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Int J Syst Evol Microbiol 54 (2004), 241-245; DOI  10.1099/ijs.0.02719-0
© 2004 International Union of Microbiological Societies

Hespellia stercorisuis gen. nov., sp. nov. and Hespellia porcina sp. nov., isolated from swine manure storage pits

Terence R. Whitehead1, Michael A. Cotta1, Matthew D. Collins2 and Paul A. Lawson2

1 Fermentation Biotechnology Research Unit, National Center for Agricultural Utilization Research, USDA, Agricultural Research Service, 1815 N. University Street, Peoria, IL 61604, USA
2 School of Food Biosciences, University of Reading, Reading, RG6 6AP, UK

Correspondence
Terence R. Whitehead
whitehtr{at}ncaur.usda.gov

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).

Abbreviations: ALD, aldehyde; DMA, dimethylacetal; FA, fatty acid; NRRL, Northern Regional Research Laboratory

Published online ahead of print on 1 August 2003 as DOI 10.1099/ijs.0.02719-0.

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains NRRL B-23456T and NRRL B-23458T are AF445264 and AF445239, respectively.






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Copyright © 2004 by the International Union of Microbiological Societies.