Escherichia coli

These are colonies of Escherichia coli bacteria grown on a Hektoen enteric (HE) agar plate medium; colonies of E. coli grown on HE agar display a raised morphology, and are yellow to orange-yellow in coloration. HE agar is the medium designed for the isolation, and recovery of fecal bacteria belonging to the family Enterbacteriaceae. Escherichia […]