Another resistant bacterium has tormented hundreds of wounded soldiers brought home from Iraq.

FORBES: Germ Warfare

Gore went on to decry corporate decisions to develop herbicide-resistant crops and a bacterium that could prevent commercially crippling frost damage to crops.

FORBES: Magazine Article

For confirmed XDR-TB, in which the bacterium is resistant to the most potent first- and second-line TB medicines, the WHO recommends that a proper combination of any medicine left among those available, dictated by knowledge of susceptibility, should be used.

WSJ: The WHO Supports India's Fight Against MDR-TB �� Letters to the Editor

However, new strains of the bacterium have developed which are increasingly resistant to the antibiotics most commonly used to treat it.

BBC: Indian TB cases 'can't be cured'

Insect-resistant corn containing the BT toxin, derived from a bacterium and used in organic farming, does kill butterflies and other good insects but far less than 1% of them.

FORBES: Green Genes

This bacterium can cause life-threatening intestinal infections in sick patients and is often resistant to antibiotics.

FORBES: Our Germs, Ourselves