Mineral nutrition of campos rupestres plant species on contrasting nutrient-impoverished soil types.
Identifieur interne : 001648 ( Main/Curation ); précédent : 001647; suivant : 001649Mineral nutrition of campos rupestres plant species on contrasting nutrient-impoverished soil types.
Auteurs : Rafael S. Oliveira [Australie] ; Hugo C. Galvão ; Mariana C R. De Campos ; Cleiton B. Eller ; Stuart J. Pearse ; Hans LambersSource :
- The New phytologist [ 1469-8137 ] ; 2015.
Descripteurs français
- KwdFr :
- Azote (analyse), Feuilles de plante (composition chimique), Minéraux (analyse), Mycorhizes (MeSH), Phosphore (analyse), Phénomènes physiologiques nutritionnels (MeSH), Plantes (métabolisme), Racines de plante (composition chimique), Sol (composition chimique), Spécificité d'espèce (MeSH), Écosystème (MeSH).
- MESH :
- analyse : Azote, Minéraux, Phosphore.
- composition chimique : Feuilles de plante, Racines de plante, Sol.
- métabolisme : Plantes.
- Mycorhizes, Phénomènes physiologiques nutritionnels, Spécificité d'espèce, Écosystème.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Minerals, Nitrogen, Phosphorus.
- chemistry : Plant Leaves, Plant Roots, Soil.
- metabolism : Plants.
- Ecosystem, Mycorrhizae, Nutritional Physiological Phenomena, Species Specificity.
Abstract
In Brazil, the campos rupestres occur over the Brazilian shield, and are characterized by acidic nutrient-impoverished soils, which are particularly low in phosphorus (P). Despite recognition of the campos rupestres as a global biodiversity hotspot, little is known about the diversity of P-acquisition strategies and other aspects of plant mineral nutrition in this region. To explore nutrient-acquisition strategies and assess aspects of plant P nutrition, we measured leaf P and nitrogen (N) concentrations, characterized root morphology and determined the percentage arbuscular mycorrhizal (AM) colonization of 50 dominant species in six communities, representing a gradient of soil P availability. Leaf manganese (Mn) concentration was measured as a proxy for carboxylate-releasing strategies. Communities on the most P-impoverished soils had the highest proportion of nonmycorrhizal (NM) species, the lowest percentage of mycorrhizal colonization, and the greatest diversity of root specializations. The large spectrum of leaf P concentration and variation in root morphologies show high functional diversity for nutritional strategies. Higher leaf Mn concentrations were observed in NM compared with AM species, indicating that carboxylate-releasing P-mobilizing strategies are likely to be present in NM species. The soils of the campos rupestres are similar to the most P-impoverished soils in the world. The prevalence of NM strategies indicates a strong global functional convergence in plant mineral nutrition strategies among severely P-impoverished ecosystems.
DOI: 10.1111/nph.13175
PubMed: 25425486
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Oliveira</name><affiliation wicri:level="1"><nlm:affiliation>Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Rua Monteiro Lobato 255, Campinas, 13083-862, Brazil; School of Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6009, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Rua Monteiro Lobato 255, Campinas, 13083-862, Brazil; School of Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6009</wicri:regionArea></affiliation></author><author><name sortKey="Galvao, Hugo C" sort="Galvao, Hugo C" uniqKey="Galvao H" first="Hugo C" last="Galvão">Hugo C. Galvão</name></author><author><name sortKey="De Campos, Mariana C R" sort="De Campos, Mariana C R" uniqKey="De Campos M" first="Mariana C R" last="De Campos">Mariana C R. De Campos</name></author><author><name sortKey="Eller, Cleiton B" sort="Eller, Cleiton B" uniqKey="Eller C" first="Cleiton B" last="Eller">Cleiton B. Eller</name></author><author><name sortKey="Pearse, Stuart J" sort="Pearse, Stuart J" uniqKey="Pearse S" first="Stuart J" last="Pearse">Stuart J. 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Oliveira</name><affiliation wicri:level="1"><nlm:affiliation>Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Rua Monteiro Lobato 255, Campinas, 13083-862, Brazil; School of Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6009, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Rua Monteiro Lobato 255, Campinas, 13083-862, Brazil; School of Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6009</wicri:regionArea></affiliation></author><author><name sortKey="Galvao, Hugo C" sort="Galvao, Hugo C" uniqKey="Galvao H" first="Hugo C" last="Galvão">Hugo C. Galvão</name></author><author><name sortKey="De Campos, Mariana C R" sort="De Campos, Mariana C R" uniqKey="De Campos M" first="Mariana C R" last="De Campos">Mariana C R. De Campos</name></author><author><name sortKey="Eller, Cleiton B" sort="Eller, Cleiton B" uniqKey="Eller C" first="Cleiton B" last="Eller">Cleiton B. Eller</name></author><author><name sortKey="Pearse, Stuart J" sort="Pearse, Stuart J" uniqKey="Pearse S" first="Stuart J" last="Pearse">Stuart J. Pearse</name></author><author><name sortKey="Lambers, Hans" sort="Lambers, Hans" uniqKey="Lambers H" first="Hans" last="Lambers">Hans Lambers</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ecosystem (MeSH)</term><term>Minerals (analysis)</term><term>Mycorrhizae (MeSH)</term><term>Nitrogen (analysis)</term><term>Nutritional Physiological Phenomena (MeSH)</term><term>Phosphorus (analysis)</term><term>Plant Leaves (chemistry)</term><term>Plant Roots (chemistry)</term><term>Plants (metabolism)</term><term>Soil (chemistry)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Azote (analyse)</term><term>Feuilles de plante (composition chimique)</term><term>Minéraux (analyse)</term><term>Mycorhizes (MeSH)</term><term>Phosphore (analyse)</term><term>Phénomènes physiologiques nutritionnels (MeSH)</term><term>Plantes (métabolisme)</term><term>Racines de plante (composition chimique)</term><term>Sol (composition chimique)</term><term>Spécificité d'espèce (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Minerals</term><term>Nitrogen</term><term>Phosphorus</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Azote</term><term>Minéraux</term><term>Phosphore</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plant Leaves</term><term>Plant Roots</term><term>Soil</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Feuilles de plante</term><term>Racines de plante</term><term>Sol</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plants</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Plantes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ecosystem</term><term>Mycorrhizae</term><term>Nutritional Physiological Phenomena</term><term>Species Specificity</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Mycorhizes</term><term>Phénomènes physiologiques nutritionnels</term><term>Spécificité d'espèce</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In Brazil, the campos rupestres occur over the Brazilian shield, and are characterized by acidic nutrient-impoverished soils, which are particularly low in phosphorus (P). Despite recognition of the campos rupestres as a global biodiversity hotspot, little is known about the diversity of P-acquisition strategies and other aspects of plant mineral nutrition in this region. To explore nutrient-acquisition strategies and assess aspects of plant P nutrition, we measured leaf P and nitrogen (N) concentrations, characterized root morphology and determined the percentage arbuscular mycorrhizal (AM) colonization of 50 dominant species in six communities, representing a gradient of soil P availability. Leaf manganese (Mn) concentration was measured as a proxy for carboxylate-releasing strategies. Communities on the most P-impoverished soils had the highest proportion of nonmycorrhizal (NM) species, the lowest percentage of mycorrhizal colonization, and the greatest diversity of root specializations. The large spectrum of leaf P concentration and variation in root morphologies show high functional diversity for nutritional strategies. Higher leaf Mn concentrations were observed in NM compared with AM species, indicating that carboxylate-releasing P-mobilizing strategies are likely to be present in NM species. The soils of the campos rupestres are similar to the most P-impoverished soils in the world. The prevalence of NM strategies indicates a strong global functional convergence in plant mineral nutrition strategies among severely P-impoverished ecosystems. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25425486</PMID><DateCompleted><Year>2016</Year><Month>01</Month><Day>04</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>205</Volume><Issue>3</Issue><PubDate><Year>2015</Year><Month>Feb</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Mineral nutrition of campos rupestres plant species on contrasting nutrient-impoverished soil types.</ArticleTitle><Pagination><MedlinePgn>1183-94</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.13175</ELocationID><Abstract><AbstractText>In Brazil, the campos rupestres occur over the Brazilian shield, and are characterized by acidic nutrient-impoverished soils, which are particularly low in phosphorus (P). Despite recognition of the campos rupestres as a global biodiversity hotspot, little is known about the diversity of P-acquisition strategies and other aspects of plant mineral nutrition in this region. To explore nutrient-acquisition strategies and assess aspects of plant P nutrition, we measured leaf P and nitrogen (N) concentrations, characterized root morphology and determined the percentage arbuscular mycorrhizal (AM) colonization of 50 dominant species in six communities, representing a gradient of soil P availability. Leaf manganese (Mn) concentration was measured as a proxy for carboxylate-releasing strategies. Communities on the most P-impoverished soils had the highest proportion of nonmycorrhizal (NM) species, the lowest percentage of mycorrhizal colonization, and the greatest diversity of root specializations. The large spectrum of leaf P concentration and variation in root morphologies show high functional diversity for nutritional strategies. Higher leaf Mn concentrations were observed in NM compared with AM species, indicating that carboxylate-releasing P-mobilizing strategies are likely to be present in NM species. The soils of the campos rupestres are similar to the most P-impoverished soils in the world. The prevalence of NM strategies indicates a strong global functional convergence in plant mineral nutrition strategies among severely P-impoverished ecosystems. </AbstractText><CopyrightInformation>© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Oliveira</LastName><ForeName>Rafael S</ForeName><Initials>RS</Initials><AffiliationInfo><Affiliation>Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Rua Monteiro Lobato 255, Campinas, 13083-862, Brazil; School of Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6009, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Galvão</LastName><ForeName>Hugo C</ForeName><Initials>HC</Initials></Author><Author ValidYN="Y"><LastName>de Campos</LastName><ForeName>Mariana C R</ForeName><Initials>MC</Initials></Author><Author ValidYN="Y"><LastName>Eller</LastName><ForeName>Cleiton B</ForeName><Initials>CB</Initials></Author><Author ValidYN="Y"><LastName>Pearse</LastName><ForeName>Stuart J</ForeName><Initials>SJ</Initials></Author><Author ValidYN="Y"><LastName>Lambers</LastName><ForeName>Hans</ForeName><Initials>H</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>11</Month><Day>26</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D008903">Minerals</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance 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UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">cerrado</Keyword><Keyword MajorTopicYN="N">dauciform roots</Keyword><Keyword 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