ArticleEnvironmental microbiology2019
Metatranscriptomic and metabolite profiling reveals vertical heterogeneity within a Zygnema green algal mat from Svalbard (High Arctic).
Article in Environmental microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
20 citing papers in PubMed, 38 citations in OpenAlex.
- The evolutionary origins of streptophyte multicellularity.The New phytologist · 2026Review
- The Spirogyra pratensis genome illuminates the evolution of developmental programs and spiral chloroplast biology.The Plant cell · 2026Article
- Ecophysiology of the conjugating green algae (Zygnematophyceae) with emphasis on semiterrestrial habitats and specialized metabolic compounds.Protoplasma · 2026Review
- Systems acclimation to osmotic stress in zygnematophyte cells.Nature communications · 2026Article
- Time-resolved oxidative signal convergence across the algae-embryophyte divide.Nature communications · 2025Article
- Genomes of multicellular algal sisters to land plants illuminate signaling network evolution.Nature genetics · 2024Article
- Evolution of ethylene as an abiotic stress hormone in streptophytes.Environmental and experimental botany · 2023Review
- Chromosome-level genomes of multicellular algal sisters to land plants illuminate signaling network evolution.bioRxiv : the preprint server for biology · 2023Article
- Submergence of the filamentous Zygnematophyceae Mougeotia induces differential gene expression patterns associated with core metabolism and photosynthesis.Protoplasma · 2022Article
- Advances in Plant Metabolomics and Its Applications in Stress and Single-Cell Biology.International journal of molecular sciences · 2022Review
- Metabolite Profiling in Green Microalgae with Varying Degrees of Desiccation Tolerance.Microorganisms · 2022Article
- Temperature- and light stress adaptations in Zygnematophyceae: The challenges of a semi-terrestrial lifestyle.Frontiers in plant science · 2022Review
- Zygospores of the green algaFrontiers in plant science · 2022Article
- Transcriptomic and Metabolomic Response to High Light in the Charophyte AlgaFrontiers in plant science · 2022Article
- Winter survival of the unicellular green alga Micrasterias denticulata: insights from field monitoring and simulation experiments.Protoplasma · 2021Article
- Induction of Conjugation and Zygospore Cell Wall Characteristics in the AlpinePlants (Basel, Switzerland) · 2021Article
- Characterization of TwoFrontiers in plant science · 2021Article
- Pre-akinete formation in Zygnema sp. from polar habitats is associated with metabolite re-arrangement.Journal of experimental botany · 2020Article
- Desiccation tolerance in streptophyte algae and the algae to land plant transition: evolution of LEA and MIP protein families within the Viridiplantae.Journal of experimental botany · 2020Review
- Adaptation to Aquatic and Terrestrial Environments inFrontiers in microbiology · 2020Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
Abstract
Within streptophyte green algae Zygnematophyceae are the sister group to the land plants that inherited several traits conferring stress protection. Zygnema sp., a mat-forming alga thriving in extreme habitats, was collected from a field site in Svalbard, where the bottom layers are protected by the top layers. The two layers were investigated by a metatranscriptomic approach and GC-MS-based metabolite profiling. In the top layer, 6569 genes were significantly upregulated and 149 were downregulated. Upregulated genes coded for components of the photosynthetic apparatus, chlorophyll synthesis, early light-inducible proteins, cell wall and carbohydrate metabolism, including starch-degrading enzymes. An increase in maltose in the top layer and degraded starch grains at the ultrastructural levels corroborated these findings. Genes involved in amino acid, redox metabolism and DNA repair were upregulated. A total of 29 differentially accumulated metabolites (out of 173 identified ones) confirmed higher metabolic turnover in the top layer. For several of these metabolites, differential accumulation matched the transcriptional changes of enzymes involved in associated pathways. In summary, the findings support the hypothesis that in a Zygnema mat the top layer shields the bottom layers from abiotic stress factors such as excessive irradiation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.