What does the term symbiosis refer to in microbiology?

The term symbiosis in microbiology refers to the interaction between two different organisms living in close physical proximity, often in a long-term relationship. While the definition may suggest living together, it encompasses more specific types of interactions that can include mutualism, commensalism, and parasitism.

In the context of symbiosis, living together implies that the organisms are not just cohabiting but are engaged in some form of interaction that can benefit one or both parties. For example, in mutualistic symbiosis, both organisms benefit from the relationship, as seen in the relationship between certain bacteria in the gut and their host.

It's important to note that while the focus on cohabitation captures part of the essence of symbiosis, the underlying interactions and the consequences of those interactions for both organisms are critical to a full understanding of the term.