ArticlePlant biotechnology journal2021
The genome of Cleistogenes songorica provides a blueprint for functional dissection of dimorphic flower differentiation and drought adaptability.
Article in Plant biotechnology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed, 39 citations in OpenAlex.
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- RIFinder reveals widespread adaptive remote introgression in grass genomes.Plant communications · 2026Article
- Forage Crop Research in the Modern Age.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
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- Integrated multi-omics analysis reveals the role of nitrogen application in seed storage protein metabolism and improvement of inferior grains in smooth bromegrass.Frontiers in plant science · 2025Article
- Article
- Climatic factors, but not geographic distance, promote genetic structure and differentiation of Cleistogenes squarrosa (Trin.) Keng populations.Frontiers in bioinformatics · 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
- Chromosome-level genome assembly of the endangered plant Tetraena mongolica.DNA research : an international journal for rapid publication of reports on genes and genomes · 2023Article
- The complex genome and adaptive evolution of polyploid Chinese pepper (Zanthoxylum armatum and Zanthoxylum bungeanum).Plant biotechnology journal · 2023Article
- GGDB: A Grameneae genome alignment database of homologous genes hierarchically related to evolutionary events.Plant physiology · 2022Article
- Drought tolerance improvement in3 Biotech · 2022Review
- Genome and systems biology of Melilotus albus provides insights into coumarins biosynthesis.Plant biotechnology journal · 2022Article
- Chromosome-level genome assembly of a xerophytic plant, Haloxylon ammodendron.DNA research : an international journal for rapid publication of reports on genes and genomes · 2022Article
- Development of molecular markers based on LTR retrotransposon in the Cleistogenes songorica genome.Journal of applied genetics · 2022Article
- Pervasive genome duplications across the plant tree of life and their links to major evolutionary innovations and transitions.Computational and structural biotechnology journal · 2022Review
- Rapidly evolving genetic features for desert adaptations in Stipagrostis pennata.BMC genomics · 2021Article
- Genome-Wide Analysis and Expression Profiles of the Dof Family inPlants (Basel, Switzerland) · 2021Article
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Authors and funding
18 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cleistogenes songorica (2n = 4x = 40) is a desert grass with a unique dimorphic flowering mechanism and an ability to survive extreme drought. Little is known about the genetics underlying drought tolerance and its reproductive adaptability. Here, we sequenced and assembled a high-quality chromosome-level C. songorica genome (contig N50 = 21.28 Mb). Complete assemblies of all telomeres, and of ten chromosomes were derived. C. songorica underwent a recent tetraploidization (~19 million years ago) and four major chromosomal rearrangements. Expanded genes were significantly enriched in fatty acid elongation, phenylpropanoid biosynthesis, starch and sucrose metabolism, and circadian rhythm pathways. By comparative transcriptomic analysis we found that conserved drought tolerance related genes were expanded. Transcription of CsMYB genes was associated with differential development of chasmogamous and cleistogamous flowers, as well as drought tolerance. Furthermore, we found that regulation modules encompassing miRNA, transcription factors and target genes are involved in dimorphic flower development, validated by overexpression of CsAP2_9 and its targeted miR172 in rice. Our findings enable further understanding of the mechanisms of drought tolerance and flowering in C. songorica, and provide new insights into the adaptability of native grass species in evolution, along with potential resources for trait improvement in agronomically important species.
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