is a pathovar of Pseudomonas syringae that can infect wheat. The complete genome of P. syringae pv. lapsa strain ATCC 10859 contains a 5,918,899-bp circular chromosome with 4,973 coding sequences, 16 rRNAs, 69 tRNAs, and an average GC content of 59.13%. The analysis of this genome revealed several gene clusters that are related to pathogenesis and virulence.
In gram-negative bacteria, transporters belonging to the RND family are the transporters most relevant for resistance to antimicrobial compounds. In Pseudomonas aeruginosa, a clinically important pathogen, the RND-type pump MexAB-OprM has been recognized as one of the major multidrug efflux systems. Here, homologues of MexAB-OprM in the plant pathogens Pseudomonas syringae pv. phaseolicola 1448...
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