Discovery of widespread type I and type V CRISPR-Cas inhibitors
Author(s) -
Nicole D. Marino,
Jenny Y. Zhang,
Adair L. Borges,
Alexander A. Sousa,
Lina M. León,
Benjamin J. Rauch,
Russell T. Walton,
Joel Berry,
J. Keith Joung,
Benjamin P. Kleinstiver,
Joseph BondyDenomy
Publication year - 2018
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.aau5174
Subject(s) - crispr , type (biology) , computational biology , biology , genetics , gene , ecology
Cas12 inhibitors join the anti-CRISPR family Bacteria and their phages continually coevolve in a molecular arms race. For example, phages use anti-CRISPR proteins to inhibit the bacterial type I and II CRISPR systems (see the Perspective by Koonin and Makarova). Watterset al. and Marinoet al. used bioinformatic and experimental approaches to identify inhibitors of type V CRISPR-Cas12a. Cas12a has been successfully engineered for gene editing and nucleic acid detection. Some of the anti-Cas12a proteins identified in these studies had broad-spectrum inhibitory effects on Cas12a orthologs and could block Cas12a-mediated genome editing in human cells.Science , this issue p.236 , p.240 ; see also p.156
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