E. coli 0157:H7 is a food pathogen with exceptional tolerance to certain stressful growth conditions. RpoS is a master regulator for bacterial stress adaptation and in particular, for acid resistance genes. The role of ...

Bog lakes such as Mary Lake in northern Wisconsin are ideal systems to investigate microbial communities due to easily identified spatial boundaries and well characterized seasonal ecosystem dynamics. Multiple factors are ...

The bacterium Xenorhabdlus nematophila forms a mutualistic relationship with a nematode Steinernema carpocapsae. This association is species specific; S. carpocapsae can only be colonized by X. nematophila, and not by ...