Bifidobacterium longum subsp. longum 17-1B seq20

Bifidobacterium longum subsp. longum 17-1B seq20 is a Gram-positive, non-sporulating, anaerobic rod that typically occurs in clusters, pairs, or as single cells. This strain is adapted to a host-associated habitat, indicating its prevalence in the gastrointestinal tract of various mammals, where it plays a significant role in gut microbiota composition and function. The optimal growth temperature for this strain is 37.0°C, which aligns with the physiological conditions of the human body, suggesting its specialization for living in a warm host environment. As a member of the Bifidobacterium genus, this strain is likely involved in the fermentation of dietary fibers, producing beneficial short-chain fatty acids that contribute to gut health and may influence the immune system. The anaerobic nature of Bifidobacterium longum subsp. longum 17-1B seq20 suggests a metabolic pathway that thrives in low-oxygen environments, typical of the intestinal niche it occupies. Furthermore, the presence of this strain in the gut microbiome underscores its potential role in maintaining gut homeostasis and possibly modulating host-microbe interactions. Understanding the specific contributions of Bifidobacterium longum subsp. longum 17-1B seq20 to the microbial community dynamics and host health could provide valuable insights into probiotic applications and gut-related health interventions.