Discerning the effects of phosphate status on the metabolism of hybrid poplar.
Identifieur interne : 000476 ( Main/Exploration ); précédent : 000475; suivant : 000477Discerning the effects of phosphate status on the metabolism of hybrid poplar.
Auteurs : Letitia M. Da Ros [Canada] ; Raju Y. Soolanayakanahally [Canada] ; Shawn D. Mansfield [Canada]Source :
- Tree physiology [ 1758-4469 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Populus.
- Feuilles de plante, Nutriments, Phosphates, Racines de plante.
English descriptors
- KwdEn :
- MESH :
- chemical : Phosphates.
- genetics : Populus.
- Nutrients, Plant Leaves, Plant Roots.
Abstract
Accumulation of phosphate in leaves as external environmental phosphate concentrations increase has been observed across the plant kingdom. The excess storage of anions, such as phosphate, has various metabolic trade-offs, including a corresponding influx of counter-ions to maintain charge balance and/or the reduction in organic acid content to maintain internal pH. The leaves and roots of four hybrid poplar genotypes were tested for differences in metabolic response to increasing external phosphate and further effects on patterns of anion resorption among hybrid poplar and willow were explored. Organic acid concentrations increased or remained constant across treatments, suggesting that metabolic adjustments were made in response to greater influxes of inorganic cations rather than a response to increasing phosphate. During senescence, the hybrid poplar Tristis had higher sulfate and organic acid resorption, while hybrid willow, AAFC-5, had higher phosphate resorption proficiencies, suggesting differing anion remobilization mechanisms. Furthermore, phosphate accumulation was shown to continue well after bud-set in poplar hybrids, which may contribute to the low phosphorus resorption efficiency. This indicates that closely related species, with similar growth strategies, show preferential resorption toward different nutrients.
DOI: 10.1093/treephys/tpz114
PubMed: 31748816
Affiliations:
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Da Ros</name><affiliation wicri:level="4"><nlm:affiliation>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author><author><name sortKey="Soolanayakanahally, Raju Y" sort="Soolanayakanahally, Raju Y" uniqKey="Soolanayakanahally R" first="Raju Y" last="Soolanayakanahally">Raju Y. Soolanayakanahally</name><affiliation wicri:level="1"><nlm:affiliation>Indian Head Research Farm, Agriculture and Agri-Food Canada, Indian Head, SK S0G 2K0, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Indian Head Research Farm, Agriculture and Agri-Food Canada, Indian Head, SK S0G 2K0</wicri:regionArea><wicri:noRegion>SK S0G 2K0</wicri:noRegion></affiliation></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. 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Da Ros</name><affiliation wicri:level="4"><nlm:affiliation>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author><author><name sortKey="Soolanayakanahally, Raju Y" sort="Soolanayakanahally, Raju Y" uniqKey="Soolanayakanahally R" first="Raju Y" last="Soolanayakanahally">Raju Y. Soolanayakanahally</name><affiliation wicri:level="1"><nlm:affiliation>Indian Head Research Farm, Agriculture and Agri-Food Canada, Indian Head, SK S0G 2K0, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Indian Head Research Farm, Agriculture and Agri-Food Canada, Indian Head, SK S0G 2K0</wicri:regionArea><wicri:noRegion>SK S0G 2K0</wicri:noRegion></affiliation></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name><affiliation wicri:level="4"><nlm:affiliation>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Nutrients (MeSH)</term><term>Phosphates (MeSH)</term><term>Plant Leaves (MeSH)</term><term>Plant Roots (MeSH)</term><term>Populus (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Feuilles de plante (MeSH)</term><term>Nutriments (MeSH)</term><term>Phosphates (MeSH)</term><term>Populus (génétique)</term><term>Racines de plante (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Phosphates</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Nutrients</term><term>Plant Leaves</term><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Feuilles de plante</term><term>Nutriments</term><term>Phosphates</term><term>Racines de plante</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Accumulation of phosphate in leaves as external environmental phosphate concentrations increase has been observed across the plant kingdom. The excess storage of anions, such as phosphate, has various metabolic trade-offs, including a corresponding influx of counter-ions to maintain charge balance and/or the reduction in organic acid content to maintain internal pH. The leaves and roots of four hybrid poplar genotypes were tested for differences in metabolic response to increasing external phosphate and further effects on patterns of anion resorption among hybrid poplar and willow were explored. Organic acid concentrations increased or remained constant across treatments, suggesting that metabolic adjustments were made in response to greater influxes of inorganic cations rather than a response to increasing phosphate. During senescence, the hybrid poplar Tristis had higher sulfate and organic acid resorption, while hybrid willow, AAFC-5, had higher phosphate resorption proficiencies, suggesting differing anion remobilization mechanisms. Furthermore, phosphate accumulation was shown to continue well after bud-set in poplar hybrids, which may contribute to the low phosphorus resorption efficiency. This indicates that closely related species, with similar growth strategies, show preferential resorption toward different nutrients.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">31748816</PMID><DateCompleted><Year>2020</Year><Month>09</Month><Day>30</Day></DateCompleted><DateRevised><Year>2020</Year><Month>10</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>40</Volume><Issue>2</Issue><PubDate><Year>2020</Year><Month>02</Month><Day>20</Day></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Discerning the effects of phosphate status on the metabolism of hybrid poplar.</ArticleTitle><Pagination><MedlinePgn>158-169</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpz114</ELocationID><Abstract><AbstractText>Accumulation of phosphate in leaves as external environmental phosphate concentrations increase has been observed across the plant kingdom. The excess storage of anions, such as phosphate, has various metabolic trade-offs, including a corresponding influx of counter-ions to maintain charge balance and/or the reduction in organic acid content to maintain internal pH. The leaves and roots of four hybrid poplar genotypes were tested for differences in metabolic response to increasing external phosphate and further effects on patterns of anion resorption among hybrid poplar and willow were explored. Organic acid concentrations increased or remained constant across treatments, suggesting that metabolic adjustments were made in response to greater influxes of inorganic cations rather than a response to increasing phosphate. During senescence, the hybrid poplar Tristis had higher sulfate and organic acid resorption, while hybrid willow, AAFC-5, had higher phosphate resorption proficiencies, suggesting differing anion remobilization mechanisms. Furthermore, phosphate accumulation was shown to continue well after bud-set in poplar hybrids, which may contribute to the low phosphorus resorption efficiency. This indicates that closely related species, with similar growth strategies, show preferential resorption toward different nutrients.</AbstractText><CopyrightInformation>© The Author(s) 2019. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Da Ros</LastName><ForeName>Letitia M</ForeName><Initials>LM</Initials><AffiliationInfo><Affiliation>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Soolanayakanahally</LastName><ForeName>Raju Y</ForeName><Initials>RY</Initials><AffiliationInfo><Affiliation>Indian Head Research Farm, Agriculture and Agri-Food Canada, Indian Head, SK S0G 2K0, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mansfield</LastName><ForeName>Shawn D</ForeName><Initials>SD</Initials><AffiliationInfo><Affiliation>University of British Columbia, Department of Wood Science, 2424 Main Mall, Vancouver, BC V6T1Z4, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010710">Phosphates</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000078622" MajorTopicYN="N">Nutrients</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010710" MajorTopicYN="Y">Phosphates</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">PHT1 family</Keyword><Keyword MajorTopicYN="Y">Salicaceae</Keyword><Keyword MajorTopicYN="Y">anion resorption</Keyword><Keyword MajorTopicYN="Y">ion homeostasis</Keyword><Keyword MajorTopicYN="Y">metabolic trade-offs</Keyword><Keyword MajorTopicYN="Y">nutrient allocation</Keyword><Keyword MajorTopicYN="Y">phosphorus</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>09</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>10</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>10</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31748816</ArticleId><ArticleId IdType="pii">5636867</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpz114</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country><region><li>Colombie-Britannique </li></region><settlement><li>Vancouver</li></settlement><orgName><li>Université de la Colombie-Britannique</li></orgName></list><tree><country name="Canada"><region name="Colombie-Britannique "><name sortKey="Da Ros, Letitia M" sort="Da Ros, Letitia M" uniqKey="Da Ros L" first="Letitia M" last="Da Ros">Letitia M. Da Ros</name></region><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name><name sortKey="Soolanayakanahally, Raju Y" sort="Soolanayakanahally, Raju Y" uniqKey="Soolanayakanahally R" first="Raju Y" last="Soolanayakanahally">Raju Y. Soolanayakanahally</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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