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Reference Detail
| Reference | ||
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| Author | Jung S.E., Bang S.W., Kim S.H., Seo J.S., Yoon H.B., Kim Y.S., Kim J.K. | |
| Title | Overexpression of <i>OsERF83</i>, a Vascular Tissue-Specific Transcription Factor Gene, Confers drought tolerance in Rice. | |
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Abstract: Abiotic stresses severely affect plant growth and productivity. To cope with abiotic stresses, plants have evolved tolerance mechanisms that are tightly regulated by reprogramming transcription factors (TFs). APETALA2/ethylene-responsive factor (AP2/ERF) transcription factors are known to play an important role in various abiotic stresses. However, our understanding of the molecular mechanisms remains incomplete. In this study, we identified the role of <i>OsERF83</i>, a member of the AP2/ERF transcription factor family, in response to drought stress. OsERF83 is a transcription factor localized to the nucleus and induced in response to various abiotic stresses, such as drought and abscisic acid (ABA). Overexpression of <i>OsERF83</i> in transgenic plants (<i>OsERF83OX</i>) significantly increased drought tolerance, with higher photochemical efficiency in rice. <i>OsERF83OX</i> was also associated with growth retardation, with reduced grain yields under normal growth conditions. <i>OsERF83</i> is predominantly expressed in the vascular tissue of all organs. Transcriptome analysis revealed that <i>OsERF83</i> regulates drought response genes, which are related to the transporter (<i>OsNPF8.10, OsNPF8.17, OsLH1),</i> lignin biosynthesis (<i>OsLAC17, OsLAC10, CAD8D)</i>, terpenoid synthesis (<i>OsTPS33, OsTPS14, OsTPS3)</i>, cytochrome P450 family (<i>Oscyp71Z4, CYP76M10</i>), and abiotic stress-related genes (<i>OsSAP, OsLEA14, PCC13-62). OsERF83</i> also up-regulates biotic stress-associated genes, including <i>PATHOGENESIS-RELATED PROTEIN</i> (<i>PR</i>), <i>WALL-ASSOCIATED KINASE</i> (<i>WAK</i>), <i>CELLULOSE SYNTHASE-LIKE PROTEIN E1</i> (<i>CslE1</i>), and <i>LYSM RECEPTOR-LIKE KINASE</i> (<i>RLK</i>) genes. Our results provide new insight into the multiple roles of <i>OsERF83</i> in the cross-talk between abiotic and biotic stress signaling pathways. |
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| Journal | Int J Mol Sci | |
| Country | South Korea | |
| Volume | 22(14) | |
| Pages | ||
| Year | 2021 | |
| PubMed ID | 34299275 | |
| PubMed Central ID | 8304134 | |
| DOI | 10.3390/ijms22147656 | |
| URL | - | |
| Relation | ||
| Gene | CAD8D CHIB1 CSLE1 CYP71Z4 CYP76M10 ERF83 HT KSL10 LAC10 LAC17 NPF8.17 PR1-73 PR4D PTR7 RLCK330 TET13 TPS14 TPS3 WAK89B WSI18 _ _ _ | |
| 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) |
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| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
