class='kwd-title'>Keywords: Campylobacter jejuni'/> Proteomic and genomic analysis reveals novel Campylobacter jejuni outer membrane proteins and potential heterogeneity
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Proteomic and genomic analysis reveals novel Campylobacter jejuni outer membrane proteins and potential heterogeneity

机译:蛋白质组学和基因组分析揭示了空肠弯曲杆菌外膜蛋白和潜在的异质性

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摘要

class="kwd-title">Keywords: Campylobacter jejuni, Proteomics, Outer membrane, Genomics class="head no_bottom_margin" id="abs0015title">AbstractGram-negative bacterial outer membrane proteins play important roles in the interaction of bacteria with their environment including nutrient acquisition, adhesion and invasion, and antibiotic resistance. In this study we identified 47 proteins within the Sarkosyl-insoluble fraction of Campylobacter jejuni 81-176, using LC–ESI-MS/MS. Comparative analysis of outer membrane protein sequences was visualised to reveal protein distribution within a panel of Campylobacter spp., identifying several C. jejuni-specific proteins. Smith–Waterman analyses of C. jejuni homologues revealed high sequence conservation amongst a number of hypothetical proteins, sequence heterogeneity of other proteins and several proteins which are absent in a proportion of strains.
机译:<!-fig ft0-> <!-fig @ position =“ anchor” mode =文章f4-> <!-fig mode =“ anchred” f5-> <!-fig / graphic | fig / alternatives / graphic mode =“ anchored” m1-> class =“ kwd-title”>关键字:空肠弯曲杆菌,蛋白质组学,外膜,基因组学 class =“ head no_bottom_margin” id =“ abs0015title “>摘要革兰氏阴性细菌外膜蛋白在细菌与其周围环境的相互作用中起重要作用,包括营养素的获取,粘附和侵袭以及抗生素抗性。在这项研究中,我们使用LC-ESI-MS / MS在空肠弯曲杆菌81-176的Sarkosyl不溶级分中鉴定出47种蛋白质。可视化外膜蛋白质序列的比较分析以揭示弯曲杆菌属一组内的蛋白质分布,从而鉴定了几种空肠弯曲杆菌特异性蛋白质。 Smith-Waterman对空肠弯曲菌同源物的分析显示,在许多假设的蛋白质,其他蛋白质的序列异质性以及部分菌株中不存在的几种蛋白质中,它们具有高度的序列保守性。

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