Bifidobacterium adolescentis strain Km 4

Bifidobacterium adolescentis strain Km 4 is a Gram-positive, non-motile, rod-shaped anaerobe that thrives at an optimal temperature of 37°C, characteristic of mesophilic organisms. This strain is free-living and has been identified in association with several hosts, including Homo sapiens (humans), Bos taurus (cattle), Sus scrofa (pigs), and Oryctolagus cuniculus (rabbits). B. adolescentis strain Km 4 has a unique cellular arrangement, existing predominantly as single cells. It contains one replicon and has a single membrane structure, which is typical of many bacteria in its taxonomic group. Notably, this strain does not form spores, an important trait that influences its survival and ecological interactions. Given its presence in various mammalian hosts, Bifidobacterium adolescentis strain Km 4 likely plays a significant role in the gut microbiota of these animals, contributing to their digestive processes and overall health. The ability of this strain to thrive in a free-living state suggests its importance in maintaining the balance of microbial communities within the gastrointestinal tracts of its hosts. The relationship between B. adolescentis and its hosts underscores the ecological significance of this bacterium in nutrient cycling and host-microbe interactions, which are essential for the health of both the hosts and their environments.