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241104s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109254
|2 doi
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|a pubmed24n1590.xml
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|a (DE-627)NLM379756927
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|a (NLM)39489094
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|a (PII)S0981-9428(24)00922-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Luo, Yirou
|e verfasserin
|4 aut
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|a A R2R3-MYB transcription factor, FeR2R3-MYB, positively regulates anthocyanin biosynthesis and drought tolerance in common buckwheat (Fagopyrum esculentum)
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|c 2024
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 03.11.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a The R2R3-MYB transcription factors (TFs) play a crucial role in regulating plant secondary metabolism and abiotic stress responses, yet they are still poorly understood in common buckwheat (Fagopyrum esculentum), a valuable minor grain crop resource. In this study, a candidate gene, FeR2R3-MYB, was cloned from the anthocyanin-rich common buckwheat variety 'QZZTQ'. FeR2R3-MYB was found to contain two MYB DNA-binding domains and be located at the nucleus with transcriptional activation activity. Molecular analysis indicated that FeR2R3-MYB is predominantly expressed in flowering tissue and is highly responsive to environmental factors such as light, drought, and cold. In addition, the promoter of FeR2R3-MYB showed a positive correlation with fragment length. Further functional analysis suggested that FeR2R3-MYB not only participates in the anthocyanin biosynthetic pathway by interacting with leucoanthocyanidin reductase (FeLAR), but also enhances drought tolerance in common buckwheat. To sum up, FeR2R3-MYB exhibits positive effects on both pigment production (e.g., anthocyanin) and abiotic stress resistance, providing valuable insights for future research in buckwheat molecular breeding and resource development
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|a Journal Article
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|a Abiotic stress
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|a CRISPR/Cas9
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|a Interaction
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|a Secondary metabolism
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|a Stable overexpression
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|a Xu, Xiaoyu
|e verfasserin
|4 aut
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|a Yang, Lanfeng
|e verfasserin
|4 aut
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|a Zhu, Xudong
|e verfasserin
|4 aut
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|a Du, Yingbiao
|e verfasserin
|4 aut
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|a Fang, Zhengwu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 217(2024) vom: 30. Okt., Seite 109254
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:217
|g year:2024
|g day:30
|g month:10
|g pages:109254
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109254
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