The "one-point method" for estimating maximum carboxylation capacity of photosynthesis: A cautionary tale.
Identifieur interne : 000692 ( Main/Exploration ); précédent : 000691; suivant : 000693The "one-point method" for estimating maximum carboxylation capacity of photosynthesis: A cautionary tale.
Auteurs : Angela C. Burnett [États-Unis] ; Kenneth J. Davidson [États-Unis] ; Shawn P. Serbin [États-Unis] ; Alistair Rogers [États-Unis]Source :
- Plant, cell & environment [ 1365-3040 ] ; 2019.
Descripteurs français
- KwdFr :
- Carbone (métabolisme), Helianthus (métabolisme), Modèles biologiques (MeSH), Phaseolus (métabolisme), Photosynthèse (MeSH), Poaceae (métabolisme), Populus (métabolisme), Quercus (métabolisme), Raphanus (métabolisme), Ribulose bisphosphate carboxylase (métabolisme), Ribulose bisphosphate carboxylase (physiologie).
- MESH :
- métabolisme : Carbone, Helianthus, Phaseolus, Poaceae, Populus, Quercus, Raphanus, Ribulose bisphosphate carboxylase.
- physiologie : Ribulose bisphosphate carboxylase.
- Modèles biologiques, Photosynthèse.
English descriptors
- KwdEn :
- Carbon (metabolism), Helianthus (metabolism), Models, Biological (MeSH), Phaseolus (metabolism), Photosynthesis (MeSH), Poaceae (metabolism), Populus (metabolism), Quercus (metabolism), Raphanus (metabolism), Ribulose-Bisphosphate Carboxylase (metabolism), Ribulose-Bisphosphate Carboxylase (physiology).
- MESH :
- chemical , metabolism : Carbon, Ribulose-Bisphosphate Carboxylase.
- metabolism : Helianthus, Phaseolus, Poaceae, Populus, Quercus, Raphanus.
- chemical , physiology : Ribulose-Bisphosphate Carboxylase.
- Models, Biological, Photosynthesis.
Abstract
The maximum carboxylation capacity of Rubisco, Vc,max , is an important photosynthetic parameter that is key to accurate estimation of carbon assimilation. The gold-standard technique for determining Vc,max is to derive Vc,max from the initial slope of an A-Ci curve (the response of photosynthesis, A, to intercellular CO2 concentration, Ci ). Accurate estimates of Vc,max derived from an alternative and rapid "one-point" measurement of photosynthesis could greatly accelerate data collection and model parameterization. We evaluated the practical application of the one-point method in six species measured under standard conditions (saturating irradiance and 400 μmol CO2 mol-1 ) and under conditions that would increase the likelihood for successful estimation of Vc,max : (a) ensuring Rubisco-limited A by measuring at 300 μmol CO2 mol-1 and (b) allowing time for acclimation to saturating irradiance prior to measurement. The one-point method significantly underestimated Vc,max in four of the six species, providing estimates 21%-32% below fitted values. We identified ribulose-1,5-bisphosphate-limited A, light acclimation, and the use of an assumed respiration rate as factors that limited the effective use of the one-point method to accurately estimate Vc,max . We conclude that the one-point method requires a species-specific understanding of its application, is often unsuccessful, and must be used with caution.
DOI: 10.1111/pce.13574
PubMed: 31049970
Affiliations:
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Burnett</name><affiliation wicri:level="2"><nlm:affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Davidson, Kenneth J" sort="Davidson, Kenneth J" uniqKey="Davidson K" first="Kenneth J" last="Davidson">Kenneth J. Davidson</name><affiliation wicri:level="2"><nlm:affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Serbin, Shawn P" sort="Serbin, Shawn P" uniqKey="Serbin S" first="Shawn P" last="Serbin">Shawn P. Serbin</name><affiliation wicri:level="2"><nlm:affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Rogers, Alistair" sort="Rogers, Alistair" uniqKey="Rogers A" first="Alistair" last="Rogers">Alistair Rogers</name><affiliation wicri:level="2"><nlm:affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author></analytic><series><title level="j">Plant, cell & environment</title><idno type="eISSN">1365-3040</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (metabolism)</term><term>Helianthus (metabolism)</term><term>Models, Biological (MeSH)</term><term>Phaseolus (metabolism)</term><term>Photosynthesis (MeSH)</term><term>Poaceae (metabolism)</term><term>Populus (metabolism)</term><term>Quercus (metabolism)</term><term>Raphanus (metabolism)</term><term>Ribulose-Bisphosphate Carboxylase (metabolism)</term><term>Ribulose-Bisphosphate Carboxylase (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Carbone (métabolisme)</term><term>Helianthus (métabolisme)</term><term>Modèles biologiques (MeSH)</term><term>Phaseolus (métabolisme)</term><term>Photosynthèse (MeSH)</term><term>Poaceae (métabolisme)</term><term>Populus (métabolisme)</term><term>Quercus (métabolisme)</term><term>Raphanus (métabolisme)</term><term>Ribulose bisphosphate carboxylase (métabolisme)</term><term>Ribulose bisphosphate carboxylase (physiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term><term>Ribulose-Bisphosphate Carboxylase</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Helianthus</term><term>Phaseolus</term><term>Poaceae</term><term>Populus</term><term>Quercus</term><term>Raphanus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Carbone</term><term>Helianthus</term><term>Phaseolus</term><term>Poaceae</term><term>Populus</term><term>Quercus</term><term>Raphanus</term><term>Ribulose bisphosphate carboxylase</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Ribulose bisphosphate carboxylase</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Ribulose-Bisphosphate Carboxylase</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Models, Biological</term><term>Photosynthesis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Modèles biologiques</term><term>Photosynthèse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The maximum carboxylation capacity of Rubisco, V<sub>c,max</sub> , is an important photosynthetic parameter that is key to accurate estimation of carbon assimilation. The gold-standard technique for determining V<sub>c,max</sub> is to derive V<sub>c,max</sub> from the initial slope of an A-C<sub>i</sub> curve (the response of photosynthesis, A, to intercellular CO<sub>2</sub> concentration, C<sub>i</sub> ). Accurate estimates of V<sub>c,max</sub> derived from an alternative and rapid "one-point" measurement of photosynthesis could greatly accelerate data collection and model parameterization. We evaluated the practical application of the one-point method in six species measured under standard conditions (saturating irradiance and 400 μmol CO<sub>2</sub> mol<sup>-1</sup> ) and under conditions that would increase the likelihood for successful estimation of V<sub>c,max</sub> : (a) ensuring Rubisco-limited A by measuring at 300 μmol CO<sub>2</sub> mol<sup>-1</sup> and (b) allowing time for acclimation to saturating irradiance prior to measurement. The one-point method significantly underestimated V<sub>c,max</sub> in four of the six species, providing estimates 21%-32% below fitted values. We identified ribulose-1,5-bisphosphate-limited A, light acclimation, and the use of an assumed respiration rate as factors that limited the effective use of the one-point method to accurately estimate V<sub>c,max</sub> . We conclude that the one-point method requires a species-specific understanding of its application, is often unsuccessful, and must be used with caution.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31049970</PMID><DateCompleted><Year>2020</Year><Month>05</Month><Day>18</Day></DateCompleted><DateRevised><Year>2020</Year><Month>05</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-3040</ISSN><JournalIssue CitedMedium="Internet"><Volume>42</Volume><Issue>8</Issue><PubDate><Year>2019</Year><Month>08</Month></PubDate></JournalIssue><Title>Plant, cell & environment</Title><ISOAbbreviation>Plant Cell Environ</ISOAbbreviation></Journal><ArticleTitle>The "one-point method" for estimating maximum carboxylation capacity of photosynthesis: A cautionary tale.</ArticleTitle><Pagination><MedlinePgn>2472-2481</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/pce.13574</ELocationID><Abstract><AbstractText>The maximum carboxylation capacity of Rubisco, V<sub>c,max</sub> , is an important photosynthetic parameter that is key to accurate estimation of carbon assimilation. The gold-standard technique for determining V<sub>c,max</sub> is to derive V<sub>c,max</sub> from the initial slope of an A-C<sub>i</sub> curve (the response of photosynthesis, A, to intercellular CO<sub>2</sub> concentration, C<sub>i</sub> ). Accurate estimates of V<sub>c,max</sub> derived from an alternative and rapid "one-point" measurement of photosynthesis could greatly accelerate data collection and model parameterization. We evaluated the practical application of the one-point method in six species measured under standard conditions (saturating irradiance and 400 μmol CO<sub>2</sub> mol<sup>-1</sup> ) and under conditions that would increase the likelihood for successful estimation of V<sub>c,max</sub> : (a) ensuring Rubisco-limited A by measuring at 300 μmol CO<sub>2</sub> mol<sup>-1</sup> and (b) allowing time for acclimation to saturating irradiance prior to measurement. The one-point method significantly underestimated V<sub>c,max</sub> in four of the six species, providing estimates 21%-32% below fitted values. We identified ribulose-1,5-bisphosphate-limited A, light acclimation, and the use of an assumed respiration rate as factors that limited the effective use of the one-point method to accurately estimate V<sub>c,max</sub> . We conclude that the one-point method requires a species-specific understanding of its application, is often unsuccessful, and must be used with caution.</AbstractText><CopyrightInformation>© 2019 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Burnett</LastName><ForeName>Angela C</ForeName><Initials>AC</Initials><Identifier Source="ORCID">0000-0002-2678-9842</Identifier><AffiliationInfo><Affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Davidson</LastName><ForeName>Kenneth J</ForeName><Initials>KJ</Initials><Identifier Source="ORCID">0000-0001-5745-9689</Identifier><AffiliationInfo><Affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Serbin</LastName><ForeName>Shawn P</ForeName><Initials>SP</Initials><Identifier Source="ORCID">0000-0003-4136-8971</Identifier><AffiliationInfo><Affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rogers</LastName><ForeName>Alistair</ForeName><Initials>A</Initials><Identifier Source="ORCID">0000-0001-9262-7430</Identifier><AffiliationInfo><Affiliation>Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, New York.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D023362">Evaluation Study</PublicationType><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>2019</Year><Month>06</Month><Day>20</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Cell Environ</MedlineTA><NlmUniqueID>9309004</NlmUniqueID><ISSNLinking>0140-7791</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 4.1.1.39</RegistryNumber><NameOfSubstance UI="D012273">Ribulose-Bisphosphate Carboxylase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006368" MajorTopicYN="N">Helianthus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="Y">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D027805" MajorTopicYN="N">Phaseolus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="Y">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006109" MajorTopicYN="N">Poaceae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D029963" MajorTopicYN="N">Quercus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031224" MajorTopicYN="N">Raphanus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012273" MajorTopicYN="N">Ribulose-Bisphosphate Carboxylase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">CO2</Keyword><Keyword MajorTopicYN="Y">light</Keyword><Keyword MajorTopicYN="Y">photosynthesis</Keyword><Keyword MajorTopicYN="Y">respiration</Keyword><Keyword MajorTopicYN="Y">rubisco</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>02</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>04</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>04</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>5</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>5</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>5</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31049970</ArticleId><ArticleId IdType="doi">10.1111/pce.13574</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Burnett, Angela C" sort="Burnett, Angela C" uniqKey="Burnett A" first="Angela C" last="Burnett">Angela C. Burnett</name></region><name sortKey="Davidson, Kenneth J" sort="Davidson, Kenneth J" uniqKey="Davidson K" first="Kenneth J" last="Davidson">Kenneth J. Davidson</name><name sortKey="Rogers, Alistair" sort="Rogers, Alistair" uniqKey="Rogers A" first="Alistair" last="Rogers">Alistair Rogers</name><name sortKey="Serbin, Shawn P" sort="Serbin, Shawn P" uniqKey="Serbin S" first="Shawn P" last="Serbin">Shawn P. Serbin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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