Balkunde, Rachappa, Bouyer, Daniel ORCID: 0000-0002-7438-5551 and Huelskamp, Martin (2011). Nuclear trapping by GL3 controls intercellular transport and redistribution of TTG1 protein in Arabidopsis. Development, 138 (22). S. 5039 - 5049. CAMBRIDGE: COMPANY BIOLOGISTS LTD. ISSN 1477-9129

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Abstract

Trichome patterning on Arabidopsis leaves is one of the best-studied model systems for two-dimensional de novo patterning. In addition to an activator-inhibitor-related mechanism, we previously proposed a depletion mechanism to operate during this process such that GLABRA3 (GL3) traps the trichome-promoting factor TRANSPARENT TESTA GLABRA1 (TTG1) in trichomes that, in turn, results in a depletion of TTG1 in trichome neighbouring cells. In this manuscript we analyze the molecular basis underlying this trapping mechanism. We demonstrate the ability of GL3 to regulate TTG1 mobility by expressing TTG1 and GL3 in different tissue layers in different combinations. We further show that TTG1 trapping by GL3 is based on direct interaction between both proteins and recruitment in the nucleus.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Balkunde, RachappaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bouyer, DanielUNSPECIFIEDorcid.org/0000-0002-7438-5551UNSPECIFIED
Huelskamp, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-485379
DOI: 10.1242/dev.072454
Journal or Publication Title: Development
Volume: 138
Number: 22
Page Range: S. 5039 - 5049
Date: 2011
Publisher: COMPANY BIOLOGISTS LTD
Place of Publication: CAMBRIDGE
ISSN: 1477-9129
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
EPIDERMAL-CELL FATE; TRICHOME DEVELOPMENT; ANTHOCYANIN BIOSYNTHESIS; GENES; ENCODES; MYB; DIFFERENTIATION; EXPRESSION; TRIPTYCHON; CAPRICEMultiple languages
Developmental BiologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/48537

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