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Jasmonate induces biosynthesis of anthocyanin and proanthocyanidin in apple by mediating the JAZ1–TRB1–MYB9 complex.

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Title: Jasmonate induces biosynthesis of anthocyanin and proanthocyanidin in apple by mediating the JAZ1–TRB1–MYB9 complex.
Authors: An, Jian‐Ping1 (AUTHOR), Xu, Rui‐Rui2 (AUTHOR), Liu, Xin3 (AUTHOR), Zhang, Jiu‐Cheng1 (AUTHOR), Wang, Xiao‐Fei1 (AUTHOR), You, Chun‐Xiang1 (AUTHOR) youchunxiang@sdau.edu.cn, Hao, Yu‐Jin1 (AUTHOR) haoyujin@sdau.edu.cn
Source: Plant Journal. Jun2021, Vol. 106 Issue 5, p1414-1430. 17p.
Subjects: Proanthocyanidins, Anthocyanins, Biosynthesis, Biological assay, Jasmonate
Abstract: SUMMARY: Jasmonate (JA) induces the biosynthesis of anthocyanin and proanthocyanidin. MdMYB9 is essential for modulating the accumulation of both anthocyanin and proanthocyanidin in apple, but the molecular mechanism for induction of anthocyanin and proanthocyanidin biosynthesis by JA is unclear. In this study, we discovered an apple telomere‐binding protein (MdTRB1) to be the interacting protein of MdMYB9. A series of biological assays showed that MdTRB1 acted as a positive modulator of anthocyanin and proanthocyanidin accumulation, and is dependent on MdMYB9. MdTRB1 interacted with MdMYB9 and enhanced the activation activity of MdMYB9 to its downstream genes. In addition, we found that the JA signaling repressor MdJAZ1 interacted with MdTRB1 and interfered with the interaction between MdTRB1 and MdMYB9, therefore negatively modulating MdTRB1‐promoted biosynthesis of anthocyanin and proanthocyanidin. These results show that the JAZ1–TRB1–MYB9 module dynamically modulates JA‐mediated accumulation of anthocyanin and proanthocyanidin. Taken together, our data further expand the functional study of TRB1 and provide insights for further studies of the modulation of anthocyanin and proanthocyanidin biosynthesis by JA. Significance Statement: The apple telomere‐binding protein MdTRB1 positively modulates JA‐mediated accumulation of anthocyanin and proanthocyanidin by interacting with MdMYB9 and enhancing the activation activity of MdMYB9 to MdANS and MdANR. The JA signaling repressor MdJAZ1 interacted with MdTRB1 and interfered with the interaction between MdTRB1 and MdMYB9, therefore negatively modulating MdTRB1‐promoted biosynthesis of anthocyanin and proanthocyanidin. [ABSTRACT FROM AUTHOR]
Copyright of Plant Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Jasmonate induces biosynthesis of anthocyanin and proanthocyanidin in apple by mediating the JAZ1–TRB1–MYB9 complex.
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  Data: <searchLink fieldCode="AR" term="%22An%2C+Jian‐Ping%22">An, Jian‐Ping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Rui‐Rui%22">Xu, Rui‐Rui</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Xin%22">Liu, Xin</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jiu‐Cheng%22">Zhang, Jiu‐Cheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiao‐Fei%22">Wang, Xiao‐Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22You%2C+Chun‐Xiang%22">You, Chun‐Xiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> youchunxiang@sdau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hao%2C+Yu‐Jin%22">Hao, Yu‐Jin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> haoyujin@sdau.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Plant+Journal%22">Plant Journal</searchLink>. Jun2021, Vol. 106 Issue 5, p1414-1430. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Proanthocyanidins%22">Proanthocyanidins</searchLink><br /><searchLink fieldCode="DE" term="%22Anthocyanins%22">Anthocyanins</searchLink><br /><searchLink fieldCode="DE" term="%22Biosynthesis%22">Biosynthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Biological+assay%22">Biological assay</searchLink><br /><searchLink fieldCode="DE" term="%22Jasmonate%22">Jasmonate</searchLink>
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  Data: SUMMARY: Jasmonate (JA) induces the biosynthesis of anthocyanin and proanthocyanidin. MdMYB9 is essential for modulating the accumulation of both anthocyanin and proanthocyanidin in apple, but the molecular mechanism for induction of anthocyanin and proanthocyanidin biosynthesis by JA is unclear. In this study, we discovered an apple telomere‐binding protein (MdTRB1) to be the interacting protein of MdMYB9. A series of biological assays showed that MdTRB1 acted as a positive modulator of anthocyanin and proanthocyanidin accumulation, and is dependent on MdMYB9. MdTRB1 interacted with MdMYB9 and enhanced the activation activity of MdMYB9 to its downstream genes. In addition, we found that the JA signaling repressor MdJAZ1 interacted with MdTRB1 and interfered with the interaction between MdTRB1 and MdMYB9, therefore negatively modulating MdTRB1‐promoted biosynthesis of anthocyanin and proanthocyanidin. These results show that the JAZ1–TRB1–MYB9 module dynamically modulates JA‐mediated accumulation of anthocyanin and proanthocyanidin. Taken together, our data further expand the functional study of TRB1 and provide insights for further studies of the modulation of anthocyanin and proanthocyanidin biosynthesis by JA. Significance Statement: The apple telomere‐binding protein MdTRB1 positively modulates JA‐mediated accumulation of anthocyanin and proanthocyanidin by interacting with MdMYB9 and enhancing the activation activity of MdMYB9 to MdANS and MdANR. The JA signaling repressor MdJAZ1 interacted with MdTRB1 and interfered with the interaction between MdTRB1 and MdMYB9, therefore negatively modulating MdTRB1‐promoted biosynthesis of anthocyanin and proanthocyanidin. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Plant Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/tpj.15245
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      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 1414
    Subjects:
      – SubjectFull: Proanthocyanidins
        Type: general
      – SubjectFull: Anthocyanins
        Type: general
      – SubjectFull: Biosynthesis
        Type: general
      – SubjectFull: Biological assay
        Type: general
      – SubjectFull: Jasmonate
        Type: general
    Titles:
      – TitleFull: Jasmonate induces biosynthesis of anthocyanin and proanthocyanidin in apple by mediating the JAZ1–TRB1–MYB9 complex.
        Type: main
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          Name:
            NameFull: An, Jian‐Ping
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            NameFull: Xu, Rui‐Rui
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            NameFull: Liu, Xin
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            NameFull: Zhang, Jiu‐Cheng
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            NameFull: Wang, Xiao‐Fei
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            NameFull: You, Chun‐Xiang
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            NameFull: Hao, Yu‐Jin
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          Dates:
            – D: 01
              M: 06
              Text: Jun2021
              Type: published
              Y: 2021
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              Value: 106
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            – TitleFull: Plant Journal
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