دورية أكاديمية
Downregulation of PHYTOCHROME-INTERACTING FACTOR 4 Influences Plant Development and Fruit Production.
| العنوان: | Downregulation of PHYTOCHROME-INTERACTING FACTOR 4 Influences Plant Development and Fruit Production. |
|---|---|
| المؤلفون: | Rosado D; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Trench B; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Bianchetti R; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Zuccarelli R; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Rodrigues Alves FR; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Purgatto E; Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-000, São Paulo, SP, Brazil., Segal Floh EI; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Silveira Nogueira FT; Escola Superior de Agricultura 'Luiz de Queiroz', Universidade de São Paulo, 13418-900, Piracicaba, SP, Brazil., Freschi L; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil., Rossi M; Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil mmrossi@usp.br. |
| المصدر: | Plant physiology [Plant Physiol] 2019 Nov; Vol. 181 (3), pp. 1360-1370. Date of Electronic Publication: 2019 Sep 13. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Society of Plant Biologists Country of Publication: United States NLM ID: 0401224 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-2548 (Electronic) Linking ISSN: 00320889 NLM ISO Abbreviation: Plant Physiol Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Original Publication: Lancaster, Pa., American Society of Plant Physiologists. |
| مواضيع طبية MeSH: | Basic Helix-Loop-Helix Transcription Factors/*metabolism , Fruit/*growth & development , Fruit/*metabolism , Plant Proteins/*metabolism, Basic Helix-Loop-Helix Transcription Factors/genetics ; Gene Expression Regulation, Plant/genetics ; Gene Expression Regulation, Plant/physiology ; Indoleacetic Acids/metabolism ; Solanum lycopersicum/growth & development ; Solanum lycopersicum/metabolism ; Plant Proteins/genetics |
| مستخلص: | Plant development is highly dependent on the ability to perceive and cope with environmental changes. In this context, PIF proteins are key players in the cellular hub controlling responses to fluctuating light and temperature conditions. Reports in various plant species show that manipulation of the PIF4 level affects important agronomical traits. In tomato ( Solanum lycopersicum ), SlPIF1a and SlPIF3 regulate fruit nutraceutical composition. However, the wider role of this protein family, and the potential of their manipulation for the improvement of other traits, has not been explored. Here we report the effects of constitutive silencing of tomato SlPIF4 on whole-plant physiology and development. Ripening anticipation and higher carotenoid levels observed in SlPIF4 -silenced fruits revealed a redundant role of SlPIF4 in the accumulation of nutraceutical compounds. Furthermore, silencing triggered a significant reduction in plant size, flowering, fruit yield, and fruit size. This phenotype was most likely caused by reduced auxin levels and altered carbon partitioning. Impaired thermomorphogenesis and delayed leaf senescence were also observed in silenced plants, highlighting the functional conservation of PIF4 homologs in angiosperms. Overall, this work improves our understanding of the role of PIF proteins-and light signaling-in metabolic and developmental processes that affect yield and composition of fleshy fruits. (© 2019 American Society of Plant Biologists. All Rights Reserved.) |
| التعليقات: | Comment in: Plant Physiol. 2019 Nov;181(3):838-839. (PMID: 31685682) |
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| المشرفين على المادة: | 0 (Basic Helix-Loop-Helix Transcription Factors) 0 (Indoleacetic Acids) 0 (Plant Proteins) |
| تواريخ الأحداث: | Date Created: 20190915 Date Completed: 20200831 Latest Revision: 20240229 |
| رمز التحديث: | 20240229 |
| مُعرف محوري في PubMed: | PMC6836831 |
| DOI: | 10.1104/pp.19.00833 |
| PMID: | 31519788 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1532-2548 |
|---|---|
| DOI: | 10.1104/pp.19.00833 |