University of Toronto researchers have uncovered how bacterial viruses protect their progeny in order to maximize their reach. The phenomenon, described in a study published in Nature, relies on viral proteins to fine-tune structures on the surface of the bacterial host cell and is widely conserved—pointing to a previously unknown parallel between microbial and human immunity.



Summary

University of Toronto researchers have discovered a mechanism used by bacterial viruses to protect their offspring and increase their spread. This protection involves viral proteins that modify structures on the surface of the host bacteria. This fine-tuning is widely observed across different bacterial viruses. The researchers highlight that this process shows a previously unrecognized similarity between microbial and human immune systems, suggesting a fundamental, shared strategy for protection and survival. This study, published in Nature, expands our understanding of viral survival tactics and microbial immunity.

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