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1 DSMZ German Collection of Microorganisms and Cell Cultures, Mascheroder Weg 1b, D-38124 Braunschweig, Germany
2 Centre for Agricultural Landscape and Land Use Research (ZALF), Institute of Primary Production and Microbial Ecology, Gutshof 7, D-14641 Paulinenaue, Germany
3 Centre for Agricultural Landscape and Land Use Research (ZALF), Institute of Primary Production and Microbial Ecology, Eberswalder Straße 84, D-15374 Müncheberg, Germany
4 Biological Resource Centre, Biotechnology Centre, National Institute of Technology and Evaluation (NITE), Kazusa Academia Park, Kisarazu, Chiba 292-0812, Japan
Correspondence
Peter Schumann
psc{at}dsmz.de
Comparative analysis of 16S rDNA sequences revealed a close phylogenetic relationship (99·6 % similarity) between Subtercola pratensis Behrendt et al. 2002 and Agreia bicolorata Evtushenko et al. 2001. The two species were found to share genus-specific chemotaxonomic characteristics such as the occurrence of D-ornithine and L-2,4-diaminobutyric acid in the peptidoglycan and the profile of cellular fatty acids and 1,1-dimethoxy-alkanes. DNADNA relatedness of only 47·8 % and differences in phenotypic features such as the menaquinone profile and oxidase and VogesProskauer reactions confirmed the distinct species status of S. pratensis and A. bicolorata. On the basis of the data from phylogenetic and phenotypic analyses, the reclassification of S. pratensis as Agreia pratensis comb. nov. is proposed. As a result of this reclassification, the two genera are coherent, in that the cell wall composition and 1,1-dimethoxy-alkane spectrum are significant genus-specific characteristics.
Published online ahead of print on 6 June 2003 as DOI 10.1099/ijs.0.02664-0.
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