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  • Cheregi, OtiliaGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden (författare)

Transcriptome analysis reveals insights into adaptive responses of two marine microalgae species to Nordic seasons

  • Artikel/kapitelEngelska2023

Förlag, utgivningsår, omfång ...

  • 2023

Nummerbeteckningar

  • LIBRIS-ID:oai:gup.ub.gu.se/328301
  • https://gup.ub.gu.se/publication/328301URI
  • https://doi.org/10.1016/j.algal.2023.103222DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-66348URI

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • This work was supported by the Swedish Energy Agency (P45907-1, to C.S.), the Swedish Research Council (2018-04555, to M.T.) and the Swedish Research Council for Sustainable Development (2017-00466, to M.T.). K.M.S. was recipient of a postdoctoral fellowship from the Carl Tryggers Foundation (CTS20:406).
  • 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.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Pinder, Matthew I. M.,1990Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden(Swepub:gu)xpinma (författare)
  • Shaikh, Kashif MohdGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden(Swepub:gu)xshaim (författare)
  • Andersson, Mats X.,1977Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden(Swepub:gu)xamatb (författare)
  • Engelbrektsson, Johan,1976RISE,Kemi, biomaterial och textil(Swepub:ri)johan.engelbrektsson@ri.se (författare)
  • Strömberg, Niklas,1974RISE,Kemi, biomaterial och textil(Swepub:ri)niklas.stromberg@ri.se (författare)
  • Ekendahl, SusanneRISE,Kemi, biomaterial och textil(Swepub:ri)susanne.ekendahl@ri.se (författare)
  • Kourtchenko, Olga,1980Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden(Swepub:gu)xkouol (författare)
  • Godhe, Anna,1967Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden(Swepub:gu)xgodan (författare)
  • Töpel, Mats H.,1973Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Gothenburg, Sweden; IVL Swedish Environmental Research Institute, Sweden(Swepub:gu)xamatl (författare)
  • Spetea, Cornelia,1968Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg, Sweden(Swepub:gu)xspeco (författare)
  • Göteborgs universitetInstitutionen för biologi och miljövetenskap (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Algal Research742211-9264

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