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Curr Opin Plant Biol. 2001 Oct;4(5):387-91.

Genetic interactions between ABA, ethylene and sugar signaling pathways.

Author information

1
Department of Botany, 25 Willcocks Street, University of Toronto, M5S 3B2, Toronto, Ontario, Canada.

Abstract

The identification of genes through mutant screens is beginning to reveal the structure of a number of signaling pathways in plants. In the past year, genes that determine the plant's response to the hormones ethylene and abscisic acid have also been shown to be involved in sugar sensing in early seedlings. These results suggest that hormone signaling and carbon homeostasis are tightly coupled but that the architecture of these interactions is complex. Part of this complexity may be because some genetic screens on exogenous compounds produce signaling linkages that are not necessarily pertinent under normal growth conditions. Because many of the genes identified in these screens are cloned, the relevance of these interactions can now be unraveled at the molecular level.

PMID:
11597495
[Indexed for MEDLINE]

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