Complete genome sequence of Rhodoferax sp. PAMC 29310 from a marine sediment of the East Siberian Sea
2022
Lee, Yung Mi | Park, Yerin | Kim, HeeSoo | Shin, Seung Chul
Rhodoferax sp. PAMC 29310 was isolated from a surface marine sediment of the East Siberian Sea, Arctic. Whole-genome sequencing of the strain Rhodoferax sp. PAMC 29310 was achieved using PacBio RS II and Illumina platform. The resulting complete genome comprised of 4,593,249 base pairs (G + C content of 58.0%) with a single chromosome, 4546 protein-coding genes, 57 tRNAs and 6 rRNA operons. A complete set of genes encoding the enzymes of glycolysis and citric acid cycle were identified. No genes encoding ribulose 1,5-bisphosphate carboxylase/oxygenase (RuBisCO) and nitrogenase reductase (nif) were present indicating that strain PAMC 29310 is not capable of fixing of carbon and nitrogen. PAMC 29310 genome contains genes for dissimilatory and assimilatory nitrate reduction. Gene encoding choline dehydrogenase enzyme which functions at the first step in the synthesis of betaine, one of the most effective osmoprotectants, was detected. In particular, among the genomes of the genus Rhodoferax strains, gene encoding nitrite reductase (nirK), which reduces nitrite to nitric oxide and tetA gene encoding tetracycline resistance protein involved in the resistance to tetracycline were identified only in the genome of Rhodoferax sp. PAMC 29310. As the first genome from the strain which was isolated from marine sediment in the genus Rhodoferax, investigation of physiological characteristics based on the complete genome sequences will help understand the adaptation of Rhodoferax sp. PAMC 29310 in the marine sediment.
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