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Reference Detail
| Reference | ||
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| Author | Zhou S., Huang K., Zhou Y., Hu Y., Xiao Y., Chen T., Yin M., Liu Y., Xu M., Jiang X. | |
| Title | Degradome sequencing reveals an integrative miRNA-mediated gene interaction network regulating rice seed vigor. | |
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Abstract: It is well known that seed vigor is essential for agricultural production and rice (Oryza sativa L.) is one of the most important crops in the world. Though we previously reported that miR164c regulates rice seed vigor, but whether and how other miRNAs cooperate with miR164c to regulate seed vigor is still unknown. Based on degradome data of six RNA samples isolated from seeds of the wild-type (WT) indica rice cultivar 'Kasalath' as well as two modified lines in 'Kasalath' background (miR164c-silenced line [MIM164c] and miR164c overexpression line [OE164c]), which were subjected to either no aging treatment or an 8-day artificial aging treatment, 1247 different target transcripts potentially cleaved by 421 miRNAs were identified. The miRNA target genes were functionally annotated via GO and KEGG enrichment analyses. By STRING database assay, a miRNA-mediated gene interaction network regulating seed vigor in rice was revealed, which comprised at least four interconnected pathways: the miR5075-mediated oxidoreductase related pathway, the plant hormone related pathway, the miR164e related pathway, and the previously reported RPS27AA related pathway. Knockout and overexpression of the target gene Os02g0817500 of miR5075 decreased and enhanced seed vigor, respectively. By Y2H assay, the proteins encoded by five seed vigor-related genes, Os08g0295100, Os07g0633100, REFA1, OsPER1 and OsGAPC3, were identified to interact with Os02g0817500. miRNAs cooperate to regulate seed vigor in rice via an integrative gene interaction network comprising miRNA target genes and other functional genes. The result provided a basis for fully understanding the molecular mechanisms of seed vigor regulation. |
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| Journal | BMC Plant Biol. | |
| Country | China | |
| Volume | 22(1) | |
| Pages | 269 | |
| Year | 2022 | |
| PubMed ID | 35650544 | |
| PubMed Central ID | 9158300 | |
| DOI | 10.1186/s12870-022-03645-2 | |
| URL | - | |
| Relation | ||
| Gene | 1CYSPRXA CIP73 G4 GAPC KOB1 MIR164C MIR5075 NAC1 NAC104 NAC60 NAC88 NAM PSK3 RSR1 RST1 TIL1 TIR1 Y37 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
