دورية أكاديمية
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IPA1 Negatively Regulates Early Rice Seedling Development by Interfering with Starch Metabolism via the GA and WRKY Pathways.

التفاصيل البيبلوغرافية
العنوان: IPA1 Negatively Regulates Early Rice Seedling Development by Interfering with Starch Metabolism via the GA and WRKY Pathways.
المؤلفون: He Y; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Zhu M; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Li Z; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Jiang S; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., He Z; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Xu S; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Chen X; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Hu Z; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China., Zhang Z; State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China.
المصدر: International journal of molecular sciences [Int J Mol Sci] 2021 Jun 20; Vol. 22 (12). Date of Electronic Publication: 2021 Jun 20.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, [2000-
مواضيع طبية MeSH: Plant Development* , Signal Transduction*, DNA-Binding Proteins/*metabolism , Gibberellins/*metabolism , Oryza/*physiology , Seedlings/*growth & development , Starch/*metabolism , Transcription Factors/*metabolism, Gene Expression Regulation, Plant ; Germination/genetics ; Phenotype ; Protein Binding ; alpha-Amylases/metabolism
مستخلص: Ideal Plant Architecture 1 (IPA1) encodes SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 14 (SPL14) with a pleiotropic effect on regulating rice development and biotic stress responses. To investigate the role of IPA1 in early seedling development, we developed a pair of IPA1 / ipal -NILs and found that seed germination and early seedling growth were retarded in the ipa1 -NIL. Analysis of the soluble sugar content, activity of amylase, and expression of the α -amylase genes revealed that the starch metabolism was weakened in the ipa1 -NIL germinating seeds. Additionally, the content of bioactive gibberellin (GA) was significantly lower than that in the IPA1 -NIL seeds at 48 h of imbibition. Meanwhile, the expression of GA synthesis-related gene OsGA20ox1 was downregulated, whereas the expression of GA inactivation-related genes was upregulated in ipa1 -NIL seeds. In addition, the expression of OsWRKY51 and OsWRKY71 was significantly upregulated in ipa1 -NIL seeds. Using transient dual-luciferase and yeast one-hybrid assays, IPA1 was found to directly activate the expression of OsWRKY51 and OsWRKY71 , which would interfere with the binding affinity of GA-induced transcription factor OsGAMYB to inhibit the expression of α -amylase genes. In summary, our results suggest that IPA1 negatively regulates seed germination and early seedling growth by interfering with starch metabolism via the GA and WRKY pathways.
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معلومات مُعتمدة: 31901522 National Natural Science Foundation of China; 2016ZX08001004-002 Special Transgenic Program of Chinese Ministry of Agriculture
فهرسة مساهمة: Keywords: IPA1/OsSPL14; WRKY; gibberellin (GA); rice (Oryza sativa L.); seed germination
المشرفين على المادة: 0 (DNA-Binding Proteins)
0 (Gibberellins)
0 (Transcription Factors)
9005-25-8 (Starch)
EC 3.2.1.1 (alpha-Amylases)
تواريخ الأحداث: Date Created: 20210702 Date Completed: 20210720 Latest Revision: 20210720
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC8234402
DOI: 10.3390/ijms22126605
PMID: 34203082
قاعدة البيانات: MEDLINE
الوصف
تدمد:1422-0067
DOI:10.3390/ijms22126605