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Biodegradation and metabolism of unusual carbon compounds by anoxygenic phototrophic bacteria
1Environmental Microbial Biotechnology Laboratory, IPGS & R, Jawaharlal Nehru Technological University, Mahaveer Marg, Hyderabad, India.
Abstract:
Anoxygenic phototrophic bacteria play an important role in anaerobic nutritional cycles. The most readily used and widely studied carbon sources for growth of these bacteria are organic acids and a few carbohydrates. In this review we survey the growing knowledge on the metabolism of a number of other carbon sources, particularly polymers (starch, poly(3-hydroxyalkanoates)), aromatic compounds (natural and xenobiotic), one-carbon compounds, alcohols, aliphatic hydrocarbons and higher fatty acids, and their influence on various cellular activities of purple non-sulfur bacteria. We also discuss the possible exploitations in various biotechnological processes of this group of microorganisms while metabolizing unusual carbon compounds.
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