Light-adaptive state transitions in the Ross Sea haptophyte Phaeocystis antarctica and in dinoflagellate cells hosting kleptoplasts derived from it.
Identifieur interne : 000163 ( Main/Exploration ); précédent : 000162; suivant : 000164Light-adaptive state transitions in the Ross Sea haptophyte Phaeocystis antarctica and in dinoflagellate cells hosting kleptoplasts derived from it.
Auteurs : Kostas Stamatakis [Grèce] ; Panayiotis-Ilias Broussos [Grèce] ; Angeliki Panagiotopoulou [Grèce] ; Rebecca J. Gast [États-Unis] ; Maria Pelecanou [Grèce] ; George C. Papageorgiou [Grèce]Source :
- Biochimica et biophysica acta. Bioenergetics [ 1879-2650 ] ; 2019.
Descripteurs français
- KwdFr :
- Chlorophylle A (métabolisme), Chloroplastes (effets des radiations), Complexe protéique du photosystème I (physiologie), Complexe protéique du photosystème II (physiologie), Dinoflagellida (effets des radiations), Fluorescence (MeSH), Haptophyta (effets des radiations), Lumière (MeSH), Plastes (MeSH), Transfert d'énergie (MeSH), Transport d'électrons (MeSH).
- MESH :
- effets des radiations : Chloroplastes, Dinoflagellida, Haptophyta.
- métabolisme : Chlorophylle A.
- physiologie : Complexe protéique du photosystème I, Complexe protéique du photosystème II.
- Fluorescence, Lumière, Plastes, Transfert d'énergie, Transport d'électrons.
English descriptors
- KwdEn :
- Chlorophyll A (metabolism), Chloroplasts (radiation effects), Dinoflagellida (radiation effects), Electron Transport (MeSH), Energy Transfer (MeSH), Fluorescence (MeSH), Haptophyta (radiation effects), Light (MeSH), Photosystem I Protein Complex (physiology), Photosystem II Protein Complex (physiology), Plastids (MeSH).
- MESH :
- chemical , metabolism : Chlorophyll A.
- chemical , physiology : Photosystem I Protein Complex, Photosystem II Protein Complex.
- radiation effects : Chloroplasts, Dinoflagellida, Haptophyta.
- Electron Transport, Energy Transfer, Fluorescence, Light, Plastids.
Abstract
Light state transitions (STs) is a reversible physiological process that oxygenic photosynthetic organisms use in order to minimize imbalances in the electronic excitation delivery to the reaction centers of Photosystems I and II, and thus to optimize photosynthesis. STs have been studied extensively in plants, green algae, red algae and cyanobacteria, but sparsely in algae with secondary red algal plastids, such as diatoms and haptophytes, despite their immense ecological significance. In the present work, we examine whether the haptophyte alga Phaeocystis antarctica, and dinoflagellate cells that host kleptoplasts derived from P. antarctica, both endemic in the Ross Sea, Antarctica, are capable of light adaptive STs. In these organisms, Chl a fluorescence can be excited either by direct light absorption, or indirectly by electronic excitation (EE) transfer from ultraviolet light absorbing mycosporine-like amino acids (MAAs) to Chl a (Stamatakis et al., Biochim. Biophys. Acta 1858 [2017] 189-195). Here we show that, on adaptation to PS II-selective light, dark-adapted P. antarctica cells shift from light state 1 (ST1; more EE ending up in PS II) to light state 2 (ST2; more EE ending up in PS I), as revealed by the spectral distribution of directly-excited Chl a fluorescence and by changes in the macro-organization of pigment-protein complexes evidenced by circular dichroism (CD) spectroscopy. In contrast, no STs are clearly detected in the case of the kleptoplast-hosting dinoflagellate cells, and in the case of indirectly excited Chls a, via MAAs, in P. antarctica cells.
DOI: 10.1016/j.bbabio.2018.11.016
PubMed: 30414926
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Electronic address: kstam@bio.demokritos.gr.</nlm:affiliation><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis</wicri:regionArea><wicri:noRegion>Aghia Paraskevi Attikis</wicri:noRegion></affiliation></author><author><name sortKey="Broussos, Panayiotis Ilias" sort="Broussos, Panayiotis Ilias" uniqKey="Broussos P" first="Panayiotis-Ilias" last="Broussos">Panayiotis-Ilias Broussos</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</nlm:affiliation><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis</wicri:regionArea><wicri:noRegion>Aghia Paraskevi Attikis</wicri:noRegion></affiliation></author><author><name sortKey="Panagiotopoulou, Angeliki" sort="Panagiotopoulou, Angeliki" uniqKey="Panagiotopoulou A" first="Angeliki" last="Panagiotopoulou">Angeliki Panagiotopoulou</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</nlm:affiliation><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis</wicri:regionArea><wicri:noRegion>Aghia Paraskevi Attikis</wicri:noRegion></affiliation></author><author><name sortKey="Gast, Rebecca J" sort="Gast, Rebecca J" uniqKey="Gast R" first="Rebecca J" last="Gast">Rebecca J. Gast</name><affiliation wicri:level="2"><nlm:affiliation>Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543</wicri:regionArea><placeName><region type="state">Massachusetts</region></placeName></affiliation></author><author><name sortKey="Pelecanou, Maria" sort="Pelecanou, Maria" uniqKey="Pelecanou M" first="Maria" last="Pelecanou">Maria Pelecanou</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</nlm:affiliation><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis</wicri:regionArea><wicri:noRegion>Aghia Paraskevi Attikis</wicri:noRegion></affiliation></author><author><name sortKey="Papageorgiou, George C" sort="Papageorgiou, George C" uniqKey="Papageorgiou G" first="George C" last="Papageorgiou">George C. Papageorgiou</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</nlm:affiliation><country xml:lang="fr">Grèce</country><wicri:regionArea>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis</wicri:regionArea><wicri:noRegion>Aghia Paraskevi Attikis</wicri:noRegion></affiliation></author></analytic><series><title level="j">Biochimica et biophysica acta. Bioenergetics</title><idno type="eISSN">1879-2650</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chlorophyll A (metabolism)</term><term>Chloroplasts (radiation effects)</term><term>Dinoflagellida (radiation effects)</term><term>Electron Transport (MeSH)</term><term>Energy Transfer (MeSH)</term><term>Fluorescence (MeSH)</term><term>Haptophyta (radiation effects)</term><term>Light (MeSH)</term><term>Photosystem I Protein Complex (physiology)</term><term>Photosystem II Protein Complex (physiology)</term><term>Plastids (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Chlorophylle A (métabolisme)</term><term>Chloroplastes (effets des radiations)</term><term>Complexe protéique du photosystème I (physiologie)</term><term>Complexe protéique du photosystème II (physiologie)</term><term>Dinoflagellida (effets des radiations)</term><term>Fluorescence (MeSH)</term><term>Haptophyta (effets des radiations)</term><term>Lumière (MeSH)</term><term>Plastes (MeSH)</term><term>Transfert d'énergie (MeSH)</term><term>Transport d'électrons (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Chlorophyll A</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Photosystem I Protein Complex</term><term>Photosystem II Protein Complex</term></keywords><keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Chloroplastes</term><term>Dinoflagellida</term><term>Haptophyta</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Chlorophylle A</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Complexe protéique du photosystème I</term><term>Complexe protéique du photosystème II</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Chloroplasts</term><term>Dinoflagellida</term><term>Haptophyta</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Electron Transport</term><term>Energy Transfer</term><term>Fluorescence</term><term>Light</term><term>Plastids</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Fluorescence</term><term>Lumière</term><term>Plastes</term><term>Transfert d'énergie</term><term>Transport d'électrons</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Light state transitions (STs) is a reversible physiological process that oxygenic photosynthetic organisms use in order to minimize imbalances in the electronic excitation delivery to the reaction centers of Photosystems I and II, and thus to optimize photosynthesis. STs have been studied extensively in plants, green algae, red algae and cyanobacteria, but sparsely in algae with secondary red algal plastids, such as diatoms and haptophytes, despite their immense ecological significance. In the present work, we examine whether the haptophyte alga Phaeocystis antarctica, and dinoflagellate cells that host kleptoplasts derived from P. antarctica, both endemic in the Ross Sea, Antarctica, are capable of light adaptive STs. In these organisms, Chl a fluorescence can be excited either by direct light absorption, or indirectly by electronic excitation (EE) transfer from ultraviolet light absorbing mycosporine-like amino acids (MAAs) to Chl a (Stamatakis et al., Biochim. Biophys. Acta 1858 [2017] 189-195). Here we show that, on adaptation to PS II-selective light, dark-adapted P. antarctica cells shift from light state 1 (ST1; more EE ending up in PS II) to light state 2 (ST2; more EE ending up in PS I), as revealed by the spectral distribution of directly-excited Chl a fluorescence and by changes in the macro-organization of pigment-protein complexes evidenced by circular dichroism (CD) spectroscopy. In contrast, no STs are clearly detected in the case of the kleptoplast-hosting dinoflagellate cells, and in the case of indirectly excited Chls a, via MAAs, in P. antarctica cells.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30414926</PMID><DateCompleted><Year>2019</Year><Month>08</Month><Day>01</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>01</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-2650</ISSN><JournalIssue CitedMedium="Internet"><Volume>1860</Volume><Issue>1</Issue><PubDate><Year>2019</Year><Month>01</Month></PubDate></JournalIssue><Title>Biochimica et biophysica acta. Bioenergetics</Title><ISOAbbreviation>Biochim Biophys Acta Bioenerg</ISOAbbreviation></Journal><ArticleTitle>Light-adaptive state transitions in the Ross Sea haptophyte Phaeocystis antarctica and in dinoflagellate cells hosting kleptoplasts derived from it.</ArticleTitle><Pagination><MedlinePgn>102-110</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0005-2728(18)30677-7</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.bbabio.2018.11.016</ELocationID><Abstract><AbstractText>Light state transitions (STs) is a reversible physiological process that oxygenic photosynthetic organisms use in order to minimize imbalances in the electronic excitation delivery to the reaction centers of Photosystems I and II, and thus to optimize photosynthesis. STs have been studied extensively in plants, green algae, red algae and cyanobacteria, but sparsely in algae with secondary red algal plastids, such as diatoms and haptophytes, despite their immense ecological significance. In the present work, we examine whether the haptophyte alga Phaeocystis antarctica, and dinoflagellate cells that host kleptoplasts derived from P. antarctica, both endemic in the Ross Sea, Antarctica, are capable of light adaptive STs. In these organisms, Chl a fluorescence can be excited either by direct light absorption, or indirectly by electronic excitation (EE) transfer from ultraviolet light absorbing mycosporine-like amino acids (MAAs) to Chl a (Stamatakis et al., Biochim. Biophys. Acta 1858 [2017] 189-195). Here we show that, on adaptation to PS II-selective light, dark-adapted P. antarctica cells shift from light state 1 (ST1; more EE ending up in PS II) to light state 2 (ST2; more EE ending up in PS I), as revealed by the spectral distribution of directly-excited Chl a fluorescence and by changes in the macro-organization of pigment-protein complexes evidenced by circular dichroism (CD) spectroscopy. In contrast, no STs are clearly detected in the case of the kleptoplast-hosting dinoflagellate cells, and in the case of indirectly excited Chls a, via MAAs, in P. antarctica cells.</AbstractText><CopyrightInformation>Copyright © 2018 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Stamatakis</LastName><ForeName>Kostas</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece. Electronic address: kstam@bio.demokritos.gr.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Broussos</LastName><ForeName>Panayiotis-Ilias</ForeName><Initials>PI</Initials><AffiliationInfo><Affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Panagiotopoulou</LastName><ForeName>Angeliki</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gast</LastName><ForeName>Rebecca J</ForeName><Initials>RJ</Initials><AffiliationInfo><Affiliation>Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pelecanou</LastName><ForeName>Maria</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Papageorgiou</LastName><ForeName>George C</ForeName><Initials>GC</Initials><AffiliationInfo><Affiliation>Institute of Biosciences and Applications, NCSR "Demokritos", 15310, Aghia Paraskevi Attikis, Greece.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>11</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Biochim Biophys Acta Bioenerg</MedlineTA><NlmUniqueID>101731706</NlmUniqueID><ISSNLinking>0005-2728</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D045331">Photosystem I Protein Complex</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D045332">Photosystem II Protein Complex</NameOfSubstance></Chemical><Chemical><RegistryNumber>YF5Q9EJC8Y</RegistryNumber><NameOfSubstance UI="D000077194">Chlorophyll A</NameOfSubstance></Chemical></ChemicalList><MeshHeadingList><MeshHeading><DescriptorName UI="D000077194" MajorTopicYN="N">Chlorophyll A</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002736" MajorTopicYN="N">Chloroplasts</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004141" MajorTopicYN="N">Dinoflagellida</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004579" MajorTopicYN="N">Electron Transport</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004735" MajorTopicYN="Y">Energy Transfer</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005453" MajorTopicYN="N">Fluorescence</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058087" MajorTopicYN="N">Haptophyta</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008027" MajorTopicYN="N">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045331" MajorTopicYN="N">Photosystem I Protein Complex</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D045332" MajorTopicYN="N">Photosystem II Protein Complex</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018087" MajorTopicYN="N">Plastids</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Kleptoplasts</Keyword><Keyword MajorTopicYN="Y">Light state transitions</Keyword><Keyword MajorTopicYN="Y">Phaeocystis Antarctica</Keyword><Keyword MajorTopicYN="Y">Ross Sea dinoflagellates</Keyword><Keyword MajorTopicYN="Y">Secondary plastids</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>05</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>09</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>11</Month><Day>07</Day></PubMedPubDate><PubMedPubDate 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sort="Broussos, Panayiotis Ilias" uniqKey="Broussos P" first="Panayiotis-Ilias" last="Broussos">Panayiotis-Ilias Broussos</name><name sortKey="Panagiotopoulou, Angeliki" sort="Panagiotopoulou, Angeliki" uniqKey="Panagiotopoulou A" first="Angeliki" last="Panagiotopoulou">Angeliki Panagiotopoulou</name><name sortKey="Papageorgiou, George C" sort="Papageorgiou, George C" uniqKey="Papageorgiou G" first="George C" last="Papageorgiou">George C. Papageorgiou</name><name sortKey="Pelecanou, Maria" sort="Pelecanou, Maria" uniqKey="Pelecanou M" first="Maria" last="Pelecanou">Maria Pelecanou</name></country><country name="États-Unis"><region name="Massachusetts"><name sortKey="Gast, Rebecca J" sort="Gast, Rebecca J" uniqKey="Gast R" first="Rebecca J" last="Gast">Rebecca J. Gast</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Exploration/RBID.i -Sk "pubmed:30414926" \
| HfdSelect -Kh $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd \
| NlmPubMed2Wicri -a ChloroPlantRedoxV1
| This area was generated with Dilib version V0.6.38. |  |