New Genome Sequence Expands Data for Marine Bacterium

Researchers have published the complete genome sequence of Litorivicinus marinus strain IMCC2782^T, a marine heterotrophic bacterium isolated from surface seawater in the Yellow Sea, Republic of Korea. This data note, published in BMC Genomic Data, addresses a significant gap in genomic resources for the genus Litorivicinus, which currently comprises only two validly published species. Prior to this study, genomic data were available exclusively for the type species, Litorivicinus lipolyticus, limiting the scientific community’s ability to understand the taxonomic diversity, metabolic capabilities, and ecological roles of the broader genus.

The study employed a hybrid sequencing approach combining short-read Illumina and long-read PacBio technologies. This methodological choice resulted in a single circular chromosome measuring 2,204,001 base pairs, with a G + C content of 56.07%. The genome annotation process identified 2,196 protein-coding sequences, six rRNA genes, 41 tRNA genes, and one tmRNA gene.

Functional annotation of the genome revealed complete central carbon metabolic pathways, including the Embden–Meyerhof–Parnas pathway, the tricarboxylic acid cycle, and oxidative phosphorylation. These pathways are consistent with an aerobic chemoorganoheterotrophic lifestyle.

Notably, the genome contains a complete soxXYZABCD gene cluster, which suggests the potential for thiosulfate oxidation. In contrast, the analysis identified no pathways for dissimilatory nitrogen metabolism, highlighting specific metabolic limitations of this strain.

The availability of this complete genome sequence expands the limited genomic resources available for the genus Litorivicinus. By providing a detailed genetic map of strain IMCC2782^T, the study offers a foundation for future ecological and functional investigations.

Subject of Research: Complete genome sequence of Litorivicinus marinus strain IMCC2782T

Article Title: Complete genome sequence of Litorivicinus marinus strain IMCC2782T isolated from coastal seawater

Article References: Rajeev, M., Lim, Y., Kang, I., & Cho, J.-C. (2026). Complete genome sequence of Litorivicinus marinus strain IMCC2782T isolated from coastal seawater. BMC Genomic Data, 27(1), Article 63. https://doi.org/10.1186/s12863-026-01461-3

Image Credits: AI Generated

DOI: 10.1186/s12863-026-01461-3

Keywords: genomics, marine bacteria, Litorivicinus marinus, genome sequencing, metabolic pathways, coastal seawater, microbiology, bioinformatics, Complete, genome, sequence, Litorivicinus