ArticleGigaScience2022
Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes.
Article in GigaScience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 8 citations in OpenAlex.
- Mutation Pressure and Gene-Specific Selection Shape Codon Usage Bias in the Chloroplast Genomes ofEcology and evolution · 2026Article
- Genomics is modifying our concepts of evolution in homosporous and heterosporous vascular plants.American journal of botany · 2026Review
- Kingdom-wide evolutionary characterization of RNA editing factors in Archaeplastida.Molecular biology and evolution · 2026Article
- Ancient origins of alkaloid biosynthesis in medicinal clubmosses.bioRxiv : the preprint server for biology · 2026Article
- PharaohFUN: phylogenomic analysis for plant protein history and function elucidation.Molecular biology and evolution · 2026Article
- Exploring fern pathosystems and immune receptors to bridge gaps in plant immunity.BMC biology · 2025Article
- Centromere drive may propel the evolution of chromosome and genome size in plants.Annals of botany · 2024Article
- Extraordinary preservation of gene collinearity over three hundred million years revealed in homosporous lycophytes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes.GigaScience · 2022Article
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Authors and funding
13 authors at 8 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Lycophyta species are the extant taxa most similar to early vascular plants that were once abundant on Earth. However, their distribution has greatly diminished. So far, the absence of chromosome-level assembled lycophyte genomes has hindered our understanding of evolution and environmental adaption of lycophytes.
findingsWe present the reference genome of the tetraploid aquatic quillwort, Isoetes sinensis, a lycophyte. This genome represents the first chromosome-level assembled genome of a tetraploid seed-free plant. Comparison of genomes between I. sinensis and Isoetestaiwanensis revealed conserved and different genomic features between diploid and polyploid lycophytes. Comparison of the I. sinensis genome with those of other species representing the evolutionary lineages of green plants revealed the inherited genetic tools for transcriptional regulation and most phytohormones in I. sinensis. The presence and absence of key genes related to development and stress responses provide insights into environmental adaption of lycophytes.
conclusionsThe high-quality reference genome and genomic analysis presented in this study are crucial for future genetic and environmental studies of not only I. sinensis but also other lycophytes.
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