title: Saccharomyces cerevisiae cell cycle mutant cdc9 is defective in DNA ligase.
mesh_terms: D002453:Cell Cycle; D011088:DNA Ligases / Q000235:genetics*; D004260:DNA Repair; D004261:DNA Replication; D009154:Mutation; D010641:Phenotype; D011118:Polynucleotide Ligases / Q000235:genetics*; D012441:Saccharomyces cerevisiae / Q000235:genetics*
chemical_list: D011088:DNA Ligases; D011118:Polynucleotide Ligases