ArticlePlant molecular biology2016
New features of desiccation tolerance in the lichen photobiont Trebouxia gelatinosa are revealed by a transcriptomic approach.
Article in Plant molecular biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 68 citations in OpenAlex.
- Members of the lichen photobiont genus Trebouxia show species-specific photophysiological and transcriptome-level responses to high light.Journal of experimental botany · 2026Article
- Chromosome-level genome assembly of the photobiont microalga Trebouxia sp. 'A48' from the lichen Xanthoria parietina.The New phytologist · 2026Article
- Zoospore diversity and sexual reproduction in the lichen-forming genus Trebouxia: From neglected evidence to new facts.Plant biology (Stuttgart, Germany) · 2025Article
- Mechanisms, detection, and impact of horizontal gene transfer in plant functional evolution.The Plant cell · 2025Review
- Comparative Transcriptomic and Proteomic Analyses Provide New Insights into the Tolerance to Cyclic Dehydration in a Lichen Phycobiont.Microbial ecology · 2023Article
- How to build a lichen: from metabolite release to symbiotic interplay.The New phytologist · 2023Review
- Regionally Varying Habitat Relationships in Lichens: The Concept and Evidence with an Emphasis on North-Temperate Ecosystems.Journal of fungi (Basel, Switzerland) · 2023Review
- Plant-microbe interactions that have impacted plant terrestrializations.Plant physiology · 2022Review
- Trebouxia lynnae sp. nov. (Former Trebouxia sp. TR9): Biology and Biogeography of an Epitome Lichen Symbiotic MicroalgaBiology · 2022Article
- Distribution Types of Lichens in Hungary That Indicate Changing Environmental Conditions.Journal of fungi (Basel, Switzerland) · 2022Article
- Systems biology of resurrection plants.Cellular and molecular life sciences : CMLS · 2021Review
- Advances in Understanding of Desiccation Tolerance of Lichens and Lichen-Forming Algae.Plants (Basel, Switzerland) · 2021Review
- Cold Adaptation in Antarctic Notothenioids: Comparative Transcriptomics Reveals Novel Insights in the Peculiar Role of Gills and Highlights Signatures of Cobalamin Deficiency.International journal of molecular sciences · 2021Article
- Choosing the Right Life Partner: Ecological Drivers of Lichen Symbiosis.Frontiers in microbiology · 2021Article
- The algal selenoproteomes.BMC genomics · 2020Article
- Abundance and Extracellular Release of Phytohormones in Aero-terrestrial Microalgae (Trebouxiophyceae, Chlorophyta) As a Potential Chemical Signaling SourceJournal of phycology · 2020Article
- Evo-physio: on stress responses and the earliest land plants.Journal of experimental botany · 2020Article
- The transcriptome of the newt Cynops orientalis provides new insights into evolution and function of sexual gene networks in sarcopterygians.Scientific reports · 2020Article
- A comparative gene co-expression analysis using self-organizing maps on two congener filmy ferns identifies specific desiccation tolerance mechanisms associated to their microhabitat preference.BMC plant biology · 2020Article
- Adaptation to Aquatic and Terrestrial Environments inFrontiers in microbiology · 2020Article
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Authors and funding
9 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Trebouxia is the most common lichen-forming genus of aero-terrestrial green algae and all its species are desiccation tolerant (DT). The molecular bases of this remarkable adaptation are, however, still largely unknown. We applied a transcriptomic approach to a common member of the genus, T. gelatinosa, to investigate the alteration of gene expression occurring after dehydration and subsequent rehydration in comparison to cells kept constantly hydrated. We sequenced, de novo assembled and annotated the transcriptome of axenically cultured T. gelatinosa by using Illumina sequencing technology. We tracked the expression profiles of over 13,000 protein-coding transcripts. During the dehydration/rehydration cycle c. 92 % of the total protein-coding transcripts displayed a stable expression, suggesting that the desiccation tolerance of T. gelatinosa mostly relies on constitutive mechanisms. Dehydration and rehydration affected mainly the gene expression for components of the photosynthetic apparatus, the ROS-scavenging system, Heat Shock Proteins, aquaporins, expansins, and desiccation related proteins (DRPs), which are highly diversified in T. gelatinosa, whereas Late Embryogenesis Abundant Proteins were not affected. Only some of these phenomena were previously observed in other DT green algae, bryophytes and resurrection plants, other traits being distinctive of T. gelatinosa, and perhaps related to its symbiotic lifestyle. Finally, the phylogenetic inference extended to DRPs of other chlorophytes, embryophytes and bacteria clearly pointed out that DRPs of chlorophytes are not orthologous to those of embryophytes: some of them were likely acquired through horizontal gene transfer from extremophile bacteria which live in symbiosis within the lichen thallus.
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