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Phosphoproteome analyses pinpoint the F‐box protein SLOW MOTION as a regulator of warm temperature‐mediated hypocotyl growth in Arabidopsis

Shanshuo Zhu, Lixia Pan, Lam Dai Vu (UGent) , Xiangyu Xu, Beatriz Orosa‐Puente, Tingting Zhu (UGent) , Pia Neyt (UGent) , Brigitte Van De Cotte (UGent) , Thomas B. Jacobs (UGent) , Joshua M. Gendron, et al.
(2024) NEW PHYTOLOGIST. 241(2). p.687-702
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Abstract
Hypocotyl elongation is controlled by several signals and is a major characteristic of plantsgrowing in darkness or under warm temperature. While already several molecular mechan-isms associated with this process are known, protein degradation and associated E3 ligaseshave hardly been studied in the context of warm temperature.In a time-course phosphoproteome analysis onArabidopsisseedlings exposed to control orwarm ambient temperature, we observed reduced levels of diverse proteins over time, whichcould be due to transcription, translation, and/or degradation. In addition, we observed dif-ferential phosphorylation of the LRR F-box protein SLOMO MOTION (SLOMO) at two ser-ine residues.We demonstrate that SLOMO is a negative regulator of hypocotyl growth, also underwarm temperature conditions, and protein–protein interaction studies revealed possible inter-actors of SLOMO, such as MKK5, DWF1, and NCED4. We identified DWF1 as a likelySLOMO substrate and a regulator of warm temperature-mediated hypocotyl growth.We propose that warm temperature-mediated regulation of SLOMO activity controls theabundance of hypocotyl growth regulators, such as DWF1, through ubiquitin-mediateddegradation
Keywords
Plant Science, Physiology, DWARF1, hypocotyl, (phospho)proteomics, SLOW MOTION, thermomorphogenesis, BRASSINOSTEROID BIOSYNTHESIS, SIGNALING CASCADE, E3 LIGASES, PLANT, LIGHT, GENE, THERMOMORPHOGENESIS, PHOSPHORYLATION, EXPRESSION, DISCOVERY

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Citation

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MLA
Zhu, Shanshuo, et al. “Phosphoproteome Analyses Pinpoint the F‐box Protein SLOW MOTION as a Regulator of Warm Temperature‐mediated Hypocotyl Growth in Arabidopsis.” NEW PHYTOLOGIST, vol. 241, no. 2, 2024, pp. 687–702, doi:10.1111/nph.19383.
APA
Zhu, S., Pan, L., Vu, L. D., Xu, X., Orosa‐Puente, B., Zhu, T., … De Smet, I. (2024). Phosphoproteome analyses pinpoint the F‐box protein SLOW MOTION as a regulator of warm temperature‐mediated hypocotyl growth in Arabidopsis. NEW PHYTOLOGIST, 241(2), 687–702. https://doi.org/10.1111/nph.19383
Chicago author-date
Zhu, Shanshuo, Lixia Pan, Lam Dai Vu, Xiangyu Xu, Beatriz Orosa‐Puente, Tingting Zhu, Pia Neyt, et al. 2024. “Phosphoproteome Analyses Pinpoint the F‐box Protein SLOW MOTION as a Regulator of Warm Temperature‐mediated Hypocotyl Growth in Arabidopsis.” NEW PHYTOLOGIST 241 (2): 687–702. https://doi.org/10.1111/nph.19383.
Chicago author-date (all authors)
Zhu, Shanshuo, Lixia Pan, Lam Dai Vu, Xiangyu Xu, Beatriz Orosa‐Puente, Tingting Zhu, Pia Neyt, Brigitte Van De Cotte, Thomas B. Jacobs, Joshua M. Gendron, Steven H. Spoel, Kris Gevaert, and Ive De Smet. 2024. “Phosphoproteome Analyses Pinpoint the F‐box Protein SLOW MOTION as a Regulator of Warm Temperature‐mediated Hypocotyl Growth in Arabidopsis.” NEW PHYTOLOGIST 241 (2): 687–702. doi:10.1111/nph.19383.
Vancouver
1.
Zhu S, Pan L, Vu LD, Xu X, Orosa‐Puente B, Zhu T, et al. Phosphoproteome analyses pinpoint the F‐box protein SLOW MOTION as a regulator of warm temperature‐mediated hypocotyl growth in Arabidopsis. NEW PHYTOLOGIST. 2024;241(2):687–702.
IEEE
[1]
S. Zhu et al., “Phosphoproteome analyses pinpoint the F‐box protein SLOW MOTION as a regulator of warm temperature‐mediated hypocotyl growth in Arabidopsis,” NEW PHYTOLOGIST, vol. 241, no. 2, pp. 687–702, 2024.
@article{01HFC1J25VK1PAQ33NBETHBV88,
  abstract     = {{Hypocotyl elongation is controlled by several signals and is a major characteristic of plantsgrowing in darkness or under warm temperature. While already several molecular mechan-isms associated with this process are known, protein degradation and associated E3 ligaseshave hardly been studied in the context of warm temperature.In a time-course phosphoproteome analysis onArabidopsisseedlings exposed to control orwarm ambient temperature, we observed reduced levels of diverse proteins over time, whichcould be due to transcription, translation, and/or degradation. In addition, we observed dif-ferential phosphorylation of the LRR F-box protein SLOMO MOTION (SLOMO) at two ser-ine residues.We demonstrate that SLOMO is a negative regulator of hypocotyl growth, also underwarm temperature conditions, and protein–protein interaction studies revealed possible inter-actors of SLOMO, such as MKK5, DWF1, and NCED4. We identified DWF1 as a likelySLOMO substrate and a regulator of warm temperature-mediated hypocotyl growth.We propose that warm temperature-mediated regulation of SLOMO activity controls theabundance of hypocotyl growth regulators, such as DWF1, through ubiquitin-mediateddegradation}},
  author       = {{Zhu, Shanshuo and Pan, Lixia and Vu, Lam Dai and Xu, Xiangyu and Orosa‐Puente, Beatriz and Zhu, Tingting and Neyt, Pia and Van De Cotte, Brigitte and Jacobs, Thomas B. and Gendron, Joshua M. and Spoel, Steven H. and Gevaert, Kris and De Smet, Ive}},
  issn         = {{0028-646X}},
  journal      = {{NEW PHYTOLOGIST}},
  keywords     = {{Plant Science,Physiology,DWARF1,hypocotyl,(phospho)proteomics,SLOW MOTION,thermomorphogenesis,BRASSINOSTEROID BIOSYNTHESIS,SIGNALING CASCADE,E3 LIGASES,PLANT,LIGHT,GENE,THERMOMORPHOGENESIS,PHOSPHORYLATION,EXPRESSION,DISCOVERY}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{687--702}},
  title        = {{Phosphoproteome analyses pinpoint the F‐box protein SLOW MOTION as a regulator of warm temperature‐mediated hypocotyl growth in Arabidopsis}},
  url          = {{http://doi.org/10.1111/nph.19383}},
  volume       = {{241}},
  year         = {{2024}},
}
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