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首页> 外文期刊>Journal of Plant Physiology >Xanthan production by Xanthomonas albilineans infecting sugarcane stalks
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Xanthan production by Xanthomonas albilineans infecting sugarcane stalks

机译:Xanthomonas albilineans生产的黄原胶感染甘蔗茎

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摘要

Xanthomonas albilineans is the causal organism of leaf scald, a bacterial vascular disease of sugarcane. Xanthomonas may invade the parenchyma between the bundles and cause reddened pockets of gum, identified as a xanthan-like polysaccharide. Since xanthan contains glucuronic acid, the ability of Xanthomonas to produce an active UDP glucose dehydrogenase is often seen as a virulence factor. X. albilineans axenically cultured did not secrete xanthans to Willbrink liquid media, but the use of inoculated sugarcane tissues for producing and characterizing xanthans has been required. A hypothesis about the role of sugarcane polysaccharides to assure the production of bacterial xanthan is discussed.
机译:Xanthomonas albilineans是叶片烫伤的病原体,是甘蔗的细菌性血管疾病。黄单胞菌可能侵入束之间的薄壁组织,并导致胶层发红,这被认为是黄原胶样多糖。由于黄原胶中含有葡萄糖醛酸,因此黄单胞菌产生活性UDP葡萄糖脱氢酶的能力通常被视为一种致病因子。进行轴心培养的白双歧杆菌没有将黄原胶分泌到Willbrink液体培养基中,但是需要使用接种的甘蔗组织来生产和表征黄原胶。讨论了关于甘蔗多糖确保细菌黄原胶产生的作用的假说。

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