Gram-Positive Bacteria Actinomycetes: Gram-positive bacteria that form branching filaments; used to make antibiotics.

Pros Used in sewage treatment Decomposers, breaking down the remains of organic matter in dead plant & animal waste Recyclers, returning nutrients back to the environment Food production: Bacteria help us make buttermilk, sour cream, yogurt, some cheese, sauerkraut and pickles http://www.innvista.com/health/microbes/bacteria/foodprod.htm

Pros Industrial chemical production Help clean up environmental disasters caused by humans, such as chemical & oil spills Useful in genetic engineering (gene splicing) to produce medicines and drugs.

Cons Spoil food Cause odor Some cause illness/disease, death "Toxins" substances released by bacteria the make you ill