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Cells
Special Issues
Protein Phosphorylation and Cell Signaling in Plants
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Protein Phosphorylation and Cell Signaling in Plants

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Plant, Algae and Fungi Cell Biology".

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 9031

Special Issue Editor

Prof. Dr. Ive De Smet

E-Mail Website
Guest Editor
VIB-UGent Center for Plant Systems Biology, Technologiepark-Zwijnaarde 71, 9052 Gent, Belgium
Interests: abiotic stress; temperature; signaling; phosphorylation

Special Issue Information

Dear Colleagues,

Protein phosphorylation is a major post-translational modification that impacts all aspects of cellular signaling, including protein localization, protein activity, protein–protein interactions, etc. In recent years, improved mass spectrometry and phosphoproteomics protocols have captured dynamic protein phosphorylation in plants. However, after cataloging phosphorylated residues in the context of an environmental or developmental trigger, the next step is to understand the function of these phosphosites.

This Special Issue welcomes original research addressing protein phosphorylation, with a preference for functional implications for cell signaling in plants.

We look forward to your contributions.

Prof. Dr. Ive De Smet
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cells is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • protein phosphorylation
  • signaling
  • kinase
  • phosphatase
  • plants
  • phosphorylation–function relationship

Published Papers (2 papers)

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Research

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17 pages, 2848 KiB  
Article
The Arabidopsis Root Tip (Phospho)Proteomes at Growth-Promoting versus Growth-Repressing Conditions Reveal Novel Root Growth Regulators
by Natalia Nikonorova, Evan Murphy, Cassio Flavio Fonseca de Lima, Shanshuo Zhu, Brigitte van de Cotte, Lam Dai Vu, Daria Balcerowicz, Lanxin Li, Xiangpei Kong, Gieljan De Rop, Tom Beeckman, Jiří Friml, Kris Vissenberg, Peter C. Morris, Zhaojun Ding and Ive De Smet
Cells 2021, 10(7), 1665; https://doi.org/10.3390/cells10071665 - 2 Jul 2021
Cited by 10 | Viewed by 4319
Abstract
Auxin plays a dual role in growth regulation and, depending on the tissue and concentration of the hormone, it can either promote or inhibit division and expansion processes in plants. Recent studies have revealed that, beyond transcriptional reprogramming, alternative auxin-controlled mechanisms regulate root [...] Read more.
Auxin plays a dual role in growth regulation and, depending on the tissue and concentration of the hormone, it can either promote or inhibit division and expansion processes in plants. Recent studies have revealed that, beyond transcriptional reprogramming, alternative auxin-controlled mechanisms regulate root growth. Here, we explored the impact of different concentrations of the synthetic auxin NAA that establish growth-promoting and -repressing conditions on the root tip proteome and phosphoproteome, generating a unique resource. From the phosphoproteome data, we pinpointed (novel) growth regulators, such as the RALF34-THE1 module. Our results, together with previously published studies, suggest that auxin, H+-ATPases, cell wall modifications and cell wall sensing receptor-like kinases are tightly embedded in a pathway regulating cell elongation. Furthermore, our study assigned a novel role to MKK2 as a regulator of primary root growth and a (potential) regulator of auxin biosynthesis and signalling, and suggests the importance of the MKK2 Thr31 phosphorylation site for growth regulation in the Arabidopsis root tip. Full article
(This article belongs to the Special Issue Protein Phosphorylation and Cell Signaling in Plants)
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Review

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23 pages, 2957 KiB  
Review
The Multifaceted Regulation of SnRK2 Kinases
by Justyna Maszkowska, Katarzyna Patrycja Szymańska, Adrian Kasztelan, Ewa Krzywińska, Olga Sztatelman and Grażyna Dobrowolska
Cells 2021, 10(9), 2180; https://doi.org/10.3390/cells10092180 - 24 Aug 2021
Cited by 24 | Viewed by 4036
Abstract
SNF1-related kinases 2 (SnRK2s) are central regulators of plant responses to environmental cues simultaneously playing a pivotal role in the plant development and growth in favorable conditions. They are activated in response to osmotic stress and some of them also to abscisic acid [...] Read more.
SNF1-related kinases 2 (SnRK2s) are central regulators of plant responses to environmental cues simultaneously playing a pivotal role in the plant development and growth in favorable conditions. They are activated in response to osmotic stress and some of them also to abscisic acid (ABA), the latter being key in ABA signaling. The SnRK2s can be viewed as molecular switches between growth and stress response; therefore, their activity is tightly regulated; needed only for a short time to trigger the response, it has to be induced transiently and otherwise kept at a very low level. This implies a strict and multifaceted control of SnRK2s in plant cells. Despite emerging new information concerning the regulation of SnRK2s, especially those involved in ABA signaling, a lot remains to be uncovered, the regulation of SnRK2s in an ABA-independent manner being particularly understudied. Here, we present an overview of available data, discuss some controversial issues, and provide our perspective on SnRK2 regulation. Full article
(This article belongs to the Special Issue Protein Phosphorylation and Cell Signaling in Plants)
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