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Mismatch repair in heteroduplex DNA.
Open accessAbstract
DNA with base pair mismatches was prepared by annealing mixtures of genetically marked DNA from bacteriophage lambda. This heteroduplex DNA was used to transfect bacteria under conditions minimizing recombination. Genetic analysis of the progeny phages indicates that: (i) Mismatch repair occurs, usually giving rise to a DNA molecule with one chain with the genotype arising from repair and one parental chain. (ii) The frequency of repair of a given mismatch to wild type depends on the marker, ranging from 3 to 20%. (iii) Excision tracts may extend several hundred nucleotides but are usually shorter than about 2000 nucleotides. (iv) In Rec-mediated bacteriophage crosses, recombination of markers closer than about 10-3 nucleotide pairs frequently occurs by mismatch repair within heteroduplex DNA. (V) The average amount of heteroduplex DNA formed in a Rec-mediated recombination event is a few thousand nucleotide pairs.
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Cited by
The double-strand-break repair model for recombination
Szostak, J. W., Orr-Weaver, T. L., Rothstein, R. J., & Stahl, F. W. (1983) · Cell · doi:10.1016/0092-8674(83)90331-8 · Cited by 2,437
DNA Mismatch Repair: Functions and Mechanisms
Iyer, R. R., Pluciennik, A., Burdett, V., & Modrich, P. L. (2006) · Chemical Reviews · doi:10.1021/cr0404794 · Cited by 905
MECHANISMS AND BIOLOGICAL EFFECTS OF MISMATCH REPAIR
Modrich, P. (1991) · Annual Review of Genetics · doi:10.1146/annurev.ge.25.120191.001305 · Cited by 892
Methyl-directed repair of DNA base-pair mismatches in vitro.
Lu, A. L., Clark, S., & Modrich, P. (1983) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.80.15.4639 · Cited by 342
Repair tracts in mismatched DNA heteroduplexes.
Wagner, R., & Meselson, M. (1976) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.73.11.4135 · Cited by 301
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Metadata
- Authors
- Wildenberg, J., & Meselson, M.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1975-06
- Volume
- 72
- Issue
- 6
- Pages
- 2202-2206
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2071089844
- Cited by
- 169
- References
- 0
- FWCI
- 4.97
- Type
- journal article
- Language
- en
- Open access
- green
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