Bacteroides fragilis str. Korea 419

Bacteroides fragilis strain Korea 419 is a Gram-negative, rod-shaped bacterium that thrives in anaerobic environments. This organism is characterized by its chemoorganotrophic metabolism, utilizing organic compounds as its energy source. It typically exists in a single-cell arrangement and is non-motile, although it possesses flagella. This strain is mesophilic, with an optimal growth temperature of 37°C, which aligns with the physiological conditions found within the human host. As a member of the Bacteroides genus, B. fragilis plays a significant role in the human gut microbiome, contributing to the breakdown of complex carbohydrates and maintaining gut health. Bacteroides fragilis strain Korea 419 has a unique biotic relationship as a free-living organism, highlighting its adaptability in various environments. This bacterium contains a single replicon and has a double membrane structure, consistent with its classification within the Bacteroidetes phylum. The presence of B. fragilis in the gut microbiome is crucial for various ecological functions, including the modulation of the immune system and protection against pathogenic microorganisms. Its ability to thrive in anaerobic conditions and utilize organic substrates underscores its ecological significance in maintaining gut homeostasis. The accession number for this strain is JGDW00000000.1, providing a reference for further genomic and functional studies.