Plant leaf senescence and death: regulation by multiple layers of control and implications for aging in general. J Cell Sci. 2013;126(Pt 21):4823-4833.H.R. Woo, H.J. Kim, H.G. Nam, P.O. Lim, Plant leaf senescence and death-regulation by multiple layers of control and implications ...
Senescence constitutes the last phase of plant growth and is characterized by a series of degenerative events that decrease metabolic activities and cause the death of cells, tissues and organs. Yellowing of leaves is a morphological indicator of senescence, which results due to loss of green pigmen...
Processes such as leaf senescence, TE differentiation, and the deletion of the embryonic suspensor have emerged as valuable examples used to study plant cell death [13, 29, 30]. However, to date very little research has been conducted in vivo to understand the order of organelle changes, which...
17. Germination and Establishment18. Vegetative Growth on the Primary Axis19. Secondary Vegetative Growth20. Control of Flowering and Floral Development21. Gametophyte Development, Pollination, and Fruit Development22. Embryogenesis: The Origin of Plant Architecture23. Plant Senescence and Cell Death24. ...
An ancient function of the cell vacuole is to act as an autolytic body in cell death. 'Metacaspases' (a name for vacuolar proteases that may function like the caspases of apoptotic animal cells but which have little or no homology to them) have been implicated in a cell death program in...
For example, there is a direct link between the duration of flag leaf photosynthesis and cereal grain yields. The optimisation of electron transport, carbon assimilation and assimilate production is important at all stages of leaf development, not least during senescence when chloroplasts are dismantled...
Although plants can survive temporary periods of hypoxia, flooding has a negative impact on plant growth and, if sustained, it can result in plant damage or death4. This has a major impact on crop yield; for example, flooding resulted in crop loss costing $3 billion in the United States ...
Leaf senescence is the ultimate phase of plant leaf development, and involves coordinated action at the cell, tissue, organ and organism levels. Senescence is controlled by a highly regulated genetic program and leads to death or the end of the life span [1]. Leaf senescence is not a passive...
It has been found that ABA plays an important role in improving plant tolerance to cold, as well as triggering leaf senescence for years. In addition, there have been many reports suggesting that the signaling pathways for leaf senescence and plant defense responses may overlap. Therefore, the ...
Starch is synthesized during daylight for temporary storage in leaves and then degraded during the subsequent night to support plant growth and development. Impairment of starch degradation leads to stunted growth, even senescence and death. The nuclear pore complex is involved in many cellular processe...