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- Title
Paracoccus siganidrum sp. nov., isolated from fish gastrointestinal tract.
- Authors
Liu, Ying; Xie, Qing-yi; Hong, Kui; Li, Lei; Zhao, Ya-mei; Tang, Yi-li; An, Jun-ying; Zhu, Ping-ping; Xu, Chun-hou
- Abstract
A bacterial strain, designated M26, was isolated from a fish gastrointestinal tract, collected from Zhanjiang Port, South China. 16S rRNA gene sequence analysis indicated that strain M26 belongs to the subclass α-Proteobacteria, being related to the genus Paracoccus, and sharing highest sequence similarity with Paracoccus alcaliphilus JCM 7364 (98.1 %), Paracoccus huijuniae FLN-7 (97.3 %), Paracoccus stylophorae KTW-16 (97.1 %) and Paracoccus seriniphilus DSM 14827 (96.9 %). The major quinone was determined to be ubiquinone Q-10, with Q-9 and Q-8 as minor components. The major fatty acid was identified as Cω7c, with smaller amounts of C and C. The G+C content of the genomic DNA was determined to be 64.3 mol%. The DNA hybridization value between strain M26 and the most closely related type strain, P. alcaliphilus, was 29.0 ± 1.0 %. The results of physiological and biochemical tests and low DNA-DNA relatedness showed that the strain could be readily distinguished from closely related species. On the basis of these phenotypic and genotypic data, strain M26 is concluded to represent a novel species of the genus Paracoccus, for which the name Paracoccus siganidrum sp. nov. is proposed. The type strain is M26 (=CCTCC AB 2012865 = DSM 26381).
- Subjects
CHINA; PARACOCCUS (Proteobacteria); GASTROINTESTINAL system; FISHES; NUCLEIC acid hybridization; DNA
- Publication
Antonie van Leeuwenhoek, 2013, Vol 103, Issue 5, p1133
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-013-9894-4