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      Aquimarina aggregata sp. nov., isolated from seawater.

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          Abstract

          A novel Gram-stain-negative, agarolytic, rod-shaped, non-flagellated, strictly aerobic strain with gliding motility, designated RZW4-3-2T, was isolated from coastal seawater of the Yellow Sea in China (119.625° E 35.517° N). The organism grew optimally at 28 °C, at pH 7.0 and in the presence of 2.0-3.0 % (w/v) NaCl. The strain required seawater or artificial seawater for growth, and NaCl alone did not support growth. Strain RZW4-3-2T contained MK-6 as the major respiratory quinone and iso-C17 : 0 3-OH, iso-C15 : 0, iso-C15 : 1 G and iso-C15 : 0 3-OH as the dominant fatty acids. The polar lipids of strain RZW4-3-2T comprised phosphatidylethanolamine, five unknown phospholipids and one unknown lipid. The DNA G+C content of strain RZW4-3-2T was 32.3 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that the novel strain was related most closely to Aquimarina pacifica SW150T, Aquimarina macrocephali JCM 15542T and Aquimarina muelleri LMG 22569T with 98.1, 97.4 and 97.1 % sequence similarities, respectively. The estimated DNA-DNA hybridization values were 20.00±2.31 %, 20.70±2.33 % and 20.70±2.32 % between strain RZW4-3-2T and A. pacifica SW150T, A. macrocephali JCM 15542T and A. muelleri LMG 22569T, respectively. On the basis of results of polyphasic analyses, strain RZW4-3-2T represents a novel species of the genus Aquimarina, for which the name Aquimarinaaggregata sp. nov. is proposed. The type strain is RZW4-3-2T (=JCM 30824T=MCCC 1K00698T).

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          Author and article information

          Journal
          Int J Syst Evol Microbiol
          International journal of systematic and evolutionary microbiology
          Microbiology Society
          1466-5034
          1466-5026
          Sep 2016
          : 66
          : 9
          Affiliations
          [1 ] Synthetic Biology Remaking Engineering and Applications Laboratory, School of Life Sciences and Technology, Xinxiang Medical University, 601 Jinsui Avenue, Xinxiang 453003, PR China.
          Article
          10.1099/ijsem.0.001209
          27259860
          bcbdd11a-76dd-450b-afd4-3c2eca514922
          History

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