HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text Full Text (PDF) Supplementary Figures and Tables Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Maruo, T. Articles by Benno, Y. Search for Related Content PubMed PubMed Citation Articles by Maruo, T. Articles by Benno, Y. Agricola Articles by Maruo, T. Articles by Benno, Y.

Adlercreutzia equolifaciens gen. nov., sp. nov., an equol-producing bacterium isolated from human faeces, and emended description of the genus Eggerthella

¹ Fujicco Co. Ltd, 6-13-4 Minatojima-nakamachi, Chuo-ku, Kobe, Hyogo 650-8558, Japan
² Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

Correspondence
Toshinari Maruo
t-maruo{at}fujicco.co.jp

Nine strains capable of metabolizing isoflavones to equol were isolated from human faeces. Four of the strains were characterized by determining phenotypic and biochemical features and their phylogenetic position based on 16S rRNA gene sequence analysis. These strains were related to Eggerthella sinensis HKU14^T with about 93 % 16S rRNA gene sequence similarity; they were asaccharolytic, obligately anaerobic, non-spore-forming, non-motile and Gram-positive coccobacilli. In enzyme activity tests, arginine dihydrolase, arginine and leucine arylamidases were positive but nitrate reduction, urease and β-glucosidase were negative. The major menaquinone was DMMK-6 (dimethylmenaquinone-6), while that of members of the genus Eggerthella was MMK-6 (methylmenaquinone-6). Furthermore, the cell-wall peptidoglycan type of these strains was A1, while that of members of the genus Eggerthella was A4. On the basis of these data, a new genus, Adlercreutzia gen. nov., is proposed with one species, Adlercreutzia equolifaciens sp. nov. The type strain of Adlercreutzia equolifaciens is FJC-B9^T (=JCM 14793^T =DSM 19450^T =CCUG 54925^T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains FJC-A10, FJC-B9^T, FJC-B20 and FJC-D53 are AB306660–AB306663.

Detailed menaquinone and fatty acid profiles of representative strains and related type strains and minimum-evolution and maximum-parsimony 16S rRNA gene sequence-based trees are available as supplementary material with the online version of this paper.

This article has been cited by other articles:

				T. Clavel, C. Charrier, A. Braune, M. Wenning, M. Blaut, and D. Haller Isolation of bacteria from the ileal mucosa of TNFdeltaARE mice and description of Enterorhabdus mucosicola gen. nov., sp. nov. Int J Syst Evol Microbiol, July 1, 2009; 59(7): 1805 - 1812. [Abstract] [Full Text] [PDF]

				M. Sakamoto, A. Takagaki, K. Matsumoto, Y. Kato, K. Goto, and Y. Benno Butyricimonas synergistica gen. nov., sp. nov. and Butyricimonas virosa sp. nov., butyric acid-producing bacteria in the family 'Porphyromonadaceae' isolated from rat faeces Int J Syst Evol Microbiol, July 1, 2009; 59(7): 1748 - 1753. [Abstract] [Full Text] [PDF]

				D. Wurdemann, B. J. Tindall, R. Pukall, H. Lunsdorf, C. Strompl, T. Namuth, H. Nahrstedt, M. Wos-Oxley, S. Ott, S. Schreiber, et al. Gordonibacter pamelaeae gen. nov., sp. nov., a new member of the Coriobacteriaceae isolated from a patient with Crohn's disease, and reclassification of Eggerthella hongkongensis Lau et al. 2006 as Paraeggerthella hongkongensis gen. nov., comb. nov. Int J Syst Evol Microbiol, June 1, 2009; 59(6): 1405 - 1415. [Abstract] [Full Text] [PDF]

				M. Kim, S.-I. Kim, J. Han, X.-L. Wang, D.-G. Song, and S.-U. Kim Stereospecific Biotransformation of Dihydrodaidzein into (3S)-Equol by the Human Intestinal Bacterium Eggerthella Strain Julong 732 Appl. Envir. Microbiol., May 15, 2009; 75(10): 3062 - 3068. [Abstract] [Full Text] [PDF]

				A. Matthies, M. Blaut, and A. Braune Isolation of a Human Intestinal Bacterium Capable of Daidzein and Genistein Conversion Appl. Envir. Microbiol., March 15, 2009; 75(6): 1740 - 1744. [Abstract] [Full Text] [PDF]

				X.-Y. Zhi, W.-J. Li, and E. Stackebrandt An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa Int J Syst Evol Microbiol, March 1, 2009; 59(3): 589 - 608. [Abstract] [Full Text] [PDF]

				A. Matthies, T. Clavel, M. Gutschow, W. Engst, D. Haller, M. Blaut, and A. Braune Conversion of Daidzein and Genistein by an Anaerobic Bacterium Newly Isolated from the Mouse Intestine Appl. Envir. Microbiol., August 1, 2008; 74(15): 4847 - 4852. [Abstract] [Full Text] [PDF]