ArticlePloS one2014
Genome-scale transcriptome analysis of the alpine "glasshouse" plant Rheum nobile (Polygonaceae) with special translucent bracts.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Multi-omics data provide insight into the adaptation of the glasshouse plant Rheum nobile to the alpine subnival zone.Communications biology · 2023Article
- The genome of the glasshouse plant noble rhubarb (Rheum nobile) provides a window into alpine adaptation.Communications biology · 2023Article
- Comparative transcriptome analysis of different tissues of Rheum tanguticum Maxim. ex Balf. (Polygonaceae) reveals putative genes involved in anthraquinone biosynthesis.Genetics and molecular biology · 2022Article
- Comparative transcriptome analysis of Rheum australe, an endangered medicinal herb, growing in its natural habitat and those grown in controlled growth chambers.Scientific reports · 2021Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRheum nobile is an alpine plant with translucent bracts concealing the inflorescence which produce a "glasshouse" effect promoting the development of fertile pollen grains in such conditions. The current understanding of the adaptation of such bracts to alpine environments mainly focuses on the phenotypic and physiological changes while the genetic basis is very limited. By sequencing the upper bract and the lower rosulate leaf from the same R. nobile stem, we identified candidate genes that may be involved in alpine adaption of the translucent bract in "glasshouse" plants and illustrated the changes in gene expression underlying the adaptive and complex evolution of the bracts phenotype.
resultsA total of 174.2 million paired-end reads from each transcriptome were assembled into 25,249 unigenes. By comparing the gene expression profiles, we identified 1,063 and 786 genes up-regulated respectively in the upper bract and the lower leaf. Functional enrichment analyses of these genes recovered a number of differential important pathways, including flavonoid biosynthesis, mismatch repair and photosynthesis related pathways. These pathways are mainly involved in three types of functions: 9 genes in the UV protective process, 9 mismatch repair related genes and 88 genes associated with photosynthesis.
conclusionsThis study provides the first comprehensive dataset characterizing Rheum nobile gene expression at the transcriptomic scale, and provides novel insights into the gene expression profiles associated with the adaptation of the "glasshouse" plant bracts. The dataset will be served as a public genetic resources for further functional and evolutionary studies of "glasshouse" plants.
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