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Annual Plant Reviews, Senescence Processes in Plants

Author: Susheng Gan

Publisher: Wiley-Blackwell

Published: 2007-04-23

Total Pages: 0

ISBN-13: 9781405139847

The scientific and economic significance of plant senescence means that much effort has been made to understand the processes involved and to devise means of manipulating them agriculturally. During the past few years there has been considerable progress in this regard, especially in the molecular, genetic and genomic aspects. Senescence has a tremendous impact on agriculture. For example, leaf senescence limits crop yield and biomass production, and contributes substantially to postharvest loss in vegetable and ornamental crops during transportation, storage and on shelves. In addition, proteins, antioxidants and other nutritional compounds are degraded during senescence. Senescing tissues also become more susceptible to pathogen infection, and some of the pathogens may produce toxins, rendering food unsafe. Mitotic senescence may also determine sizes of leaves, fruits and whole plants. This volume summarizes recent progresses in the physiology, biochemistry, cell biology, molecular biology, genomics, proteomics, and biotechnology of plant senescence. Beginning with a chapter on senescence-related terminology and our current knowledge of mitotic senescence in plants (a less well-studied area), the book focuses on post-mitotic senescence, and includes chapters addressing the senescence of leaves, flowers and fruits. Later chapters examine the development of various new biotechnologies for manipulating the senescence processes of fruit and leaves, some of which are approaching commercialization. The book is directed at researchers and professionals in plant molecular genetics, physiology and biochemistry.

Annual Plant Reviews, Senescence Processes in Plants

Author: Susheng Gan

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 352

ISBN-13: 0470994266

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Senescence and Aging in Plants

Author: L.D. Nooden

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 555

ISBN-13: 0323145957

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Senescence and Aging in Plants reviews the state of knowledge in the processes involved in plant senescence and aging. The book begins by discussing the emergence of senescence as a concept; experimental analysis of senescence; and patterns of senescence. It then examines membrane deterioration during senescence; photosynthesis in relation to leaf senescence; senescence of detached plant organs; changing patterns of nucleic acid and protein synthesis during senescence; and degradative and associated assimilatory aspects of nitrogen removal. This is followed by chapters on aspects of ethylene that may impinge upon its role in promoting senescence of higher plants; the role of cytokinins in plant senescence; the promoters and retardants of senescence; and the role of calcium in plant senescence. The concept of whole plant senescence is discussed, which can be subdivided into patterns, correlative controls, cessation of vegetative growth, declining assimilatory processes, assimilate partitioning, and hormonal controls. The final chapters cover the deterioration of cellular membranes during the plant aging process and seed aging.

Fundamental, Ecological and Agricultural Aspects of Nitrogen Metabolism in Higher Plants

Author: J.T. Lambers

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 486

ISBN-13: 9400943563

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Rinie Hofstra has been a member of the Department of Plant Physiology, University of Groningen, the Netherlands, for 24 years. The nearer we came to 31 March 1985, her 65th birthday, the more we all realized how we would miss her - not only scientifically, but also socially. She left her mark on both research and teaching, always with an open mind and willing to change. After her PhD Thesis on 'Nitrogen Metabolism in Tomato Plants' she first continued working in that field, but soon started a joint project with the Department of Plant Ecology on hemiparasites. She then became involved in carbon metabolism, which resulted in her giving a Biotrop Course on C /C metabolism in 3 4 Indonesia. Her own research group, originally working on 'Nitrogen Metabolism', soon embraced 'Energy and Nitrogen Metabolism', as the research on respiration became more and more important. In running her group she showed all sides of her person. She used to stimulate and encourage everyone around her and to integrate the various lines of research. At the same time she always had an open mind for the opinion of all members of her group. And together they regularly criticized and evaluated the various projects and decided how to continue.

Annual Plant Reviews, Light and Plant Development

Author: Garry C. Whitelam

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 325

ISBN-13: 0470994290

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Living organisms are subject to fluctuating environmental conditions. Whereas most animals are able to move away from unfavourable conditions, plants are sessile and so must cope with whatever comes their way. Of all the environmental cues that challenge the developing plant, light can probably be considered to be the most important. In addition to its key role in plant metabolism, and hence almost all life on Earth, where it drives the process of photosynthesis, light energy also acts to regulate plant growth and development. Light quantity, quality, direction and diurnal and seasonal duration regulate processes from germination, through seedling establishment to the architecture of the mature plant and the transition to reproductive development. These developmental responses of plants to light constitute photomorphogenesis. This volume is designed to provide the reader with state-of-the-art accounts of our current knowledge of the major classes of higher plant regulatory photoreceptors and the signal transduction networks that comprise plant developmental photobiology. Consideration is also given to the ways in which knowledge of plant photoreceptors and their signalling networks can be exploited, for instance to improve the quality and productivity of commercially-grown plants. The book is directed at researchers and professionals working in plant molecular biology, plant physiology and plant biochemistry.

Annual Plant Reviews, Plant Cell Separation and Adhesion

Author: Jeremy A. Roberts

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 232

ISBN-13: 0470994258

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Cell separation is an important process that occurs throughout the life cycle of a plant. It enables the radicle to emerge from the germinating seed, vascular tissue to differentiate, sculpturing of leaves and flowers to take place, pollen to be shed from the mature anther, fruit to soften, senescent and non-functional organs to be lost, and seeds to be shed. In addition to its intrinsic scientific interest, many of the developmental processes to which it contributes have importance for agriculture and horticulture. This is the first volume to focus exclusively on these processes and to link improvements in our scientific understanding with methods that may allow us to manipulate cell separation and adhesion to the benefit of the agricultural and horticultural industries. It will therefore be of interest to the experimental scientist and to those who wish to apply these techniques commercially.

Annual Plant Reviews, Intercellular Communication in Plants

Author: Andrew J. Fleming

Publisher: John Wiley & Sons

Published: 2009-02-12

Total Pages: 296

ISBN-13: 1405172606

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Annual Plant Reviews, Volume 16 Intercellular communication in plants plays a vital role in the co-ordination of processes leading to the formation of a functional organism. The signalling systems must function at a local level to co-ordinate events of cellular differentiation, over long distances to co-ordinate developmental and physiological responses in different parts of the plant, and they must even operate between separate individuals - for example, to control fertilization as part of the evolutionary strategy of a particular species. To cope with the diverse requirements for intercellular signalling, plants have evolved a spectrum of molecular mechanisms, and significant progress has been made over the last few years in our understanding of these processes. This volume provides an overview of our current understanding of intercellular communication in plants, with an emphasis on those research areas showing significant recent progress and promise. It is directed at researchers and professionals in plant biochemistry, physiology, cell biology and molecular biology.

Annual Plant Reviews, Flowering and its Manipulation

Author: Charles Ainsworth

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 320

ISBN-13: 1405172401

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The flowering plants now dominate the terrestrial ecosystems of theplanet, and there are good reasons for supposing that the floweritself has been a major contributing factor to the spread of theAngiosperms. The flowers of higher plants not only contain theorgans of plant reproduction but are of fundamental importance ingiving rise to fruits and seeds which constitute a major componentof the human diet. This volume opens with a chapter describing a model for theevolution of the Angiosperm flower. Chapters 2 to 5 describe thecore development of the flower and include floral induction, floralpattering and organ initiation, floral shape and size, andinflorescence architecture. Chapters 6 to 8 focus on morespecialised aspects of floral development: monoecy, cytoplasmicmale sterility and flowering in perennials. Chapters 9 and 10address more functional aspects: flower colour and scent. The bookconcludes, appropriately, with a chapter on flowersenescence. Applied aspects are stressed wherever appropriate, and the book isdirected at researchers and professionals in plant genetics,developmental and molecular biology. The volume has been designed to complement an earlier volume in ourAnnual Plant Reviews series, O'Neill, S. D. and Roberts, J. A.(2002) Plant Reproduction.

Processes and Control of Plant Senescence

Author: Ya'acov Y. Leshem

Publisher:

Published: 1986

Total Pages: 215

ISBN-13: 9780444416179

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Senescence Signalling and Control in Plants

Author: Maryam Sarwat

Publisher: Academic Press

Published: 2018-12-05

Total Pages: 0

ISBN-13: 9780128131879

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Senescence Signalling and Control in Plants discusses the studies showing the importance of hormone action on developmental senescence. It shows the involvement of various signaling components (such as EIN2, LOX2) and transcription factors (such as oresara1 or ORE1) in controlling hormonal activity during senescence. Further, the involvement of various micro RNAs (miR164, miR319) in regulating leaf senescence are discussed. Through this book, the authors throw light on all the reverse and forward genetic approaches to reveal the role of various other phytohormones regulating plant senescence and the molecular mechanisms involved. Chapters on relevant topics are contributed by experts working in the area, making this a comprehensive treatise designed to provide an in-depth analysis on the subject matter.