ArticlePlant biotechnology journal2022
The genome sequence provides insights into salt tolerance of Achnatherum splendens (Gramineae), a constructive species of alkaline grassland.
Article in Plant biotechnology journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 60 citations in OpenAlex.
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- Forage Crop Research in the Modern Age.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- De novo, high-quality assembly and annotation of the halophyte grass Aeluropus littoralis draft genome and identification of A20/AN1 zinc finger protein family.BMC plant biology · 2025Article
- Hordeum I genome unlocks adaptive evolution and genetic potential for crop improvement.Nature plants · 2025Article
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- The Spartina alterniflora genome sequence provides insights into the salt-tolerance mechanisms of exo-recretohalophytes.Plant biotechnology journal · 2024Article
- The Chrysosplenium sinicum genome provides insights into adaptive evolution of shade plants.Communications biology · 2024Article
- Probing of plant transcriptomes reveals the hidden genetic diversity of the family Secoviridae.Archives of virology · 2024Article
- Evolutionary divergence of subgenomes in common carp provides insights into speciation and allopolyploid success.Fundamental research · 2024Article
- A genome assembly for Orinus kokonorica provides insights into the origin, adaptive evolution and further diversification of two closely related grass genera.Communications biology · 2023Article
- Genome sequence and salinity adaptation of the desert shrub Nitraria sibirica (Nitrariaceae, Sapindales).DNA research : an international journal for rapid publication of reports on genes and genomes · 2023Article
- A high-quality chromosome-level Eutrema salsugineum genome, an extremophile plant model.BMC genomics · 2023Article
- Karyotype evolution of the Asterids insights from the first genome sequences of the family Cornaceae.DNA research : an international journal for rapid publication of reports on genes and genomes · 2023Article
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8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Achnatherum splendens Trin. (Gramineae) is a constructive species of the arid grassland ecosystem in Northwest China and is a major forage grass. It has good tolerance of salt and drought stress in alkaline habitats. Here, we report its chromosome-level genome, determined through a combination of Illumina HiSeq sequencing, PacBio sequencing and Hi-C technology. The final assembly of the ~1.17 Gb genome sequence had a super-scaffold N50 of 40.3 Mb. A total of 57 374 protein-coding genes were annotated, of which 54 426 (94.5%) genes have functional protein annotations. Approximately 735 Mb (62.37%) of the assembly were identified as repetitive elements, and among these, LTRs (40.53%) constitute the highest proportion, having made a major contribution to the expansion of genome size in A. splendens. Phylogenetic analysis revealed that A. splendens diverged from the Brachypodium distachyon-Hordeum vulgare-Aegilops tauschii subclade around 37 million years ago (Ma) and that a clade comprising these four species diverged from the Phyllostachys edulis clade ~47 Ma. Genomic synteny indicates that A. splendens underwent an additional species-specific whole-genome duplication (WGD) 18-20 Ma, which further promoted an increase in copies of numerous saline-alkali-related gene families in the A. splendens genome. By transcriptomic analysis, we further found that many of these duplicated genes from this extra WGD exhibited distinct functional divergence in response to salt stress. This WGD, therefore, contributed to the strong resistance to salt stress and widespread arid adaptation of A. splendens.
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