Review
doi: 10.1016/s0074-7696(01)06021-1.
Genetic regulation of gravitropism in higher plants
Affiliations
- PMID: 11407759
- DOI: 10.1016/s0074-7696(01)06021-1
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Review
Genetic regulation of gravitropism in higher plants
Int Rev Cytol.
2001.
Abstract
Gravitropism is a classical subject in plant physiology. However, the molecular mechanisms that regulate gravitropism are unknown. Recently, many gravitropic mutants have been isolated from Arabidopsis thaliana and several genes for gravitropism have been cloned and characterized. These studies have shown that (1) the endodermis is essential for shoot gravitropism and (2) an auxin transport system and signaling pathway are necessary for gravitropism. Recent studies in Arabidopsis are reviewed and genetic regulation of gravitropism in this organism is discussed.
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