Sulfur deficiency-induced genes affect seed protein accumulation and composition under sulfate deprivation
| Autor: | Michal Gorka, Franziska Brückner, Zoran Nikoloski, Patrick Giavalisco, Youjun Zhang, Rouhollah Barahimipour, Alexander Graf, Nooshin Omranian, Apidet Rakpenthai, Fayezeh Aarabi, Mutsumi Watanabe, Alisdair R. Fernie, Saleh Alseekh, Takayuki Tohge, Rainer Hoefgen, Mohamed A. Salem |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Regular Issue
AcademicSubjects/SCI01280 Physiology Arabidopsis chemistry.chemical_element Plant Science Genes Plant chemistry.chemical_compound Biochemistry and Metabolism Gene Expression Regulation Plant Genetics Arabidopsis thaliana Storage protein Transcription factor Gene Research Articles chemistry.chemical_classification AcademicSubjects/SCI01270 biology Chemistry Arabidopsis Proteins Sulfates AcademicSubjects/SCI02288 AcademicSubjects/SCI02287 AcademicSubjects/SCI02286 food and beverages biology.organism_classification Sulfur Biochemistry Glucosinolate Seeds Homeostasis |
| Zdroj: | Plant Physiology |
| ISSN: | 0032-0889 |
| Popis: | Sulfur deficiency-induced proteins SDI1 and SDI2 play a fundamental role in sulfur homeostasis under sulfate-deprived conditions (−S) by downregulating glucosinolates. Here, we identified that besides glucosinolate regulation under –S, SDI1 downregulates another sulfur pool, the S-rich 2S seed storage proteins in Arabidopsis (Arabidopsis thaliana) seeds. We identified that MYB28 directly regulates 2S seed storage proteins by binding to the At2S4 promoter. We also showed that SDI1 downregulates 2S seed storage proteins by forming a ternary protein complex with MYB28 and MYC2, another transcription factor involved in the regulation of seed storage proteins. These findings have significant implications for the understanding of plant responses to sulfur deficiency. Sulfur Deficiency Induced1 (SDI1) upregulates S-poor seed storage proteins in favor of S-rich seed storage proteins. |
| Databáze: | OpenAIRE |
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