What is a distinguishing characteristic of Plesiomonas shigelloides?

Plesiomonas shigelloides is an organism that is characterized notably by its biochemical tests. One of its key distinguishing features is its ability to ferment glucose, which means it tests positive for glucose utilization. Additionally, Plesiomonas shigelloides tests positive for oxidase, indicating the presence of cytochrome oxidase, which is an enzyme involved in electron transport in certain bacteria.

The combination of glucose positivity and oxidase positivity helps differentiate Plesiomonas shigelloides from other similar enteric microorganisms. This characteristic profile is important in microbiological diagnostics and is often used to identify Plesiomonas shigelloides in clinical specimens, particularly when distinguishing it from other pathogens that may exhibit different metabolic properties.