Streptococcus anginosus subsp. whileyi CCUG 39159

Streptococcus anginosus subsp. whileyi CCUG 39159 is a Gram-positive, non-motile cocci bacterium that primarily inhabits the host gut. As a chemoheterotroph, it utilizes organic compounds as its energy source, enabling it to thrive in the complex microbial community of the gastrointestinal tract. This organism is classified as a facultative anaerobe, indicating its ability to grow in both the presence and absence of oxygen, which is advantageous for its survival in varying conditions within the gut environment. With an optimal growth temperature of 37°C, S. anginosus subsp. whileyi is categorized as mesophilic, favoring temperatures typical of the human body. The bacterium possesses a single replicon and is nonsporulating, which suggests a stable genomic structure and a reliance on vegetative growth for reproduction. The presence of flagella, although the organism is described as non-motile, may indicate a reduced or non-functional capability for motility, underscoring its adaptation to a specific niche within the host gut. Overall, the ecological role of Streptococcus anginosus subsp. whileyi CCUG 39159 likely involves contributions to gut microbiota dynamics and host-microbe interactions, which can influence health and disease states within the gastrointestinal system. Understanding this organism's traits is critical for further insights into its potential benefits or pathogenicity in the human host.