Differences in carbon source utilisation distinguish Campylobacter jejuni from Campylobacter coli.

Differences in carbon source utilisation distinguish Campylobacter jejuni from Campylobacter coli.
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DOI:
10.1186/s12866-014-0262-y
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发表时间:
2014-10-28
期刊:
影响因子:
4.2
通讯作者:
Champion OL
Champion OL
中科院分区:
生物学3区
文献类型:
--
作者:
Wagley S;Newcombe J;Laing E;Yusuf E;Sambles CM;Studholme DJ;La Ragione RM;Titball RW;Champion OL

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空肠弯曲菌和C.大肠杆菌是人类肠道病原体,是英国人类细菌性食源性胃肠炎的最常见原因。在这项研究中,我们的目的是了解代谢多样性的两个C。jejuni和C.使用从英国、巴基斯坦和泰国分离的不同临床菌株组,从而代表发达国家和发展中国家。我们的目的是应用多基因组分析和Biolog表型分析来确定C. jejuni和C.大肠杆菌菌株。我们已经确定了一组核心碳源(所有测试菌株都使用)和一组差异性使用的13种C。jejuni和2个C.大肠杆菌菌株。本研究使用多基因组分析表明,丙酸仅被C。测试的大肠杆菌菌株。16 C. coli菌株和42株C.空肠证实了丙酸代谢所需基因的缺失。从我们的分析中,我们已经确定了一种表型方法和两种基于丙酸利用的基因型方法,这些方法可能适用于区分C。jejuni和C.杆菌本文的在线版本(doi:10.1186/s12866-014-0262-y)包含补充材料,可供授权用户使用。
Campylobacter jejuni and C. coli are human intestinal pathogens that are the most frequent causes of bacterial foodborne gastroenteritis in humans in the UK. In this study, we aimed to characterise the metabolic diversity of both C. jejuni and C. coli using a diverse panel of clinical strains isolated from the UK, Pakistan and Thailand, thereby representing both the developed and developing world. Our aim was to apply multi genome analysis and Biolog phenotyping to determine differences in carbon source utilisation by C. jejuni and C. coli strains. We have identified a core set of carbon sources (utilised by all strains tested) and a set that are differentially utilised for a diverse panel of thirteen C. jejuni and two C. coli strains. This study used multi genome analysis to show that propionic acid is utilised only by C. coli strains tested. A broader PCR screen of 16 C. coli strains and 42 C. jejuni confirmed the absence of the genes needed for propanoate metabolism. From our analysis we have identified a phenotypic method and two genotypic methods based on propionic utilisation that might be applicable for distinguishing between C. jejuni and C. coli. The online version of this article (doi:10.1186/s12866-014-0262-y) contains supplementary material, which is available to authorized users.
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