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1 Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka-city, Fukuoka, 812-8582, Japan
2 Motobu Noge Hospital, 880-1 Ohama, Motobu-cho, Kunigami-gun, Okinawa, 905-0212, Japan
3 Department of Microbiology, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu-city, Gifu, 501-1194, Japan
Correspondence
Ken-ichiro Iida
iida{at}bact.med.kyushu-u.ac.jp
A novel bacterial strain, MC10T, was isolated from a compost sample produced in a composting machine utilizing soil from Motobu-town, Okinawa, Japan. The isolate was Gram-negative, but produced endospores. These conflicting characters prompted a taxonomic study of the isolate. The isolate was examined using a combination of phenotypic characterization, cellular fatty acid analysis, DNA base composition determination and 16S rRNA gene sequence analysis. Phylogenetic analysis, based on 16S rRNA gene sequence comparisons, placed strain MC10T within the genus Paenibacillus. As in other Paenibacillus species, the isolate contained anteiso-C15 : 0 as the major fatty acid and the DNA G+C content was 47·0 mol%. However, 16S rRNA gene sequence similarity values of less than 95·6 % were found between this isolate and all members of the genus Paenibacillus. Based upon these results, strain MC10T (=GTC 1835T=JCM 12774T=CCUG 50090T) should be designated as the type strain of a novel species within the genus Paenibacillus, Paenibacillus motobuensis sp. nov.
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain MC10T is AY741810
A table of 16S rRNA gene sequence similarities between MC10T and several Paenibacillus species, a transmission electron micrograph showing flagella and an expanded phylogenetic tree are available as supplementary material in IJSEM Online.
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