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The genome of the glasshouse plant noble rhubarb (Rheum nobile) provides a window into alpine adaptation
Feng,Tao; Pucker,Boas; Kuang,Tianhui; Song,Bo; Yang,Ya; Lin,Nan; Zhang,Huajie; Moore,Michael J.; Brockington,Samuel F.; Wang,Qingfeng; Deng,Tao; Wang,Hengchang; Sun,Hang
2023
Source PublicationCOMMUNICATIONS BIOLOGY
ISSN2399-3642
Volume6Issue:1Pages:706
AbstractGlasshouse plants are species that trap warmth via specialized morphology and physiology, mimicking a human glasshouse. In the Himalayan alpine region, the highly specialized glasshouse morphology has independently evolved in distinct lineages to adapt to intensive UV radiation and low temperature. Here we demonstrate that the glasshouse structure - specialized cauline leaves - is highly effective in absorbing UV light but transmitting visible and infrared light, creating an optimal microclimate for the development of reproductive organs. We reveal that this glasshouse syndrome has evolved at least three times independently in the rhubarb genus Rheum. We report the genome sequence of the flagship glasshouse plant Rheum nobile and identify key genetic network modules in association with the morphological transition to specialized glasshouse leaves, including active secondary cell wall biogenesis, upregulated cuticular cutin biosynthesis, and suppression of photosynthesis and terpenoid biosynthesis. The distinct cell wall organization and cuticle development might be important for the specialized optical property of glasshouse leaves. We also find that the expansion of LTRs has likely played an important role in noble rhubarb adaptation to high elevation environments. Our study will enable additional comparative analyses to identify the genetic basis underlying the convergent occurrence of glasshouse syndrome. A high-quality genome assembly and phylogenetic analysis for the glasshouse plant, Rheum nobile, shed light on its evolutionary history and ability to adapt to intensive UV radiation in a low-temperature, alpine environment.
KeywordTRANSPOSABLE ELEMENTS MOLECULAR EVOLUTION TRANSLUCENT BRACTS DIVERGENCE TIMES ANNOTATION TOOL ALIGNMENT POLYGONACEAE PREDICTION RETROTRA
DOI10.1038/s42003-023-05044-1
WOS IDWOS:001025904900002
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/74878
Collection中国科学院昆明植物研究所
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GB/T 7714
Feng,Tao,Pucker,Boas,Kuang,Tianhui,et al. The genome of the glasshouse plant noble rhubarb (Rheum nobile) provides a window into alpine adaptation[J]. COMMUNICATIONS BIOLOGY,2023,6(1):706.
APA Feng,Tao.,Pucker,Boas.,Kuang,Tianhui.,Song,Bo.,Yang,Ya.,...&Sun,Hang.(2023).The genome of the glasshouse plant noble rhubarb (Rheum nobile) provides a window into alpine adaptation.COMMUNICATIONS BIOLOGY,6(1),706.
MLA Feng,Tao,et al."The genome of the glasshouse plant noble rhubarb (Rheum nobile) provides a window into alpine adaptation".COMMUNICATIONS BIOLOGY 6.1(2023):706.
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