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1 Institute of Molecular and Cellular Biosciences, The University of Tokyo, Yayoi, 1-1-1, Bunkyo-Ku, Tokyo 113-0032, Japan
2 Microbiological and Analytical Group, Food Research Laboratories, Mitsui Norin Co. Ltd, 223-1, Miyahara, Fujieda, Shizuoka 426-0133, Japan
3 Marine Biotechnology Institute Co. Ltd, 3-75-1, Heita, Kamaishi, Iwate 026-0001, Japan
Correspondence
Sun-Young An
an12su{at}hotmail.com
Three strains, 002-048T, RB589 and 002-051T, isolated from field soil in Japan, were characterized using a polyphasic approach. The isolates were Gram-positive, strictly aerobic, non-motile rods that formed ellipsoidal, subterminal endospores. The chemotaxonomic characteristics of these isolates included the presence of meso-diaminopimelic acid as the cell-wall peptidoglycan, anteiso-C15 : 0 and anteiso-C17 : 0 as the major cellular fatty acids and MK-7 as the predominant menaquinone. The DNA G+C content was 4446 mol%. Phylogenetic analyses based on 16S rRNA gene sequences revealed that the isolates represented an independent lineage that is distinct from related taxa and exhibited less than 94.3 % sequence similarity with respect to those taxa. Moreover, a DNADNA hybridization analysis showed that the three isolates represented two species. On the basis of their phenotypic and phylogenetic distinctiveness, the isolates represent two species within a novel genus, for which the names Terribacillus saccharophilus gen. nov., sp. nov. and Terribacillus halophilus sp. nov. are proposed. The type strain of T. saccharophilus is 002-048T (=IAM 15309T=KCTC 13936T) and the type strain of T. halophilus is 002-051T (=IAM 15310T=KCTC 13937T).
The major fatty acids of strains 002-048T, RB589 and 002-051T are listed in a supplementary table available in IJSEM Online.
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