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Reference Detail
| Reference | ||
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| Author | Jung KH,Seo YS,Walia H,Cao P,Fukao T,Canlas PE,Amonpant F,Bailey-Serres J,Ronald PC | |
| Title | The submergence tolerance regulator Sub1A mediates stress-responsive expression of AP2/ERF transcription factors. | |
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Abstract: We previously characterized the rice (Oryza sativa) Submergence1 (Sub1) locus encoding three ethylene-responsive factor (ERF) transcriptional regulators. Genotypes carrying the Sub1A-1 allele are tolerant of prolonged submergence. To elucidate the mechanism of Sub1A-1-mediated tolerance, we performed transcriptome analyses comparing the temporal submergence response of Sub1A-1-containing tolerant M202(Sub1) with the intolerant isoline M202 lacking this gene. We identified 898 genes displaying Sub1A-1-dependent regulation. Integration of the expression data with publicly available metabolic pathway data identified submergence tolerance-associated pathways governing anaerobic respiration, hormone responses, and antioxidant systems. Of particular interest were a set of APETALA2 (AP2)/ERF family transcriptional regulators that are associated with the Sub1A-1-mediated response upon submergence. Visualization of expression patterns of the AP2/ERF superfamily members in a phylogenetic context resolved 12 submergence-regulated AP2/ERFs into three putative functional groups: (1) anaerobic respiration and cytokinin-mediated delay in senescence via ethylene accumulation during submergence (three ERFs); (2) negative regulation of ethylene-dependent gene expression (five ERFs); and (3) negative regulation of gibberellin-mediated shoot elongation (four ERFs). These results confirm that the presence of Sub1A-1 impacts multiple pathways of response to submergence. |
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| Journal | Plant Physiol. | |
| Country | USA | |
| Volume | 152 | |
| Pages | 1674-92 | |
| Year | 2010 | |
| PubMed ID | 20107022 | |
| PubMed Central ID | - | |
| DOI | 10.1104/pp.109.152157 | |
| URL | - | |
| Relation | ||
| Gene | DREB1A DREB1B DREB1C EBP-89 EREBP1 ERF3 FZP SUB1B SUB1C | |
| 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 | - | |
