ArticleAnnals of botany2020
Genome size and endopolyploidy evolution across the moss phylogeny.
Article in Annals of botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 32 citations in OpenAlex.
- Abiotic Stress Responses inPlants (Basel, Switzerland) · 2026Article
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- The genome sequence ofWellcome open research · 2026Article
- Distinct patterns of genome size evolution in each bryophyte lineage are not correlated with whole genome duplication.Annals of botany · 2025Article
- The trxG protein ULT1 regulates Arabidopsis organ size by interacting with TCP14/15 to antagonize the LIM peptidase DA1 for H3K4me3 on target genes.Plant communications · 2024Article
- The genome sequence of the tree-moss,Wellcome open research · 2024Article
- High endoreduplication after drought-related conditions in haploid but not diploid mosses.Annals of botany · 2023Article
- Estimating transcriptome complexities across eukaryotes.BMC genomics · 2023Article
- Nuclear DNA Amounts in Chinese Bryophytes Estimated by Flow Cytometry: Variation Patterns and Biological Significances.Plants (Basel, Switzerland) · 2023Article
- The genome size, chromosome number and the seed adaption to long-distance dispersal ofFrontiers in plant science · 2023Article
- Genome size and endoreplication in two pairs of cytogenetically contrasting species ofAoB PLANTS · 2022Article
- Are chromosome number and genome size associated with habit and environmental niche variables? Insights from the Neotropical orchids.Annals of botany · 2022Article
- Consequences of whole genome duplication for 2n pollen performance.Plant reproduction · 2021Review
- The nature of intraspecific and interspecific genome size variation in taxonomically complex eyebrights.Annals of botany · 2021Article
- Charting the genomic landscape of seed-free plants.Nature plants · 2021Review
- Insights Into the Evolutionary History of the Subfamily Orthotrichoideae (Orthotrichaceae, Bryophyta): New and Former Supra-Specific Taxa So Far Obscured by Prevailing Homoplasy.Frontiers in plant science · 2021Article
- Article
- Towards completing understanding of genome size characters in plants. A commentary on: 'Genome size and endopolyploidy evolution across the moss phylogeny'.Annals of botany · 2020Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsCompared with other plant lineages, bryophytes have very small genomes with little variation across species, and high levels of endopolyploid nuclei. This study is the first analysis of moss genome evolution over a broad taxonomic sampling using phylogenetic comparative methods. We aim to determine whether genome size evolution is unidirectional as well as examine whether genome size and endopolyploidy are correlated in mosses.
methodsGenome size and endoreduplication index (EI) estimates were newly generated using flow cytometry from moss samples collected in Canada. Phylogenetic relationships between moss species were reconstructed using GenBank sequence data and maximum likelihood methods. Additional 1C-values were compiled from the literature and genome size and EI were mapped onto the phylogeny to reconstruct ancestral character states, test for phylogenetic signal and perform phylogenetic independent contrasts. KEY
resultsGenome size and EI were obtained for over 50 moss taxa. New genome size estimates are reported for 33 moss species and new EIs are reported for 20 species. In combination with data from the literature, genome sizes were mapped onto a phylogeny for 173 moss species with this analysis, indicating that genome size evolution in mosses does not appear to be unidirectional. Significant phylogenetic signal was detected for genome size when evaluated across the phylogeny, whereas phylogenetic signal was not detected for EI. Genome size and EI were not found to be significantly correlated when using phylogenetically corrected values.
conclusionsSignificant phylogenetic signal indicates closely related mosses have more similar genome sizes and EI values. This study supports that DNA content in mosses is defined by small genomes that are highly endopolyploid, suggesting strong selective pressure to maintain these features. Further research is needed to understand the functional significance of DNA content evolution in mosses.
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