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The recognition of cell death as an active process has changed the way in which biologists view living things. Geneticists re-evaluate long known mutants, research strategies are redesigned, and new model systems are sought. This volume reviews our new understanding of programmed cell death as it applies to plants. The book draws comparisons with programmed cell death in animals and unicellular organisms. The book is directed at researchers and professionals in plant cell biology, biochemistry, physiology, developmental biology and genetics.
Programmed cell death (PCD) is a genetically encoded, active process which results in the death of individual cells, tissues, or whole organs. PCD plays an essential role in plant development and defense, and occurs throughout a plant’s lifecycle from the death of the embryonic suspensor to leaf and floral organ senescence. In plant biology, PCD is a relatively new research area, however, as its fundamental importance is further recognized, publications in the area are beginning to increase significantly. The field currently has few foundational reference books and there is a critical need for books that summarizes recent findings in this important area. This book contains chapters written by several of the world’s leading researchers in PCD. This book will be invaluable for PhD or graduate students, or for scientists and researchers entering the field. Established researchers will also find this timely work useful as an up-to-date overview of this fascinating research area.
This book provides a thorough analysis of the process known as prgrammed cell death (PCD). This process, while utterly destructive on a cellular level, plays an indispensable role in plant development and defense. Programmed cell death is a crucial cellular event that occurs throughout a plant's life cycle from the death of the embryonic suspensor to leaf and floral organ senescence. The text contains eleven chapters in total, covering the most recent research findings in the area of plant PCD at the molecular, biochemical, and cellular levels. This book serves as an invaluable guide for graduate students, upper-level undergraduate students, and researchers that are entering the field of cell death research for the first time. Established researchers will also find this work indispensable as an up-to-date review of PCD topics.
Plant proteases are involved in most aspects of plant physiology and development, playing key roles in the generation of signaling molecules and as regulators of essential cellular processes such as cell division and metabolism. They take part in important pathways like protein turnover by the degradation of misfolded proteins and the ubiquitin-proteasome pathway, and they are responsible for post-translational modifications of proteins by proteolysis at highly specific sites. Proteases are also implicated in a great variety of environmentally controlled processes, including mobilization of storage proteins during seed germination, development of seedlings, senescence, programmed cell death and defense mechanisms against pests and pathogens. However, in spite of their importance, little is known about the functions and mode of actions of specific plant proteases. This Research Topic collects contributions covering diverse aspects of plant proteases research.
The molecular mechanisms which determine whether the cells of a multicellular organism will live or commit suicide have become a popular field of research in biology during the last decade. Cell death research in the plant field has also been expanding rapidly in the past 5 years. This special volume of Plant Molecular Biology seeks to bring together examples of a diverse array of experimental approaches in a single volume. From the differentiation of tracheary elements in vascular plants to the more specialized cell death model of the aleurone in cereals, this volume will bring the reader up-to-date with the characterization of different plant model systems that are currently being studied. This endeavor should complement general overviews of plant cell death mechanisms that have been published elsewhere by providing more detailed information on various aspects of this field to interested graduate students and more senior biologists alike.
This detailed volume explores numerous protocols that can be specifically used for studying plant programmed cell death (PCD), a mechanism involved in a number of physiological and pathological processes that are triggered by developmental requirements as well as changing/adverse environmental conditions. Rich in methodological recommendations, this book enables readers to perform the described analyses, alerting them to possible difficulties and showing how the methods can also be applied in different contexts and/or on different plant matrices. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Plant Programmed Cell Death: Methods and Protocols provides essential methodological information that will help researchers to expand the field of plant PCD studies.
For the first time in a single volume, researchers from seven countries review new knowledge and studies on programmed cell death (PCD) as it applies to plants, and draw comparisons with systems in animals and unicellular organisms. Chapters cover the major pathways of PCD in plants and animals, describe the cell death events in reproductive and vegetative tissues, outline examples of PCD in response to abiotic and biotic stress, and present future applications and methods. Programmed Cell Death in Plants serves as the source of ideas for the development of new research strategies and model systems regarding the phenomenon of PCD in plants.
Both autophagy and programmed cell death (PCD) are fundamental processes of cellular maintenance that are closely interrelated in plant and animal cells under physiological and stressful conditions. Differentiation, immune response, lack of nutrients, and wide range of abiotic factors induce their development and realisation of survival or cell death scenario. Microtubular cytoskeleton is known as one of the principle players in the mediation of PCD/autophagic signals. Chapter One in this book presents an overview of the current knowledge about the role of MTs in PCD- and autophagy-related processes in plants. Chapter Two reviews the mechanisms and consequences of virus interactions with the hotel cell-death machinery, to help understand potentially pathologically relevant consequences that will help in the design of intervention strategies and the development of antiviral therapies. The final chapter discusses the control of the levels of different reactive oxygen species (ROS) and their interaction with hormones and transcriptional factors in relation with programmed cell death in leaves.