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Upper limit of variation in strains' genome size within a species

Range	>50 %
Organism	bacteria
Reference	Rocha EP. The replication-related organization of bacterial genomes. Microbiology. 2004 Jun150(Pt 6):1609-27. p.1609 left columnPubMed ID15184548
Primary Source	[1] Bergthorsson, U. & Ochman, H. (1998). Distribution of chromo- some length variation in natural isolates of Escherichia coli . Mol Biol Evol 15 , 6–16 [2] Carlson, C. R. & Kolsto, A. B. (1994). A small Bacillus cereus chromosome corresponds to one conserved region of a larger Bacillus cereus chromosome. Mol Microbiol 13 , 161–169.PubMed ID9491600, 7984090
Comments	"There is also extensive size variation within a species, with strains of some species differing by more than 50 % in genome size (primary sources)."
Entered by	Uri M
ID	110931