Ethylene-induced flavonol accumulation in guard cells suppresses reactive oxygen species and moderates stomatal aperture.

doi:10.1104/pp.113.233528

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Article

Ethylene-induced flavonol accumulation in guard cells suppresses reactive oxygen species and moderates stomatal aperture.

Plant physiology - 1 Apr 2014

Watkins Justin M, Hechler Paul J, Muday Gloria K

Abstract excerpt

Guard cell swelling controls the aperture of stomata, pores that facilitate gas exchange and water loss from leaves. The hormone abscisic acid (ABA) has a central role in regulation of stomatal closure through synthesis of second messengers, which include reactive oxygen species (ROS). ROS accumulation must be minimized by antioxidants to keep concentrations from reaching damaging levels within the cell....

Topics

Abscisic Acid
Arabidopsis
Ecotype
Ethylenes
Flavonols
Fluoresceins
Models, Biological
Mutation
Plant Stomata
Reactive Oxygen Species
Subcellular Fractions

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Identifiers

PMID: 24596331
DOI: 10.1104/pp.113.233528
PMCID: PMC3982735

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