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Grazer-induced tran...
Grazer-induced transcriptomic and metabolomic response of the chain-forming diatom Skeletonema marinoi
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Amato, Alberto (author)
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Sabatino, Valeria (author)
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- Nylund, Göran M., 1974 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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- Bergkvist, Johanna, 1980 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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Basu, Swaraj (author)
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- Andersson, Mats X., 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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Sanges, Remo (author)
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- Godhe, Anna, 1967 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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Kiørboe, Thomas (author)
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- Selander, Erik, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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Ferrante, Maria I. (author)
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(creator_code:org_t)
- 2018-03-29
- 2018
- English.
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In: ISME Journal. - : Springer Science and Business Media LLC. - 1751-7362 .- 1751-7370. ; 12, s. 1594-1604
- Related links:
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https://www.nature.c...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Diatoms and copepods are main actors in marine food webs. The prey-predator interactions between them affect bloom dynamics, shape marine ecosystems and impact the energy transfer to higher trophic levels. Recently it has been demonstrated that the presence of grazers may affect the diatom prey beyond the direct effect of grazing. Here, we investigated the response of the chain-forming centric diatom Skeletonema marinoi to grazer cues, including changes in morphology, gene expression and metabolic profile. S. marinoi cells were incubated with Calanus finmarchicus or with Centropages typicus and in both cases responded by reducing the chain length, whereas changes in gene expression indicated an activation of stress response, changes in the lipid and nitrogen metabolism, in cell cycle regulation and in frustule formation. Transcripts linked to G protein-coupled receptors and to nitric oxide synthesis were differentially expressed suggesting involvement of these signalling transduction pathways in the response. Downregulation of a lipoxygenase in the transcriptomic data and of its products in the metabolomic data also indicate an involvement of oxylipins. Our data contribute to a better understanding of the gene function in diatoms, providing information on the nature of genes implicated in the interaction with grazers, a crucial process in marine ecosystems.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Amato, Alberto
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Sabatino, Valeri ...
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Nylund, Göran M. ...
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Bergkvist, Johan ...
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Basu, Swaraj
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Andersson, Mats ...
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show more...
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Sanges, Remo
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Godhe, Anna, 196 ...
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Kiørboe, Thomas
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Selander, Erik, ...
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Ferrante, Maria ...
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show less...
- 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 Ecology
- Articles in the publication
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ISME Journal
- By the university
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University of Gothenburg