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1 Center of Molecular Biosciences, University of the Ryukyus, Nishihara-cho, Okinawa 903-0213, Japan
2 Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, Tsukuba, Ibaraki 305-8566, Japan
Correspondence
Toru Matsui
tmatsui{at}comb.u-ryukyu.ac.jp
A bacterial strain, designated MS4T, was isolated from soil in the Ryukyu Archipelago, Japan. The bacterium grew with 3-methyl sulfolane as sole sulfur source. Phylogenetic analysis based on 16S rRNA gene sequences suggested that strain MS4T belonged to the genus Shinella; it was closely related to the type strains of Shinella granuli and Shinella zoogloeoides (16S rRNA gene sequence similarities of 98.2 and 96.7 %, respectively). Strain MS4T was a Gram-negative, non-motile, rod-shaped, aerobic bacterium. The major respiratory quinone was ubiquinone-10 and the predominant cellular fatty acid was C18 : 1
7c. The DNA G+C content was 66.4 mol%. Based on phylogenetic and phenotypic traits, it was concluded that the organism represents a novel species in the genus Shinella for which the name Shinella yambaruensis sp. nov. is proposed; the type strain is MS4T (=NBRC 102122T=DSM 18801T).
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