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Selected Bacteria of Industrial Importance

Pseudomonas 
Pseudomonas are aerobic organisms. They are Gram negative rods. They are usually infectors of wounds and burns. They also cause pneumonia in patients on immunosuppressive drug, In cosmetics, the organism have been implicated in eye infections and loss of sight. A contaminated water system in0 manufacturing plant has usually been found the source of the organism. 
 
Escherichia 
E.coli are aerobic Gram negative bacilli and can cause gastroenteritis or urinary tract infections. This organism can be found in the water system that are older or have corrosion in the pipes. 
 
Serratia 
Serratia has been found a contaminant of disinfectants and surfactants. In a manufacturing plant, the source to consider first is stagnant product in the system. 
 
Enterobacter 
This organism is aerobic Gram negative rod. Generally they are not pathogenic unless are found in the blood stream . They can be isolated from contaminated surfactants and particularly quaternary-containing conditioners. It is a typical contaminant in households and can grow in poorly preserved products. 
 
Klebsiella 
The organism is nonmotile aerobic Gram negative rods, and are very widespread in the environment. They are pathogenic organisms. Klebsiella pneumoniae causes severe pneumonia in people. Klebsiella is found in household products and can contaminate cosmetics during consumer use 
 
Proteus 
They are motile, aerobic Gram negative rods and can cause urinary tract infections. Its presence would indicate either contamination of raw material like surfactants or use of highly contaminated water. 
 
Staphylococci 
These organisms are non motile Gram positive cocci. Their presence in the cosmetics indicates human contamination.  S. aureus is pathogenic organism . 
 
Streptococci 
Streptococci are Gram positive cocci. It is very rarely found in cosmetic products unless contamination caused by contaminated hand or lack of good sanitary practices. They are pathogenic organisms and cause a variety of infections.
 
Bacillus 
Bacillus are Gram positive rods and are spore forming organism and continuously disperse spores into water and plants. In the cosmetic industry , some of the more common raw materials to be contaminated by Bacillus are aloe vera and a variety of thixotrophic agents such as quaternized clay. Except Bacillus anthracis the cause of anthrax, very few species of bacillus are pathogenic. 
  
Clostridia 
Clostridium is anaerobic gram positive rod. They are usually pathogenic causing variety of infections like tetanus, gas gangrene, food poisoning

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Last Updated On: 12-07-10
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