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Gibberellins

Gibberellins
Author: Nobutaka Takahashi
Publisher: Springer Science & Business Media
Total Pages: 444
Release: 2012-12-06
Genre: Science
ISBN: 1461230020

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The cultivation of rice in Japan has suffered from damage caused by baka nae disease, in which rice seedlings show abnormal growth (elongation) as the result of infection by a plant pathogen. Investigation of the taxonomy of this pathogen led to the commencement of gibberellin (GA) research among Japanese plant pathologists, who later identified it as Gibberella jujikuroi, its other name being Fusarium moniliforme. In 1926, Kurosawa demon strated the occurrence of an active principle in the culture media of fungus that showed the same symptoms as those of the rice disease. In 1938, this finding was followed by the successful isolation of the active principles as crystals from the culture filtrate. This was achieved by the Japanese agri cultural chemists Yabuta and Sumiki, of The University of Tokyo, who named these active principles gibberellins A and B. Following World War II, this discovery attracted the interest of scientists around the world, and research on GA was pursued on a worldwide scale. One of the most outstanding discoveries in GA research after the isolation of GA as the metabolite of the plant pathogen must be the isolation and characterization of GAs from tissues of higher plants by the MacMillan group, West and Phinney, and the Tokyo University group in 1958 and 1959. Thus, GAs have been recognized as one of the most important classes of plant hormones.


Biochemistry and Physiology of Plant Hormones

Biochemistry and Physiology of Plant Hormones
Author: T.C. Moore
Publisher: Springer Science & Business Media
Total Pages: 285
Release: 2012-12-06
Genre: Science
ISBN: 1468400797

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Biochemistry and Physiology of Plant Hormones is intended primarily as a textbook or major reference for a one-term ;intermediate-Ievel or ad vanced course dealing with hormonal regulation of growth and develop ment of seed plants for students majoring in biology, botany, and applied botany fields such as agronomy, forestry, and horticulture. Additionally, it should be useful to others who wish to become familiar with the topic in relation to their principal student or professional interests in related fields. It is assumed that readers will have a background in fundamental biology, plant physiology, and biochemistry. The dominant objective of Biochemistry and Physiology of Plant Hor mones is to summarize, in a reasonably balanced and comprehensive way, the current state of our fundamental knowledge regarding the major kinds of hormones and the phytochrome pigment system. Written pri marily for students rather than researchers, the book is purposely brief. Biochemical aspects have been given priority intentionally, somewhat at the expense of physiological considerations. There are extensive citations ofthe literature-both old and recent-but, it is hoped, not so much docu mentation as to make the book difficult to read. The specific choices of publications to cite and illustrations to present were made for different reasons, often to illustrate historical development, sometimes to illustrate ideas that later proved invalid, occasionally to exemplify conflicting hy potheses, and most often to illustrate the current state of our knowledge about hormonal phenomena.


Introduction to the Biochemistry and Physiology of Plant Growth Hormones

Introduction to the Biochemistry and Physiology of Plant Growth Hormones
Author: Irving David James Phillips
Publisher:
Total Pages: 200
Release: 1971
Genre: Science
ISBN:

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The nature of plant growth hormones; Growth hormones in shoot and root development; Growth hormones in phototropism and geotropism; Hormones and reproduction in higher plants; Growth hormones and phase change in plants; The mechanism of action of plant growth hormones.


Gibberellins

Gibberellins
Author: J. R. Lenton
Publisher:
Total Pages: 168
Release: 1980
Genre: Gibberellins
ISBN:

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Gibberellins and Gibberellic Acid

Gibberellins and Gibberellic Acid
Author: Jackson Hardy
Publisher: Nova Science Publishers
Total Pages: 0
Release: 2015
Genre: Biosynthesis
ISBN: 9781634825498

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Gibberellins (GA) are a large group of tetracyclic diterpenoid carboxylic acids, which are essential for many processes in plants, including seed germination. In combination with other hormones, it helps the plant to overcome abiotic stress. The authors of this book examine the main issues regarding the production, functions and biosynthesis of gibberellins. The importance of the biosynthesis, deactivation and signalling of gibberellins are discussed as well. Additionally, current research on the prominent molecular mechanisms that control GA levels, and their physiological involvement in plant growth and metabolism are examined. The recent advances of the importance of GA modulating plant immunity and the positive and negative regulators signalling pathways crosstalk in disease and defence are looked at as well. The last chapter of this book is focused on the mechanisms involved in the control of tuberisation by gibberellins, including the regulation of bioactive GA levels, the mechanisms of action during tuber formation, and the interaction between GA and other hormones affecting tuberisation.