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Sulfate-reducing bacteria comprise a diverse and ecologically interactive group of anaerobic prokaryotes which share an extraordinary trait: growth by sulfate respiration with hydrogen sulfide as a major end-product. Sulfate-reducers are found in diverse environments ranging from estuaries to geological oil-bearing formations. They have attracted considerable scientific and commercial interest. These organisms have been actively investigated by researchers in microbial energetics, protein chemistry, ecology and more recently molecular biology. This interest has increased greatly over the past...

The coverage of the Reallexikon der Assyriologie und Vorderasiatischen Archäologie embraces those ancient Near Eastern cultures which used the cuneiform script (Mesopotamia, North Syria and Anatolia) together with neighbouring regions in the 4th to the 1st millennia B.C. Entries include important personalities (rulers, scholars, administrators etc.), deities, ancient place names and modern archaeological sites, as well as cultural items and concepts (e.g. "house", "purchase", "literature", "mathematics", "milk"), which are treated from both philological and archaeological standpoints, as...