||Human Homo sapiens
||Hartl DL, Dykhuizen DE. The population genetics of Escherichia coli. Annu Rev Genet. 198418: pp. 36PubMed ID6099090
||Caugant DA, Levin BR, Selander RK. Genetic diversity and temporal variation in the E. coli population of a human host. Genetics. 1981 Jul98(3):467-90.PubMed ID7037535
||Electrophoretic techniques were employed to study variation in chromosomal genes encoding enzymes and in the distribution of cryptic plasmids in the E. coli population of a human host over an 11-month period.
||the particular strains of E. coli present in the intestinal flora of a host change with time