Green death: revealing programmed cell death in plants
نویسندگان
چکیده
منابع مشابه
Programmed Cell Death in Plants.
Programmed cell death (PCD) is a physiological cell death process involved in the selective elimination of unwanted cells (Ellis et al., 1991). In animals, these unwanted cells include those that have served temporary functions, such as tadpole tail cells at metamorphosis; cells that are overproduced, such as vertebrate neurons; cells that are unwanted or present in inappropriate positions, suc...
متن کاملDevelopmental programmed cell death in plants.
Mechanisms of plant developmental programmed cell death (PCD) have been intensively studied in recent years. Most plant developmental PCD is triggered by plant hormones, and the 'death signal' may be transduced by hormonal signaling pathways. Although there are some fundamental differences in the regulation of developmental PCD in various eukaryotes of different kingdoms, hormonal control and d...
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During the course of their ontogenesis plants are continuously exposed to a large variety of abiotic stress factors which can damage tissues and jeopardize the survival of the organism unless properly countered. While animals can simply escape and thus evade stressors, plants as sessile organisms have developed complex strategies to withstand them. When the intensity of a detrimental factor is ...
متن کاملProgrammed cell death in plants resembles apoptosis of animals
The selective and regulated elimination of certain cells is an effective mechanism to ensure the maintenance of homeostasis in both plants and animals. This is possible through a genetically regulated process called programmed cell death (PCD). Morphological and biochemical hallmarks of PCD or apoptosis in animals can also be observed in PCD of plants. Furthermore, genetic similarities between ...
متن کاملProgrammed cell death and tissue remodelling in plants.
The use of programmed cell death (PCD) to remodel plants at the cellular, tissue, and organ levels is particularly fascinating and occurs in such processes as tracheary element differentiation, lysigenous aerenchyma formation, development of functionally unisexual flowers from bisexual floral primordia, and leaf morphogenesis. The formation of complex leaf shape through the use of PCD is a rare...
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ژورنال
عنوان ژورنال: Cell Death & Differentiation
سال: 2011
ISSN: 1350-9047,1476-5403
DOI: 10.1038/cdd.2011.86