دورية أكاديمية
أعرض في EDS

Dynamic regulation of PIF5 by COP1-SPA complex to optimize photomorphogenesis in Arabidopsis.

التفاصيل البيبلوغرافية
العنوان: Dynamic regulation of PIF5 by COP1-SPA complex to optimize photomorphogenesis in Arabidopsis.
المؤلفون: Pham VN; Department of Molecular Biosciences and The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, 78712, USA., Kathare PK; Department of Molecular Biosciences and The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, 78712, USA., Huq E; Department of Molecular Biosciences and The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, 78712, USA.
المصدر: The Plant journal : for cell and molecular biology [Plant J] 2018 Oct; Vol. 96 (2), pp. 260-273.
نوع المنشور: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
اللغة: English
بيانات الدورية: Publisher: Blackwell Scientific Publishers and BIOS Scientific Publishers in association with the Society for Experimental Biology Country of Publication: England NLM ID: 9207397 Publication Model: Print Cited Medium: Internet ISSN: 1365-313X (Electronic) Linking ISSN: 09607412 NLM ISO Abbreviation: Plant J
أسماء مطبوعة: Original Publication: Oxford : Blackwell Scientific Publishers and BIOS Scientific Publishers in association with the Society for Experimental Biology, c1991-
مواضيع طبية MeSH: Gene Expression Regulation, Plant*, Arabidopsis/*genetics , Arabidopsis Proteins/*metabolism , Basic Helix-Loop-Helix Transcription Factors/*metabolism , Ubiquitin-Protein Ligases/*metabolism, Arabidopsis/growth & development ; Arabidopsis/radiation effects ; Arabidopsis Proteins/genetics ; Basic Helix-Loop-Helix Transcription Factors/genetics ; Circadian Rhythm ; Darkness ; Hypocotyl/genetics ; Hypocotyl/growth & development ; Hypocotyl/radiation effects ; Light ; Multiprotein Complexes ; Photoperiod ; Ubiquitin-Protein Ligases/genetics
مستخلص: Light signal provides the spatial and temporal information for plants to adapt to the prevailing environmental conditions. Alterations in light quality and quantity can trigger robust changes in global gene expression. In Arabidopsis thaliana, two groups of key factors regulating those changes in gene expression are CONSTITUTIVE PHOTOMORPHOGENESIS/DEETIOLATED/FUSCA (COP/DET/FUS) and a subset of basic helix-loop-helix transcription factors called PHYTOCHROME-INTERACTING FACTORS (PIFs). Recently, rapid progress has been made in characterizing the E3 ubiquitin ligases for the light-induced degradation of PIF1, PIF3 and PIF4; however, the E3 ligase(s) for PIF5 remains unknown. Here, we show that the CUL4 COP 1- SPA complex is necessary for the red light-induced degradation of PIF5. Furthermore, COP1 and SPA proteins stabilize PIF5 in the dark, but promote the ubiquitination and degradation of PIF5 in response to red light through the 26S proteasome pathway. Genetic analysis illustrates that overexpression of PIF5 can partially suppress both cop1-4 and spaQ seedling de-etiolation phenotypes under dark and red-light conditions. In addition, the PIF5 protein level cycles under both diurnal and constant light conditions, which is also defective in the cop1-4 and spaQ backgrounds. Both cop1-4 and spaQ show defects in diurnal growth pattern. Overexpression of PIF5 partially restores growth defects in cop1-4 and spaQ under diurnal conditions, suggesting that the COP1-SPA complex plays an essential role in photoperiodic hypocotyl growth, partly through regulating the PIF5 level. Taken together, our data illustrate how the CUL4 COP 1- SPA E3 ligase dynamically controls the PIF5 level to regulate plant development.
(© 2018 The Authors The Plant Journal © 2018 John Wiley & Sons Ltd.)
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معلومات مُعتمدة: R01 GM114297 United States GM NIGMS NIH HHS; 1R01 GM-114297 United States GM NIGMS NIH HHS
فهرسة مساهمة: Keywords: E3 ubiquitin ligase; bHLH transcription factor; photomorphogenesis; photoperiodic hypocotyl growth; proteasome degradation
المشرفين على المادة: 0 (Arabidopsis Proteins)
0 (Basic Helix-Loop-Helix Transcription Factors)
0 (Multiprotein Complexes)
0 (PIF5 protein, Arabidopsis)
EC 2.3.2.27 (AT2G32950 protein, Arabidopsis)
EC 2.3.2.27 (Ubiquitin-Protein Ligases)
تواريخ الأحداث: Date Created: 20180826 Date Completed: 20190730 Latest Revision: 20191001
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC6177295
DOI: 10.1111/tpj.14074
PMID: 30144338
قاعدة البيانات: MEDLINE
الوصف
تدمد:1365-313X
DOI:10.1111/tpj.14074