Leviviricetes: expanding and restructuring the taxonomy of bacteria-infecting single-stranded RNA viruses.

Leviviricetes: expanding and restructuring the taxonomy of bacteria-infecting single-stranded RNA viruses.
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DOI:
10.1099/mgen.0.000686
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发表时间:
2021-11
期刊:
影响因子:
3.9
通讯作者:
Hill C
Hill C
中科院分区:
生物学2区
文献类型:
--
作者:
Callanan J;Stockdale SR;Adriaenssens EM;Kuhn JH;Rumnieks J;Pallen MJ;Shkoporov AN;Draper LA;Ross RP;Hill C

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绝大多数描述的原核病毒具有双链或单链DNA或双链RNA基因组。直到2020年,只有四种原核单链正义RNA病毒被分为两个属(核糖病毒属; Lenarviricota; Allassoviriculae; Leviviridae)。最近的几项宏基因组学和元转录组学研究揭示了这些病毒在原核土壤群落中的多样性比以往任何时候都要大得多。对这些新发现的病毒的系统发育分析促使Allassoviriculae类(现更名为Leviviriculae)重新组织,包括Norzivirales和Timlovirales两个目,共6科,428属和882种。在这里,我们概述了国际病毒分类学委员会于2021年批准和批准的新分类法,并描述了开放访问的隐马尔可夫模型,以适应数百个(如果不是数千个)额外类别成员的预期识别和未来分类。
The vast majority of described prokaryotic viruses have double-stranded or single-stranded DNA or double-stranded RNA genomes. Until 2020, a mere four prokaryotic single-stranded, positive-sense RNA viruses have been classified in two genera (Riboviria; Lenarviricota; Allassoviricetes; Leviviridae). Several recent metagenomic and metatranscriptomic studies revealed a vastly greater diversity of these viruses in prokaryotic soil communities than ever anticipated. Phylogenetic analysis of these newly discovered viruses prompted the reorganization of class Allassoviricetes, now renamed Leviviricetes, to include two orders, Norzivirales and Timlovirales, and a total of six families, 428 genera and 882 species. Here we outline the new taxonomy of Leviviricetes, approved and ratified in 2021 by the International Committee on Taxonomy of Viruses, and describe open-access hidden Markov models to accommodate the anticipated identification and future classification of hundreds, if not thousands, of additional class members into this new taxonomic framework.
DOI: 10.3390/microorganisms9030524
发表时间: 2021-03-04
期刊: Microorganisms
影响因子: 4.5
作者:
Callanan J;Stockdale SR;Shkoporov A;Draper LA;Ross RP;Hill C
通讯作者: Hill C
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