Roles of arbuscular mycorrhizas in plant nutrition and growth: new paradigms from cellular to ecosystem scales.
Identifieur interne : 002384 ( Main/Corpus ); précédent : 002383; suivant : 002385Roles of arbuscular mycorrhizas in plant nutrition and growth: new paradigms from cellular to ecosystem scales.
Auteurs : Sally E. Smith ; F Andrew SmithSource :
- Annual review of plant biology [ 1545-2123 ] ; 2011.
English descriptors
- KwdEn :
- Ecosystem (MeSH), Hyphae (metabolism), Models, Biological (MeSH), Mycorrhizae (metabolism), Mycorrhizae (physiology), Nitrogen (metabolism), Phosphorus (metabolism), Plant Development (MeSH), Plant Roots (growth & development), Plant Roots (metabolism), Plant Roots (microbiology), Plants (metabolism), Plants (microbiology), Signal Transduction (MeSH), Symbiosis (MeSH).
- MESH :
- chemical , metabolism : Nitrogen, Phosphorus.
- growth & development : Plant Roots.
- metabolism : Hyphae, Mycorrhizae, Plant Roots, Plants.
- microbiology : Plant Roots, Plants.
- physiology : Mycorrhizae.
- Ecosystem, Models, Biological, Plant Development, Signal Transduction, Symbiosis.
Abstract
Root systems of most land plants form arbuscular mycorrhizal (AM) symbioses in the field, and these contribute to nutrient uptake. AM roots have two pathways for nutrient absorption, directly through the root epidermis and root hairs and via AM fungal hyphae into root cortical cells, where arbuscules or hyphal coils provide symbiotic interfaces. New physiological and molecular evidence shows that for phosphorus the mycorrhizal pathway (MP) is operational regardless of plant growth responses (positive or negative). Amounts delivered cannot be determined from plant nutrient contents because when responses are negative the contribution of the direct pathway (DP) is reduced. Nitrogen (N) is also delivered to roots via an MP, but the contribution to total N requirement and the costs to the plant are not clear. The functional interplay between activities of the DP and MP has important implications for consideration of AM symbioses in ecological, agronomic, and evolutionary contexts.
DOI: 10.1146/annurev-arplant-042110-103846
PubMed: 21391813
Links to Exploration step
pubmed:21391813Le document en format XML
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Smith</name><affiliation><nlm:affiliation>Soils Group, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Adelaide, South Australia 5005, Australia. sally.smith@adelaide.edu.au</nlm:affiliation></affiliation></author><author><name sortKey="Smith, F Andrew" sort="Smith, F Andrew" uniqKey="Smith F" first="F Andrew" last="Smith">F Andrew Smith</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21391813</idno><idno type="pmid">21391813</idno><idno type="doi">10.1146/annurev-arplant-042110-103846</idno><idno type="wicri:Area/Main/Corpus">002384</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002384</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Roles of arbuscular mycorrhizas in plant nutrition and growth: new paradigms from cellular to ecosystem scales.</title><author><name sortKey="Smith, Sally E" sort="Smith, Sally E" uniqKey="Smith S" first="Sally E" last="Smith">Sally E. Smith</name><affiliation><nlm:affiliation>Soils Group, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Adelaide, South Australia 5005, Australia. sally.smith@adelaide.edu.au</nlm:affiliation></affiliation></author><author><name sortKey="Smith, F Andrew" sort="Smith, F Andrew" uniqKey="Smith F" first="F Andrew" last="Smith">F Andrew Smith</name></author></analytic><series><title level="j">Annual review of plant biology</title><idno type="eISSN">1545-2123</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ecosystem (MeSH)</term><term>Hyphae (metabolism)</term><term>Models, Biological (MeSH)</term><term>Mycorrhizae (metabolism)</term><term>Mycorrhizae (physiology)</term><term>Nitrogen (metabolism)</term><term>Phosphorus (metabolism)</term><term>Plant Development (MeSH)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Plants (metabolism)</term><term>Plants (microbiology)</term><term>Signal Transduction (MeSH)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term><term>Phosphorus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Hyphae</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Plants</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Plants</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ecosystem</term><term>Models, Biological</term><term>Plant Development</term><term>Signal Transduction</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Root systems of most land plants form arbuscular mycorrhizal (AM) symbioses in the field, and these contribute to nutrient uptake. AM roots have two pathways for nutrient absorption, directly through the root epidermis and root hairs and via AM fungal hyphae into root cortical cells, where arbuscules or hyphal coils provide symbiotic interfaces. New physiological and molecular evidence shows that for phosphorus the mycorrhizal pathway (MP) is operational regardless of plant growth responses (positive or negative). Amounts delivered cannot be determined from plant nutrient contents because when responses are negative the contribution of the direct pathway (DP) is reduced. Nitrogen (N) is also delivered to roots via an MP, but the contribution to total N requirement and the costs to the plant are not clear. The functional interplay between activities of the DP and MP has important implications for consideration of AM symbioses in ecological, agronomic, and evolutionary contexts.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21391813</PMID><DateCompleted><Year>2011</Year><Month>08</Month><Day>19</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1545-2123</ISSN><JournalIssue CitedMedium="Internet"><Volume>62</Volume><PubDate><Year>2011</Year></PubDate></JournalIssue><Title>Annual review of plant biology</Title><ISOAbbreviation>Annu Rev Plant Biol</ISOAbbreviation></Journal><ArticleTitle>Roles of arbuscular mycorrhizas in plant nutrition and growth: new paradigms from cellular to ecosystem scales.</ArticleTitle><Pagination><MedlinePgn>227-50</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1146/annurev-arplant-042110-103846</ELocationID><Abstract><AbstractText>Root systems of most land plants form arbuscular mycorrhizal (AM) symbioses in the field, and these contribute to nutrient uptake. AM roots have two pathways for nutrient absorption, directly through the root epidermis and root hairs and via AM fungal hyphae into root cortical cells, where arbuscules or hyphal coils provide symbiotic interfaces. New physiological and molecular evidence shows that for phosphorus the mycorrhizal pathway (MP) is operational regardless of plant growth responses (positive or negative). Amounts delivered cannot be determined from plant nutrient contents because when responses are negative the contribution of the direct pathway (DP) is reduced. Nitrogen (N) is also delivered to roots via an MP, but the contribution to total N requirement and the costs to the plant are not clear. The functional interplay between activities of the DP and MP has important implications for consideration of AM symbioses in ecological, agronomic, and evolutionary contexts.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Smith</LastName><ForeName>Sally E</ForeName><Initials>SE</Initials><AffiliationInfo><Affiliation>Soils Group, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Adelaide, South Australia 5005, Australia. sally.smith@adelaide.edu.au</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Smith</LastName><ForeName>F Andrew</ForeName><Initials>FA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D016454">Review</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Annu Rev Plant Biol</MedlineTA><NlmUniqueID>101140127</NlmUniqueID><ISSNLinking>1543-5008</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D025301" MajorTopicYN="N">Hyphae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D063245" MajorTopicYN="N">Plant Development</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015398" MajorTopicYN="N">Signal Transduction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>3</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>3</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>8</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21391813</ArticleId><ArticleId IdType="doi">10.1146/annurev-arplant-042110-103846</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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