title: Genomic 'valleys of death'.
authors.forename: Stephen
authors.initials: S
authors.lastname: Bentley
mesh_terms: D001419:Bacteria / Q000145:classification / Q000235:genetics*; D003001:Cloning, Molecular; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism; D005798:Genes, Bacterial; D005822:Genetic Vectors; D015698:Genomic Library; D009690:Nucleic Acid Conformation; D017422:Sequence Analysis, DNA