Social behavior is a phenomenal step in evolution. cooperation and communication are very important part of social behavior but important questions in evolution We generally talk about the social behaviors in higher animals and plants which is very prominent. Also, many insects like ants bees are very much developed in their social behavior. But what about the social behavior of supposedly single-cell organisms like bacteria?
Do bacteria have social behavior? Of course, they have, the relatively new field in microbiology study the social behavior of bacteria e.g. it involves how they communicate what they use for communication (biochemical). With more and more study last two decades now we have a certain depth of knowledge about how bacteria use QS signals to communicate with each other and to coordinate their activities. New extraordinary findings have enhanced our understanding of the genetics, genomics, biochemistry, and signal diversity of QS. We are beginning to understand the connections between QS and bacterial sociality and further research will take us to utilize it for many purposes in the medical and industrial field. Here we will not discuss how they exactly communicate but in short, they communicate through various signaling molecules and coordinate their various activities.
Here we will discuss the evolutionary significance of Quorum sensing and interspecies interaction due to quorum sensing. QS is generally seen as signaling between bacterial cells but QS has not only been described between cells of the same species (intraspecies), but also between species (interspecies) and between bacteria and higher organisms (inter-kingdom).
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