Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species.
Identifieur interne : 002C27 ( Main/Corpus ); précédent : 002C26; suivant : 002C28Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species.
Auteurs : Dali Guo ; Mengxue Xia ; Xing Wei ; Wenjing Chang ; Ying Liu ; Zhengquan WangSource :
- The New phytologist [ 1469-8137 ] ; 2008.
English descriptors
- KwdEn :
- Absorption (physiology), China (MeSH), Cycadopsida (anatomy & histology), Cycadopsida (metabolism), Cycadopsida (microbiology), Ecosystem (MeSH), Food (MeSH), Magnoliopsida (anatomy & histology), Magnoliopsida (metabolism), Magnoliopsida (microbiology), Mycorrhizae (growth & development), Mycorrhizae (physiology), Plant Roots (anatomy & histology), Plant Roots (growth & development), Plant Roots (metabolism), Trees (anatomy & histology), Trees (metabolism), Trees (microbiology).
- MESH :
- anatomy & histology : Cycadopsida, Magnoliopsida, Plant Roots, Trees.
- growth & development : Mycorrhizae, Plant Roots.
- metabolism : Cycadopsida, Magnoliopsida, Plant Roots, Trees.
- microbiology : Cycadopsida, Magnoliopsida, Trees.
- physiology : Absorption, Mycorrhizae.
- China, Ecosystem, Food.
Abstract
* Different portions of tree root systems play distinct functional roles, yet precisely how to distinguish roots of different functions within the branching fine-root system is unclear. * Here, anatomy and mycorrhizal colonization was examined by branch order in 23 Chinese temperate tree species of both angiosperms and gymnosperms forming ectomycorrhizal and arbuscular-mycorrhizal associations. * Different branch orders showed marked differences in anatomy. First-order roots exhibited primary development with an intact cortex, a high mycorrhizal colonization rate and a low stele proportion, thus serving absorptive functions. Second and third orders had both primary and secondary development. Fourth and higher orders showed mostly secondary development with no cortex or mycorrhizal colonization, and thus have limited role in absorption. Based on anatomical traits, it was estimated that c. 75% of the fine-root length was absorptive, and 68% was mycorrhizal, averaged across species. * These results showed that: order predicted differences in root anatomy in a relatively consistent manner across species; anatomical traits associated with absorption and mycorrhizal colonization occurred mainly in the first three orders; the single diameter class approach may have overestimated absorptive root length by 25% in temperate forests.
DOI: 10.1111/j.1469-8137.2008.02573.x
PubMed: 18657210
Links to Exploration step
pubmed:18657210Le document en format XML
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last="Liu">Ying Liu</name></author><author><name sortKey="Wang, Zhengquan" sort="Wang, Zhengquan" uniqKey="Wang Z" first="Zhengquan" last="Wang">Zhengquan Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:18657210</idno><idno type="pmid">18657210</idno><idno type="doi">10.1111/j.1469-8137.2008.02573.x</idno><idno type="wicri:Area/Main/Corpus">002C27</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002C27</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species.</title><author><name sortKey="Guo, Dali" sort="Guo, Dali" uniqKey="Guo D" first="Dali" last="Guo">Dali Guo</name><affiliation><nlm:affiliation>Department of Ecology, College of Urban and Environmental Sciences, Peking 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xml:lang="en"><term>Absorption (physiology)</term><term>China (MeSH)</term><term>Cycadopsida (anatomy & histology)</term><term>Cycadopsida (metabolism)</term><term>Cycadopsida (microbiology)</term><term>Ecosystem (MeSH)</term><term>Food (MeSH)</term><term>Magnoliopsida (anatomy & histology)</term><term>Magnoliopsida (metabolism)</term><term>Magnoliopsida (microbiology)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (physiology)</term><term>Plant Roots (anatomy & histology)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (metabolism)</term><term>Trees (anatomy & histology)</term><term>Trees (metabolism)</term><term>Trees (microbiology)</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Cycadopsida</term><term>Magnoliopsida</term><term>Plant Roots</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cycadopsida</term><term>Magnoliopsida</term><term>Plant Roots</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Cycadopsida</term><term>Magnoliopsida</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Absorption</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>China</term><term>Ecosystem</term><term>Food</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">* Different portions of tree root systems play distinct functional roles, yet precisely how to distinguish roots of different functions within the branching fine-root system is unclear. * Here, anatomy and mycorrhizal colonization was examined by branch order in 23 Chinese temperate tree species of both angiosperms and gymnosperms forming ectomycorrhizal and arbuscular-mycorrhizal associations. * Different branch orders showed marked differences in anatomy. First-order roots exhibited primary development with an intact cortex, a high mycorrhizal colonization rate and a low stele proportion, thus serving absorptive functions. Second and third orders had both primary and secondary development. Fourth and higher orders showed mostly secondary development with no cortex or mycorrhizal colonization, and thus have limited role in absorption. Based on anatomical traits, it was estimated that c. 75% of the fine-root length was absorptive, and 68% was mycorrhizal, averaged across species. * These results showed that: order predicted differences in root anatomy in a relatively consistent manner across species; anatomical traits associated with absorption and mycorrhizal colonization occurred mainly in the first three orders; the single diameter class approach may have overestimated absorptive root length by 25% in temperate forests.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18657210</PMID><DateCompleted><Year>2009</Year><Month>03</Month><Day>03</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>180</Volume><Issue>3</Issue><PubDate><Year>2008</Year></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species.</ArticleTitle><Pagination><MedlinePgn>673-83</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2008.02573.x</ELocationID><Abstract><AbstractText>* Different portions of tree root systems play distinct functional roles, yet precisely how to distinguish roots of different functions within the branching fine-root system is unclear. * Here, anatomy and mycorrhizal colonization was examined by branch order in 23 Chinese temperate tree species of both angiosperms and gymnosperms forming ectomycorrhizal and arbuscular-mycorrhizal associations. * Different branch orders showed marked differences in anatomy. First-order roots exhibited primary development with an intact cortex, a high mycorrhizal colonization rate and a low stele proportion, thus serving absorptive functions. Second and third orders had both primary and secondary development. Fourth and higher orders showed mostly secondary development with no cortex or mycorrhizal colonization, and thus have limited role in absorption. Based on anatomical traits, it was estimated that c. 75% of the fine-root length was absorptive, and 68% was mycorrhizal, averaged across species. * These results showed that: order predicted differences in root anatomy in a relatively consistent manner across species; anatomical traits associated with absorption and mycorrhizal colonization occurred mainly in the first three orders; the single diameter class approach may have overestimated absorptive root length by 25% in temperate forests.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Dali</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Ecology, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China. dlguo@urban.pku.edu.cn</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xia</LastName><ForeName>Mengxue</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Wei</LastName><ForeName>Xing</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Chang</LastName><ForeName>Wenjing</ForeName><Initials>W</Initials></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Ying</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Zhengquan</ForeName><Initials>Z</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>2008</Year><Month>07</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="CommentIn"><RefSource>New Phytol. 2008;180(3):562-4</RefSource><PMID Version="1">19138226</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName UI="D000042" MajorTopicYN="N">Absorption</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032462" MajorTopicYN="N">Cycadopsida</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005502" MajorTopicYN="N">Food</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019684" MajorTopicYN="N">Magnoliopsida</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="Y">anatomy & histology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="Y">anatomy & histology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>7</Month><Day>29</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>3</Month><Day>4</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>7</Month><Day>29</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18657210</ArticleId><ArticleId IdType="pii">NPH2573</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2008.02573.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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