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Transcriptome analy...
Transcriptome analysis reveals insights into adaptive responses of two marine microalgae species to Nordic seasons
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- Cheregi, Otilia (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden
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- Pinder, Matthew I. M., 1990 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden
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- Shaikh, Kashif Mohd (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden
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- Andersson, Mats X., 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden
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- Engelbrektsson, Johan, 1976 (author)
- RISE,Kemi, biomaterial och textil
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- Strömberg, Niklas, 1974 (author)
- RISE,Kemi, biomaterial och textil
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- Ekendahl, Susanne (author)
- RISE,Kemi, biomaterial och textil
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- Kourtchenko, Olga, 1980 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden
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- Godhe, Anna, 1967 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden
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- Töpel, Mats H., 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden; IVL Swedish Environmental Research Institute, Sweden
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- Spetea, Cornelia, 1968 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Algal Research. - 2211-9264. ; 74
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https://doi.org/10.1...
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Abstract
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- There is an increasing interest in algae-based biomass produced outdoors in natural and industrial settings for biotechnological applications. To predict the yield and biochemical composition of the biomass, it is important to understand how the transcriptome of species and strains of interest is affected by seasonal changes. Here we studied the effects of Nordic winter and summer on the transcriptome of two phytoplankton species, namely the diatom Skeletonema marinoi (Sm) and the eustigmatophyte Nannochloropsis granulata (Ng), recently identified as potentially important for biomass production on the west coast of Sweden. Cultures were grown in photobioreactors in simulated Nordic summer and winter, and the gene expression in two phases was quantified by Illumina RNA-sequencing. Five paired comparisons were made among the four conditions. Sm was overall more responsive to seasons since 70 % of the total transcriptome (14,783 genes) showed differential expression in at least one comparison as compared to 1.6 % (1403 genes) for Ng. For both species, we observed larger differences between the seasons than between the phases of the same season. In summer phase 1, Sm cells focused on photosynthesis and polysaccharide biosynthesis. Nitrate assimilation and recycling of intracellular nitrogen for protein biosynthesis were more active in summer phase 2 and throughout winter. Lipid catabolism was upregulated in winter relative to summer to supply carbon for respiration. Ng favored lipid accumulation in summer, while in winter activated different lipid remodeling pathways as compared to Sm. To cope with winter, Ng upregulated breakdown and transport of carbohydrates for energy production. Taken together, our transcriptome data reveal insights into adaptive seasonal responses of Sm and Ng important for biotechnological applications on the west coast of Sweden, but more work is required to decipher the molecular mechanisms behind these responses.
Subject headings
- NATURVETENSKAP -- Biologi -- Cellbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Cell Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Bioinformatik och systembiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Bioinformatics and Systems Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Bioenergi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Bioenergy (hsv//eng)
Keyword
- Lipids; Nannochloropsis; Seasonal changes; Skeletonema; Transcriptomics
Publication and Content Type
- ref (subject category)
- art (subject category)
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Cheregi, Otilia
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Pinder, Matthew ...
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Shaikh, Kashif M ...
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Andersson, Mats ...
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Engelbrektsson, ...
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Strömberg, Nikla ...
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Ekendahl, Susann ...
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Kourtchenko, Olg ...
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Godhe, Anna, 196 ...
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Töpel, Mats H., ...
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Spetea, Cornelia ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Cell Biology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Bioinformatics a ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
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NATURAL SCIENCES
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and Biological Scien ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Industrial Biote ...
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and Bioenergy
- Articles in the publication
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Algal Research
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University of Gothenburg
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RISE