1887

Abstract

During a study of the ‘tunta’ (frozen-dry potato) production process in Peru, a bacterial strain, LMT03, was isolated from the straw grass in which the potatoes are dried. This strain was classified into the genus on the basis of the 16S rRNA gene sequence analysis, and is most closely related to CH01 with 99.3 % identity in this gene and 96 %, 92 % and 86 % identities in , and genes, respectively. Strain LMT03 has a single polar flagellum, like other related yellow-pigment-producing pseudomonads. The major quinone is Q-9. The major fatty acids are Cω7 in summed feature 8 (40.82 %), Cω6/Cω6c in summed feature 3 (23.72 %) and C (15.20 %). The strain produces oxidase but it does not produce gelatinase, indole, urease, arginine dihydrolase or β-galactosidase. Catalase production was very weak after 28 and 48 h incubation on nutrient agar medium. Nitrate reduction is negative. It does not hydrolyse aesculin. The DNA G+C content is 57.8 mol%. DNA–DNA hybridization results showed lower than 52 % relatedness with respect to the type strain of , CH01. These results, together with other phenotypic characteristics, support the definition of a novel species within the genus , for which the name sp. nov. is proposed. The type strain is LMT03 ( = LMG 26839 = CECT 8089).

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2013-05-01
2019-09-22
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