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Heterotrophic Bacteria

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Heterotrophic Bacteria 

bacteria that use organic (carbon-containing) compounds as a source of energy and carbon. This characteristic distinguishes heterotrophic bacteria from chemoautotrophic (chemosynthesizing) and photoautotrophic (photosynthesizing) bacteria, which assimilate CO2 as a source of carbon. The overwhelming number of known species of bacteria, both aerobic and anaerobic, are heterotrophic. Many heterotrophic bacteria utilize sugar, alcohol, and organic acids. However, there are specialized heterotrophic bacteria capable also of decomposing cellulose, lignin, chitin, keratin, hydrocarbons, phenol, and other substances. Heterotrophic bacteria are found widely in soil, water, foods, and the bed soil of bodies of water. Heterotrophic bacteria take an active part in the natural recycling of substances.

A. A. IMSHENETSKII



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Using this approach, species of heterotrophic bacteria that can propagate in vitro were identified.
Researchers from the University of Arizona swabbed classrooms and common area surfaces at six schools in a K-12 school system to determine the relative numbers of total heterotrophic bacteria and coliform bacteria on frequently touched hard, non-porous surfaces.
 
 
 
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