Titlebook: Microbiology and Biochemistry of Strict Anaerobes Involved in Interspecies Hydrogen Transfer; Jean-Pierre Bélaich,Mireille Bruschi,Jean-Lo

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Book 1990anaerobic digestion. The first international symposium held in Cardiff in 1979 was followed by the meetings in Travenmund (1981), Boston (1983), Guangzhou (1985) and Bologna (1988). By now anaerobic digestion has come to be recognized as an appropriate technology for waste treatment. More recently,

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The Hydrogenases of Sulfate-Reducing Bacteria : Physiological, Biochemical and Catalytic Aspects H. transfer, and some acetogenic bacteria can only be cultured in the presence of hydrogen-utilizing microorganisms (1–4) (Figure 1). The H.-producing acetogenic bacteria include some of the sulfate-reducing bacteria (2,3) and the species of obligate syntrophes isolated from cocultures (5–11).

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暴露他抗议

Molecular Hydrogen and Energy Conservation in Methanogenic and Acetogenic Bacteriahe conversion of organic matter by microorganisms. Although H. is produced in large amounts, it is rapidly consumed, and can be considered as a very convenient vehicle for transport electrons from one organism to the other. The efficiency of such interspecies hydrogen transfer is such that very litt

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Approaches to Gene Transfer in Methanogenic Bacteriag molecular analysis of their genetic material has led to considerable insight into the structure, organization and expression of methanogen genes. Methanogen-specific transcription start signals have been identified, and sequence comparisons between methanogen genes and their eubacterial or eukaryo

Preamble

Hydrogenase Genes in ,gical perspective. Since molecular biology may mean different things to different people, it will be defined for the purpose of this mini-review as the field of science dealing with the (1) cloning, (2) sequence determination, and (3) expression of genes encoding hydrogenases. Progress in areas (1)

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The Hydrogenases of Sulfate-Reducing Bacteria : Physiological, Biochemical and Catalytic Aspectsolyze lipids, protein and polysaccharides and ferment most products with excretion of acetate, saturated fatty acids, hydroxyacids, alcohols, CO. and H. as major endproducts. A second group, termed H.-producing acetogenic bacteria,transform these endproducts into H., acetate and CO.. Finally, methan

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Ecological Impact of Syntrophic Alcohol and Fatty Acid Oxidations and therefore acetogens are required for the conversion of reduced organic fermentation products (ethanol, lactate, propionate, butyrate etc.) to methanogenic substrates. The activity of methanogens affects the metabolism of both fermentative and acetogenic bacteria. Fermentative organisms which c