Complete genome sequence of the termite hindgut bacterium Spirochaeta coccoides type strain (SPN1(T)), reclassification in the genus Sphaerochaeta as Sphaerochaeta coccoides comb. nov. and emendations of the family Spirochaetaceae and the genus Sphaerochaeta

Published in:

Stand Genomic Sci 6(2) , 194-209 (May 25 2012)

Author(s):

Abt, B., Han, C., Scheuner, C., Lu, M., Lapidus, A., Nolan, M., Lucas, S., Hammon, N., Deshpande, S., Cheng, J. F., Tapia, R., Goodwin, L. A., Pitluck, S., Liolios, K., Pagani, I., Ivanova, N., Mavromatis, K., Mikhailova, N., Huntemann, M., Pati, A., Chen, A., Palaniappan, K., Land, M., Hauser, L., Brambilla, E. M., Rohde, M., Spring, S., Gronow, S., Goker, M., Woyke, T., Bristow, J., Eisen, J. A., Markowitz, V., Hugenholtz, P., Kyrpides, N. C., Klenk, H. P., Detter, J. C.

DOI:

10.4056/sigs.2796069

Abstract:

Spirochaeta coccoides Droge et al. 2006 is a member of the genus Spirochaeta Ehrenberg 1835, one of the oldest named genera within the Bacteria. S. coccoides is an obligately anaerobic, Gram-negative, non-motile, spherical bacterium that was isolated from the hindgut contents of the termite Neotermes castaneus. The species is of interest because it may play an important role in the digestion of breakdown products from cellulose and hemicellulose in the termite gut. Here we provide a taxonomic re-evaluation for strain SPN1(T), and based on physiological and genomic characteristics, we propose its reclassification as a novel species in the genus Sphaerochaeta, a recently published sister group of the Spirochaeta. The 2,227,296 bp long genome of strain SPN1(T) with its 1,866 protein-coding and 58 RNA genes is a part of the Genomic Encyclopedia of Bacteria and Archaea project.

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