ArticleThe Plant journal : for cell and molecular biology2025
The auxin gatekeepers: Evolution and diversification of the YUCCA family.
Article in The Plant journal : for cell and molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Biosynthesis of pathogen-induced hydroxylated tryptamine derivatives in barley.Plant physiology · 2026Article
- The Role of Endogenous Hormones in Regulating Early Development of Stone Fruit.Plants (Basel, Switzerland) · 2026Review
- Genome-Wide Analysis of thePlants (Basel, Switzerland) · 2026Article
- Genomic imprinting in an early-diverging angiosperm reveals an ancient mechanism for seed initiation in flowering plants.The New phytologist · 2026Article
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Authors and funding
5 authors.
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Abstract
The critically important YUCCA (YUC) gene family is highly conserved and specific to the plant kingdom, primarily responsible for the final and rate-limiting step for indole-3-acetic acid (IAA) biosynthesis. IAA is an essential phytohormone, involved in virtually all aspects of plant growth and development. In addition, IAA is involved in fine-tuning plant responses to biotic and abiotic interactions and stresses. While the YUC gene family has significantly expanded throughout the plant kingdom, a detailed analysis of the evolutionary patterns driving this diversification has not been performed. Here, we present a comprehensive phylogenetic analysis of the YUC family, combining YUCs from species representing key evolutionary plant lineages. The evolutionary history of YUCs is complex and suggests multiple recruitment events via horizontal gene transfer from bacteria. We identify and hierarchically classify the YUC family into an early diverging grade, five distinct classes and 41 subclasses. Angiosperm YUC diversity and expansion are explained in the context of protein sequence conservation, as well as spatial and gene expression patterns. The presented YUC gene landscape offers new perspectives on the distribution and evolutionary trends of this crucial family, which facilitates further YUC characterization within plant development and response to environmental change.
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