---
_id: '9010'
abstract:
- lang: eng
text: Availability of the essential macronutrient nitrogen in soil plays a critical
role in plant growth, development, and impacts agricultural productivity. Plants
have evolved different strategies for sensing and responding to heterogeneous
nitrogen distribution. Modulation of root system architecture, including primary
root growth and branching, is among the most essential plant adaptions to ensure
adequate nitrogen acquisition. However, the immediate molecular pathways coordinating
the adjustment of root growth in response to distinct nitrogen sources, such as
nitrate or ammonium, are poorly understood. Here, we show that growth as manifested
by cell division and elongation is synchronized by coordinated auxin flux between
two adjacent outer tissue layers of the root. This coordination is achieved by
nitrate‐dependent dephosphorylation of the PIN2 auxin efflux carrier at a previously
uncharacterized phosphorylation site, leading to subsequent PIN2 lateralization
and thereby regulating auxin flow between adjacent tissues. A dynamic computer
model based on our experimental data successfully recapitulates experimental observations.
Our study provides mechanistic insights broadening our understanding of root growth
mechanisms in dynamic environments.
acknowledged_ssus:
- _id: Bio
acknowledgement: 'We acknowledge Gergely Molnar for critical reading of the manuscript,
Alexander Johnson for language editing and Yulija Salanenka for technical assistance.
Work in the Benkova laboratory was supported by the Austrian Science Fund (FWF01_I1774S)
to KO, RA and EB. Work in the Benkova laboratory was supported by the Austrian Science
Fund (FWF01_I1774S) to KO, RA and EB and by the DOC Fellowship Programme of the
AustrianAcademy of Sciences (25008) to C.A. Work in the Wabnik laboratory was supported
by the Programa de Atraccion de Talento 2017 (Comunidad deMadrid, 2017-T1/BIO-5654
to K.W.), Severo Ochoa Programme for Centres of Excellence in R&D from the Agencia
Estatal de Investigacion of Spain (grantSEV-2016-0672 (2017-2021) to K.W. via the
CBGP) and Programa Estatal de Generacion del Conocimiento y Fortalecimiento Científico
y Tecnologico del Sistema de I+D+I 2019 (PGC2018-093387-A-I00) from MICIU (to K.W.).
M.M.was supported by a postdoctoral contract associated to SEV-2016-0672.We acknowledge
the Bioimaging Facility in IST-Austria and the Advanced Microscopy Facility of the
Vienna Bio Center Core Facilities, member of the Vienna Bio Center Austria, for
use of the OMX v43D SIM microscope. AJ was supported by the Austrian Science Fund
(FWF): I03630 to J.F'
article_number: e106862
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Krisztina
full_name: Ötvös, Krisztina
id: 29B901B0-F248-11E8-B48F-1D18A9856A87
last_name: Ötvös
orcid: 0000-0002-5503-4983
- first_name: Marco
full_name: Marconi, Marco
last_name: Marconi
- first_name: Andrea
full_name: Vega, Andrea
last_name: Vega
- first_name: Jose
full_name: O’Brien, Jose
last_name: O’Brien
- first_name: Alexander J
full_name: Johnson, Alexander J
id: 46A62C3A-F248-11E8-B48F-1D18A9856A87
last_name: Johnson
orcid: 0000-0002-2739-8843
- first_name: Rashed
full_name: Abualia, Rashed
id: 4827E134-F248-11E8-B48F-1D18A9856A87
last_name: Abualia
orcid: 0000-0002-9357-9415
- first_name: Livio
full_name: Antonielli, Livio
last_name: Antonielli
- first_name: Juan C
full_name: Montesinos López, Juan C
id: 310A8E3E-F248-11E8-B48F-1D18A9856A87
last_name: Montesinos López
orcid: 0000-0001-9179-6099
- first_name: Yuzhou
full_name: Zhang, Yuzhou
id: 3B6137F2-F248-11E8-B48F-1D18A9856A87
last_name: Zhang
orcid: 0000-0003-2627-6956
- first_name: Shutang
full_name: Tan, Shutang
id: 2DE75584-F248-11E8-B48F-1D18A9856A87
last_name: Tan
orcid: 0000-0002-0471-8285
- first_name: Candela
full_name: Cuesta, Candela
id: 33A3C818-F248-11E8-B48F-1D18A9856A87
last_name: Cuesta
orcid: 0000-0003-1923-2410
- first_name: Christina
full_name: Artner, Christina
id: 45DF286A-F248-11E8-B48F-1D18A9856A87
last_name: Artner
- first_name: Eleonore
full_name: Bouguyon, Eleonore
last_name: Bouguyon
- first_name: Alain
full_name: Gojon, Alain
last_name: Gojon
- first_name: Jiří
full_name: Friml, Jiří
id: 4159519E-F248-11E8-B48F-1D18A9856A87
last_name: Friml
orcid: 0000-0002-8302-7596
- first_name: Rodrigo A.
full_name: Gutiérrez, Rodrigo A.
last_name: Gutiérrez
- first_name: Krzysztof T
full_name: Wabnik, Krzysztof T
id: 4DE369A4-F248-11E8-B48F-1D18A9856A87
last_name: Wabnik
orcid: 0000-0001-7263-0560
- first_name: Eva
full_name: Benková, Eva
id: 38F4F166-F248-11E8-B48F-1D18A9856A87
last_name: Benková
orcid: 0000-0002-8510-9739
citation:
ama: Ötvös K, Marconi M, Vega A, et al. Modulation of plant root growth by nitrogen
source-defined regulation of polar auxin transport. EMBO Journal. 2021;40(3).
doi:10.15252/embj.2020106862
apa: Ötvös, K., Marconi, M., Vega, A., O’Brien, J., Johnson, A. J., Abualia, R.,
… Benková, E. (2021). Modulation of plant root growth by nitrogen source-defined
regulation of polar auxin transport. EMBO Journal. Embo Press. https://doi.org/10.15252/embj.2020106862
chicago: Ötvös, Krisztina, Marco Marconi, Andrea Vega, Jose O’Brien, Alexander J
Johnson, Rashed Abualia, Livio Antonielli, et al. “Modulation of Plant Root Growth
by Nitrogen Source-Defined Regulation of Polar Auxin Transport.” EMBO Journal.
Embo Press, 2021. https://doi.org/10.15252/embj.2020106862.
ieee: K. Ötvös et al., “Modulation of plant root growth by nitrogen source-defined
regulation of polar auxin transport,” EMBO Journal, vol. 40, no. 3. Embo
Press, 2021.
ista: Ötvös K, Marconi M, Vega A, O’Brien J, Johnson AJ, Abualia R, Antonielli L,
Montesinos López JC, Zhang Y, Tan S, Cuesta C, Artner C, Bouguyon E, Gojon A,
Friml J, Gutiérrez RA, Wabnik KT, Benková E. 2021. Modulation of plant root growth
by nitrogen source-defined regulation of polar auxin transport. EMBO Journal.
40(3), e106862.
mla: Ötvös, Krisztina, et al. “Modulation of Plant Root Growth by Nitrogen Source-Defined
Regulation of Polar Auxin Transport.” EMBO Journal, vol. 40, no. 3, e106862,
Embo Press, 2021, doi:10.15252/embj.2020106862.
short: K. Ötvös, M. Marconi, A. Vega, J. O’Brien, A.J. Johnson, R. Abualia, L. Antonielli,
J.C. Montesinos López, Y. Zhang, S. Tan, C. Cuesta, C. Artner, E. Bouguyon, A.
Gojon, J. Friml, R.A. Gutiérrez, K.T. Wabnik, E. Benková, EMBO Journal 40 (2021).
date_created: 2021-01-17T23:01:12Z
date_published: 2021-02-01T00:00:00Z
date_updated: 2024-03-27T23:30:39Z
day: '01'
ddc:
- '580'
department:
- _id: JiFr
- _id: EvBe
doi: 10.15252/embj.2020106862
external_id:
isi:
- '000604645600001'
pmid:
- ' 33399250'
file:
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checksum: dc55c900f3b061d6c2790b8813d759a3
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creator: dernst
date_created: 2021-02-11T12:28:29Z
date_updated: 2021-02-11T12:28:29Z
file_id: '9110'
file_name: 2021_Embo_Otvos.pdf
file_size: 2358617
relation: main_file
success: 1
file_date_updated: 2021-02-11T12:28:29Z
has_accepted_license: '1'
intvolume: ' 40'
isi: 1
issue: '3'
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2542D156-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: I 1774-B16
name: Hormone cross-talk drives nutrient dependent plant development
- _id: 2685A872-B435-11E9-9278-68D0E5697425
name: Hormonal regulation of plant adaptive responses to environmental signals
- _id: 26538374-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: I03630
name: Molecular mechanisms of endocytic cargo recognition in plants
publication: EMBO Journal
publication_identifier:
eissn:
- '14602075'
issn:
- '02614189'
publication_status: published
publisher: Embo Press
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/a-plants-way-to-its-favorite-food/
record:
- id: '10303'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Modulation of plant root growth by nitrogen source-defined regulation of polar
auxin transport
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 40
year: '2021'
...
---
_id: '7586'
abstract:
- lang: eng
text: CLC chloride/proton exchangers may support acidification of endolysosomes
and raise their luminal Cl− concentration. Disruption of endosomal ClC‐3 causes
severe neurodegeneration. To assess the importance of ClC‐3 Cl−/H+ exchange, we
now generate Clcn3unc/unc mice in which ClC‐3 is converted into a Cl− channel.
Unlike Clcn3−/− mice, Clcn3unc/unc mice appear normal owing to compensation by
ClC‐4 with which ClC‐3 forms heteromers. ClC‐4 protein levels are strongly reduced
in Clcn3−/−, but not in Clcn3unc/unc mice because ClC‐3unc binds and stabilizes
ClC‐4 like wild‐type ClC‐3. Although mice lacking ClC‐4 appear healthy, its absence
in Clcn3unc/unc/Clcn4−/− mice entails even stronger neurodegeneration than observed
in Clcn3−/− mice. A fraction of ClC‐3 is found on synaptic vesicles, but miniature
postsynaptic currents and synaptic vesicle acidification are not affected in Clcn3unc/unc
or Clcn3−/− mice before neurodegeneration sets in. Both, Cl−/H+‐exchange activity
and the stabilizing effect on ClC‐4, are central to the biological function of
ClC‐3.
acknowledgement: "We thank T. Stauber and T. Breiderhoff for cloning expression constructs;
K. Räbel, S. Hohensee, and C. Backhaus for technical assistance; R. Jahn (MPIbpc,
Göttingen) for providing the equipment required for SV purification; and A\r\nWoehler
(MDC, Berlin) for assistance with SV imaging. Supported, in part, by grants from
the Deutsche Forschungsgemeinschaft (JE164/9-2, SFB740 TP C5, FOR 2625 (JE164/14-1),
NeuroCure Cluster of Excellence), the European Research Council Advanced Grant CYTOVOLION
(ERC 294435) and the Prix Louis-Jeantet de Médecine to TJJ, and Peter and Traudl
Engelhorn fellowship to ZF."
article_number: e103358
article_processing_charge: No
article_type: original
author:
- first_name: Stefanie
full_name: Weinert, Stefanie
last_name: Weinert
- first_name: Niclas
full_name: Gimber, Niclas
last_name: Gimber
- first_name: Dorothea
full_name: Deuschel, Dorothea
last_name: Deuschel
- first_name: Till
full_name: Stuhlmann, Till
last_name: Stuhlmann
- first_name: Dmytro
full_name: Puchkov, Dmytro
last_name: Puchkov
- first_name: Zohreh
full_name: Farsi, Zohreh
last_name: Farsi
- first_name: Carmen F.
full_name: Ludwig, Carmen F.
last_name: Ludwig
- first_name: Gaia
full_name: Novarino, Gaia
id: 3E57A680-F248-11E8-B48F-1D18A9856A87
last_name: Novarino
orcid: 0000-0002-7673-7178
- first_name: Karen I.
full_name: López-Cayuqueo, Karen I.
last_name: López-Cayuqueo
- first_name: Rosa
full_name: Planells-Cases, Rosa
last_name: Planells-Cases
- first_name: Thomas J.
full_name: Jentsch, Thomas J.
last_name: Jentsch
citation:
ama: Weinert S, Gimber N, Deuschel D, et al. Uncoupling endosomal CLC chloride/proton
exchange causes severe neurodegeneration. EMBO Journal. 2020;39. doi:10.15252/embj.2019103358
apa: Weinert, S., Gimber, N., Deuschel, D., Stuhlmann, T., Puchkov, D., Farsi, Z.,
… Jentsch, T. J. (2020). Uncoupling endosomal CLC chloride/proton exchange causes
severe neurodegeneration. EMBO Journal. EMBO Press. https://doi.org/10.15252/embj.2019103358
chicago: Weinert, Stefanie, Niclas Gimber, Dorothea Deuschel, Till Stuhlmann, Dmytro
Puchkov, Zohreh Farsi, Carmen F. Ludwig, et al. “Uncoupling Endosomal CLC Chloride/Proton
Exchange Causes Severe Neurodegeneration.” EMBO Journal. EMBO Press, 2020.
https://doi.org/10.15252/embj.2019103358.
ieee: S. Weinert et al., “Uncoupling endosomal CLC chloride/proton exchange
causes severe neurodegeneration,” EMBO Journal, vol. 39. EMBO Press, 2020.
ista: Weinert S, Gimber N, Deuschel D, Stuhlmann T, Puchkov D, Farsi Z, Ludwig CF,
Novarino G, López-Cayuqueo KI, Planells-Cases R, Jentsch TJ. 2020. Uncoupling
endosomal CLC chloride/proton exchange causes severe neurodegeneration. EMBO Journal.
39, e103358.
mla: Weinert, Stefanie, et al. “Uncoupling Endosomal CLC Chloride/Proton Exchange
Causes Severe Neurodegeneration.” EMBO Journal, vol. 39, e103358, EMBO
Press, 2020, doi:10.15252/embj.2019103358.
short: S. Weinert, N. Gimber, D. Deuschel, T. Stuhlmann, D. Puchkov, Z. Farsi, C.F.
Ludwig, G. Novarino, K.I. López-Cayuqueo, R. Planells-Cases, T.J. Jentsch, EMBO
Journal 39 (2020).
date_created: 2020-03-15T23:00:55Z
date_published: 2020-03-02T00:00:00Z
date_updated: 2023-08-18T07:07:36Z
day: '02'
ddc:
- '570'
department:
- _id: GaNo
doi: 10.15252/embj.2019103358
external_id:
isi:
- '000517335000001'
pmid:
- '32118314'
file:
- access_level: open_access
checksum: 82750a7a93e3740decbce8474004111a
content_type: application/pdf
creator: dernst
date_created: 2020-03-23T13:51:11Z
date_updated: 2020-07-14T12:48:00Z
file_id: '7615'
file_name: 2020_EMBO_Weinert.pdf
file_size: 12243278
relation: main_file
file_date_updated: 2020-07-14T12:48:00Z
has_accepted_license: '1'
intvolume: ' 39'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
month: '03'
oa: 1
oa_version: Published Version
pmid: 1
publication: EMBO Journal
publication_identifier:
eissn:
- '14602075'
issn:
- '02614189'
publication_status: published
publisher: EMBO Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Uncoupling endosomal CLC chloride/proton exchange causes severe neurodegeneration
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 39
year: '2020'
...