Universal System for Directed Nucleic Acid Cleavage

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: 1 R43 GM51704-1,
Agency Tracking Number: 25122
Amount: $75,000.00
Phase: Phase I
Program: SBIR
Awards Year: 1994
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
2800 S Fish Hatchery Road, Madison, WI, 53715
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Maryann Brow
 (608) 238-0810
Business Contact
Phone: () -
Research Institution
N/A
Abstract
We will develop a novel system for directed nucleic acid cleavage. This system is based uponour discovery that the 5' nucleases of several thermostable DNA polymerases can be directed to cleaveas site-specific endonucleases. This system will be thermostable, specific, efficient and easilyautomatable, and will find broad application in the fields of nucleic acids-based research and diagnostics.In Phase I we will seek to overcome the most substantial limitation of this technology, its inefficiencyat cleaving long 5' arms. We will examine the effects of reaction constituents and conditions on theefficiency of cleavage of a well-characterized substrate, performing a comprehensive examination of theeffects of different salts, divalent cations, denaturants, buffer pH values, helicases and temperatures.We will also use mutagenesis to alter the protein and influence its interaction with the substratestructure. During Phase II we will optimize the required substrate complex formations and nucleaseinteractions to develop this technology into a generic, directed nucleic acid cleavage system for bothsingle and double stranded nucleic acids.

* Information listed above is at the time of submission. *

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