Open AccessHespellia stercorisuis gen. nov., sp. nov. and Hespellia porcina sp. nov., isolated from swine manure storage pits
Author(s) -
Terence R. Whitehead,
Michael A. Cotta,
Matthew Collins,
Paul A. Lawson
Publication year - 2004
Publication title -
international journal of systematic and evolutionary microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 173
eISSN - 1466-5034
pISSN - 1466-5026
DOI - 10.1099/ijs.0.02719-0
Subject(s) - biology , 16s ribosomal rna , phylogenetic tree , ribosomal rna , microbiology and biotechnology , strain (injury) , phylogenetics , sequence analysis , botany , bacteria , gene , genetics , anatomy
Four Gram-positive-staining, strictly anaerobic, non-spore-forming, rod-shaped organisms were isolated from a pig manure storage pit. Comparative 16S rRNA gene sequence analysis revealed that the isolates belonged to two related but distinct groups. Sequence analysis showed that the two groups of isolates were highly related to each other (approx. 97% 16S rRNA gene sequence similarity), forming a distinct cluster within the Clostridium coccoides suprageneric rDNA grouping. Biochemical and physiological studies confirmed the division of the isolates into two related, albeit distinct, groups. Based on both phenotypic and phylogenetic evidence, it is proposed that the unidentified rod-shaped isolates from pig manure should be classified in a novel genus, Hespellia gen. nov., as Hespellia stercorisuis sp. nov. and Hespellia porcina sp. nov. The type species of the novel genus is H. stercorisuis (type strain, PC18T=NRRL B-23456T=CCUG 46279T=ATCC BAA-677T) and the type strain of H. porcina is PC80T (=NRRL B-23458T=ATCC BAA-674T).
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