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Reference Detail
| Reference | ||
|---|---|---|
| Author | Tian L., Chou H.L., Zhang L., Hwang S.K., Starkenburg S.R., Doroshenk K.A., Kumamaru T., Okita T.W. | |
| Title | RNA-binding protein RBP-P Is Required for Glutelin and Prolamine mRNA Localization in Rice Endosperm Cells. | |
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Abstract: In developing rice (<i>Oryza sativa</i>) endosperm, mRNAs of the major storage proteins, glutelin and prolamine, are transported and anchored to distinct subdomains of the cortical endoplasmic reticulum. RNA binding protein RBP-P binds to both glutelin and prolamine mRNAs, suggesting a role in some aspect of their RNA metabolism. Here, we show that rice lines expressing mutant RBP-P mislocalize both glutelin and prolamine mRNAs. Different mutant RBP-P proteins exhibited varying degrees of reduced RNA binding and/or protein-protein interaction properties, which may account for the mislocalization of storage protein RNAs. In addition, partial loss of RBP-P function conferred a broad phenotypic variation ranging from dwarfism, chlorophyll deficiency, and sterility to late flowering and low spikelet fertility. Transcriptome analysis highlighted the essential role of RBP-P in regulating storage protein genes and several essential biological processes during grain development. Overall, our data demonstrate the significant roles of RBP-P in glutelin and prolamine mRNA localization and in the regulation of genes important for plant growth and development through its RNA binding activity and cooperative regulation with interacting proteins. |
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| Journal | Plant Cell | |
| Country | unknown | |
| Volume | 30(10) | |
| Pages | 2529-2552 | |
| Year | 2018 | |
| PubMed ID | 30190374 | |
| PubMed Central ID | 6241268 | |
| DOI | 10.1105/tpc.18.00321 | |
| URL | - | |
| Relation | ||
| Gene | ABCB12 CRL4 CYSP13 DEFL13 DEFL15 DEFL43 EXPA16 IAA6 NAC129 NHL25 PRO10.3 PRO13B.1 PRO13B.18 PRO16.1 RBP-208 RBP-L RBP-P RBP10 RBP213 RR6 _ _ _ _ _ _ _ _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
