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首页> 外文期刊>Plant Disease >Infection by Candidatus Liberibacter solanacearum' haplotypes A and B in Solanum lycopersicum 'Moneymaker'
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Infection by Candidatus Liberibacter solanacearum' haplotypes A and B in Solanum lycopersicum 'Moneymaker'

机译：Candidatus Libibacter Solanacearum'haplotypes A和B在Solanum Lycopersicum'mondmaker'的感染

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'Candidatus Liberibacter solanacearum' is a plant pathogen associated with diseases affecting several crops of the Solanaceae and Apiaceae families. Two 'Ca. L. solanacearum' haplotypes (LsoA and LsoB) infect solanaceous crops in North America and are transmitted by the tomato psyllid Bactericera cockerelli. Although both 'Ca. L. solanacearum' haplotypes cause zebra chip in potato, the diseases associated with each haplotype in tomato (Solanum lycopersicum) have not been described. 'Ca. L. solanacearum'-infected tomato plants exhibit symptoms resembling those of permanent yellowing disease (known in Mexico as "permanente del tomate") and sometimes called psyllid yellows. In this study, the symptoms associated with each 'Ca. L. solanacearum' haplotype in tomato were compared, and the bacterial abundance in different nodes of the plants was measured by quantitative polymerase chain reaction. Surprisingly, both plant phenotype and bacterium distribution were different between LsoA- and LsoB-infected plants. Plants infected with LsoB died prematurely, whereas those infected with LsoA did not. Across the measured time points, LsoB abundance in infected plants was consistent with previous reports describing a sink to source gradient, while such gradient was only observed in LsoA-infected plants early after infection. This is the first report describing the differences in symptoms in tomato associated with two 'Ca. L. solanacearum' haplotypes, LsoA and LsoB.
机译：“Candidatus Libibacter Solanacearum”是一种植物病原体，与影响茄科和艾滋病植物家族的几种作物的疾病相关。两个'加利福尼亚州。 L.Solanacearum'单倍型（LSOA和LSOB）感染北美的溶于溶铀作物，并由番茄囊泡细菌性公鸡传播。虽然两个'加利福尼亚州。 L. Solanacearum的单倍型导致斑马芯片在马铃薯中，尚未描述与番茄（茄属植物霉素）中的每种单倍型相关的疾病。 '加利福尼亚州。 L. Solanacearum'感染的番茄植物表现出类似于永久性的泛黄疾病（墨西哥的墨西哥“的症状），并且有时称为Psyllid黄色。在这项研究中，与每个'CA相关的症状。比较了番茄中的Solanacearum'单倍型，通过定量聚合酶链式反应测量植物不同节点中的细菌丰度。令人惊讶的是，植物表型和细菌分布都不同于LSOA和LSOB感染植物。植物感染了LSOB过早死亡，而那些感染LSOA的人没有。在测量的时间点，感染植物中的LSOB丰度与以前的报告一致地描述了源极梯度的沉积物，而这种梯度仅在感染后早期在LSOA感染的植物中观察到。这是第一份报告，描述了与两个'CA相关的番茄中症状差异的报告。 L. Solanacearum'单倍型，LsoA和Lsob。

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