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首页> 外文期刊>Genome Biology and Evolution >Complete Genome Sequence of Streptococcus ruminantium sp. nov. GUT-187T (=DSM 104980T =JCM 31869T), the Type Strain of S. ruminantium, and Comparison with Genome Sequences of Streptococcus suis Strains
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Complete Genome Sequence of Streptococcus ruminantium sp. nov. GUT-187T (=DSM 104980T =JCM 31869T), the Type Strain of S. ruminantium, and Comparison with Genome Sequences of Streptococcus suis Strains

机译：反刍动物链球菌完整基因组序列。十一月GUT-187T（= DSM 104980T = JCM 31869T），反刍链球菌的菌株及其与猪链球菌菌株的基因组序列比较

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Streptococcus ruminantium sp. nov. of type strain GUT-187T, previously classified as Streptococcus suis serotype 33, is a recently described novel streptococcal species. This study was designed to determine the complete genome sequence of S. ruminantium GUT-187T using a combination of Oxford Nanopore and the Illumina platform, and to compare this sequence with the genomes of 27 S. suis representative strains. The genome of GUT-187T was 2,090,539?bp in size, with a GC content of 40.01%. This genome contained 1,961 predicted protein coding DNA sequences (CDSs); of these, 1,685 (85.9%) showed similarity with S. suis CDSs. Of the remaining 276 CDSs, 81 (29.3%) showed some degree of similarity with CDSs of other streptococcal species. The genome of GUT-187T contained no intact prophage. The numbers of prophages and CRISPR spacers, as well as the presence or absence of genes encoding CRISPR-associated proteins, differed in S. ruminantium and S. suis. A phylogenetic analysis indicates that GUT-187T may be outgroup to the S. suis strains in our sample, thereby justifying its classification as distinct species. Gene mapping indicated 10.2 times of massive genome rearrangements in average occurred between S. ruminantium and S. suis. There was no significant statistical difference in clusters of orthologous group distribution between S. ruminantium and S. suis.
机译：反刍动物链球菌十一月最近被分类为猪链球菌血清型33的GUT-187T型菌株是最近描述的新型链球菌。这项研究旨在使用牛津纳米孔和Illumina平台的组合来确定反刍葡萄球菌GUT-187T的完整基因组序列，并将该序列与27个猪链球菌代表菌株的基因组进行比较。 GUT-187T的基因组大小为2,090,539？bp，GC含量为40.01％。该基因组包含1,961个预测的蛋白质编码DNA序列（CDS）;其中1,685（85.9％）个与猪链球菌CDS相似。在其余的276个CDS中，有81个（29.3％）与其他链球菌物种的CDS表现出一定程度的相似性。 GUT-187T的基因组不包含完整的噬菌体。在瘤胃链球菌和猪链球菌中，噬菌体和CRISPR间隔子的数量，以及是否存在编码与CRISPR相关的蛋白质的基因，都不同。系统发育分析表明，在我们的样品中，GUT-187T可能与猪链球菌菌株不在同一组，从而证明其被归类为不同的物种。基因作图表明，反刍动物和猪链球菌平均发生大规模基因组重排的10.2倍。反刍动物和猪链球菌的直系同源群分布簇之间没有统计学差异。

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