ArticleGenome biology and evolution2018
Genome Analyses of the Microalga Picochlorum Provide Insights into the Evolution of Thermotolerance in the Green Lineage.
Article in Genome biology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 48 citations in OpenAlex.
- Phylogenomics Untangles the Metabolic Potential of Picochlorum tauri, a New Picoalgal Species Causing a Winter Bloom in the Mediterranean Thau Lagoon.Environmental microbiology · 2025Article
- Comparative genomic insights into ecological adaptations and evolutionary dynamics of Trebouxiophyceae algae.BMC genomics · 2025Article
- Photophysiological and transcriptomic response to the broad-spectrum herbicides atrazine and glyphosate in a photosynthetic picoeukaryote.Microbial genomics · 2025Article
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- Characterization of hypersaline Oklahoma native microalgae cultivated in flowback and produced water: growth profile and contaminant removal.Bioprocess and biosystems engineering · 2024Article
- Cas9 deletion of lutein biosynthesis in the marine algaFrontiers in bioengineering and biotechnology · 2023Article
- Genetic mechanisms underlying increased microalgal thermotolerance, maximal growth rate, and yield on light following adaptive laboratory evolution.BMC biology · 2022Article
- Short-term physiologic response of the green microalga Picochlorum sp. (BPE23) to supra-optimal temperature.Scientific reports · 2022Article
- Evolution of plant telomerase RNAs: farther to the past, deeper to the roots.Nucleic acids research · 2021Article
- Phased Diploid Genome Sequence for the Fast-Growing MicroalgaMicrobiology resource announcements · 2020Article
- Metabolomic Insights into Marine Phytoplankton Diversity.Marine drugs · 2020Article
- Inhibition of DNA Methylation inFrontiers in genetics · 2020Article
- Sequencing and comparative analysis of three Chlorella genomes provide insights into strain-specific adaptation to wastewater.Scientific reports · 2019Article
- Marine Natural Products from Microalgae: An -Omics Overview.Marine drugs · 2019Review
- Development of a high-productivity, halophilic, thermotolerant microalgaCommunications biology · 2019Article
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Corrections and comments
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Authors and funding
12 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
While the molecular events involved in cell responses to heat stress have been extensively studied, our understanding of the genetic basis of basal thermotolerance, and particularly its evolution within the green lineage, remains limited. Here, we present the 13.3-Mb haploid genome and transcriptomes of a halotolerant and thermotolerant unicellular green alga, Picochlorum costavermella (Trebouxiophyceae) to investigate the evolution of the genomic basis of thermotolerance. Differential gene expression at high and standard temperatures revealed that more of the gene families containing up-regulated genes at high temperature were recently evolved, and less originated at the ancestor of green plants. Inversely, there was an excess of ancient gene families containing transcriptionally repressed genes. Interestingly, there is a striking overlap between the thermotolerance and halotolerance transcriptional rewiring, as more than one-third of the gene families up-regulated at 35 °C were also up-regulated under variable salt concentrations in Picochlorum SE3. Moreover, phylogenetic analysis of the 9,304 protein coding genes revealed 26 genes of horizontally transferred origin in P. costavermella, of which five were differentially expressed at higher temperature. Altogether, these results provide new insights about how the genomic basis of adaptation to halo- and thermotolerance evolved in the green lineage.
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