Date of divergence between k-12 and B strains and O157:H7 strain

Range ~1.8 Mya
Organism Bacteria Escherichia coli
Reference Elena SF, Whittam TS, Winkworth CL, Riley MA, Lenski RE. Genomic divergence of Escherichia coli strains: evidence for horizontal transfer and variation in mutation rates. Int Microbiol. 2005 Dec8(4):271-8. p.276 right column bottom paragraphPubMed ID16562379
Method Sequences for each gene region were aligned and the resulting alignments were subjected to independent phylogenetic reconstruction by various methods.
Comments Mya=million years ago. For date of divergence between k-12 and O157:H7 strains up to 4.5Mya see Reid et al., 2000 PMID 10894541 abstract.
Entered by Uri M
ID 107085