Contents: 1. Introduction. 2. Isolation and Cultivation. 3. Taxonomy. 4. Photosynthesis. 5. Carbon metabolism. 6. Sulfur Metabolism. 7. Ecology of Anoxygenic Phototrophic Bacteria. 8. Hydrogen - Non-Conventional energy. 9. Single cell protein. 10. Bioremediation of waste water. 11. Biotechnological Applications. References,

The present book deals with an unique group bacteria which occurs specialized ecological niches under harsh conditions. As a result they adapted special type of metabolism. The ecological adaptation and played by these microorganisms in the service of mankind are discussed in a precise way. It integrates knowledge of basic and applied aspects. It forms a good reading material for teaches and researchers.