Recombination deficient mutants of E. coli and other bacteria.

Adenosine Triphosphate Alleles Bacillus subtilis/metabolism Cell Division Cell Survival Chromosome Mapping DNA, Bacterial/metabolism Deoxyribonucleases/metabolism Escherichia coli/metabolism,radiation effects Exonucleases/metabolism Genes Genes, Dominant Haemophilus influenzae/metabolism Mutation Radiation Effects Recombination, Genetic Species Specificity Suppression, Genetic Transformation, Genetic Ultraviolet Rays

DNA, Bacterial Adenosine Triphosphate Deoxyribonucleases Exonucleases