Integrated Dna Technologies, Inc.

Mollie Sue Schubert

Mark Aaron Behlke

Michael Allen Collingwood

Garrett Richard Rettig

Ashley Mae Jacobi

This invention pertains to modified compositions for use in CRISPR systems, and their methods of use. In particular, length-modified and chemically-modified forms of crRNA and tracrRNA are described for use as a reconstituted guide RNA for interaction with Cas9 of CRISPR systems. The resultant length-modified and chemically-modified forms of crRNA and tracrRNA are economical to produce and can be tailored to have unique properties relevant to their biochemical and biological activity in the context of the CRISPR Cas9 endonuclease system.

CRISPR-based compositions and methods of use

This invention pertains to modified compositions for use in CRISPR systems, and their methods of use. In particular, length-modified and chemically-modified forms of crRNA and tracrRNA are described for use as a reconstituted guide RNA for interaction with Cas9 of CRIPSR systems. The resultant length-modified and chemically-modified forms of crRNA and tracrRNA are economical to produce and can be tailored to have unique properties relevant to their biochemical and biological activity in the context of the CRIPSR Cas9 endonuclease system.

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Cedar Rapids, IA, United States of America

Mollie Sue Schubert