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阪崎肠杆菌的分类学：提出新属克罗诺杆菌属（Cronobacter gen. nov.）并描述阪崎克罗诺杆菌（Cronobacter sakazakii comb. nov.）、阪崎克罗诺杆菌阪崎亚种（Cronobacter sakazakii subsp. sakazakii, comb. nov.）、阪崎克罗诺杆菌丙二酸亚种（Cronobacter sakazakii subsp. malonaticus subsp. nov.）、苏黎世克罗诺杆菌（Cronobacter turicensis sp. nov.）、穆氏克罗诺杆菌（Cronobacter muytjensii sp. nov.）、都柏林克罗诺杆菌（Cronobacter dublinensis sp. nov.）和克罗诺杆菌基因组种1。

The taxonomy of Enterobacter sakazakii: proposal of a new genus Cronobacter gen. nov. and descriptions of Cronobacter sakazakii comb. nov. Cronobacter sakazakii subsp. sakazakii, comb. nov., Cronobacter sakazakii subsp. malonaticus subsp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov. and Cronobacter genomospecies 1.

作者信息

Iversen Carol, Lehner Angelika, Mullane Niall, Bidlas Eva, Cleenwerck Ilse, Marugg John, Fanning Séamus, Stephan Roger, Joosten Han

机构信息

Quality and Safety Department, Nestlé Research Centre, Vers-Chez-les-Blanc, Lausanne, Switzerland.

出版信息

BMC Evol Biol. 2007 Apr 17;7:64. doi: 10.1186/1471-2148-7-64.

DOI:10.1186/1471-2148-7-64
PMID:17439656
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1868726/
Abstract

BACKGROUND

Enterobacter sakazakii is an opportunistic pathogen that can cause infections such as necrotizing enterocolitis, bacteraemia, meningitis and brain abscess/lesions. When the species was defined in 1980, 15 biogroups were described and it was suggested that these could represent multiple species. In this study the taxonomic relationship of strains described as E. sakazakii was further investigated.

RESULTS

Strains identified as E. sakazakii were divided into separate groups on the basis of f-AFLP fingerprints, ribopatterns and full-length 16S rRNA gene sequences. DNA-DNA hybridizations revealed five genomospecies. The phenotypic profiles of the genomospecies were determined and biochemical markers identified.

CONCLUSION

This study clarifies the taxonomy of E. sakazakii and proposes a reclassification of these organisms.

摘要

背景

阪崎肠杆菌是一种机会致病菌，可引起坏死性小肠结肠炎、菌血症、脑膜炎和脑脓肿/病变等感染。1980年该菌种被定义时，描述了15个生物群，并认为这些可能代表多个物种。在本研究中，进一步调查了被描述为阪崎肠杆菌的菌株的分类关系。

结果

根据f-AFLP指纹图谱、核糖体图谱和全长16S rRNA基因序列，将鉴定为阪崎肠杆菌的菌株分为不同的组。DNA-DNA杂交揭示了五个基因组种。确定了基因组种的表型特征并鉴定了生化标记。

结论

本研究阐明了阪崎肠杆菌的分类，并对这些微生物提出了重新分类。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/0230670f4aa2/1471-2148-7-64-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/dc730944d22c/1471-2148-7-64-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/0f28f72b61ea/1471-2148-7-64-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/0230670f4aa2/1471-2148-7-64-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/dc730944d22c/1471-2148-7-64-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/0f28f72b61ea/1471-2148-7-64-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e36e/1868726/0230670f4aa2/1471-2148-7-64-3.jpg

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