Differences in the composition of arbuscular mycorrhizal fungal communities promoted by different propagule forms from a Mediterranean shrubland.
Identifieur interne : 001163 ( Main/Corpus ); précédent : 001162; suivant : 001164Differences in the composition of arbuscular mycorrhizal fungal communities promoted by different propagule forms from a Mediterranean shrubland.
Auteurs : Sara Varela-Cervero ; Álvaro L Pez-García ; José Miguel Barea ; Concepci N Azc N-AguilarSource :
- Mycorrhiza [ 1432-1890 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- classification : Mycorrhizae.
- genetics : Mycorrhizae.
- growth & development : Plant Roots, Plant Shoots, Rosmarinus.
- microbiology : Plant Roots, Rosmarinus.
- Mediterranean Region, Soil Microbiology, Spores, Fungal.
Abstract
As it is well known, arbuscular mycorrhizal (AM) colonization can be initiated from the following three types of fungal propagules: spores, extraradical mycelium (ERM), and mycorrhizal root fragments harboring intraradical fungal structures. It has been shown that biomass allocation of AM fungi (AMF) among these three propagule types varies between fungal taxa, as also differs the ability of the different AMF propagule fractions to initiate new colonizations. In this study, the composition of the AMF community in the roots of rosemary (Rosmarinus officinalis L., a characteristic Mediterranean shrub), inoculated with the three different propagule types, was analyzed. Accordingly, cuttings from this species were inoculated with either AMF spores, ERM, or colonized roots extracted from a natural soil. The AMF diversity within the rosemary roots was characterized using terminal restriction fragment length polymorphism (T-RFLP) of the small subunit (SSU) rDNA region. The AMF community established in the rosemary plants was significantly different according to the type of propagule used as inoculum. AMF taxa differed in their ability to initiate new colonizations from each propagule type. Results suggest different colonization strategies for the different AMF families involved, Glomeraceae and Claroideoglomeraceae colonizing mainly from colonized roots whereas Pacisporaceae and Diversisporaceae from spores and ERM. This supports that AMF taxa show contrasting life-history strategies in terms of their ability to initiate new colonizations from the different propagule types. Further research to fully understand the colonization and dispersal abilities of AMF is essential for their rational use in ecosystem restoration programs.
DOI: 10.1007/s00572-016-0687-2
PubMed: 26883142
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pubmed:26883142Le document en format XML
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sortKey="Barea, Jose Miguel" sort="Barea, Jose Miguel" uniqKey="Barea J" first="José Miguel" last="Barea">José Miguel Barea</name><affiliation><nlm:affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="Azc N Aguilar, Concepci N" sort="Azc N Aguilar, Concepci N" uniqKey="Azc N Aguilar C" first="Concepci N" last="Azc N-Aguilar">Concepci N Azc N-Aguilar</name><affiliation><nlm:affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:26883142</idno><idno type="pmid">26883142</idno><idno type="doi">10.1007/s00572-016-0687-2</idno><idno type="wicri:Area/Main/Corpus">001163</idno><idno 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Profesor Albareda 1, 18008, Granada, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="Barea, Jose Miguel" sort="Barea, Jose Miguel" uniqKey="Barea J" first="José Miguel" last="Barea">José Miguel Barea</name><affiliation><nlm:affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="Azc N Aguilar, Concepci N" sort="Azc N Aguilar, Concepci N" uniqKey="Azc N Aguilar C" first="Concepci N" last="Azc N-Aguilar">Concepci N Azc N-Aguilar</name><affiliation><nlm:affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Mediterranean Region (MeSH)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (genetics)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Plant Shoots (growth & development)</term><term>Rosmarinus (growth & development)</term><term>Rosmarinus (microbiology)</term><term>Soil Microbiology (MeSH)</term><term>Spores, Fungal (MeSH)</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Roots</term><term>Plant Shoots</term><term>Rosmarinus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Rosmarinus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Mediterranean Region</term><term>Soil Microbiology</term><term>Spores, Fungal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">As it is well known, arbuscular mycorrhizal (AM) colonization can be initiated from the following three types of fungal propagules: spores, extraradical mycelium (ERM), and mycorrhizal root fragments harboring intraradical fungal structures. It has been shown that biomass allocation of AM fungi (AMF) among these three propagule types varies between fungal taxa, as also differs the ability of the different AMF propagule fractions to initiate new colonizations. In this study, the composition of the AMF community in the roots of rosemary (Rosmarinus officinalis L., a characteristic Mediterranean shrub), inoculated with the three different propagule types, was analyzed. Accordingly, cuttings from this species were inoculated with either AMF spores, ERM, or colonized roots extracted from a natural soil. The AMF diversity within the rosemary roots was characterized using terminal restriction fragment length polymorphism (T-RFLP) of the small subunit (SSU) rDNA region. The AMF community established in the rosemary plants was significantly different according to the type of propagule used as inoculum. AMF taxa differed in their ability to initiate new colonizations from each propagule type. Results suggest different colonization strategies for the different AMF families involved, Glomeraceae and Claroideoglomeraceae colonizing mainly from colonized roots whereas Pacisporaceae and Diversisporaceae from spores and ERM. This supports that AMF taxa show contrasting life-history strategies in terms of their ability to initiate new colonizations from the different propagule types. Further research to fully understand the colonization and dispersal abilities of AMF is essential for their rational use in ecosystem restoration programs. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26883142</PMID><DateCompleted><Year>2017</Year><Month>02</Month><Day>21</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>26</Volume><Issue>5</Issue><PubDate><Year>2016</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Differences in the composition of arbuscular mycorrhizal fungal communities promoted by different propagule forms from a Mediterranean shrubland.</ArticleTitle><Pagination><MedlinePgn>489-96</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-016-0687-2</ELocationID><Abstract><AbstractText>As it is well known, arbuscular mycorrhizal (AM) colonization can be initiated from the following three types of fungal propagules: spores, extraradical mycelium (ERM), and mycorrhizal root fragments harboring intraradical fungal structures. It has been shown that biomass allocation of AM fungi (AMF) among these three propagule types varies between fungal taxa, as also differs the ability of the different AMF propagule fractions to initiate new colonizations. In this study, the composition of the AMF community in the roots of rosemary (Rosmarinus officinalis L., a characteristic Mediterranean shrub), inoculated with the three different propagule types, was analyzed. Accordingly, cuttings from this species were inoculated with either AMF spores, ERM, or colonized roots extracted from a natural soil. The AMF diversity within the rosemary roots was characterized using terminal restriction fragment length polymorphism (T-RFLP) of the small subunit (SSU) rDNA region. The AMF community established in the rosemary plants was significantly different according to the type of propagule used as inoculum. AMF taxa differed in their ability to initiate new colonizations from each propagule type. Results suggest different colonization strategies for the different AMF families involved, Glomeraceae and Claroideoglomeraceae colonizing mainly from colonized roots whereas Pacisporaceae and Diversisporaceae from spores and ERM. This supports that AMF taxa show contrasting life-history strategies in terms of their ability to initiate new colonizations from the different propagule types. Further research to fully understand the colonization and dispersal abilities of AMF is essential for their rational use in ecosystem restoration programs. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Varela-Cervero</LastName><ForeName>Sara</ForeName><Initials>S</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-9513-0224</Identifier><AffiliationInfo><Affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain. sara.varela@eez.csic.es.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>López-García</LastName><ForeName>Álvaro</ForeName><Initials>Á</Initials><AffiliationInfo><Affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barea</LastName><ForeName>José Miguel</ForeName><Initials>JM</Initials><AffiliationInfo><Affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Azcón-Aguilar</LastName><ForeName>Concepción</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Soil Microbiology and Symbiotic Systems Department, Estación Experimental del Zaidín, CSIC, Profesor Albareda 1, 18008, Granada, Spain.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>02</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D019083" MajorTopicYN="N">Mediterranean Region</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D027542" MajorTopicYN="N">Rosmarinus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Arbuscular mycorrhizal fungi</Keyword><Keyword MajorTopicYN="N">Colonization strategies</Keyword><Keyword MajorTopicYN="N">Life-history traits</Keyword><Keyword MajorTopicYN="N">Mediterranean environments</Keyword><Keyword MajorTopicYN="N">Propagule types</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate 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