---
_id: '2253'
abstract:
- lang: eng
text: Plant growth is achieved predominantly by cellular elongation, which is thought
to be controlled on several levels by apoplastic auxin. Auxin export into the
apoplast is achieved by plasma membrane efflux catalysts of the PIN-FORMED (PIN)
and ATP-binding cassette protein subfamily B/phosphor- glycoprotein (ABCB/PGP)
classes; the latter were shown to depend on interaction with the FKBP42, TWISTED
DWARF1 (TWD1). Here by using a transgenic approach in combination with phenotypical,
biochemical and cell biological analyses we demonstrate the importance of a putative
C-terminal in-plane membrane anchor of TWD1 in the regulation of ABCB-mediated
auxin transport. In contrast with dwarfed twd1 loss-of-function alleles, TWD1
gain-of-function lines that lack a putative in-plane membrane anchor (HA-TWD1-Ct)
show hypermorphic plant architecture, characterized by enhanced stem length and
leaf surface but reduced shoot branching. Greater hypocotyl length is the result
of enhanced cell elongation that correlates with reduced polar auxin transport
capacity for HA-TWD1-Ct. As a consequence, HA-TWD1-Ct displays higher hypocotyl
auxin accumulation, which is shown to result in elevated auxin-induced cell elongation
rates. Our data highlight the importance of C-terminal membrane anchoring for
TWD1 action, which is required for specific regulation of ABCB-mediated auxin
transport. These data support a model in which TWD1 controls lateral ABCB1-mediated
export into the apoplast, which is required for auxin-mediated cell elongation.
article_processing_charge: No
article_type: original
author:
- first_name: Aurélien
full_name: Bailly, Aurélien
last_name: Bailly
- first_name: Bangjun
full_name: Wang, Bangjun
last_name: Wang
- first_name: Marta
full_name: Zwiewka, Marta
last_name: Zwiewka
- first_name: Stephan
full_name: Pollmann, Stephan
last_name: Pollmann
- first_name: Daniel
full_name: Schenck, Daniel
last_name: Schenck
- first_name: Hartwig
full_name: Lüthen, Hartwig
last_name: Lüthen
- first_name: Alexander
full_name: Schulz, Alexander
last_name: Schulz
- first_name: Jirí
full_name: Friml, Jirí
id: 4159519E-F248-11E8-B48F-1D18A9856A87
last_name: Friml
orcid: 0000-0002-8302-7596
- first_name: Markus
full_name: Geisler, Markus
last_name: Geisler
citation:
ama: Bailly A, Wang B, Zwiewka M, et al. Expression of TWISTED DWARF1 lacking its
in-plane membrane anchor leads to increased cell elongation and hypermorphic growth.
Plant Journal. 2014;77(1):108-118. doi:10.1111/tpj.12369
apa: Bailly, A., Wang, B., Zwiewka, M., Pollmann, S., Schenck, D., Lüthen, H., …
Geisler, M. (2014). Expression of TWISTED DWARF1 lacking its in-plane membrane
anchor leads to increased cell elongation and hypermorphic growth. Plant Journal.
Wiley-Blackwell. https://doi.org/10.1111/tpj.12369
chicago: Bailly, Aurélien, Bangjun Wang, Marta Zwiewka, Stephan Pollmann, Daniel
Schenck, Hartwig Lüthen, Alexander Schulz, Jiří Friml, and Markus Geisler. “Expression
of TWISTED DWARF1 Lacking Its In-Plane Membrane Anchor Leads to Increased Cell
Elongation and Hypermorphic Growth.” Plant Journal. Wiley-Blackwell, 2014.
https://doi.org/10.1111/tpj.12369.
ieee: A. Bailly et al., “Expression of TWISTED DWARF1 lacking its in-plane
membrane anchor leads to increased cell elongation and hypermorphic growth,” Plant
Journal, vol. 77, no. 1. Wiley-Blackwell, pp. 108–118, 2014.
ista: Bailly A, Wang B, Zwiewka M, Pollmann S, Schenck D, Lüthen H, Schulz A, Friml
J, Geisler M. 2014. Expression of TWISTED DWARF1 lacking its in-plane membrane
anchor leads to increased cell elongation and hypermorphic growth. Plant Journal.
77(1), 108–118.
mla: Bailly, Aurélien, et al. “Expression of TWISTED DWARF1 Lacking Its In-Plane
Membrane Anchor Leads to Increased Cell Elongation and Hypermorphic Growth.” Plant
Journal, vol. 77, no. 1, Wiley-Blackwell, 2014, pp. 108–18, doi:10.1111/tpj.12369.
short: A. Bailly, B. Wang, M. Zwiewka, S. Pollmann, D. Schenck, H. Lüthen, A. Schulz,
J. Friml, M. Geisler, Plant Journal 77 (2014) 108–118.
date_created: 2018-12-11T11:56:35Z
date_published: 2014-01-01T00:00:00Z
date_updated: 2021-01-12T06:56:18Z
day: '01'
department:
- _id: JiFr
doi: 10.1111/tpj.12369
intvolume: ' 77'
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1111/tpj.12369
month: '01'
oa: 1
oa_version: Published Version
page: 108 - 118
project:
- _id: 256BDAB0-B435-11E9-9278-68D0E5697425
name: Innovationsförderung in der Grenzregion Österreich – Tschechische Republik
durch die Schaffung von Synergien im Bereich der Forschungsinfrastruktur
publication: Plant Journal
publication_identifier:
issn:
- '09607412'
publication_status: published
publisher: Wiley-Blackwell
publist_id: '4694'
quality_controlled: '1'
scopus_import: 1
status: public
title: Expression of TWISTED DWARF1 lacking its in-plane membrane anchor leads to
increased cell elongation and hypermorphic growth
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 77
year: '2014'
...