Escherichia coli strain FWSEC0542

Escherichia coli strain FWSEC0542 is a Gram-negative, rod-shaped bacterium that typically exists in pairs or as single cells. This strain is classified as a facultative anaerobe, indicating its ability to thrive in both aerobic and anaerobic environments. Optimal growth occurs at 37.0°C, which aligns with the physiological temperature of the mammalian host, suggesting that this strain is well adapted to a host-associated habitat. E. coli strains are widely recognized for their versatility in metabolic pathways, allowing them to exploit a variety of environmental niches, particularly within the gastrointestinal tract of warm-blooded animals. The facultative anaerobic nature of FWSEC0542 enables it to utilize oxygen when available, while also being capable of anaerobic respiration or fermentation, facilitating its survival in fluctuating oxygen conditions often encountered in the host environment. Given its habitat and growth characteristics, E. coli strain FWSEC0542 may play a role in microbial interactions within the host, potentially influencing the local microbiota composition and contributing to the overall health of the host organism. Its adaptability to different oxygen levels and temperature preferences underscores the ecological significance of E. coli in maintaining microbial diversity and functionality in host-associated environments.