Results 171 to 180 of about 10,095 (215)
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Vascular Aerenchyma and PCD

Journal of Plant Biology, 2015
Aerenchyma is tissue in a plant organ with larger than typical intercellular spaces. Historically the presumed function of aerenchyma has been enhanced oxygen distribution within the organ under otherwise suboptimal gas exchange conditions. Ultimately, however, other functions have been attributed to aerenchyma tissue, depending on its type and the ...
Jongduk Jung   +2 more
openaire   +2 more sources

Ethylene regulates aerenchyma formation in cotton under hypoxia stress by inducing the accumulation of reactive oxygen species

open access: yesEnvironmental and Experimental Botany, 2022
Aerenchyma formation is one of the most effective mechanisms adapted by plants to cope with waterlogging (WL). It which reduces the negative effects of WL by facilitating gas diffusion within roots.
Rui Pan   +2 more
exaly   +1 more source

Mechanisms of lysigenous aerenchyma formation under abiotic stress

Trends in Plant Science, 2022
Lysigenous aerenchyma is a gas space created by cortical cell death that enables efficient oxygen diffusion within plants and reduces the energy costs associated with root cells. Recent studies have demonstrated the benefits of aerenchyma formation under flooding, drought, and nutrient deficiency, although further studies will be necessary to ...
Takaki Yamauchi, Mikio Nakazono
openaire   +2 more sources

Cytoskeleton during aerenchyma formation in plants

Cell Biology International, 2017
AbstractAerenchyma is a plant tissue characterized by prominent intercellular spaces facilitating gas diffusion between roots and the aerial environment. The classical formation of intercellular spaces is thought to be the result of schizogeny and lysogeny during development of wetland species and in some dry‐land species in response to different ...
Elizabeth L, Kordyum   +2 more
openaire   +2 more sources

Programmed cell death and aerenchyma formation in roots

Trends in Plant Science, 2000
Lysigenous aerenchyma contributes to the ability of plants to tolerate low-oxygen soil environments, by providing an internal aeration system for the transfer of oxygen from the shoot. However, aerenchyma formation requires the death of cells in the root cortex.
M C, Drew, C J, He, P W, Morgan
openaire   +2 more sources

AERENCHYMA DEVELOPMENT IN WATERLOGGED PLANTS

American Journal of Botany, 1980
Aerenchyma development in waterlogged Helianthus annuus, Lycopersicon esculentum, and Salix fragilis was studied. More than half of the root cortical tissue sometimes became an air cavity in willow roots which developed in water. There was no cortical aerenchyma in the terminal portion, but more advanced aerenchyma developed towards the base of the ...
Makoto Kawase, Robert E. Whitmoyer
openaire   +1 more source

Physiological roles for aerenchyma in phosphorus-stressed roots

Functional Plant Biology, 2003
Low phosphorus availability induces the formation of cortical aerenchyma in roots. The adaptive significance of this response is unknown. We hypothesized that aerenchyma may be helpful to low-phosphorus plants by reducing root respiratory and phosphorus requirements, thereby increasing the metabolic efficiency of soil exploration.
Mingshou, Fan   +4 more
openaire   +2 more sources

Aerenchyma formation

New Phytologist, 2003
SummaryAerenchyma – tissue containing enlarged gas spaces – occurs in many plants. It is formed either as part of normal development, or in response to stress (e.g. hypoxia). Two mechanisms of aerenchyma formation have been described; schizogeny, in which development results in the cell separation and lysigeny, in which cells die to create the gas ...
openaire   +1 more source

Aerenchyma formation in crop species: A review

Field Crops Research, 2013
Flooding is a major problem in many crop areas around the world. However, many wetland plant species can expand their roots into flooded soils because of the presence of longitudinal aerenchyma channels that facilitate oxygen diffusion from the shoots to the root tips.
Takaki Yamauchi   +3 more
openaire   +1 more source

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