Phylogenetic relationships of three amino-acid-utilizing anaerobes, Selenomonas acidaminovorans, 'Selenomonas acidaminophila' and Eubacterium acidaminophilum, as inferred from partial 16S rDNA nucleotide sequences and proposal of Thermanaerovibrio acidaminovorans gen. nov., comb. nov and Anaeromusa acidaminophila gen. nov., comb. nov.

被引:44
作者
Baena, S
Fardeau, ML
Woo, THS
Ollivier, B
Labat, M
Patel, BKC [1 ]
机构
[1] Griffith Univ, Fac Sci, Sch Biomol & Biomed Sci, Brisbane, Qld 4111, Australia
[2] Univ Aix Marseille 1, Lab Microbiol Anaerobies, ORSTOM, CESB,ESIL, F-13288 Marseille 9, France
[3] Univ Javeriana, Dept Biol, Bogota, Colombia
来源
INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY | 1999年 / 49卷
关键词
amino acids; 16S rRNA analysis; Selenomonas; Eubacterium;
D O I
10.1099/00207713-49-3-969
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
16S rRNA gene sequences of three previously described amino-acid-fermenting anaerobes, Selenomonas acidaminovorans, 'Selenomonas acidaminophila' and Eubacterium acidaminophilum, were determined. All three were found to cluster within the Clostridium and related genera of the subphylum of the Gram-positive bacteria. The thermophile, S. acidaminovorans, formed an individual line of descent and was equidistantly placed between Dethiosulfovibrio peptidovorans and Anaerobaculum thermoterrenum (similarity of 85%), both of which also form single lines of descent. 'S. acidaminophila' was related to Clostridium quercicolum, a member of cluster IX, with a similarity of 90%, whereas E. acidaminophilum was closely related to Clostridium litorale (similarity of 96%) as a member of cluster XI. Based on the phylogenetic data presented in this report and the phenotypic descriptions of these bacteria published previously, it is recommended that S. acidaminovorans be transferred to a new genus, Thermanaerovibrio gen. nov., as Thermanaerovibrio acidaminovorans comb. nov. and 'Selenomonas acidaminophila' be transferred to it new genus, Anaeromusa gen, nov., as Anaeromusa acidaminophila comb, nov. Though the transfer of E. acidaminophilum to a new taxon is justified, this is not recommended until the taxonomic status of all the members of cluster XI has been reviewed.
引用
收藏
页码:969 / 974
页数:6
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