1887

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 71, Issue 8

sp. nov. and sp. nov., two marine bacteria isolated from offshore areas near Weihai No Access

Abstract

Two bacterial strains, designated SS33 and Y03, were isolated from marine sediment and marine red alga collected on the coast of Weihai, PR China. Based on the results of 16S rRNA gene sequence analysis, strain SS33 was found to be closely related to PX7, YLY04, DSM 26347 and GH1-23 with 94.8, 94.6, 94.5 and 94.5 % sequence similarity; strain Y03 was found to be closest to EC2D5, ECD14 and JC2681 with 96.4, 96.1 and 96.0 % sequence similarity. Strain SS33 grew at 4–37 °C (optimum, 33 °C), at pH 6.0–9.5 (optimum, pH 7.5–8.0) and in the presence of 0–10 % (w/v) NaCl (optimum, 3.0 %). Chemotaxonomic analysis of strain SS33 showed that the predominant respiratory quinone was ubiquinone-10. The major fatty acids (>10.0 %) included C 7 and C. The major polar lipids included phosphatidylglycerol, phosphatidylcholine, one unidentified phospholipid, one unidentified glycolipid, one unidentified polar lipid and two unidentified aminolipids. Strain Y03 grew at 15–40 °C (optimum, 28 °C), at pH 6.5–8.0 (optimum, pH 7.0) and in the presence of 0.5–9.0 % (w/v) NaCl (optimum, 2.0%). Chemotaxonomic analysis showed that the predominant respiratory quinone was menaquinone-6. The major fatty acids (>10.0 %) included iso-C, iso-C G, iso-C 3-OH and iso-C 3-OH. The major polar lipids included phosphatidylethanolamine, one unidentified phospholipid, one unidentified aminolipid and four unidentified polar lipids. Based on the polyphasic data, strain SS33 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed, with the type strain SS33 (=KCTC 62986=MCCC 1H00387). Strain Y03 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed, with the type strain Y03 (=KCTC 72001=MCCC 1H00386).

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Keyword(s): 16S rRNA gene , draft genome , Flavivirga algicola , Palleronia sediminis , polyphasic taxonomy and Rhodobacteraceae
Funding
This study was supported by the:
  • National Science and Technology Fundamental Resources Investigation Program of China (Award 2019FY100700)
    • Principle Award Recipient: DuZong-Jun
  • The National Natural Science Foundation of China (Award 32070002, 31770002)
    • Principle Award Recipient: DuZong-Jun
© 2021 The Authors
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2021-08-09
2024-04-24
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Palleronia sediminis sp. nov. and Flavivirga algicola sp. nov., two marine bacteria isolated from offshore areas near Weihai
Int J Syst Evol Microbiol 71, 004949 (2021); https://doi.org/10.1099/ijsem.0.004949
/content/journal/ijsem/10.1099/ijsem.0.004949
/content/journal/ijsem/10.1099/ijsem.0.004949
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