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Reference Detail
| Reference | ||
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| Author | Hong Y., Wang H., Gao Y., Bi Y., Xiong X., Yan Y., Wang J., Li D., Song F. | |
| Title | ERF Transcription Factor OsBIERF3 Positively Contributes to Immunity against Fungal and Bacterial Diseases but Negatively Regulates cold tolerance in Rice. | |
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Abstract: We previously showed that overexpression of the rice ERF transcription factor gene <i>OsBIERF3</i> in tobacco increased resistance against different pathogens. Here, we report the function of <i>OsBIERF3</i> in rice immunity and abiotic stress tolerance. Expression of <i>OsBIERF3</i> was induced by <i>Xanthomonas oryzae</i> pv. <i>oryzae</i>, hormones (e.g., salicylic acid, methyl jasmonate, 1-aminocyclopropane-1-carboxylic acid, and abscisic acid), and abiotic stress (e.g., drought, salt and cold stress). OsBIERF3 has transcriptional activation activity that depends on its C-terminal region. The <i>OsBIERF3</i>-overexpressing (OsBIERF3-OE) plants exhibited increased resistance while <i>OsBIERF3</i>-suppressed (OsBIERF3-Ri) plants displayed decreased resistance to <i>Magnaporthe oryzae</i> and <i>X. oryzae</i> pv. <i>oryzae</i>. A set of genes including those for PRs and MAPK kinases were up-regulated in OsBIERF3-OE plants. Cell wall biosynthetic enzyme genes were up-regulated in OsBIERF3-OE plants but down-regulated in OsBIERF3-Ri plants; accordingly, cell walls became thicker in OsBIERF3-OE plants but thinner in OsBIERF3-Ri plants than WT plants. The OsBIERF3-OE plants attenuated while OsBIERF3-Ri plants enhanced cold tolerance, accompanied by altered expression of cold-responsive genes and proline accumulation. Exogenous abscisic acid and 1-aminocyclopropane-1-carboxylic acid, a precursor of ethylene biosynthesis, restored the attenuated cold tolerance in OsBIERF3-OE plants while exogenous AgNO3, an inhibitor of ethylene action, significantly suppressed the enhanced cold tolerance in OsBIERF3-Ri plants. These data demonstrate that OsBIERF3 positively contributes to immunity against <i>M. oryzae</i> and <i>X. oryzae</i> pv. <i>oryzae</i> but negatively regulates cold stress tolerance in rice. |
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| Journal | Int J Mol Sci | |
| Country | China | |
| Volume | 23(2) | |
| Pages | ||
| Year | 2022 | |
| PubMed ID | 35054806 | |
| PubMed Central ID | 8775505 | |
| DOI | 10.3390/ijms23020606 | |
| URL | - | |
| Relation | ||
| Gene | CAL1 CDPK7 CSLA7 CSLA9 DSG1 ERF91 LTI6A LTI6B MKK3 MSRMK2 MYBS3 OLP1 TRXH _ _ _ _ | |
| 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 | - | |
