Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 63, Issue -, Pages 930-933Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.042283-0
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Funding
- Public Welfare Project of the State Oceanic Administration, China [201005032]
- Youth Marine Science Foundation of the State Oceanic Administration, China [2010137]
- National Infrastructure of Natural Resources for Science and Technology Program of China [NIMR-2011-9]
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A taxonomic study was carried out on a novel bacterium, designated strain 3-C-1(T), which was isolated from a crude-oil-degrading consortium produced by enrichment of a sample of surface seawater collected near Xiamen Island in China. Cells of the novel strain were Gram-reaction-negative, oxidase- and catalase-positive, rod-shaped, motile and amphitrichous. Growth was observed with 0-12% (w/v) NaCl and at temperatures of 10-42 degrees C. The novel strain was incapable of nitrate reduction. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 3-C-1(T) belonged to the genus Gallaecimonas and was most closely related to Gallaecimonas pentaromativorans CEE_131(T) (with sequence similarities of 96.5-96.8 %). The gyrB gene sequence of strain 3-C-1(T) was also similar to that of G. pentaromativorans CEE_131(T) (89.4% sequence similarity). The results of PCR-based comparison of repetitive extragenic palindromic elements (Rep-PCR fingerprinting) allowed strain 3-C-1(T) to be distinguished from G. pentaromativorans CEE_131(T). The principal fatty acids of the novel strain were C-16:0, C-12:0 3-OH, summed feature 3 (G(16:1)omega 6c and/or C-16:1 omega 7c) and summed feature 8 (C-18:1 omega 6c and/or C-18:1 omega 7c). The G +C content of the novel strain's genomic DNA was 61.3 mol%. The combined genotypic and phenotypic data indicate that strain 3-C-1(T) represents a novel species of the genus Gallaecimonas, for which the name Gallaecimonas xiamenensis sp. nov. is proposed. The type strain is 3-C-1(T) (=CCTCC AB 209060(T) =LMG 25226(T) =MCCC 1A01 354(T)).
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