They included streptomycin, tetracycline and erythromycin, antibiotics still in use today, though they easily get outflanked by resistant bacterial strains.

FORBES: Germ Warfare

In 1997 Khosla's lab engineered bacteria to make new variants of erythromycin.

FORBES: A Dirty Business

They already have contributed to the development of the antibiotics erythromycin and tetracycline, the cancer chemotherapy drug doxorubicin, Wyeth's transplant drug Rapamune, and Merck's cholesterol-lowering medicine, Mevacor.

FORBES: A Dirty Business