Phytohormones in Plant Biotechnology and Agriculture

1. Front Matter

   Pages i-xiv

   PDF

2. Flowering

   1. Front Matter

      Pages 1-1

      PDF

   2. Hormonal Regulation of Plant Development in the Studies by M. Kh. Chailakhyan

      • N. P. Aksenova

      Pages 3-7

   3. The Plant Hormones: From Original Concept to a Molecular Flowering

      • Peter J. Davies

      Pages 9-30

   4. Three Roles for Gibberellin in Flowering

      • Rod King

      Pages 31-39

   5. The Role of Gibberellin-Regulated Gene Expression During Anther and Early Flower Development in Tomato

      • G. W. M. Barendse, K. J. P. T. Van Den Heuvel

      Pages 41-47

   6. Involvement of Gibberellins in Development and Senescence of Rose Flowers

      • N. Zieslin, H. Agbaria

      Pages 49-56

   7. Potato Tuberization: Evidence for a SD-Dependent and a Gibberellin-Dependent Pathway of Induction

      • Jordi Bou, Ariadna Virgós, Jaime Martínez-García, Salomé Prat

      Pages 57-66

   8. Investigation on the Chemical Nature of Flower-Inducing Factor(S) in Short-Day Plant Pharbitis nil

      • A. Tretyn, K. Głowacka, K. Kasprzak, E. Galoch, H. Kulikowska-Gulewska, J. Kopcewicz

      Pages 67-78

   9. Occurrence and Putative Role of Melatonin in Plants

      • Jan Kolář, Ivana Macháčková

      Pages 79-87

   10. Informational Signalling in Stem Apical Meristems of Plants During Transition to Flowering

       • E. L. Milyaeva, V. U. Nikiforova

       Pages 89-93

3. Cytokinins

   1. Front Matter

      Pages 95-95

      PDF

   2. Cytokinin as a Regulatory Factor for Yield and Biomass Distribution in Crop Plants

      • T. Schmülling, T. Werner, M. Riefler, E. Krupková, I. Bartrina, Y. Manns et al.

      Pages 97-108

   3. Exploitation of Mechanisms Regulating Cytokinin Levels to Improve Cereals

      • M. Kamínek, B. Šolcová, M. Trčková, V. Motyka, S. Daskalova, M. C. Elliott

      Pages 109-128

   4. Primary Alcohols, Substrates for Phospholipase D-Catalyzed Transphosphatidylation, Suppress the Cytokinin Action

      • G. A. Romanov, I. A. Getman, Yu. P. Bolyakina, N. Yu. Rakova, J. J. Kieber, T. Schmülling

      Pages 129-139

4. Auxins

   1. Front Matter

      Pages 141-141

      PDF

   2. Physiological and Molecular Genetic Aspects of Auxin Transport: Recent Developments

      • David A. Morris, Eva Zažímalová

      Pages 143-155

   3. Role of Calcium Ions in Plant Growth and Mechanism of IAA Action

      • S. S. Medvedev, I. V. Markova

      Pages 157-169

   4. Transgenic Plants of Modified Auxin Status and Enhanced Productivity

      • R. K. Salyaev, N. I. Rekoslavskaya, S. Mapelli, V. M. Sumtsova, N. V. Pakova, A. A. Truchin

      Pages 171-183

   5. Cell Wall Extensibility Changes by Hormonal and Non-Hormonal Factors

      • Elena I. Sharova

      Pages 185-191

Phytohormone research is a crucially important area of plant sciences. Phytohormones are one of the key systems integrating metabolic and developmental events in the whole plant and the response of plants to external factors. Thus, they influence the yield and quality of crops. During the last decade we have slowly begun to understand the molecular mechanisms underlying phytohormone action, largely as a result of the rapid developments that have been made internationally in the field of plant molecular genetics. Putative receptor proteins for ethylene (1993- 95), brassinosteroids (1997) and cytokinins (2001) have been identified and the genes that encode them cloned. Primary response genes and elements of hormonal signal transduction have also been identified for most known phytohormones. There is now little doubt that phytohormones, like their animal counterparts, function as signal molecules and create a signalling network in the whole plant organism. The in vivo activity of hormones depends, among other things, on their rate of biosynthesis and metabolism, and on their transport into and out of target cells. Consequently, genes and enzymes involved in these processes are of particular interest. In recent years a number of genes encoding enzymes for the synthesis, modification and degradation of different phytohormones have been cloned and identified, as have genes encoding proteins involved in phytohormone transport and its regulation. Some classes of phytohormone have been shown to participate in stress reactions and can increase the resistance of plants to unfavorable environmental factors.

• Phytohormon
• agriculture
• biotechnology
• paper
• plant
• plants
• regulation
• transgen
• transgenic plants
• transport

• Institute of Experimental Botany of the Academy of Sciences of the Czech Republic, Prague, Czech Republic

  Ivana Macháčková

• Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia

  Georgy A. Romanov

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