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6 results
  1. NLM Digital Collections - Directed Mutagenesis 
    Publication: Annual Reviews, Inc., 1981
    ... these four mutants were used to identify new complementation groups. Instead of an isolated restriction fragment, Volker & Showe ( ... recombination (Gutai & Nathans 1978, wt MARKER MUTANT MARKER | wt CAL = ... 6 Replacement of a wild-type allele by a mutant allele (present on a recombinant ...
  2. NLM Digital Collections - Recombinant DNA Research Guidelines. Draft Environmental Impact Statement 
    Publication: United States Department of Health, Education, and Welfare, 9 September 1976
    ... Con’ as recipients for F, I and T group plasmids when compared to the dap* gal+ ... polA alleles- into strains to block replication of ColE] cloning ...
  3. ... wild-type, lie within the A comple- mentation group of SV40. This conclusion is ... mutation (another tsA allele) occurs within Hind If + III fragment I (0. ...
  4. NLM Digital Collections - AIDS bibliography, 1986-1987 
    Publication: [Bethesda, Md.] : Reference Section, Public Services Division, National Library of Medicine, U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health, 1987
    ... Adv Nephrol 1986;15:329-51 SUBJECT HEADINGS: Alleles/Antigens, Immune Response- GENETICS- IMMUNOLOGY/ Chromosome Mapping/ ♦Chromosomes, ... SUBJECT HEADINGS: Acquired Immunodeficiency Syndrome- ♦FAMILIAL & ... Related Complex-'FAMILIAL & GENETIC-IMMUNOLOGY/ Disease Susceptibility/ ...
  5. ... of procedure would be to introduce choren negative alleles, determining nutritionel requirements. or inability vo ferment particular ... with ‘(-lO0 heterozygous sites (i.e., loci and alleles of Imovwn meiotic conversion frequencies), we could readily ...
  6. NLM Digital Collections - Annual report - National Eye Institute (1980) 
    Publication: [Bethesda, Md.] : National Eye Institute
    ... of IDDM, it is important to identify the allele primarily associated with dia- betes mellitus in humans. ... Valle and his colleagues have developed a genetic complementation assay to test for different mutations which involves ...