ArticlePloS one2020
Phylogenomics indicates the "living fossil" Isoetes diversified in the Cenozoic.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Phylogenomic data resolved the deep relationships of Gymnogynoideae (Selaginellaceae).Frontiers in plant science · 2024Article
- The CAM lineages of planet Earth.Annals of botany · 2023Article
- The diverse diaspora of CAM: a pole-to-pole sketch.Annals of botany · 2023Review
- Atmospheric CO2 decline and the timing of CAM plant evolution.Annals of botany · 2023Article
- Insights into cryptic speciation of quillworts in China.Plant diversity · 2023Article
- No phylogenomic support for a Cenozoic origin of the "living fossil" Isoetes.American journal of botany · 2023Article
- Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes.GigaScience · 2022Article
- Phylogeny of Merlin's grass (Isoetaceae): revealing an "Amborella syndrome" and the importance of geographic distribution for understanding current and historical diversity.BMC ecology and evolution · 2022Article
- Comparative chloroplast genome and transcriptome analysis on the ancient genusFrontiers in plant science · 2022Article
- Underwater CAM photosynthesis elucidated by Isoetes genome.Nature communications · 2021Article
- Conservation implications of genetic structure in the narrowest endemic quillwort from the Eastern Amazon.Ecology and evolution · 2021Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The fossil record provides an invaluable insight into the temporal origins of extant lineages of organisms. However, establishing the relationships between fossils and extant lineages can be difficult in groups with low rates of morphological change over time. Molecular dating can potentially circumvent this issue by allowing distant fossils to act as calibration points, but rate variation across large evolutionary scales can bias such analyses. In this study, we apply multiple dating methods to genome-wide datasets to infer the origin of extant species of Isoetes, a group of mostly aquatic and semi-aquatic isoetalean lycopsids, which closely resemble fossil forms dating back to the Triassic. Rate variation observed in chloroplast genomes hampers accurate dating, but genome-wide nuclear markers place the origin of extant diversity within this group in the mid-Paleogene, 45-60 million years ago. Our genomic analyses coupled with a careful evaluation of the fossil record indicate that despite resembling forms from the Triassic, extant Isoetes species do not represent the remnants of an ancient and widespread group, but instead have spread around the globe in the relatively recent past.
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