High throughput ANI analysis of 90K prokaryotic genomes reveals clear species boundaries.
High throughput ANI analysis of 90K prokaryotic genomes reveals clear species boundaries.
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对90K核基因组的高通量ANI分析揭示了清晰的物种边界。
DOI:
10.1038/s41467-018-07641-9
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发表时间:
2018-11-30
影响因子:
16.6
通讯作者:
Aluru S
中科院分区:
文献类型:
--
作者:
Jain C;Rodriguez-R LM;Phillippy AM;Konstantinidis KT;Aluru S
A fundamental question in microbiology is whether there is continuum of genetic diversity among genomes, or clear species boundaries prevail instead. Whole-genome similarity metrics such as Average Nucleotide Identity (ANI) help address this question by facilitating high resolution taxonomic analysis of thousands of genomes from diverse phylogenetic lineages. To scale to available genomes and beyond, we present FastANI, a new method to estimate ANI using alignment-free approximate sequence mapping. FastANI is accurate for both finished and draft genomes, and is up to three orders of magnitude faster compared to alignment-based approaches. We leverage FastANI to compute pairwise ANI values among all prokaryotic genomes available in the NCBI database. Our results reveal clear genetic discontinuity, with 99.8% of the total 8 billion genome pairs analyzed conforming to >95% intra-species and <83% inter-species ANI values. This discontinuity is manifested with or without the most frequently sequenced species, and is robust to historic additions in the genome databases. Average Nucleotide Identity (ANI) is a robust and useful measure to gauge genetic relatedness between two genomes. Here, the authors develop FastANI, a method to compute ANI using alignment-free approximate sequence mapping, and show 95% ANI is an accurate threshold for demarcating prokaryotic species by analyzing about 90,000 prokaryotic genomes.
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影响因子:
2.7
作者:
Garrison NL;Rodriguez J;Agnarsson I;Coddington JA;Griswold CE;Hamilton CA;Hedin M;Kocot KM;Ledford JM;Bond JE
通讯作者:
Bond JE
影响因子:
28.3
作者:
Parks, Donovan H.;Rinke, Christian;Tyson, Gene W.
通讯作者:
Tyson, Gene W.
DOI:
10.1098/rstb.2006.1920
发表时间:
2006-11-29
影响因子:
6.3
作者:
Konstantinidis, Konstantinos T.;Ramette, Alban;Tiedje, James M.
通讯作者:
Tiedje, James M.
DOI:
10.1073/pnas.0409727102
发表时间:
2005-02-15
影响因子:
11.1
作者:
Konstantinidis, KT;Tiedje, JM
通讯作者:
Tiedje, JM
DOI:
10.1073/pnas.1015622108
发表时间:
2011-04-26
影响因子:
11.1
作者:
Luo, Chengwei;Walk, Seth T.;Konstantinidis, Konstantinos T.
通讯作者:
Konstantinidis, Konstantinos T.