Ragonese, H., Haisch, D., Villareal, E., Choi, J.-H. and Matson, S.W.. (2007) The F plasmid-encoded TraM protein stimulates relaxosome-mediated cleavage through an interaction with TraI, Mol. Microbiology 63:1173-1184.

Sikora, B., Eoff, R.L., Matson, S.W. and Raney, K.D. (2006) DNA Unwinding by Escherichia coli DNA Helicase I (TraI) Provides Evidence for a Processive Monomeric Molecular Motor, J. Biol Chem. 281:36110-36116.

Matson, S.W. and Robertson, A.B. (2006) The UvrD Helicase and its Modulation by the Mismatch Repair Protein MutL, Nucleic Acids Res. 34:4089-4097.

Cadman, C.J., Matson, S.W. and McGlynn, P. (2006) Unwinding of forked DNA structures by UvrD, J. Mol. Biol. 362:18-25.

Robertson, A.B., Pattishall, S., Gibbons, E. and Matson, S.W. (2006)  MutL-catalyzed ATP hydrolysis is required at a post-UvrD loading step in methyl-directed mismatch repair, J. Biol. Chem. 281:19949-19959.

Robertson, A., Pattishall, S.R. and Matson, S.W. (2006) The DNA binding activity of MutL is required for methyl-directed mismatch repair in E. coli, J. Biol. Chem. 281:8399-408.

Monroe, D.S. Jr., Leitzel, A.K., Klein, H.L. and Matson, S.W. (2005) Biochemical and genetic characterization of hmi1p, a yeast DNA helicase involved in the maintenance of mitochondrial DNA, Yeast 22:1269-1286.

Machwe, A., Xiao, L., Groden, J., Matson, S.W. and Orren, D.K. (2005) RecQ family members combine strand pairing and unwinding activities to catalyze strand exchange, J. Biol. Chem. J. Biol. Chem. 280: 23397-23407.

Matson, S.W. and Ragonese, H.M. (2005) The F plasmid TraI protein contains three functional domains required for conjugative DNA strand transfer, J. Bacteriol. 187:697-706.

Driscoll, H.C., Matson, S.W., Sayer, J.M., Kroth, H., Jerina, D.M. and Brosh, R.J. (2003) Inhibition of Werner syndrome helicase activity by benzo(c)phenanthrene diol epoxide dA adducts in DNA is both strand and stereoisomer dependent, J. Biol. Chem. 278: 41126-41135.

Matson, S.W. (2003) Dual Engines Moving on Antiparallel Tracks, Nature Structural Biology 10:499-500.

Özsoy, A.Z., Ragonese, H.M. and Matson, S.W. (2003) Analysis of helicase activity and substrate specificity of Drosophila RECQ5, Nuc. Acids Research 31:1554-1564.

Byrd, D.R., Sampson, J.K., Ragonese, H.M. and Matson, S.W. (2002) Structure-function analysis of Escherichia coli DNA helicase I reveals Non-overlapping Transesterase and Helicase Domains, J. Biol. Chem. 277:42645-42653.

Matson, S.W., Sampson, J.A. and Byrd, D.N. (2001) F plasmid conjugative DNA transfer:  The TraI helicase activity is essential for DNA strand transfer J. Biol. Chem. 276: 2372-2379.

Özsoy, Z.A., Sekelsky, J. and Matson, S.W. (2001) Biochemical characterization of the small isoform of Drosophila melanogaster RECQ5 helicase, Nuc. Acids. Research Nuc. Acids Res. 29:2986-2993.

Mechanic, L.E., Frankel, B.A. and Matson, S.W. (2000) Escherichia coli MutL loads DNA helicase II onto DNA, J. Biol. Chem. 275:38337-38346.

Hall, M.C. and Matson, S.W. (1999) The Escherichia coli MutL Protein Physically Interacts with MutH and Stimulates the MutH-associated Endonuclease, J. Biol. Chem. 274:1306-1312.

Mechanic, L.E., Latta, M.E. and Matson, S.W. (1999) A Region Near the C-terminal End of Escherichia coli DNA Helicase II is Required for Single-stranded DNA Binding, J. Bacteriol. 181:2519-2526.

Mechanic, L.E., Hall, M.C. and Matson, S.W. (1999) Escherichia coli DNA Helicase II is Active as a Monomer, J. Biol. Chem. 274:12488-12498.

Hall. M.C. and Matson, S.W. (1999) Helicase Motifs Describe the Engine that Drives DNA Unwinding, Molecular Microbiology 34:867-877.

Hall, M.C., Özsoy, Z. and S.W. Matson (1998) Site-directed Mutations in Motif VI of Escherichia coli DNA Helicase II Result in Multiple Biochemical Defects:  Evidence for the Involvement of Motif VI in the Coupling of ATPase and DNA Binding, J. Mol. Biol. 277:257-271.

Hall, M.C., Jordan, J.R. and Matson, S.W. (1998) Evidence for a Physical Interaction Between the Escherichia coli Mismatch Repair Proteins MutL and UvrD, EMBO J. 17:1535-1541.

Bean, D.W. and Matson, S.W. (1998) Identification and Characterization of DNA Helicases, in Eukaryotic DNA Replication: A Practical Approach, (edited by S. Cotterill) Oxford University Press, pp. 93-117.

Brosh, R.M., Jr. and Matson, S.W. (1997) A Point Mutation in Escherichia coli DNA Helicase II Renders the Enzyme Nonfunctional in Two DNA Repair Pathways:  Evidence for Initiation of Unwinding from a Nick in vivo, J. Biol. Chem. 272:572-579.

Hall, M.C. and S.W. Matson (1997) Mutation of a Highly Conserved Arginine in Motif IV of Escherichia coli DNA Helicase II Results in an ATP-binding Defect, J. Biol. Chem. 272:18614-18620.

Byrd, D.R. and Matson, S.W. (1997) Nicking by Transesterification:  The Reaction Catalyzed by a Relaxase, Molecular Microbiology 25:1011-1022.

Bean, D.W. and Matson, S.W. (1997) Identification of the Gene Encoding scHelI, a DNA helicase from Saccharomyces cerevisiae, Yeast 13:1465-1475.

Nelson, W.C. and Matson, S.W. (1996) The F Plasmid traY Gene Product Binds DNA as a Monomer or a Dimer:  Structural and Functional Implications, Mol. Microbiol. 20:1179-1187.

Brosh, R.M., Jr. and Matson, S.W. (1996) A Partially Functional DNA Helicase II Mutant Defective in Forming Stable Binary Complexes with ATP and DNA :  A Role for Helicase Motif III, J. Biol. Chem. 271:25360-25368.

Mendonca, V.M., Klepin, H.D. and Matson, S.W. (1995) DNA Helicases in Recombination and Repair:  Construction of a uvrD/helD/recQ Mutant Deficient in Recombination and Repair, J. Bacteriol. 177:1326-1335.

Brosh, R.M., Jr. and Matson, S.W. (1995) Mutations in Motif II of Escherichia coli DNA Helicase II Render the Enzyme Non-functional in Both Mismatch Repair and Excision Repair with Differential Effects on the Unwinding Reaction, J. Bacteriol. 177:5612-5621.

Bean, D.W. and Matson, S.W. (1995) DNA substrates used to identify and characterize DNA helicases, Methods in Enzymology, 262:389-405.

Mendonca, V.M. and Matson, S.W. (1995) Genetic Analysis of helD and uvrD Mutations in Combination with Other Genes in the RecF Recombination Pathway in Escherichia coli:  Suppression of a ruvB Mutation by a uvrD Deletion, Genetics 141:443-452.

Nelson, W.C., Howard, M.T., Sherman, J.A. and Matson, S.W. (1995) The traY Gene Product and Integration Host Factor Stimulate Escherichia coli DNA Helicase I-catalyzed Nicking at the F Plasmid oriT, J. Biol. Chem. 270:28374-28380.

Howard, M.T., Nelson, W.C. and Matson, S.W. (1995) Stepwise Assembly of a Relaxosome at the F Plasmid Origin of Transfer, J. Biol. Chem. 270:28381-28386.

George, J.W., Brosh, R.M. Jr. and Matson, S.W. (1994) A dominant negative allele of the Escherichia coli uvrD gene encoding DNA helicase II:  A biochemical and genetic characterization, J. Mol. Biol. 235:424-435.

Matson, S.W., George, J.W. and Bean, D.W. (1994) DNA Helicases:  Enzymes with essential roles in DNA metabolism, BioEssays, 16:13-22.

Howard, M.T., Neece, S.H., Matson, S.W. and Kreuzer, K.N. (1994) Disruption of a Topoisomerase-DNA Cleavage Complex by a DNA Helicase, Proc. Natl. Acad. Sci. USA 91:12031-12035.

Sherman, J.A. and Matson, S.W. (1994) Escherichia coli DNA helicase I Catalyzes a Sequence Specific Cleavage/ligation Reaction at the F Plasmid Origin of Transfer, J. Biol. Chem. 269:26220-26226.

Nelson, W.C., Morton, B.S., Lahue, E.E. and Matson, S.W. (1993) Characterization of the Escherichia coli F factor traY gene product and its binding sites, J. Bacteriol. 175:2221-2228.

Matson, S.W., Nelson, W.C. and Morton, B.S. (1993) Characterization of the reaction product of the oriT nicking reaction catalyzed by Escherichia coli DNA helicase I, J. Bacteriol. 175:2599-2606.

Mendonca, V.M., Kaiser-Rogers, K.A. and Matson, S.W. (1993) Double helicase II (uvrD)-helicase IV (helD) Deletion Mutants are defective in the recombination pathways of Escherichia coli, J. Bacteriol. 175:4641-4651.

Bean, D.W., Kallam, W.E. Jr. and Matson, S.W. (1993) Purification and Characterization of a DNA Helicase from Saccharomyces cerevisiae, J. Biol. Chem. 268:21783-21790.

George, J.W., Ghate, S., Matson, S.W. and Besterman, J.M. (1992) Inhibition of DNA Helicase II Unwinding and ATPase Activities by DNA Interacting Ligands:  Kinetics and Specificity, J. Biol. Chem. 267:10683-10689.

Yancey, J.E., Wood, E.R., George, J.W., Smith, K.R. and Matson, S.W. (1992) Escherichia coli Rep Protein and Helicase IV:  Distributive single-stranded DNA-dependent ATPases That Catalyze a Limited Unwinding Reaction in vitro, Eur. J. Biochemistry 207:479-485.

Yancey-Wrona, J.E. and Matson, S.W. (1992) Bound Lac Repressor Protein Differentially Inhibits the Unwinding Reactions Catalyzed by DNA Helicases, Nucleic Acids Res. 20:6713-6721.

Matson, S.W. (1991) The DNA helicases of Escherichia coli, Prog. in Mol. Biol. and Nuc. Acids Res. 40:289-326.

Yancey, J.E. and Matson, S.W. (1991) The DNA unwinding reaction catalyzed by Escherichia coli Rep protein is facilitated by an RHSP-DNA interaction, Nucleic Acids Res. 19:3943-3951.

Matson, S.W. and Morton, B.S. (1991) DNA Helicase I Catalyzes a Site and Strand-Specific Nicking Reaction at the F Plasmid oriT, J. Biol. Chem. 266:16232-16237.

Kaiser-Rogers, K.A. and Matson, S.W. (1990) DNA Helicases, Annu. Rev. Biochem, 59:289-329.

Lahue, E.E. and Matson, S.W. (1990) Purified Escherichia coli F-factor TraY protein binds oriT, J. Bacteriol. 172:1385-1391.

Smith, K.R., Yancey, J. and Matson, S.W. (1989) Purification and characterization of a protein factor which stimulates the helicase activity of Rep protein, J. Biol. Chem. 264:6119-6126.

Wood, E.R. and Matson, S.W. (1989) The molecular cloning of the gene encoding the Escherichia coli 75-kDa helicase and the determination of its nucleotide sequence and genetic map position, J. Biol. Chem. 264:8297-8303.

Matson, S.W. (1989) Escherichia coli helicase II (uvrD gene product) catalyzes the unwinding of DNA:RNA hybrids in vitro, Proc. Natl. Acad. Sci. USA, 86:4430-4434.

Goetz, G., Dean, F.B., Hurwitz, J. and Matson, S.W. (1988) The unwinding of duplex regions in DNA by the Simian Virus 40 large tumor antigen associated DNA helicase activity, J. Biol. Chem. 263:383-392.

Lahue, E.E. and Matson, S.W. (1988) Escherichia coli DNA helicase I catalyzes a unidirectional and highly processive unwinding reaction, J. Biol. Chem. 263:3208-3215.

Matson, S.W. and George, J.W. (1987) DNA helicase II of Escherichia coli:  Characterization of the single-stranded DNA-dependent NTPase and helicase activities, J. Biol. Chem. 262:2066-2076.

Wood, E.R. and Matson, S.W. (1987) Purification and characterization of a new DNA-dependent ATPase with helicase activity from Escherichia coli, J. Biol. Chem. 262:15269-15276.

Sung, P., Prakash, L., Matson, S.W. and Prakash, S. (1987) The RAD3 protein of Saccharomyces cerevisiae is a DNA helicase, Proc. Natl. Acad. Sci. USA, 84:8951-8955.

Matson, S.W. (1986) Escherichia coli helicase II (uvrD gene product) translocates unidirectionally in a 3' to 5' direction, J. Biol. Chem. 261:10169-10175.