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The biology and type I/III hybrid nature of type I-D CRISPR-Cas systems.


ABSTRACT: Prokaryotes have adaptive defence mechanisms that protect them from mobile genetic elements and viral infection. One defence mechanism is called CRISPR-Cas (clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins). There are six different types of CRISPR-Cas systems and multiple subtypes that vary in composition and mode of action. Type I and III CRISPR-Cas systems utilise multi-protein complexes, which differ in structure, nucleic acid binding and cleaving preference. The type I-D system is a chimera of type I and III systems. Recently, there has been a burst of research on the type I-D CRISPR-Cas system. Here, we review the mechanism, evolution and biotechnological applications of the type I-D CRISPR-Cas system.

SUBMITTER: McBride TM 

PROVIDER: S-EPMC10212523 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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The biology and type I/III hybrid nature of type I-D CRISPR-Cas systems.

McBride Tess M TM   Cameron Shaharn C SC   Fineran Peter C PC   Fagerlund Robert D RD  

The Biochemical journal 20230401 7


Prokaryotes have adaptive defence mechanisms that protect them from mobile genetic elements and viral infection. One defence mechanism is called CRISPR-Cas (clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins). There are six different types of CRISPR-Cas systems and multiple subtypes that vary in composition and mode of action. Type I and III CRISPR-Cas systems utilise multi-protein complexes, which differ in structure, nucleic acid binding and cleaving prefe  ...[more]

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