ArticlePlant molecular biology2004
EST-analysis of the thermo-acidophilic red microalga Galdieria sulphuraria reveals potential for lipid A biosynthesis and unveils the pathway of carbon export from rhodoplasts.
Article in Plant molecular biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 98 citations in OpenAlex.
- The carbon-concentrating mechanism of the extremophilic red microalga Cyanidioschyzon merolae.Photosynthesis research · 2023Article
- Acclimation of photosynthetic apparatus in the mesophilic red alga Dixoniella giordanoi.Physiologia plantarum · 2021Article
- The interaction of Arabidopsis with Piriformospora indica shifts from initial transient stress induced by fungus-released chemical mediators to a mutualistic interaction after physical contact of the two symbionts.BMC plant biology · 2015Article
- Transcriptome-wide profiling and expression analysis of transcription factor families in a liverwort, Marchantia polymorpha.BMC genomics · 2013Article
- Agrigenomics for microalgal biofuel production: an overview of various bioinformatics resources and recent studies to link OMICS to bioenergy and bioeconomy.Omics : a journal of integrative biology · 2013Review
- A novel type of light-harvesting antenna protein of red algal origin in algae with secondary plastids.BMC evolutionary biology · 2013Article
- Whole genome identification and analysis of FK506-binding protein family genes in grapevine (Vitis vinifera L.).Molecular biology reports · 2013Article
- Proteomic analysis of the Cyanophora paradoxa muroplast provides clues on early events in plastid endosymbiosis.Planta · 2013Article
- Evolution of plant sucrose uptake transporters.Frontiers in plant science · 2012Article
- Structural architecture of Galdieria sulphuraria DCN1L.Proteins · 2011Article
- Efficient light harvesting in a dark, hot, acidic environment: the structure and function of PSI-LHCI from Galdieria sulphuraria.Biophysical journal · 2011Article
- Red and problematic green phylogenetic signals among thousands of nuclear genes from the photosynthetic and apicomplexa-related Chromera velia.Genome biology and evolution · 2011Article
- The metabolite transporters of the plastid envelope: an update.Frontiers in plant science · 2011Article
- The supramolecular architecture, function, and regulation of thylakoid membranes in red algae: an overview.Photosynthesis research · 2010Review
- Data-directed top-down Fourier-transform mass spectrometry of a large integral membrane protein complex: photosystem II from Galdieria sulphuraria.Proteomics · 2010Article
- Actin gene family dynamics in cryptomonads and red algae.Journal of molecular evolution · 2010Article
- Molecular evolution of glutamine synthetase II: Phylogenetic evidence of a non-endosymbiotic gene transfer event early in plant evolution.BMC evolutionary biology · 2010Article
- Genetic engineering of algae for enhanced biofuel production.Eukaryotic cell · 2010Review
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Authors and funding
17 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When we think of extremophiles, organisms adapted to extreme environments, prokaryotes come to mind first. However, the unicellular red micro-alga Galdieria sulphuraria (Cyanidiales) is a eukaryote that can represent up to 90% of the biomass in extreme habitats such as hot sulfur springs with pH values of 0-4 and temperatures of up to 56 degrees C. This red alga thrives autotrophically as well as heterotrophically on more than 50 different carbon sources, including a number of rare sugars and sugar alcohols. This biochemical versatility suggests a large repertoire of metabolic enzymes, rivaled by few organisms and a potentially rich source of thermo-stable enzymes for biotechnology. The temperatures under which this organism carries out photosynthesis are at the high end of the range for this process, making G. sulphuraria a valuable model for physical studies on the photosynthetic apparatus. In addition, the gene sequences of this living fossil reveal much about the evolution of modern eukaryotes. Finally, the alga tolerates high concentrations of toxic metal ions such as cadmium, mercury, aluminum, and nickel, suggesting potential application in bioremediation. To begin to explore the unique biology of G. sulphuraria , 5270 expressed sequence tags from two different cDNA libraries have been sequenced and annotated. Particular emphasis has been placed on the reconstruction of metabolic pathways present in this organism. For example, we provide evidence for (i) a complete pathway for lipid A biosynthesis; (ii) export of triose-phosphates from rhodoplasts; (iii) and absence of eukaryotic hexokinases. Sequence data and additional information are available at http://genomics.msu.edu/galdieria.
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