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Reference Detail
| Reference | ||
|---|---|---|
| Author | Xu C., Liu Y., Li Y., Xu X., Xu C., Li X., Xiao J., Zhang Q. | |
| Title | Differential expression of GS5 regulates grain size.in rice. | |
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Abstract: Grain weight is a major determinant of grain yield. GS5 is a positive regulator of grain size.such that grain width, filling, and weight are correlated with its expression level. Previous work suggested that polymorphisms of GS5 in the promoter region might be responsible for the variation in grain size. In this study, two single nucleotide polymorphisms (SNPs) between the wide-grain allele GS5-1 and the narrow-grain allele GS5-2 in the upstream region of the gene that were responsible for the differential expression in developing young panicles were identified. These two polymorphs altered the responses of the GS5 alleles to abscisic acid (ABA) treatments, resulting in higher expression of GS5-1 than of GS5-2 in developing young panicles. It was also shown that SNPs in light-responsive elements of the promoter altered the response to light induction, leading to higher expression of GS5-2 than GS5-1 in leaves. Enhanced expression of GS5 competitively inhibits the interaction between OsBAK1-7 and OsMSBP1 by occupying the extracellular leucine-rich repeat (LRR) domain of OsBAK1-7, thus preventing OsBAK1-7 from endocytosis caused by interacting with OsMSBP1, providing an explanation for the positive association between grain size.and GS5 expression. These results advanced our understanding of the molecular mechanism by which GS5 controls grain size. |
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| Journal | J. Exp. Bot. | |
| Country | China | |
| Volume | 66(9) | |
| Pages | 2611-23 | |
| Year | 2015 | |
| PubMed ID | 25711711 | |
| PubMed Central ID | - | |
| DOI | 10.1093/jxb/erv058 | |
| URL | - | |
| Relation | ||
| Gene | CPD1 CPD2B CPD3 CPD3L DOCS1 GOM1 GS5 MSBP2 SCP1 SCP11 SCP12 SCP13 SCP14 SCP15 SCP16 SCP17 SCP18 SCP19 SCP2 SCP20 SCP21 SCP22 SCP23 SCP24 SCP25 SCP27 SCP29 SCP3 SCP30 SCP31 SCP32 SCP33 SCP34 SCP35 SCP36 SCP37 SCP38 SCP4 SCP40 SCP41 SCP42 SCP43 SCP44 SCP45 SCP47 SCP48 SCP49 SCP5 SCP51 SCP52 SCP53 SCP54 SCP56 SCP57 SCP59 SCP61 SCP63 SCP64 SCP66 SCP7 SCP8 SCP9 SERK1 SERL1 SERL2 SERL5 SERL8 SG2 TMS10 _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
|
Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
