Limmer, C; Drake, HL: Effects of carbon, nitrogen, and electron acceptor availability on anaerobic N | |
Abstract: The effects of different energy sources and inhibitors on the nitrogenase activity of a beech forest soil of north-east Bavaria (Germany) was determined by use of the acetylene-reduction method. Sugars and carbohydrates greatly stimulated nitrogenase activity under anaerobic, but not under aerobic, conditions; of the substrates tested, cellobiose yielded the highest anaerobic activity. In contrast, organic acids had no appreciable stimulating effect. Glucose-stimulated anaerobic nitrogenase activity was linked to the formation of butyrate (implicating the involvement of clostridia) and to the apparent growth of anaerobic N |
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