Polarization of PIN3-dependent auxin transport for hypocotyl gravitropic response in Arabidopsis thaliana

• Authors: RAKUSOVÁ Hana; GALLEGO-BARTOLOME´ Javier; VANSTRAELEN Marleen; ROBERT Héléne S.; ALABADÍ David; BLÁZQUEZ Miguel A.; BENKOVÁ Eva; FRIML Jiří
• Year of publication: 2011
• Type: Article in Periodical
• Magazine / Source: The Plant Journal
• MU Faculty or unit: Central European Institute of Technology
• Doi: http://dx.doi.org/10.1111/j.1365-313X.2011.04636.x
• Field: Genetics and molecular biology
• Keywords: hypocotyl gravitropism; auxin transport; PIN polarity; PINOID kinase; GNOM ARF GEF
• Description: Here we provide insights into the mechanism for hypocotyl gravitropic growth. Our data suggest that gravity-induced PIN3 polarization diverts the auxin flow to mediate the asymmetric distribution of auxin for gravitropic shoot bending.

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• Identification of molecular components and the mechanism of polar targeting of PIN auxin transport proteins in Arabidopsis thaliana