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20231225174454.0 |
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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17235
|2 doi
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|a pubmed24n1069.xml
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|a (DE-627)NLM320831647
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|a (NLM)33521967
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a He, Guanhua
|e verfasserin
|4 aut
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| 245 |
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|a The transcription factor TaLAX1 interacts with Q to antagonistically regulate grain threshability and spike morphogenesis in bread wheat
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| 264 |
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors New Phytologist © 2021 New Phytologist Foundation.
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|a The domestication gene Q is largely responsible for the widespread cultivation of wheat because it confers multiple domestication traits. However, the underlying molecular mechanisms of how Q regulates these domestication traits remain unclear. In this study, we identify a Q-interacting protein TaLAX1, a basic helix-loop-helix transcription factor, through yeast two-hybrid assays. Using biochemical and genetic approaches, we explore the roles of TaLAX1 in regulating wheat domestication traits. Overexpression of TaLAX1 produces phenotypes, reminiscent of the q allele; loss-of-function Talax1 mutations confer compact spikes, largely similar to the Q-overexpression wheat lines. The two transcription factors TaLAX1 and Q disturb each other's activity to antagonistically regulate the expression of the lignin biosynthesis-related gene TaKNAT7-4D. More interestingly, a natural variation (InDel, +/- TATA), which occurs in the promoter of TaLAX1, is associated with the promoter activity difference between the D subgenome of bread wheat and its ancestor Aegilops tauschii accession T093. This study reveals that the transcription factor TaLAX1 physically interacts with Q to antagonistically regulate wheat domestication traits and a natural variation (InDel, +/- TATA) is associated with the diversification of TaLAX1 promoter activity
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a Q
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|a TaLAX1
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|a domestication
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|a transcription factor
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|a wheat
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| 650 |
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|a Transcription Factors
|2 NLM
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| 700 |
1 |
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|a Zhang, Yunwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Pan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jing, Yexing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lichao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Yingfang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kong, Xiuying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Huixian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Jiaqiang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 230(2021), 3 vom: 15. Mai, Seite 988-1002
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:230
|g year:2021
|g number:3
|g day:15
|g month:05
|g pages:988-1002
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|u http://dx.doi.org/10.1111/nph.17235
|3 Volltext
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