1887

Abstract

A bacterial strain was isolated from the water of Lake Martel in Mallorca (Spain). The isolate, designated MACL11, was halotolerant and strictly aerobic. The cells were non-motile, non-spore-forming, Gram-negative short rods. Comparative 16S rRNA gene sequence analysis revealed that MACL11 represents a separate line of descent within the order ‘’ of the class ‘’. Strain MACL11 was most closely related to the genera (93·3 % sequence similarity to ), (90·3 % sequence similarity to ) and (90·3 % sequence similarity to ). Chemotaxonomically, strain MACL11 was characterized by the presence of Q-10 as the major respiratory lipoquinone. The major fatty acids detected were C cyclo8, C 7, C and 11-methyl C 7. The G+C content of the DNA was 57·4 mol%. Oxidase and catalase activities were present. Growth with many different carbohydrates as the sole carbon source was observed. The data from this polyphasic study suggest that this bacterium belongs to a novel genus of the order ‘’ and is not associated with any of the known families of this order. It is proposed that isolate MACL11 should be classified in a novel genus and species, gen. nov., sp. nov., with MACL11 (=LMG 22193=CECT 5861) as the type strain.

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2005-03-01
2019-12-05
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