Advances in Microbial Ecology

Norman R. Pace

David A. Stahl

David J. Lane

Gary J. Olsen

The Analysis of Natural Microbial Populations by Ribosomal RNA Sequences

通过核糖体RNA序列分析天然微生物群落

Microbial ecologists have extensively explored the potential applications of light microscopy for more than five decades (Henrici and Johnson, 1935; Perfil’ev and Gabe, 1969; Casida, 1969, 1972, 1975, 1976; Staley, 1971; Caldwell and Hirsch, 1973; Caldwell et al., 1973, 1975; Caldwell and Tiedje, 1975a,b; Labeda et al., 1976; Hirsch, 1977, 1980; Geesey et al., 1978; Marshall, 1986). Now traditional microscopy has given way to “microvisualization” (Friedhoff, 1991) greatly accelerating research. Microorganisms are no longer merely photographed; instead, they are digitally “imaged” using fluorescent molecular probes, confocal laser microscopy, and computer image analysis. The chemical and biological relationships between a microorganism and its microenvironment are seen directly, nondestructively, in situ, and in “real time” (Lawrence and Caldwell, 1990). Consequently, it is no longer necessary to disrupt microbial communities when studying the molecular or behavioral aspects of their ecology.

Douglas E. Caldwell

Darren R. Korber

John R. Lawrence

Confocal Laser Microscopy and Digital Image Analysis in Microbial Ecology

共聚焦激光显微镜与数字图像分析在微生物生态学中的应用

World climate is not only a function of atmospheric physics but of atmospheric chemistry as well. In fact, the science community investigating questions on atmospheric chemistry developed rapidly after publication of the pioneering monograph by Christian Junge in 1963. Since then, it has become clear that the chemistry of the atmosphere is highly dynamic. In fact, the composition of the atmosphere is presently changing in a direction that ultimately may alter the global and regional climate of Earth (Houghton et al., 1990). Interesting to the microbiologists is the fact that the chemistry of the atmosphere is to a large extent the result of the Earth’s biosphere, and with that of microbial processes. For example, it was the evolution of oxygenic photosynthesis by cyanobacteria that allowed the production of significant amounts of O2 (Schidlowski, 1983; Holland, 1984). This microbial O2 production finally resulted in the accumulation of O2 in a so-far anoxic atmosphere, and thus resulted in one of the most dramatic shifts in the habitability of our planet, i.e., shift in the dominance of anaerobic to aerobic life.

Ralf Conrad

Soil Microbial Processes Involved in Production and Consumption of Atmospheric Trace Gases

土壤微生物过程参与大气痕量气体产生与消耗

Over the past decade, the significance of bacteria in the biogeochemical manganese and iron cycles has gained broad appreciation. Particular interest has been devoted to the microbial reduction of oxidized Mn and Fe. The complete oxidation of organic compounds or H2 coupled to the reduction of Mn or Fe oxides has been demonstrated in sediments and pure cultures, and a large number of bacteria have been isolated that grow with oxidized Mn or Fe as sole terminal electron acceptor. The microbiology of manganese and iron reduction has been comprehensively reviewed in response to the development of the field (Lovley, 1987, 1991, 1993, 1995; Ghiorse, 1988; Nealson and Myers, 1992; Nealson and Saffarini, 1994; Ehrlich, 1996; Lovley etal, 1997).

Bo Thamdrup

Bacterial Manganese and Iron Reduction in Aquatic Sediments

水生沉积物中的细菌锰和铁还原作用

涉及主题	生物生态学地质学遗传学古生物学化学细菌有机化学生物化学环境科学物理环境化学地理医学微生物生态学
出版信息	出版商: Springer New York，出版周期: Irregular，期刊类型: book-series，开源期刊: 否
基本数据	创刊年份: 1999，原创研究文献占比: 0.00%，自引率:N.A.， Gold OA占比: 0.00%
平均录用比例	网友分享经验：容易

Advances in Microbial Ecology

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The Analysis of Natural Microbial Populations by Ribosomal RNA Sequences

Confocal Laser Microscopy and Digital Image Analysis in Microbial Ecology

Soil Microbial Processes Involved in Production and Consumption of Atmospheric Trace Gases

Bacterial Manganese and Iron Reduction in Aquatic Sediments

Bacterial Manganese and Iron Reduction in Aquatic Sediments

Soil Microbial Processes Involved in Production and Consumption of Atmospheric Trace Gases

Confocal Laser Microscopy and Digital Image Analysis in Microbial Ecology

The Analysis of Natural Microbial Populations by Ribosomal RNA Sequences