Vibrio hispanicus sp. nov., isolated from Artemia sp. and sea water in Spain

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Abstract
Three Gram-negative, small, motile, rod-shaped bacteria were isolated from Artemia sp. and sea water in Barcelona, Spain, during 1990 and 1991. They were fermentative, oxidase-positive, sensitive to vibriostatic agent O/129, arginine dihydrolase-positive, lysine and ornithine decarboxylase-negative and grew in the absence of NaCl. They differed from phenotypically related species by their ability to grow at 4 °C and utilize l-rhamnose. Cloning of the 16S rRNA gene of the type strain produced two different 16S rRNA gene sequences, which differed by 15 bases (0·99 %); comparison of these sequences with those deposited in GenBank showed close relationships with Vibrio proteolyticus (97·6 % similarity), Vibrio diazotrophicus (97·9 %), Vibrio campbellii (96·8 %) and Vibrio alginolyticus (96·8 %), among others. DNA–DNA hybridization levels with the closest phylogenetically related Vibrio species were Vibrio, for which the name Vibrio hispanicus sp. nov. is proposed, with the type strain LMG 13240T (=CAIM 525T=VIB 213T).

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