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1 Laboratory for Microbiology, Ghent University, K. L. Ledeganckstraat 35, Ghent 9000, Belgium
2 Laboratory for BCCMTM/LMG Bacteria Collection, Ghent University, K. L. Ledeganckstraat 35, Ghent 9000, Belgium
3 College of Marine Life Sciences, Ocean University of Qingdao, 5 Yushan Road, Qingdao 266003, China
4 CIAD/Mazatlán Unit for Aquaculture, AP. 711, Mazatlán, Sinaloa, Mexico 82000
Correspondence
Fabiano L. Thompson
Fabiano.Thompson{at}rug.ac.be
The taxonomic position of the fluorescent amplified fragment length polymorphism fingerprinting groups A46 (five isolates), A51 (six isolates), A52 (five isolates) and A53 (seven isolates) obtained in a previous study were further analysed through a polyphasic approach. The 23 isolates were phylogenetically related to Vibrio splendidus, but DNADNA hybridization experiments proved that they belong to three novel species. Chemotaxonomic and phenotypic analyses further disclosed several features that differentiate between the 23 isolates and known Vibrio species. The names Vibrio kanaloae sp. nov. (type strain LMG 20539T=CAIM 485T; EMBL accession no. AJ316193; G+C content 44·7 mol%), Vibrio pomeroyi sp. nov. (type strain LMG 20537T=CAIM 578T; EMBL accession no. AJ491290; G+C content 44·1 mol%) and Vibrio chagasii sp. nov. (type strain LMG 21353T=CAIM 431T; EMBL accession no. AJ316199; G+C content 44·6 mol%) are respectively proposed to encompass the five isolates of A46, the six isolates of A51 and the 12 isolates of A52/A53. The three novel species can be distinguished from known Vibrio species by several phenotypic features, including utilization and fermentation of various carbon sources,
-galactosidase activity and fatty acid content (particularly of 12 : 0, 14 : 0, 14 : 0 iso and 16 : 0 iso).
Published online ahead of print on 4 October 2002 as DOI 10.1099/ijs.0.02490-0.
The GenBank/EMBL/DDBJ accession numbers for the 16S rDNA sequences of strains LMG 20539T, LMG 21522, LMG 21523, LMG 21353T, LMG 13237, LMG 21354, LMG 20537T, LMG 21351 and LMG 21352 are respectively AJ316193, AJ490153, AJ490154, AJ316199, AJ490157, AJ490158, AJ491290, AJ316197 and AJ490152.
Results of repetitive extragenic palindrome-PCR fingerprinting of V. kanaloae, V. pomeroyi, V. chagasii and the most closely related Vibrio species and variable features/differentiating characteristics for V. kanaloae, V. pomeroyi and V. chagasii are available as supplementary data in IJSEM Online.
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