Comparative Ecophysiology of the Xanthophyll Cycle in Six Marine Phytoplanktonic Species
The ecophysiology of the photoprotective xanthophyll cycle (XC) was compared in six chlorophyll c-containing pico- and nano-phytoplankton species. Different accessory pigment combinations and ecological properties characterize the six studied species, Bolidomonas mediterranea, Pelagomonas calceolata...
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| Veröffentlicht in: | Protist 2009-08, Vol.160 (3), p.397-411 |
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| creator | Dimier, Céline Giovanni, Saviello Ferdinando, Tramontano Brunet, Christophe |
| description | The ecophysiology of the photoprotective xanthophyll cycle (XC) was compared in six chlorophyll
c-containing pico- and nano-phytoplankton species. Different accessory pigment combinations and ecological properties characterize the six studied species,
Bolidomonas mediterranea,
Pelagomonas calceolata,
Phaeocystis cordata,
Phaeocystis sp. (strain RCC186),
Mesopedinella arctica and
Ochromonas sp. The first experimental set consisted in the study of the activity of the xanthophyll cycle and non-photochemical quenching (NPQ) during two gradual light increases, with photon flux density (PFD) ranging from 40 to 400
μmol
photons
m
−2
s
−1. Pigments, absorption spectra, flow cytometry measurements for cell counts and chlorophyll
a autofluorescence and Electron Transport Rate (ETR) vs. light curves were determined at different times during the experiment. The second set of experiments consisted in using two inhibitors: carotenogenesis inhibitor (norflurazon) and de-epoxidation step (occurring in the xanthophyll cycle) inhibitor (dithiotreitol) during high-light shift, to compare the functioning of the xanthophyll cycle among the different species. Results highlighted a large diversity in the xanthophyll cycle functioning, possibly related to the ecological traits of the species. In view of the results, three groups of species have been identified as (i) high light-adapted, (ii) low light-adapted and (iii) variable light-adapted species. |
| doi_str_mv | 10.1016/j.protis.2009.03.001 |
| format | Article |
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c-containing pico- and nano-phytoplankton species. Different accessory pigment combinations and ecological properties characterize the six studied species,
Bolidomonas mediterranea,
Pelagomonas calceolata,
Phaeocystis cordata,
Phaeocystis sp. (strain RCC186),
Mesopedinella arctica and
Ochromonas sp. The first experimental set consisted in the study of the activity of the xanthophyll cycle and non-photochemical quenching (NPQ) during two gradual light increases, with photon flux density (PFD) ranging from 40 to 400
μmol
photons
m
−2
s
−1. Pigments, absorption spectra, flow cytometry measurements for cell counts and chlorophyll
a autofluorescence and Electron Transport Rate (ETR) vs. light curves were determined at different times during the experiment. The second set of experiments consisted in using two inhibitors: carotenogenesis inhibitor (norflurazon) and de-epoxidation step (occurring in the xanthophyll cycle) inhibitor (dithiotreitol) during high-light shift, to compare the functioning of the xanthophyll cycle among the different species. Results highlighted a large diversity in the xanthophyll cycle functioning, possibly related to the ecological traits of the species. In view of the results, three groups of species have been identified as (i) high light-adapted, (ii) low light-adapted and (iii) variable light-adapted species.</description><identifier>ISSN: 1434-4610</identifier><identifier>EISSN: 1618-0941</identifier><identifier>DOI: 10.1016/j.protis.2009.03.001</identifier><identifier>PMID: 19375387</identifier><language>eng</language><publisher>Germany: Elsevier GmbH</publisher><subject>Adaptation, Physiological ; diatoxanthin ; Earth Sciences ; Eukaryota - metabolism ; Eukaryota - radiation effects ; Light ; Oceanography ; photoprotection ; phytoplankton ; picoplankton ; pigments ; Pigments, Biological - biosynthesis ; Sciences of the Universe ; Stress, Physiological ; Water Microbiology ; xanthophyll cycle ; Xanthophylls - biosynthesis</subject><ispartof>Protist, 2009-08, Vol.160 (3), p.397-411</ispartof><rights>2009 Elsevier GmbH</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c491t-43c5eb6d92c12879b22128090fd46e788e077dd712c83da5a4fc22bb9be81c7e3</citedby><cites>FETCH-LOGICAL-c491t-43c5eb6d92c12879b22128090fd46e788e077dd712c83da5a4fc22bb9be81c7e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.protis.2009.03.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,885,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19375387$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-03505016$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Dimier, Céline</creatorcontrib><creatorcontrib>Giovanni, Saviello</creatorcontrib><creatorcontrib>Ferdinando, Tramontano</creatorcontrib><creatorcontrib>Brunet, Christophe</creatorcontrib><title>Comparative Ecophysiology of the Xanthophyll Cycle in Six Marine Phytoplanktonic Species</title><title>Protist</title><addtitle>Protist</addtitle><description>The ecophysiology of the photoprotective xanthophyll cycle (XC) was compared in six chlorophyll
c-containing pico- and nano-phytoplankton species. Different accessory pigment combinations and ecological properties characterize the six studied species,
Bolidomonas mediterranea,
Pelagomonas calceolata,
Phaeocystis cordata,
Phaeocystis sp. (strain RCC186),
Mesopedinella arctica and
Ochromonas sp. The first experimental set consisted in the study of the activity of the xanthophyll cycle and non-photochemical quenching (NPQ) during two gradual light increases, with photon flux density (PFD) ranging from 40 to 400
μmol
photons
m
−2
s
−1. Pigments, absorption spectra, flow cytometry measurements for cell counts and chlorophyll
a autofluorescence and Electron Transport Rate (ETR) vs. light curves were determined at different times during the experiment. The second set of experiments consisted in using two inhibitors: carotenogenesis inhibitor (norflurazon) and de-epoxidation step (occurring in the xanthophyll cycle) inhibitor (dithiotreitol) during high-light shift, to compare the functioning of the xanthophyll cycle among the different species. Results highlighted a large diversity in the xanthophyll cycle functioning, possibly related to the ecological traits of the species. In view of the results, three groups of species have been identified as (i) high light-adapted, (ii) low light-adapted and (iii) variable light-adapted species.</description><subject>Adaptation, Physiological</subject><subject>diatoxanthin</subject><subject>Earth Sciences</subject><subject>Eukaryota - metabolism</subject><subject>Eukaryota - radiation effects</subject><subject>Light</subject><subject>Oceanography</subject><subject>photoprotection</subject><subject>phytoplankton</subject><subject>picoplankton</subject><subject>pigments</subject><subject>Pigments, Biological - biosynthesis</subject><subject>Sciences of the Universe</subject><subject>Stress, Physiological</subject><subject>Water Microbiology</subject><subject>xanthophyll cycle</subject><subject>Xanthophylls - biosynthesis</subject><issn>1434-4610</issn><issn>1618-0941</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkV2L1DAUhoso7of-A5FcCV60JmmajxthGVZ3YURhFfYupOmpzdhpapIZ7L83Qwe906tzODznnJf3LYpXBFcEE_5uV83BJxcrirGqcF1hTJ4Ul4QTWWLFyNPcs5qVjBN8UVzFuMsAU1w-Ly6IqkVTS3FZPG78fjbBJHcEdGv9PCzR-dF_X5DvURoAPZopDaf5OKLNYkdAbkIP7hf6ZIKbAH0ZluTn0Uw_kp-cRQ8zWAfxRfGsN2OEl-d6XXz7cPt1c1duP3-839xsS8sUSSWrbQMt7xS1hEqhWkpzxQr3HeMgpAQsRNcJQq2sO9MY1ltK21a1IIkVUF8Xb9e7gxn1HNzehEV74_TdzVafZrhucJMNO5LMvlnZ7NzPA8Sk9y5aGLN48IeouWANF0r9F6SYEsFlk0G2gjb4GAP0fyQQrE8x6Z1eY9KnmLIYnVPIa6_P9w_tHrq_S-dcMvB-BSBbd3QQdMymThY6F8Am3Xn37w-_AVwgpYE</recordid><startdate>20090801</startdate><enddate>20090801</enddate><creator>Dimier, Céline</creator><creator>Giovanni, Saviello</creator><creator>Ferdinando, Tramontano</creator><creator>Brunet, Christophe</creator><general>Elsevier GmbH</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope><scope>1XC</scope></search><sort><creationdate>20090801</creationdate><title>Comparative Ecophysiology of the Xanthophyll Cycle in Six Marine Phytoplanktonic Species</title><author>Dimier, Céline ; 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c-containing pico- and nano-phytoplankton species. Different accessory pigment combinations and ecological properties characterize the six studied species,
Bolidomonas mediterranea,
Pelagomonas calceolata,
Phaeocystis cordata,
Phaeocystis sp. (strain RCC186),
Mesopedinella arctica and
Ochromonas sp. The first experimental set consisted in the study of the activity of the xanthophyll cycle and non-photochemical quenching (NPQ) during two gradual light increases, with photon flux density (PFD) ranging from 40 to 400
μmol
photons
m
−2
s
−1. Pigments, absorption spectra, flow cytometry measurements for cell counts and chlorophyll
a autofluorescence and Electron Transport Rate (ETR) vs. light curves were determined at different times during the experiment. The second set of experiments consisted in using two inhibitors: carotenogenesis inhibitor (norflurazon) and de-epoxidation step (occurring in the xanthophyll cycle) inhibitor (dithiotreitol) during high-light shift, to compare the functioning of the xanthophyll cycle among the different species. Results highlighted a large diversity in the xanthophyll cycle functioning, possibly related to the ecological traits of the species. In view of the results, three groups of species have been identified as (i) high light-adapted, (ii) low light-adapted and (iii) variable light-adapted species.</abstract><cop>Germany</cop><pub>Elsevier GmbH</pub><pmid>19375387</pmid><doi>10.1016/j.protis.2009.03.001</doi><tpages>15</tpages></addata></record> |
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| subjects | Adaptation, Physiological diatoxanthin Earth Sciences Eukaryota - metabolism Eukaryota - radiation effects Light Oceanography photoprotection phytoplankton picoplankton pigments Pigments, Biological - biosynthesis Sciences of the Universe Stress, Physiological Water Microbiology xanthophyll cycle Xanthophylls - biosynthesis |
| title | Comparative Ecophysiology of the Xanthophyll Cycle in Six Marine Phytoplanktonic Species |
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