WOX2 functions redundantly with WOX1 and WOX4 to positively regulate seed germination in Arabidopsis
© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
MAIN CONCLUSION: WOX family gene WOX2 is highly expressed during seed development, which functions redundantly with WOX1 and WOX4 to positively regulate seed germination. WOX (WUSCHEL-related homeobox) is a family of transcription factors in plants. They play essential roles in the regulation of plant growth and development, but their function in seed germination is not well understood. In this report, we show that WOX1, WOX2, and WOX4 are close homologues in Arabidopsis. WOX2 has a redundant function with WOX1 and WOX4, respectively, in seed germination. WOX2 is highly expressed during seed development, from the globular embryonic stage to mature dry seeds, and its expression is decreased after germination. Loss of function single mutant wox2, and double mutants wox1 wox2 and wox2 wox4-1 show decreased germination speed. WOX2 and WOX4 are essential for hypocotyl-radicle zone elongation during germination, potentially by promoting the expression of cell wall-related genes. We also found that WOX2 and WOX4 regulate germination through the gibberellin (GA) pathway. These results suggest that WOX2 and WOX4 integrate the GA pathway and downstream cell wall-related genes during germination.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:259 |
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| Enthalten in: |
Planta - 259(2024), 4 vom: 05. März, Seite 83 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Yue [VerfasserIn] |
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| Links: |
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| Themen: |
Arabidopsis |
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| Anmerkungen: |
Date Completed 06.03.2024 Date Revised 24.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00425-024-04357-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM369315308 |
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| 520 | |a MAIN CONCLUSION: WOX family gene WOX2 is highly expressed during seed development, which functions redundantly with WOX1 and WOX4 to positively regulate seed germination. WOX (WUSCHEL-related homeobox) is a family of transcription factors in plants. They play essential roles in the regulation of plant growth and development, but their function in seed germination is not well understood. In this report, we show that WOX1, WOX2, and WOX4 are close homologues in Arabidopsis. WOX2 has a redundant function with WOX1 and WOX4, respectively, in seed germination. WOX2 is highly expressed during seed development, from the globular embryonic stage to mature dry seeds, and its expression is decreased after germination. Loss of function single mutant wox2, and double mutants wox1 wox2 and wox2 wox4-1 show decreased germination speed. WOX2 and WOX4 are essential for hypocotyl-radicle zone elongation during germination, potentially by promoting the expression of cell wall-related genes. We also found that WOX2 and WOX4 regulate germination through the gibberellin (GA) pathway. These results suggest that WOX2 and WOX4 integrate the GA pathway and downstream cell wall-related genes during germination | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Gibberellin | |
| 650 | 4 | |a Seed germination | |
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| 650 | 7 | |a WOX4 protein, Arabidopsis |2 NLM | |
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| 700 | 1 | |a Han, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yongxiu |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Hong |e verfasserin |4 aut | |
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