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  TRIPTYCHON and CAPRICE mediate lateral inhibition during trichome and root hair patterning in Arabidopsis

Schellmann, S., Schnittger, A., Kirik, V., Wada, T., Okada, K., Beermann, A., et al. (2002). TRIPTYCHON and CAPRICE mediate lateral inhibition during trichome and root hair patterning in Arabidopsis. EMBO Journal, 21(19), 5036-5046.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3D5B-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3D5C-9
Genre: Journal Article

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 Creators:
Schellmann, S., Author
Schnittger, A.1, Author              
Kirik, V., Author
Wada, T., Author
Okada, K., Author
Beermann, A., Author
Thumfahrt, J., Author
Jurgens, G., Author
Huelskamp, M., Author
Affiliations:
1Other Publications, MPI for Plant Breeding Research, Max Planck Society, ou_1113577              

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Free keywords: MYB; pattern formation; root hairs; trichomes; TRIPTYCHON
 Abstract: Trichome patterning in Arabidopsis is a model for the generation of a spacing pattern from initially equivalent cells. We show that the TRIPTYCHON gene that functions in lateral inhibition encodes a single-repeat MYB-related transcription factor that lacks a recognizable activation domain. It has high sequence similarity to the root hair patterning gene CAPRICE. Both genes are expressed in trichomes and act together during lateral inhibition. We further show that TRIPTYCHON and CAPRICE act redundantly in the position- dependent cell fate determination in the root epidermis. Thus, the same lateral inhibition mechanism seems to be involved in both de novo patterning and position-dependent cell determination. We propose a model explaining trichome and root hair patterning by a common mechanism.

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Language(s): eng - English
 Dates: 2002-10-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 127746
ISI: 000178502600004
 Degree: -

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Title: EMBO Journal
  Alternative Title : Embo J.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 21 (19) Sequence Number: - Start / End Page: 5036 - 5046 Identifier: ISSN: 0261-4189