Use of mutants to study long-distance signalling in response to compacted soil

When plants encounter compacted soil, stomatal closure occurs and shoot growth slows. These responses occur in the absence of detectable changes in foliar water status. The use of genotypes with a reduced capacity to synthesize either ABA or ethylene has provided convincing evidence that ABA is resp...

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Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 53(2002), 366 vom: 15. Jan., Seite 45-50
1. Verfasser: Roberts, Jeremy A (VerfasserIn)
Weitere Verfasser: Hussain, Ahmed, Taylor, Ian B, Black, Colin R
Format: Aufsatz
Sprache:English
Veröffentlicht: 2002
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Review Ethylenes Soil Water 059QF0KO0R Abscisic Acid 72S9A8J5GW ethylene 91GW059KN7
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520 |a When plants encounter compacted soil, stomatal closure occurs and shoot growth slows. These responses occur in the absence of detectable changes in foliar water status. The use of genotypes with a reduced capacity to synthesize either ABA or ethylene has provided convincing evidence that ABA is responsible for providing the signal that regulates stomatal aperture, whereas increased ethylene production leads to an inhibition of shoot growth. Compaction results in an elevated export of ABA from the roots while enhanced ethylene synthesis is associated with increased expression of ACC oxidase in the aerial parts of the plant. Future work will explore the mechanisms responsible for regulating these events and the contribution of anaerobiosis to the stresses experienced by roots growing under compacted conditions 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Review 
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700 1 |a Black, Colin R  |e verfasserin  |4 aut 
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