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Translating Ribosome Affinity Purification TRAP to Investigate Arabidopsis thaliana Root Development at a Cell Type-Specific Scale
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Evolutionary Dynamics of Plant TRM6/TRM61 Complexes.

Wenjie Yue1, Tong Chen1, Shuyi Liu1

  • 1College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China.

Plants (Basel, Switzerland)
|June 27, 2025
PubMed
Summary

The TRM61/TRM6 complex, crucial for plant mRNA regulation, shows conserved evolution across plant species. This study reveals its coordinated expression and potential selection during wheat domestication.

Keywords:
TRM6 and TRM61 homologsevolutionexpression profilesm1A methylationwheat

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Area of Science:

  • Plant molecular biology
  • Evolutionary genomics
  • Epigenetics

Background:

  • N1-methyladenosine (m1A) is a key mRNA modification in plants.
  • The TRM61/TRM6 complex acts as the writer for m1A58, impacting plant development and signaling.

Purpose of the Study:

  • To investigate the evolutionary dynamics of the TRM61/TRM6 methyltransferase complex across diverse plant lineages.
  • To understand the conservation and functional coordination of TRM6 and TRM61 homologs.

Main Methods:

  • Systematic identification of TRM6 and TRM61 homologs in 306 plant species.
  • Analysis of conserved structural motifs and gene expression patterns.
  • Examination of promoter cis-elements and allelic frequencies in wheat.

Main Results:

  • TRM6 and TRM61 homologs exhibit conserved evolutionary trajectories and coordinated expression.
  • In wheat, these genes show polyploidization-associated coordination, stress-responsive elements, and diverse expression profiles.
  • Allelic frequency differences suggest selection on TRM6 and TRM61 during wheat domestication.

Conclusions:

  • The TRM61/TRM6 complex is evolutionarily conserved with coordinated expression and function.
  • Regulatory elements and selection pressures on TRM6/TRM6 may have influenced wheat domestication and improvement.