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The MdNAC72‐MdABI5 module acts as an interface integrating jasmonic acid and gibberellin signals and undergoes ubiquitination‐dependent degradation regulated by MdSINA2 in apple.

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Title: The MdNAC72‐MdABI5 module acts as an interface integrating jasmonic acid and gibberellin signals and undergoes ubiquitination‐dependent degradation regulated by MdSINA2 in apple.
Authors: Li, Hong‐Liang1,2 (AUTHOR), Xu, Rui‐Rui3 (AUTHOR), Guo, Xin‐Long2 (AUTHOR), Liu, Ya‐Jing4 (AUTHOR), You, Chun‐Xiang2 (AUTHOR), Han, Yuepeng1,5,6 (AUTHOR), An, Jian‐Ping1,2,5,6 (AUTHOR) anjianping@sdau.edu.cn
Source: New Phytologist. Aug2024, Vol. 243 Issue 3, p997-1016. 20p.
Subjects: Gibberellins, Jasmonic acid, Developmental programs, Genetic transcription, Biosynthesis
Abstract: Summary: Jasmonic acid (JA) and gibberellin (GA) coordinately regulate plant developmental programs and environmental cue responses. However, the fine regulatory network of the cross‐interaction between JA and GA remains largely elusive. In this study, we demonstrate that MdNAC72 together with MdABI5 positively regulates anthocyanin biosynthesis through an exquisite MdNAC72‐MdABI5‐MdbHLH3 transcriptional cascade in apple.MdNAC72 interacts with MdABI5 to promote the transcriptional activation of MdABI5 on its target gene MdbHLH3 and directly activates the transcription of MdABI5.The MdNAC72‐MdABI5 module regulates the integration of JA and GA signals in anthocyanin biosynthesis by combining with JA repressor MdJAZ2 and GA repressor MdRGL2a. MdJAZ2 disrupts the MdNAC72–MdABI5 interaction and attenuates the transcriptional activation of MdABI5 by MdNAC72. MdRGL2a sequesters MdJAZ2 from the MdJAZ2‐MdNAC72 protein complex, leading to the release of MdNAC72.The E3 ubiquitin ligase MdSINA2 is responsive to JA and GA signals and promotes ubiquitination‐dependent degradation of MdNAC72. The MdNAC72‐MdABI5 interface fine‐regulates the integration of JA and GA signals at the transcriptional and posttranslational levels by combining MdJAZ2, MdRGL2a, and MdSINA2. In summary, our findings elucidate the fine regulatory network connecting JA and GA signals with MdNAC72‐MdABI5 as the core in apple. [ABSTRACT FROM AUTHOR]
Copyright of New Phytologist 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.)
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DbLabel: Engineering Source
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  Data: The MdNAC72‐MdABI5 module acts as an interface integrating jasmonic acid and gibberellin signals and undergoes ubiquitination‐dependent degradation regulated by MdSINA2 in apple.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Hong‐Liang%22">Li, Hong‐Liang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Rui‐Rui%22">Xu, Rui‐Rui</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Xin‐Long%22">Guo, Xin‐Long</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ya‐Jing%22">Liu, Ya‐Jing</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22You%2C+Chun‐Xiang%22">You, Chun‐Xiang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Yuepeng%22">Han, Yuepeng</searchLink><relatesTo>1,5,6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22An%2C+Jian‐Ping%22">An, Jian‐Ping</searchLink><relatesTo>1,2,5,6</relatesTo> (AUTHOR)<i> anjianping@sdau.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22New+Phytologist%22">New Phytologist</searchLink>. Aug2024, Vol. 243 Issue 3, p997-1016. 20p.
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  Data: <searchLink fieldCode="DE" term="%22Gibberellins%22">Gibberellins</searchLink><br /><searchLink fieldCode="DE" term="%22Jasmonic+acid%22">Jasmonic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Developmental+programs%22">Developmental programs</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic+transcription%22">Genetic transcription</searchLink><br /><searchLink fieldCode="DE" term="%22Biosynthesis%22">Biosynthesis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Summary: Jasmonic acid (JA) and gibberellin (GA) coordinately regulate plant developmental programs and environmental cue responses. However, the fine regulatory network of the cross‐interaction between JA and GA remains largely elusive. In this study, we demonstrate that MdNAC72 together with MdABI5 positively regulates anthocyanin biosynthesis through an exquisite MdNAC72‐MdABI5‐MdbHLH3 transcriptional cascade in apple.MdNAC72 interacts with MdABI5 to promote the transcriptional activation of MdABI5 on its target gene MdbHLH3 and directly activates the transcription of MdABI5.The MdNAC72‐MdABI5 module regulates the integration of JA and GA signals in anthocyanin biosynthesis by combining with JA repressor MdJAZ2 and GA repressor MdRGL2a. MdJAZ2 disrupts the MdNAC72–MdABI5 interaction and attenuates the transcriptional activation of MdABI5 by MdNAC72. MdRGL2a sequesters MdJAZ2 from the MdJAZ2‐MdNAC72 protein complex, leading to the release of MdNAC72.The E3 ubiquitin ligase MdSINA2 is responsive to JA and GA signals and promotes ubiquitination‐dependent degradation of MdNAC72. The MdNAC72‐MdABI5 interface fine‐regulates the integration of JA and GA signals at the transcriptional and posttranslational levels by combining MdJAZ2, MdRGL2a, and MdSINA2. In summary, our findings elucidate the fine regulatory network connecting JA and GA signals with MdNAC72‐MdABI5 as the core in apple. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of New Phytologist 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/nph.19888
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 20
        StartPage: 997
    Subjects:
      – SubjectFull: Gibberellins
        Type: general
      – SubjectFull: Jasmonic acid
        Type: general
      – SubjectFull: Developmental programs
        Type: general
      – SubjectFull: Genetic transcription
        Type: general
      – SubjectFull: Biosynthesis
        Type: general
    Titles:
      – TitleFull: The MdNAC72‐MdABI5 module acts as an interface integrating jasmonic acid and gibberellin signals and undergoes ubiquitination‐dependent degradation regulated by MdSINA2 in apple.
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      – PersonEntity:
          Name:
            NameFull: Li, Hong‐Liang
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            NameFull: Xu, Rui‐Rui
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            NameFull: Guo, Xin‐Long
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            NameFull: Liu, Ya‐Jing
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            NameFull: You, Chun‐Xiang
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            NameFull: Han, Yuepeng
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            NameFull: An, Jian‐Ping
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            – D: 01
              M: 08
              Text: Aug2024
              Type: published
              Y: 2024
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              Value: 243
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