Diversity in the Architecture of ATLs, a Family of Plant Ubiquitin-Ligases, Leads to Recognition and Targeting of Substrates in Different Cellular Environments
2011

Diversity of ATL Ubiquitin-Ligases in Plants

Sample size: 24 publication Evidence: moderate

Author Information

Author(s): Victor Aguilar-Hernández, Laura Guzmán, Plinio

Primary Institution: Departamento de Ingeniería Genética de Plantas, Centro de Investigación y de Estudios Avanzados, Unidad Irapuato, Irapuato, México

Hypothesis

The study investigates the evolutionary history and functional diversity of the ATL family of RING finger E3 ubiquitin-ligases in plants.

Conclusion

The analysis reveals significant observations on the evolution and expansion of the ATL family, highlighting their potential roles in plant adaptation to environmental stress.

Supporting Evidence

  • ATLs were found in all 24 plant species analyzed, with numbers ranging from 20–28 in two basal species to 162 in soybean.
  • Phylogenetic analysis classified ATLs into 9 groups based on their domain architecture.
  • Yeast two-hybrid assays identified potential protein-protein interaction regions in ATLs.

Takeaway

Scientists studied a family of proteins in plants that help control other proteins' levels, which is important for how plants respond to stress.

Methodology

Phylogenetic analysis and yeast two-hybrid assays were used to study the ATL family across 24 plant genomes.

Limitations

The functional analysis of large gene families is challenging due to gene redundancy and subtle phenotypic alterations.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023934

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