A host of armor: Prokaryotic immune strategies against mobile genetic elements
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Prokaryotic adaptation is strongly influenced by the horizontal acquisition of beneficial traits via mobile genetic elements (MGEs), such as viruses/bacteriophages and plasmids. However, MGEs can also impose a fitness cost due to their often parasitic nature and differing evolutionary trajectories. In response, prokaryotes have evolved diverse immune mechanisms against MGEs. Recently, our understanding of the abundance and diversity of prokaryotic immune systems has greatly expanded. These defense systems can degrade the invading genetic material, inhibit genome replication, or trigger abortive infection, leading to population protection. In this review, we highlight these strategies, focusing on the most recent discoveries. The study of prokaryotic defenses not only sheds light on microbial evolution but also uncovers novel enzymatic activities with promising biotechnological applications.
Original language | English |
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Article number | 112672 |
Journal | Cell Reports |
Volume | 42 |
Issue number | 7 |
Number of pages | 14 |
ISSN | 2211-1247 |
DOIs | |
Publication status | Published - 2023 |
Bibliographical note
Publisher Copyright:
© 2023 The Author(s)
- abortive infection, CP: Microbiology, mobile genetic element, phage, plasmid, prokaryotic immune systems
Research areas
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