Dickeya undicola sp. nov., a novel species for pectinolytic isolates from surface waters in Europe and Asia

Oulghazi, Saïd and Pédron, Jacques and Cigna, Jérémy and Lau, Yin Yin and Moumni, Mohieddine and Van Gijsegem, Frédérique and Chan, Kok Gan and Faure, Denis (2019) Dickeya undicola sp. nov., a novel species for pectinolytic isolates from surface waters in Europe and Asia. International Journal of Systematic and Evolutionary Microbiology, 69 (8). pp. 2440-2444. ISSN 1466-5026

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Official URL: https://doi.org/10.1099/ijsem.0.003497

Abstract

Strains 2B12T, FVG1-MFV-O17 and FVG10-MFV-A16 were isolated from fresh water samples collected in Asia and Europe. The nucleotide sequences of the gapA barcodes revealed that all three strains belonged to the same cluster within the genus Dickeya. Using 13 housekeeping genes (fusA, rpoD, rpoS, glyA, purA, groEL, gapA, rplB, leuS, recA, gyrB, infB and secY), multilocus sequence analysis confirmed the existence of a new clade. When the genome sequences of these three isolates and other Dickeya species were compared, the in silico DNA–DNA hybridization and average nucleotide identity values were found to be no more than 45.50 and 91.22 %, respectively. The closest relative species was Dickeya fangzhongdai. Genome comparisons also highlighted genetic traits differentiating the new strains from D. fangzhongdai strains DSM 101947T (=CFBP 8607T) and B16. Phenotypical tests were performed to distinguish the three strains from D. fangzhongdai and other Dickeya species. The name Dickeya undicola sp. nov. is proposed with strain 2B12T (=CFBP 8650T =LMG 30903T) as the type strain. © 2019 IUMS.

Item Type: Article
Uncontrolled Keywords: Dickeya; Enterobacteria; Fresh water; Pectinolytic
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Feb 2020 02:35
Last Modified: 13 Feb 2020 02:35
URI: http://eprints.um.edu.my/id/eprint/23777

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