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. 1985 Jul;78(3):623–626. doi: 10.1104/pp.78.3.623

Movement of Abscisic Acid into the Apoplast in Response to Water Stress in Xanthium strumarium L. 1

Katrina Cornish 1, Jan A D Zeevaart 1
PMCID: PMC1064787  PMID: 16664294

Abstract

The effect of water stress on the redistribution of abcisic acid (ABA) in mature leaves of Xanthium strumarium L. was investigated using a pressure dehydration technique. In both turgid and stressed leaves, the ABA in the xylem exudate, the `apoplastic' ABA, increased before `bulk leaf' stress-induced ABA accumulation began. In the initially turgid leaves, the ABA level remained constant in both the apoplast and the leaf as a whole until wilting symptoms appeared. Following turgor loss, sufficient quantities of ABA moved into the apoplast to stimulate stomatal closure. Thus, the initial increase of apoplastic ABA may be relevant to the rapid stomatal closure seen in stressed leaves before their bulk leaf ABA levels rise.

Following recovery from water stress, elevated levels of ABA remained in the apoplast after the bulk leaf contents had returned to their prestress values. This apoplastic ABA may retard stomatal reopening during the initial recovery period.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Ackerson R. C. Stomatal response of cotton to water stress and abscisic Acid as affected by water stress history. Plant Physiol. 1980 Mar;65(3):455–459. doi: 10.1104/pp.65.3.455. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Ackerson R. C. Synthesis and movement of abscisic Acid in water-stressed cotton leaves. Plant Physiol. 1982 Mar;69(3):609–613. doi: 10.1104/pp.69.3.609. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Beardsell M. F., Cohen D. Relationships between Leaf Water Status, Abscisic Acid Levels, and Stomatal Resistance in Maize and Sorghum. Plant Physiol. 1975 Aug;56(2):207–212. doi: 10.1104/pp.56.2.207. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Cornish K., Zeevaart J. A. Abscisic Acid Metabolism in Relation to Water Stress and Leaf Age in Xanthium strumarium. Plant Physiol. 1984 Dec;76(4):1029–1035. doi: 10.1104/pp.76.4.1029. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Sharkey T. D., Raschke K. Effects of phaseic Acid and dihydrophaseic Acid on stomata and the photosynthetic apparatus. Plant Physiol. 1980 Feb;65(2):291–297. doi: 10.1104/pp.65.2.291. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Zeevaart J. A. Changes in the Levels of Abscisic Acid and Its Metabolites in Excised Leaf Blades of Xanthium strumarium during and after Water Stress. Plant Physiol. 1980 Oct;66(4):672–678. doi: 10.1104/pp.66.4.672. [DOI] [PMC free article] [PubMed] [Google Scholar]
  7. Zeevaart J. A. Metabolism of Abscisic Acid and Its Regulation in Xanthium Leaves during and after Water Stress. Plant Physiol. 1983 Mar;71(3):477–481. doi: 10.1104/pp.71.3.477. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Zeevaart J. A. Sites of Abscisic Acid Synthesis and Metabolism in Ricinus communis L. Plant Physiol. 1977 May;59(5):788–791. doi: 10.1104/pp.59.5.788. [DOI] [PMC free article] [PubMed] [Google Scholar]

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