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1 Department of Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
2 Department of Applied Biology, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
3 Thailand Institute of Scientific and Technological Research, Pathumthani 12120, Thailand
4 Japan Collection of Microorganisms, RIKEN BioResource Center, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
Correspondence
Somboon Tanasupawat
Somboon.T{at}chula.ac.th
Two strains of strictly aerobic, moderately halophilic Gram-positive rods were isolated from fermented shrimp paste (ka-pi) produced in Thailand. They produced a red pigment and grew optimally in the presence of 530 % NaCl. The diagnostic diamino acid in the cell-wall peptidoglycan was meso-diaminopimelic acid. The predominant menaquinone was MK-7. The major cellular fatty acid was anteiso-C15 : 0. Phosphatidylglycerol, diphosphatidylglycerol and two unidentified glycolipids were found to be the major polar lipid components. The DNA G+C content was 41.241.6 mol%. Comparative 16S rRNA gene sequence analyses showed that strain PN7-6T was most closely related to Lentibacillus salarius KCTC 3911T with 96.5 % sequence similarity. On the basis of phenotypic and molecular properties, the two isolates represent a novel species of the genus Lentibacillus, for which the name Lentibacillus kapialis sp. nov. is proposed. The type strain is PN7-6T (=JCM 12580T=PCU 259T=TISTR 1551T).
A scanning electron micrograph of endospore-containing cells of strain PN7-6T and a table showing strain designations, isolation sources, DNA G+C contents and levels of DNADNA relatedness for strains PN5-2 and PN7-6T and related Lentibacillus species are available as supplementary material in IJSEM Online.
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