Escherichia coli str. S17-1

Escherichia coli str. S17-1 is a Gram-negative, rod-shaped bacterium that typically exists in pairs or as single cells. This strain thrives optimally at 37.0°C, which aligns with the average body temperature of warm-blooded hosts, underscoring its adaptation to a host-associated habitat. E. coli str. S17-1 is classified as a facultative anaerobe, indicating its ability to grow in both aerobic and anaerobic environments, which allows it to occupy various niches within a host organism. The versatility of E. coli str. S17-1 in utilizing different metabolic pathways depending on the availability of oxygen suggests a robust adaptability to fluctuating environmental conditions within its host. This adaptability may facilitate its survival and proliferation in diverse physiological environments, ranging from the intestinal tract to other tissues where oxygen levels can vary. Understanding the traits of E. coli str. S17-1 can provide insights into the complex interactions that this bacterium may have with its host, as well as its potential roles in microbial communities. The ability to thrive at 37.0°C and to utilize both oxygen-rich and oxygen-poor conditions highlights the potential for E. coli str. S17-1 to play a significant role in the metabolic processes occurring within the host, contributing to the overall homeostasis of the microbial ecosystem.