1.   But late last year it shifted gears, requiring instead that the industry test for E. coli, a harmless bacterium that indicates the presence of hazardous contamination.

2.   By spreading a harmless bacterium, the bees prevent plants becoming infected.

3.   Harmless bacteria coat the skin producing substances that prevent harmful germs from invading.

4.   If people who eat or handle contaminated chicken become infected, the harmless bacteria may pass their genes for drug-resistance to other, dangerous organisms.

5.   Incyte actually inserts its gene fragments into harmless bacteria.

6.   Meanwhile, the Japanese are marketing another home food-poisoning kit although it picks up harmless dead bacteria as well as live ones.

7.   The high levels of harmless bacteria mean the contents must be handled with great care.

8.   Villalon now plans to use a harmless bacteria to transfer compounds that prevent heart disease and cancer to his peppers.

9.   Another approach is microbial interference, or purposely exposing people to harmless bacteria that will crowd out the bad ones.

10.   Anthrax is a usually harmless bacteria that can be fatal to humans in certain forms.