Gong, Xiaodong Comparative analysis of essential genes and nonessential genes in Escherichia coli K12. [electronic resource] - Molecular genetics and genomics : MGG Jan 2008 - 87-94 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1617-4615 Standard No.: 10.1007/s00438-007-0298-x doi Subjects--Topical Terms: Amino Acids--analysisEscherichia coli K12--geneticsEscherichia coli Proteins--chemistryEvolution, MolecularGenes, BacterialModels, Genetic