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Keyword - CRISPR-cas system evasion by virus (KW-1257)

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Viral protein that inhibits host defense CRISPR-cas system (Clustered Regularly Interspaced Short Palindromic Repeats). The CRISPR-cas system is composed of genomic sensors that allow prokaryotes to acquire DNA fragments from invading viruses and plasmids into the CRISPR locus. These stored fragments (called spacers) are transcribed and processed into small crRNA which are used to destroy matching DNA in future viral and plasmid invasion. Some prokaryotic viruses express specific genes that allow them to evade CRISPR-cas system.


Biological process

Gene Ontology


evasion by virus of CRISPR-cas system [ GO:0098672 ]


Host-virus interactionCRISPR-cas system evasion by virusBiological process
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