title: Sequential loss of loci in thymine-starved Bacillus subtilis 168 cells. Evidence for a circular chromosome.
mesh_terms: D000225:Adenine / Q000378:metabolism; D001412:Bacillus subtilis / Q000378:metabolism*; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D004261:DNA Replication; D004269:DNA, Bacterial / Q000096:biosynthesis; D007930:Leucine / Q000378:metabolism; D008715:Methionine / Q000378:metabolism; D013941:Thymine; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial; D008715:Methionine; D007930:Leucine; D000225:Adenine; D013941:Thymine