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首页> 外文期刊>Journal of Plant Pathology >BACTERIAL CANKERS CAUSED BY PSEUDOMONAS SYRINGAE ON STONE FRUIT SPECIES WITH SPECIAL EMPHASIS ON THE PATHOVARS SYRINGAE AND MORSPRUNORUM RACE 1 AND RACE 2
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BACTERIAL CANKERS CAUSED BY PSEUDOMONAS SYRINGAE ON STONE FRUIT SPECIES WITH SPECIAL EMPHASIS ON THE PATHOVARS SYRINGAE AND MORSPRUNORUM RACE 1 AND RACE 2

机译：假单胞菌对斑节果和胚芽第1，第2种族的特殊结实的果树引起的细菌性溃疡病

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摘要

Bacterial canker of stone fruits caused by Pseudomonas syringae pv. syringae and pv. morsprunorum has been studied for a century now and this research brought decisive advances in the understanding of the epidemiology of foliar bacterial diseases and epiphytic stages in the life cycles of plant pathogenic bacteria. The economic importance of the disease and lack of effective control measures stimulated recent studies on the ecology of the pathogens and their characterization and identification. New techniques of identification are based on the ecologically and pathologically important siderophores pyoverdine and yersiniabactine, and phytotoxins including coronatine and toxic lipodepsipeptides. Genetic methods based on total DNA homology, repeated sequences (rep-PCR), melting profiles (PCR MP) and DNA sequencing (MLST) proved the existence of three distinct pathogens: races 1 and 2 of pathovar morsprunorum, each genetically homogenous, and pathovar syringae, highly heterogeneous. In both pathovars, genetic groups differing in their pathogenicity were determined and isolate-host relationships pointed out.
机译：丁香假单胞菌引起的核果细菌性溃疡。丁香和PV。 morsprunorum已经研究了一个世纪，这项研究在理解叶病细菌的流行病学以及植物病原细菌生命周期的附生阶段方面取得了决定性的进展。该病的经济重要性和缺乏有效的控制措施刺激了对病原体生态学及其特征和鉴定的最新研究。鉴定的新技术是基于具有重要生态和病理意义的铁载体吡啶酮和耶尔西半乳糖以及植物毒素，包括冠冕碱和有毒脂双肽。基于总DNA同源性，重复序列（rep-PCR），熔解谱（PCR MP）和DNA测序（MLST）的遗传方法证明存在三种不同的病原体：病原菌的第1和第2种，每种在遗传上是同质的，而病原体是丁香科，高度异质。在这两种病中，确定了其致病性不同的遗传群体，并指出了分离株与宿主的关系。

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