Phylogenetic positions of Clostridium novyi and Clostridium haemolyticum based on 16S rDNA sequences

被引：27

作者：

Sasaki, Y

Takikawa, N

Kojima, A

Norimatsu, M

Suzuki, S

Tamura, Y

机构：

[1] Natl Vet Assay Lab, Kokubunji, Tokyo 1858511, Japan

[2] Kitasato Inst, Res Ctr Vet Sci, Kitamoto, Saitama 3640026, Japan

[3] Inst Anim Hlth, Newbury RG20 7NN, Berks, England

来源：

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY | 2001年 / 51卷

关键词：

Clostridium novyi types A; B and C; Clostridium haemolyticum; 16S rRNA analysis;

D O I：

10.1099/00207713-51-3-901

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The partial sequences (1465 bp) of the 16S rDNA of Clostridium novyi types A, B and C and Clostridium haemolyticum were determined. C, novyi types A, B and C and C. haemolyticum clustered with Clostridium botulinum types C and D. Moreover, the 16S rDNA sequences of C, novyi type B strains and C, haemolyticum strains were completely identical; they differed by 1 bp (level of similarity > 99.9%) from that of C, novyi type C, they were 98.7% homologous to that of C, novyi type A (relative positions 28-1520 of the Escherichia coli 16S rDNA sequence) and they exhibited a higher similarity to the 16S rDNA sequence of C. botulinum types D and C than to that of C. novyi type A. These results suggest that C, novyi types B and C and C, haemolyticum may be one independent species generated from the same phylogenetic origin.

引用

页码：901 / 904

页数：4

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