Physiology of aliphatic hydrocarbon-degrading microorganisms.- Microbial metabolism of monoterpenes — recent developments.- Formation and physiological role of biosurfactants produced by hydrocarbonutilizing microorganisms. Biosurfactants in hydrocarbon utilization.- Microbial degradation of chelating agents used in detergents with special reference to nitrilotriacetic acid (NTA).- Physiology and performance of thermophilic microorganisms in sewage sludge treatment processes.- Enzymology of cellulose degradation.- Biodegradation of lignin-carbohydrate complexes.- Physiology of microbial degradation of chitin and chitosan.- The biodegradation of aromatic hydrocarbons by bacteria TargetID.- Degradation of halogenated aromatic compounds.