DNA polymerase for single molecule DNA sequencing

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 2R44HG002292-02
Amount: $0.00
Phase: Phase I
Program: SBIR
Awards Year: 2001
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
LI-COR, INC.
BOX 4425, 4421 SUPERIOR ST, LINCOLN, NE, 68504
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 JOHN WILLIAMS
 () -
Business Contact
Phone: (402) 467-3576
Email: LYLEM@LICOR.COM
Research Institution
N/A
Abstract
DESCRIPTION (provided by applicant): We are developing a new technology for single molecule DNA sequencing based on the incorporation of dNTPs labeled on the g-phosphate with fluorescent dyes. The label is cleaved from the nucleotide along with pyrophosphate when the nucleotide is incorporated into DNA by a polymerase. The released label is sorted from intact g-dNTPs in a microfluidics system and is identified in real time by single molecule fluorescence detection optics. In this proposal, we develop a novel nucleotide chemistry to enable the sorting scheme and we use directed evolution methods to adapt polymerases for utilization of the g-dNTPs. Single molecule sequencing promises to reduce the cost of DNA sequencing by several orders of magnitude compared to current methods. PROPOSED COMMERCIAL APPLICATIONS: A genomic DNA sequencing technology that reduces cost and eliminates the need for cloning, physical mapping and electrophoresis would have great appeal to both the academic and industrial genomic research communities.

* information listed above is at the time of submission.

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