MS2/GmAMS1 encodes a bHLH transcription factor important for tapetum degeneration in soybean

Yu, Junping; Xu, Yan; Huang, Yuanyuan; Zhu, Yuxue; Zhou, Lulu; Zhang, Yunpeng; Li, Bingyao; Liu, Hao; Fu, Aigen; Xu, Min

doi:10.1007/s00299-024-03300-0

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2024

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Cited by 2 publications

References 44 publications

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OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

Sun,

Zhong,

Tao

et al. 2024

Plant Cell Rep

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OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

Sun,

Zhong,

Tao

et al. 2024

Plant Cell Rep

View full text Add to dashboard Cite

OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

Sun,

Zhong,

Tao

et al. 2024

Preprint

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In their natural habitats, plants are concurrently attacked by different biotic factors. Xanthomonas oryzae pv. oryzae (Xoo) is a pathogen that severely deteriorates rice yield and quality, and brown planthopper (BPH; Nilaparvata lugens) is a rice specific insect pest with the damage topping other pathogens. Although genes for respective resistance to BPH and Xoo have been widely reported, few studies pay attention to simultaneous resistance to both. In this study, we identified a MYB transcription factor, OsMYB1, which exhibited diverse transcriptional regulatory capabilities and a negative regulatory role in resistance to both BPH and Xoo. Biochemical and genetic analysis proved OsMYB1 to be a TF that could interact with OsSPL14, a positive regulator of rice resistance to Xoo. OsSPL14 mutants showed increased sensitivity to BPH, suggesting that OsSPL14 is contrary to OsMYB1in regulating rice resistance to these two biotic stresses. Consistently, OsMYB1 and OsSPL14 displayed opposite functions in regulating defense-related genes. OsMYB1 can form transcription regulation complexes with repressor OsJAZs instead of co-repressor TOPLESS to possibly realize its transcriptional repression function. Taken together, we concluded that two interacting TFs in rice, OsMYB1 and OsSPL14, played antagonistic roles in regulating resistance to BPH and Xoo.

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MS2/GmAMS1 encodes a bHLH transcription factor important for tapetum degeneration in soybean

Cited by 2 publications

References 44 publications

OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

OsMYB1 antagonizes OsSPL14 to mediate rice resistance to brown planthopper and Xanthomonas oryzae pv. oryzae

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