Photoacclimation of photosynthesis in the Eustigmatophycean Nannochloropsis gaditana
Nannochloropsis is an eukaryotic alga of the phylum Heterokonta, originating from a secondary endosymbiotic event. In this work, we investigated how the photosynthetic apparatus responds to growth in different light regimes in Nannochloropsis gaditana. We found that intense illumination induces the...
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| Veröffentlicht in: | Photosynthesis research 2016-09, Vol.129 (3), p.291-305 |
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| creator | Meneghesso, Andrea Simionato, Diana Gerotto, Caterina La Rocca, Nicoletta Finazzi, Giovanni Morosinotto, Tomas |
| description | Nannochloropsis is an eukaryotic alga of the phylum Heterokonta, originating from a secondary endosymbiotic event. In this work, we investigated how the photosynthetic apparatus responds to growth in different light regimes in Nannochloropsis gaditana. We found that intense illumination induces the decrease of both photosystem I and II contents and their respective antenna sizes. Cells grown in high light showed a larger capacity for electron transport, with enhanced cyclic electron transport around photosystem I, contributing to photoprotection from excess illumination. Even when exposed to excess light intensities for several days, N. gaditana cells did not activate constitutive responses such as nonphotochemical quenching and the xanthophyll cycle. These photoprotection mechanisms in N. gaditana thus play a role in acclimation to fast changes in illumination within a time range of minutes, while regulation of the electron flow capacity represents a long-term response to prolonged exposure to excess light. |
| doi_str_mv | 10.1007/s11120-016-0297-z |
| format | Article |
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In this work, we investigated how the photosynthetic apparatus responds to growth in different light regimes in Nannochloropsis gaditana. We found that intense illumination induces the decrease of both photosystem I and II contents and their respective antenna sizes. Cells grown in high light showed a larger capacity for electron transport, with enhanced cyclic electron transport around photosystem I, contributing to photoprotection from excess illumination. Even when exposed to excess light intensities for several days, N. gaditana cells did not activate constitutive responses such as nonphotochemical quenching and the xanthophyll cycle. 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Simionato, Diana ; Gerotto, Caterina ; La Rocca, Nicoletta ; Finazzi, Giovanni ; Morosinotto, Tomas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c396t-d80576e8d2cfc0f0265aa3a5f6000e8ce203ebdc85e0b30fc993c744e05faf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acclimatization</topic><topic>Algae</topic><topic>Biochemistry, Molecular Biology</topic><topic>Electron transfer</topic><topic>Electron Transport - radiation effects</topic><topic>Heterokonta</topic><topic>Life Sciences</topic><topic>Light</topic><topic>Nannochloropsis</topic><topic>Nannochloropsis gaditana</topic><topic>Photosynthesis</topic><topic>Photosynthesis - radiation effects</topic><topic>Photosystem I Protein Complex - metabolism</topic><topic>Photosystem II Protein Complex - metabolism</topic><topic>Plant biology</topic><topic>Quenching</topic><topic>Stramenopiles - physiology</topic><topic>Stramenopiles - radiation effects</topic><topic>Vegetal Biology</topic><topic>Xanthophylls - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meneghesso, Andrea</creatorcontrib><creatorcontrib>Simionato, Diana</creatorcontrib><creatorcontrib>Gerotto, Caterina</creatorcontrib><creatorcontrib>La Rocca, Nicoletta</creatorcontrib><creatorcontrib>Finazzi, Giovanni</creatorcontrib><creatorcontrib>Morosinotto, Tomas</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Photosynthesis research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meneghesso, Andrea</au><au>Simionato, Diana</au><au>Gerotto, Caterina</au><au>La Rocca, Nicoletta</au><au>Finazzi, Giovanni</au><au>Morosinotto, Tomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photoacclimation of photosynthesis in the Eustigmatophycean Nannochloropsis gaditana</atitle><jtitle>Photosynthesis research</jtitle><addtitle>Photosynth Res</addtitle><date>2016-09-01</date><risdate>2016</risdate><volume>129</volume><issue>3</issue><spage>291</spage><epage>305</epage><pages>291-305</pages><issn>0166-8595</issn><eissn>1573-5079</eissn><abstract>Nannochloropsis is an eukaryotic alga of the phylum Heterokonta, originating from a secondary endosymbiotic event. 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| ispartof | Photosynthesis research, 2016-09, Vol.129 (3), p.291-305 |
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| subjects | Acclimatization Algae Biochemistry, Molecular Biology Electron transfer Electron Transport - radiation effects Heterokonta Life Sciences Light Nannochloropsis Nannochloropsis gaditana Photosynthesis Photosynthesis - radiation effects Photosystem I Protein Complex - metabolism Photosystem II Protein Complex - metabolism Plant biology Quenching Stramenopiles - physiology Stramenopiles - radiation effects Vegetal Biology Xanthophylls - metabolism |
| title | Photoacclimation of photosynthesis in the Eustigmatophycean Nannochloropsis gaditana |
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