Wu Xintao (auth.), Yi-Ping Wang, Min Lin, Zhe-Xian Tian,'s Biological Nitrogen Fixation, Sustainable Agriculture and PDF

By Wu Xintao (auth.), Yi-Ping Wang, Min Lin, Zhe-Xian Tian, Claudine Elmerich, William E. Newton (eds.)

ISBN-10: 1402035691

ISBN-13: 9781402035692

ISBN-10: 1402035705

ISBN-13: 9781402035708

The 14th foreign Nitrogen Fixation Congress was once held in Beijing, China from October twenty seventh via November 1st, 2004. This quantity constitutes the lawsuits of the Congress and represents a compilation of the shows by way of scientists from greater than 30 nations around the globe who got here to Beijing to debate the growth made because the final Congress and to switch rules and knowledge. This 12 months marked the thirtieth anniversary of the 1st Congress held in Pullman, Washington, united states, in 1974. because then, this sequence of Congresses has met 5 instances in North the United States (three within the usa and as soon as each one in Canada and Mexico), as soon as in South the USA (Brazil), 4 occasions in Western Europe (once every one in Spain, The Netherlands, Germany and France), as soon as in jap Europe (Russia), and as soon as in Australia; and now for the 1st time in Asia. China was once a ideal selection simply because China is a huge state with the most important inhabitants on this planet, approximately 1. three billion humans, that is approximately 22% of the World’s inhabitants. it's commonly an agricultural state, although China has purely 7% of the on hand farming land. this case explains why agriculture and its productiveness are significant matters for the chinese language humans, its executive and the scientists within the field.

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Additional resources for Biological Nitrogen Fixation, Sustainable Agriculture and the Environment: Proceedings of the 14th International Nitrogen Fixation Congress

Example text

Nucleotide binding and hydrolysis is a fascinating aspect of the nitrogenase-catalyzed conversion of N2 to ammonia. During catalysis, the iron protein and molybdenum-iron protein associate and dissociate in a manner that hydrolyzes two molecules of MgATP and transfer of at least one electron to the MoFe protein. Multiple cycles of iron protein association and dissociation, MgATP hydrolysis, and electron transfer are required for the complete reduction of a single molecule of nitrogen to ammonia (1, 2).

They have a common ancestry, so strongly supporting the evolutionary link between nitrogen fixation and bacterial photosynthesis. Even though the pathway leading to the extant nifDKEN and bchNBYZ genes is still unclear, there is a tentative plausible scenario, which relies on the fact that, in some photosynthetic bacteria, the two triads of genes (bchLNB and bchXYZ) are organized in tricistronic operons resembling the nifHDK organization. Assuming that these nine genes form three triads of paralogous genes (nifH-bchL-bchX; nifD-bchN-bchY and nifK-bchB-bchZ), it can be surmised that an ancestral nifHDK operon duplicated to give rise to bchLNB.

Approach To a large extent, our approach at gaining insights into the role of MgATP binding and hydrolysis involves the use of x-ray crystallography. This approach offers the detailed 29 Y-P. ), Biological Nitrogen Fixation, Sustainable Agriculture and the Environment, 29-33. © 2005 Springer. Printed in the Netherlands. 30 Sanchayita Sen and John W. Peters structural analysis of static states of macromolecules and researchers must be creative to gain useful and interpretable information about dynamic processes.

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Biological Nitrogen Fixation, Sustainable Agriculture and the Environment: Proceedings of the 14th International Nitrogen Fixation Congress by Wu Xintao (auth.), Yi-Ping Wang, Min Lin, Zhe-Xian Tian, Claudine Elmerich, William E. Newton (eds.)

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