ArticleThe Plant cell2024
CAM evolution is associated with gene family expansion in an explosive bromeliad radiation.
Article in The Plant cell, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Genomic basis of scent loss and functional divergence in wild and cultivated carnations (Horticulture research · 2026Article
- Clusia genomes shed light on the evolution and diversity of crassulacean acid metabolism physiotypes.Nature communications · 2026Article
- Divergent Transcriptional Architectures Beyond Core CAM Genes in Facultative and Constitutive CAM Species in Tillandsia L.Molecular ecology · 2026Article
- The Explosive Radiation of the Neotropical Tillandsia Subgenus Tillandsia (Bromeliaceae) Has Been Accompanied by Pervasive Hybridization.Systematic biology · 2026Article
- The different routes of parallel evolution in epiarenic growth in a hyperarid desert environment.Frontiers in plant science · 2026Article
- Genome-Wide Identification and Expression Analysis of theCurrent issues in molecular biology · 2025Article
- Genomic characterization of repetitive DNA and transposable elements in Dyckia (Pitcairnioideae) species.BMC research notes · 2025Article
- Genome-Wide Identification and Functional Analysis ofInternational journal of molecular sciences · 2025Article
- Tracing the evolutionary and genetic footprints of atmospheric tillandsioids transition from land to air.Nature communications · 2024Article
- Focus on photosynthesis.The Plant cell · 2024Article
- Air plant genomes shed light on photosynthesis innovation.The Plant cell · 2024Article
- Genome-wide analysis of theFrontiers in plant science · 2024Article
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Authors and funding
17 authors.
Funding
Abstract
The subgenus Tillandsia (Bromeliaceae) belongs to one of the fastest radiating clades in the plant kingdom and is characterized by the repeated evolution of Crassulacean acid metabolism (CAM). Despite its complex genetic basis, this water-conserving trait has evolved independently across many plant families and is regarded as a key innovation trait and driver of ecological diversification in Bromeliaceae. By producing high-quality genome assemblies of a Tillandsia species pair displaying divergent photosynthetic phenotypes, and combining genome-wide investigations of synteny, transposable element (TE) dynamics, sequence evolution, gene family evolution, and temporal differential expression, we were able to pinpoint the genomic drivers of CAM evolution in Tillandsia. Several large-scale rearrangements associated with karyotype changes between the 2 genomes and a highly dynamic TE landscape shaped the genomes of Tillandsia. However, our analyses show that rewiring of photosynthetic metabolism is mainly obtained through regulatory evolution rather than coding sequence evolution, as CAM-related genes are differentially expressed across a 24-h cycle between the 2 species but are not candidates of positive selection. Gene orthology analyses reveal that CAM-related gene families manifesting differential expression underwent accelerated gene family expansion in the constitutive CAM species, further supporting the view of gene family evolution as a driver of CAM evolution.
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