Annual Plant Reviews Volume 26: Senescence Processes in by Susheng Gan

By Susheng Gan

The clinical and monetary importance of plant senescence implies that a lot attempt has been made to appreciate the procedures concerned and to plot technique of manipulating them agriculturally. in past times few years there was enormous growth during this regard, particularly within the molecular, genetic and genomic points. Senescence has a huge influence on agriculture. for instance, leaf senescence limits crop yield and biomass creation, and contributes considerably to postharvest loss in vegetable and decorative vegetation in the course of transportation, garage and on cabinets. moreover, proteins, antioxidants and different dietary compounds are degraded in the course of senescence. Senescing tissues additionally turn into extra vulnerable to pathogen an infection, and a few of the pathogens may well produce pollutants, rendering meals damaging. Mitotic senescence can also be certain sizes of leaves, end result and entire crops.

This quantity summarizes contemporary progresses within the body structure, biochemistry, cellphone biology, molecular biology, genomics, proteomics, and biotechnology of plant senescence. starting with a bankruptcy on senescence-related terminology and our present wisdom of mitotic senescence in vegetation (a much less well-studied area), the publication makes a speciality of post-mitotic senescence, and contains chapters addressing the senescence of leaves, vegetation and culmination. Later chapters study the improvement of varied new biotechnologies for manipulating the senescence strategies of fruit and leaves, a few of that are impending commercialization. The booklet is directed at researchers and execs in plant molecular genetics, body structure and biochemistry.Content:
Chapter 1 Mitotic Senescence in vegetation (pages 1–11): Susheng Gan
Chapter 2 Chlorophyll Catabolism and Leaf color (pages 12–38): Stefan Hortensteiner and David W. Lee
Chapter three Membrane Dynamics and law of Subcellular alterations in the course of Senescence (pages 39–68): Marianne Hopkins, Linda McNamara, Catherine Taylor, Tzann?Wei Wang and John Thompson
Chapter four Oxidative tension and Leaf Senescence (pages 69–86): Ulrike Zentgraf
Chapter five Nutrient Remobilization in the course of Leaf Senescence (pages 87–107): Andreas M. Fischer
Chapter 6 Environmental rules of Leaf Senescence (pages 108–144): Amnon Lers
Chapter 7 Developmental and Hormonal keep an eye on of Leaf Senescence (pages 145–170): Jos H.M. Schippers, Hai?Chun Jing, Jacques Hille and Paul P. Dijkwel
Chapter eight The Genetic regulate of Senescence printed through Mapping Quantitative Trait Loci (pages 171–201): Helen Ougham, Ian Armstead, Catherine Howarth, Isaac Galyuon, Iain Donnison and Howard Thomas
Chapter nine Genomics and Proteomics of Leaf Senescence (pages 202–230): Marie?Jeanne Carp and Shimon Gepstein
Chapter 10 Molecular legislation of Leaf Senescence (pages 231–255): Hyo Jung Kim, Pyung okay Lim and Hong Gil Nam
Chapter eleven Flower Senescence (pages 256–277): Michael S. Reid and Jen?Chih Chen
Chapter 12 Fruit Ripening and its Manipulation (pages 278–303): James J. Giovannoni
Chapter thirteen Genetic Manipulation of Leaf Senescence (pages 304–322): Yongfeng Guo and Susheng Gan

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Extra resources for Annual Plant Reviews Volume 26: Senescence Processes in Plants

Sample text

Type C stay-greens most likely represent mutants that have a defect in a catalytic or regulatory gene of chl breakdown, since chl retention in these mutants is uncoupled from other, normally proceeding, senescence processes. Among these, Bf 993 of F. pratensis has been best characterized (Thomas and Stoddart, 1975). Bf 993 exhibits a significant reduction of PAO activity, and accumulates chlides and pheide a during senescence. In order to identify the mutated gene, sid, the stay-green character of Bf 993 has been transferred from Festuca into Lolium species by intergeneric hybridization.

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