1887

Abstract

A Gram-stain-negative, aerobic coccus, designated CK1056, was isolated from coastal sediment of Xiaoshi Island, Weihai, PR China. Strain CK1056 was found to grow at 15–37 °C (optimum, 30 °C), with 0.5–6.5 % (w/v) NaCl (optimum, 3.5 %) and displayed alkaliphilic growth within the pH range of pH 6.5–10.0 (optimum, pH 8.0). The major fatty acids identified were iso-C and summed feature 3 (C 7 and/or C 6). The main polar lipids consisted of aminophosphoglycolipid and phosphatidylethanolamine. The predominant respiratory quinone was MK-7. The G+C content of the genomic DNA was 54.0 mol%. The result of the 16S rRNA gene sequence analysis confirmed the affiliation of this micro-organism to the family , with KCTC 12865 as its closest relative with only 88.0 % sequence similarity. From the taxonomic data obtained in this study, we propose that the new marine isolate be placed into a novel species within a novel genus in the family , phylum , for which the name gen. nov., sp. nov. is proposed. The type strain is CK1056 (=KCTC 72798=MCCC 1H00425).

Funding
This study was supported by the:
  • Zong-Jun Du , Instituto Nacional de Ciência e Tecnologia da Criosfera (BR) , (Award 2019FY100700)
  • Zong-Jun Du , the National Natural Science Foundation of China , (Award 31770002)
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2020-09-15
2020-09-20
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