Actinomarinicola tropica gen. Nov. sp. nov., a new marine actinobacterium of the family iamiaceae, isolated from South China sea sediment environments

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Abstract

A novel marine actinobacterium, strain SCSIO 58843T, was isolated from the sediment sample collected from the South China Sea. Strain SCSIO 58843T was Gram-stain-positive, aerobic and rod shaped. The whole-cell hydrolysis of amino acids contained dd-DAP, alanine, glutamic acid, glycine and aspartic acid. The main menaquinone was MK-9(H8). The major fatty acids were C17:1 ω8c and C17:0. The major phospholipids were diphosphatidylglycerol (DPG), phosphatidylinositol (PI), phospatidylcholine (PC) and phosphatidylinositolmannoside (PIM). The G+C content of the genomic DNA was 72.5%. Phylogenetic analysis of the 16S rRNA gene sequences showed that strain SCSIO 58843T formed a new lineage in the family Iamiaceae and had the highest similarity of 93.8% with Iamia majanohamensis DSM 19957T. Strain SCSIO 58843T can be distinguished from these known genera in the family Iamiaceae by polyphasic data analyses, and represents a novel genus and novel species, for which Actinomarinicola tropica gen. nov., sp. nov is proposed with the type strain SCSIO 58843T(=KCTC 49408T=CGMCC 1.17503T).

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He, Y. Q., Chen, R. W., Li, C., Shi, S. B., Cui, L. Q., Long, L. J., & Tian, X. P. (2020). Actinomarinicola tropica gen. Nov. sp. nov., a new marine actinobacterium of the family iamiaceae, isolated from South China sea sediment environments. International Journal of Systematic and Evolutionary Microbiology, 70(6), 3852–3858. https://doi.org/10.1099/IJSEM.0.004251

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