نتایج جستجو برای: r solanacearum
تعداد نتایج: 448124 فیلتر نتایج به سال:
UNLABELLED Plants use the signaling molecule salicylic acid (SA) to trigger defenses against diverse pathogens, including the bacterial wilt pathogen Ralstonia solanacearum SA can also inhibit microbial growth. Most sequenced strains of the heterogeneous R. solanacearum species complex can degrade SA via gentisic acid to pyruvate and fumarate. R. solanacearum strain GMI1000 expresses this SA de...
Bacterial wilt of potatoes-also called brown rot-is a devastating disease caused by the vascular pathogen Ralstonia solanacearum that leads to significant yield loss. As in other plant-pathogen interactions, the first contacts established between the bacterium and the plant largely condition the disease outcome. Here, we studied the transcriptome of R. solanacearum UY031 early after infection i...
We investigated a destructive pathogenic variant of the plant pathogen Ralstonia solanacearum that was consistently isolated in Martinique (French West Indies). Since the 1960s, bacterial wilt of solanaceous crops in Martinique has been caused primarily by strains of R. solanacearum that belong to either phylotype I or phylotype II. Since 1999, anthurium shade houses have been dramatically affe...
Tomato plant waste (TPW) was used as the feedstock of a batch anaerobic reactor to evaluate the effect of anaerobic digestion on Ralstonia solanacearum and Phytophthora capsici survival. Batch experiments were carried out for TS (total solid) concentrations of 2%, 4% and 6% respectively, at mesophilic (37±1°C) and room (20-25°C) temperatures. Results showed that higher digestion performance was...
WRKY proteins form a large family of plant transcription factors implicated in the modulation of numerous biological processes, such as growth, development and responses to various environmental stresses. However, the roles of the majority WRKY family members, especially in non-model plants, remain poorly understood. We identified CaWRKY40 from pepper. Transient expression in onion epidermal ce...
Bacterial wilt in ginger (Zingiber officinale Rosc.) caused by Ralstonia solanacearum is one of the most important production constraints in tropical, sub-tropical and warm temperature regions of the world. Lack of resistant genotype adds constraints to the crop management. However, mango ginger (Curcuma amada Roxb.), which is resistant to R. solanacearum, is a potential donor, if the exact mec...
BACKGROUND Plant fungi (e.g., Pellicularia sasakii, Gibberella zeae, Fusarium oxysporum, and Cytospora mandshurica and Phytophthora infestans) and bacteria (e.g., Ralstonia solanacearum) are extremely difficult to manage in agricultural production. The high incidence of plant mortality and the lack of effective control methods make P. sasakii and R. solanacearum two of the world's most destruct...
Regulation Involved in Colonization of Intercellular Spaces of Host Plants in Ralstonia solanacearum
A soil-borne bacterium Ralstonia solanacearum invading plant roots first colonizes the intercellular spaces of the root, and eventually enters xylem vessels, where it replicates at high levels leading to wilting symptoms. After invasion into intercellular spaces, R. solanacearum strain OE1-1 attaches to host cells and expression of the hrp genes encoding components of the type III secretion sys...
بیماری پژمردگی باکتریایی یا پوسیدگی قهوه ای سیب زمینی یکی از مهم ترین بیماری های خاکزاد سیب زمینی از نظر گسترش و میزان خسارت می باشد. عامل بیماری نژاد3 /بیوار 2 باکتریralstonia solanacearum است. امروزه کنترل بیماری های گیاهی با روش های سازگار با محیط زیست از اهداف مهم متخصصین علم بیماری شناسی گیاهی است. به منظور کنترل بیماری یاد شده، از مناطق سیب زمینی کاری منطقه جیرفت (جنوب استان کرمان) بازدید...
Ralstonia solanacearum is a very destructive pathogen that causes wilt in potato and many other solanacean crops in Ethiopia. In order to select effective antagonistic biocontrol agents for R. solanacearum strains, it is necessary to characterize the population of pathogenic strains. Therefore, 62 strains collected from wilted potato, tomato and pepper plants and potato tubers from the major po...
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