Advances in Microbial Ecology

1 Principal-Components and Factor Analysis for the Description of Microbial Populations.- 1. Introduction.- 2. Adansonian Classification and Microbiology.- 3. Methods for Collecting Primary Data.- 4. Factor Analysis for Describing Microbial Populations.- 5. Applications of Factor Analysis in Environmental Microbiology.- 6. Conclusions and Perspectives.- References.- 2 Limiting Factors for Microbial Growth and Activity in Soil.- 1. Introduction.- 2. The Soil Habitat.- 3. Methodology for Study of Limiting Factors in Soil.- 4. Major Limiting Factors.- 5. Factors Limiting Growth and Activity for Selected Processes.- 6. Modeling Microbial Growth and Activity in Soil.- References.- 3 Eco-Physiological Aspects of Microbial Growth in Aerobic Nutrient-Limited Environments.- 1. Introduction.- 2. Mechanisms of Adaptation to Low-Nutrient Environments.- 3. Bioenergetic Considerations.- 4. Transient-State Phenomena: Microbial Reactivity.- 5. Conclusions.- References.- 4 Role of Microorganisms in the Atmospheric Sulfur Cycle.- 1. Introduction.- 2. Microbial Production of Volatile Sulfur Compounds.- 3. Microbial Sources of Atmospheric Sulfur.- 4. Microbial Sinks of Atmospheric Sulfur.- 5. Conclusions.- References.- 5 Microbiological Aspects of Regulating the Carbon Monoxide Content in the Earth’s Atmosphere.- 1. Introduction.- 2. Carbon Monoxide in the Atmosphere.- 3. Abiogenic Processes in the CO Cycle.- 4. Role of Biological Agencies in Forming and Binding CO.- 5. Carboxydobacteria.- 6. Comparative Role of Different Factors in the CO Cycle.- References.- 6 Microbial Ecology of the Human Skin.- 1. The Environment.- 2. Cutaneous Microflora.- 3. Microbes in Their Habitat.- References.