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The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Identifying and Visualizing Functional PAM Diversity across CRISPR-Cas Systems

Open access
Leenay, Ryan T., Maksimchuk, Kenneth R., Slotkowski, Rebecca A., Agrawal, Roma N., Gomaa, Ahmed A., Briner, Alexandra E., Barrangou, Rodolphe, Beisel, Chase L.·2016·Molecular Cell

Abstract

SUMMARY CRISPR-Cas adaptive immune systems in prokaryotes boast a diversity of protein families and mechanisms of action, where most systems rely on protospacer-adjacent motifs (PAMs) for DNA target recognition. Here, we developed an in vivo, positive, and tunable screen termed PAM-SCANR (PAM screen achieved by NOT-gate repression) to elucidate functional PAMs as well as an interactive visualization scheme termed the PAM wheel to convey individual PAM sequences and their activities. PAM-SCANR and the PAM wheel identified known functional PAMs while revealing complex sequence-activity landscapes for the Bacillus halodurans I-C (Cascade), Escherichia coli I-E (Cascade), Streptococcus thermophilus II-A CRISPR1 (Cas9), and Francisella novicida V-A (Cpf1) systems. The PAM wheel was also readily applicable to existing high-throughput screens and garnered insights into SpyCas9 and SauCas9 PAM diversity. These tools offer powerful means of elucidating and visualizing functional PAMs toward accelerating our ability to understand and exploit the multitude of CRISPR-Cas systems in nature.

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Crossref · 10.1016/j.molcel.2016.02.031

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Metadata

Authors
Leenay, R. T., Maksimchuk, K. R., Slotkowski, R. A., Agrawal, R. N., Gomaa, A. A., Briner, A. E., Barrangou, R., & Beisel, C. L.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2016-04
Volume
62
Issue
1
Pages
137-147
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2327182906
Cited by
336
References
13
FWCI
18.96
Type
journal article
Language
en
Open access
bronze

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