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属的划分 氨基酸身份值不连续的观察，可能是主要灭绝事件的后果，指导将九个种转移到属，十一个种转移到属，三个种转移到新属，nov.，并从临床标本中衍生出新种和新种。

Division of the genus Observation of discontinuities in amino acid identity values, a possible consequence of major extinction events, guides transfer of nine species to the genus , eleven species to the genus , and three species to the genus gen. nov., with description of sp. nov. and sp. nov. derived from clinical specimens.

机构信息

Special Bacteriology Reference Laboratory, Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.

National Collection of Type Cultures, Health Protection Agency, Colindale, London NW9 5EQ, UK.

出版信息

Int J Syst Evol Microbiol. 2020 Aug;70(8):4432-4450. doi: 10.1099/ijsem.0.003935. Epub 2020 Jan 2.

DOI:10.1099/ijsem.0.003935
PMID:32735208
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7660247/
Abstract

The genus in the family is known to be polyphyletic. Amino acid identity (AAI) values were calculated from whole-genome sequences of species of the genus and their distribution was found to be multi-modal. These naturally-occurring non-continuities were leveraged to standardise genus assignment of these species. We speculate that this multi-modal distribution is a consequence of loss of biodiversity during major extinction events, leading to the concept that a bacterial genus corresponds to a set of species that diversified since the Permian extinction. Transfer of nine species (, , and ) to the genus and eleven (, , , , , , , , and ) to the genus is proposed. Two novel species are described: sp. nov. and sp. nov. Evidence is presented to support the assignment of to a genus apart from to which comb nov. also belongs. The novel genus is proposed, to contain the type species comb. nov., along with comb. nov., and comb. nov.

摘要

该属在科中被认为是多系的。从该属物种的全基因组序列中计算出了氨基酸同一性 (AAI) 值，发现其分布呈多峰模式。这些自然发生的非连续性被利用来标准化这些物种的属分配。我们推测这种多峰分布是主要灭绝事件期间生物多样性丧失的结果，导致细菌属对应于自二叠纪灭绝以来多样化的一组物种的概念。建议将 9 个物种（、、、、、、、和）转移到属中，将 11 个物种（、、、、、、、、和）转移到属中。描述了两个新物种：sp. nov. 和 sp. nov. 提出了支持将 分配到一个属，而不是将 分配到与 科属的属，其中还包含 科属。新属 被提议，包含模式种 科属。 nov. 以及 科属。 nov. 和 科属。 nov.

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43f6/7660247/9f1fcd1ee323/ijsem-70-4432-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43f6/7660247/acef9d63acbd/ijsem-70-4432-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43f6/7660247/9f1fcd1ee323/ijsem-70-4432-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43f6/7660247/acef9d63acbd/ijsem-70-4432-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43f6/7660247/9f1fcd1ee323/ijsem-70-4432-g002.jpg

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