title: The battle of the SNPs.
authors.forename: Tim
authors.initials: T
authors.lastname: Downing
mesh_terms: D000220:Adaptation, Biological; D004926:Escherichia coli / Q000235:genetics* / Q000502:physiology; D019143:Evolution, Molecular; D056084:Genetic Fitness; D020601:Methylobacterium extorquens / Q000235:genetics* / Q000502:physiology; D017354:Point Mutation; D020641:Polymorphism, Single Nucleotide; D012641:Selection, Genetic