ArticleNature plants2025
Pan-phylum genomes of hornworts reveal conserved autosomes but dynamic accessory and sex chromosomes.
Article in Nature plants, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- CNGCs in Marchantia paleacea uncouple arbuscular mycorrhizal symbiosis and rhizoid development.The New phytologist · 2026Article
- Genomics is modifying our concepts of evolution in homosporous and heterosporous vascular plants.American journal of botany · 2026Review
- Review
- Kingdom-wide evolutionary characterization of RNA editing factors in Archaeplastida.Molecular biology and evolution · 2026Article
- The Biosynthesis and Functions of Flavonoids: Recent Advances From Studies Across Land Plant Diversity.Journal of the Royal Society of New Zealand · 2026Review
- Evolutionary history of sex and accessory chromosomes in hornworts.The New phytologist · 2025Article
- New insights into bryophyte arabinogalactan-proteins from a hornwort and a moss model organism.The Plant journal : for cell and molecular biology · 2025Article
- Sexual reproduction in land plants: an evolutionary perspective.Plant reproduction · 2025Review
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Authors and funding
13 authors.
Funding
Abstract
Hornworts, one of the three bryophyte phyla, show some of the deepest divergences in extant land plants, with some families separated by more than 300 million years. Previous hornwort genomes represented only one genus, limiting the ability to infer evolution within hornworts and their early land plant ancestors. Here we report ten new chromosome-scale genomes representing all hornwort families and most of the genera. We found that, despite the deep divergence, synteny was surprisingly conserved across all hornwort genomes, a pattern that might be related to the absence of whole-genome duplication. We further uncovered multiple accessory and putative sex chromosomes that are highly repetitive and CpG methylated. In contrast to autosomes, these chromosomes mostly lack syntenic relationships with one another and are evolutionarily labile. Notable gene retention and losses were identified, including those responsible for flavonoid biosynthesis, stomata patterning and phytohormone reception, which have implications in reconstructing the evolution of early land plants. Together, our pan-phylum genomes revealed an array of conserved and divergent genomic features in hornworts, highlighting the uniqueness of this deeply diverged lineage.
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