Symbiotic Nitrogen Fixation Proceedings of the 14th North American C

During the past three decades there has been a large amount of research on biological nitrogen fixation, in part stimulated by increasing world prices of nitrogen-containing fertilizers and environmental concerns. In the last several years, research on pl

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Developments in Plant and Soil Sciences VOLUME 57

The titles published in this series are listed at the end of this volume.

Symbiotic Nitrogen Fixation Proceedings of the 14th North American Conference on Symbiotic Nitrogen Fixation, July 25-29, 1993, University of Minnesota, St. Paul, Minnesota, USA Edited by

P. H. GRAHAM, M. J. SADOWSKY and C. P. VANCE

Partly reprinted from Plant and Soil, Volume 161, No. 1 (1994)

Springer Science+Business Media, B.v.

A C.I.P. Catalogue record for this book is available from the Library of Congress.

ISBN 978-94-010-4475-2 ISBN 978-94-011-1088-4 (eBook) DOI 10.1007 /978-94-011-1088-4

Printed an acid-free paper AII Rights Reserved © 1994 Springer Science-Business Media Dordrecht OriginalIy published by Kluwer Academic Publishers in 1994 Softcover reprint of the hardcover 1st edition 1994 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means , electronic or mechanical, including photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner.

Contents

Preface Acknowledgements *1. Evolution and diversity in the legume-rhizobium symbiosis: Chaos theory? by J.I. Sprent

VII

VIII 1

*2. Recent developments in Rhizobium taxonomy by E. Martinez-Romero

11

*3. Host range, RFLP, and antigenic relationships between RhizobiumJredii strains and Rhizobium sp. NGR234 by H.B. Krishnan and S.G. Pueppke

21

*4. Rapid identification of Rhizobium species based on cellular fatty acid analysis by B.D.W. Jarvis and S.W. Tighe

31

*5. Ammonium sensing in nitrogen fixing bacteria: Functions of the glnB and glnD gene products by C. Kennedy, N. Doetsch, D. Meletzus, E. Patriarca, M. Amar and M. Iaccarino

43

*6. Regulation of nodulin gene expression by FJ. de Bruijn, R. Chen, S.Y. Fujimoto, A Pinaev, D. Silver and K. Szczyglowski

59

*7. Synthesis, release, and transmission of alfalfa signals to rhizobial symbionts by D.A. Phillips, F.D. Dakora, E. Sande, C.M. Joseph and J. Zon

69

*8. Role of rhizobiallipo-oligosacharides in root nodule formation on leguminous plants by O. Geiger, T. Ritsema, AAN. van Brussel, T. Tak, AH.M. Wijfjes, G.V. Bloemberg, H.P. Spaink and B.J.J. Lugtenberg

81

*9. Sucrose transport and hydrolysis in Rhizobium trapici by V.I. Romanov and E. Martinez-Romero

91

*10. Shoot/root assimilate allocation and nodulation of Vigna unguiculata seedlings as influenced by shoot light environment by MJ. Kasperbauer and P.G. Hunt

97

*11. Mechanism of osmotically regulated N-acetylglutaminylglutamine amide production in Rhizobium meliloti by L. Tombras Smith, A Ameer Allaith and G.M. Smith

103

* Chapters indicated with an asterisk are reprinted from Plant and Soil, Volume 161, No.1. (1994).

VI

Contents

*12. What triggers the regulation of nitrogenase activity in forage legume nodules after defoliation? by V.A Hartwig and J. N6sberger

109

*13. Nodulation and nitrogen fixation in extreme environments by L.M. Bordeleau and D. Prevost

115

*14