PHYLOGENETIC HETEROGENEITY OF THE GENUS BACILLUS REVEALED BY COMPARATIVE-ANALYSIS OF SMALL-SUBUNIT-RIBOSOMAL RNA SEQUENCES

被引：553

作者：

ASH, C ^{[1
]}

FARROW, JAE ^{[1
]}

WALLBANKS, S ^{[1
]}

COLLINS, MD ^{[1
]}

机构：

[1] INST FOOD RES, DEPT MICROBIOL, READING LAB, READING RG2 9AT, ENGLAND

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1991年 / 13卷 / 04期

关键词：

D O I：

10.1111/j.1472-765X.1991.tb00608.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The small-subunit rRNA sequences of 51 species of Bacillus were determined by reverse transcription to elucidate the phylogenetic structure of the genus. Comparative analysis of the sequence data revealed five phylogenetically distint clusters. Group 1 (Bacillus sensu stricto) included B. subtilis the type species of the genus and 27 other species. Group 2 consisted of B. spharicus and five other bacilli and Sporosarcina ureae clustered within the confines of this group. Group 3 consisted of a phylogenetically coherent group of 10 species whereas groups 4 and 5 comprised two and three species respectively. It is evident that the genus Bacillus in genetically extremely heterogeneous and requires extensive taxonomic revision. The rRNA structures defined in the present study will provide a firm basis for the division of Bacillus into several phylogenetically distinct genera.

引用

页码：202 / 206

页数：5

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