Diversispora celata sp. nov: molecular ecology and phylotaxonomy of an inconspicuous arbuscular mycorrhizal fungus.
Identifieur interne : 002A01 ( Main/Corpus ); précédent : 002A00; suivant : 002A02Diversispora celata sp. nov: molecular ecology and phylotaxonomy of an inconspicuous arbuscular mycorrhizal fungus.
Auteurs : Hannes A. Gamper ; Christopher Walker ; Arthur SchüsslerSource :
- The New phytologist [ 1469-8137 ] ; 2009.
English descriptors
- KwdEn :
- Geography (MeSH), Glomeromycota (classification), Glomeromycota (genetics), Glomeromycota (isolation & purification), Mycorrhizae (classification), Mycorrhizae (genetics), Mycorrhizae (isolation & purification), Phylogeny (MeSH), RNA, Ribosomal (MeSH), Sequence Analysis, RNA (MeSH), Spores, Fungal (MeSH), Switzerland (MeSH).
- MESH :
- chemical : RNA, Ribosomal.
- geographic : Switzerland.
- classification : Glomeromycota, Mycorrhizae.
- genetics : Glomeromycota, Mycorrhizae.
- isolation & purification : Glomeromycota, Mycorrhizae.
- Geography, Phylogeny, Sequence Analysis, RNA, Spores, Fungal.
Abstract
The increasing numbers of taxonomically unassigned phylotypes reported in molecular ecological studies contrast with the few formally described arbuscular mycorrhizal fungi (AMF; Glomeromycota). Here, a species new to science with Glomus-like spores is phylogenetically, morphologically and ecologically characterized. From single spore isolates of a previously recognized member of the Diversisporaceae from Swiss agricultural grassland, 17 new nuclear internal transcribed spacer (ITS), large subunit (LSU) and small subunit (SSU) ribosomal RNA (rRNA) gene sequences were determined and compared with 14 newly generated sequences of two close relatives and public database sequences, including environmental sequences, of known geographic origin. SSU ribosomal DNA (rDNA) sequence signatures and phylogenies based on ITS, LSU and SSU rDNA sequences show that the fungus belongs to the genus Diversispora. It is described as Diversispora celata sp. nov. Comparison with environmental sequences in the public domain confirmed its molecular genetic distinctiveness and revealed a cross-continental distribution of close relatives. The value of combining morphology and phylogeny to characterize AMF was reinforced by the morphological similarity to other species and the inconspicuous nature of D. celata spores and mycorrhizas. Inclusion of all three nuclear rDNA regions in species descriptions will facilitate species determination from environmental phylotypes.
DOI: 10.1111/j.1469-8137.2008.02750.x
PubMed: 19338635
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pubmed:19338635Le document en format XML
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Gamper</name><affiliation><nlm:affiliation>Netherlands Institute of Ecology (NIOO-KNAW) - Centre for Terrestrial Ecology, Department of Terrestrial Microbial Ecology, Boterhoeksestraat 48, PO Box 40, 6666 ZG Heteren, The Netherlands. h.gamper@nioo.knaw.nl</nlm:affiliation></affiliation></author><author><name sortKey="Walker, Christopher" sort="Walker, Christopher" uniqKey="Walker C" first="Christopher" last="Walker">Christopher Walker</name></author><author><name sortKey="Schussler, Arthur" sort="Schussler, Arthur" uniqKey="Schussler A" first="Arthur" last="Schüssler">Arthur Schüssler</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Geography (MeSH)</term><term>Glomeromycota (classification)</term><term>Glomeromycota (genetics)</term><term>Glomeromycota (isolation & purification)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (genetics)</term><term>Mycorrhizae (isolation & purification)</term><term>Phylogeny (MeSH)</term><term>RNA, Ribosomal (MeSH)</term><term>Sequence Analysis, RNA (MeSH)</term><term>Spores, Fungal (MeSH)</term><term>Switzerland (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>RNA, Ribosomal</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Switzerland</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Geography</term><term>Phylogeny</term><term>Sequence Analysis, RNA</term><term>Spores, Fungal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The increasing numbers of taxonomically unassigned phylotypes reported in molecular ecological studies contrast with the few formally described arbuscular mycorrhizal fungi (AMF; Glomeromycota). Here, a species new to science with Glomus-like spores is phylogenetically, morphologically and ecologically characterized. From single spore isolates of a previously recognized member of the Diversisporaceae from Swiss agricultural grassland, 17 new nuclear internal transcribed spacer (ITS), large subunit (LSU) and small subunit (SSU) ribosomal RNA (rRNA) gene sequences were determined and compared with 14 newly generated sequences of two close relatives and public database sequences, including environmental sequences, of known geographic origin. SSU ribosomal DNA (rDNA) sequence signatures and phylogenies based on ITS, LSU and SSU rDNA sequences show that the fungus belongs to the genus Diversispora. It is described as Diversispora celata sp. nov. Comparison with environmental sequences in the public domain confirmed its molecular genetic distinctiveness and revealed a cross-continental distribution of close relatives. The value of combining morphology and phylogeny to characterize AMF was reinforced by the morphological similarity to other species and the inconspicuous nature of D. celata spores and mycorrhizas. Inclusion of all three nuclear rDNA regions in species descriptions will facilitate species determination from environmental phylotypes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19338635</PMID><DateCompleted><Year>2009</Year><Month>07</Month><Day>17</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>182</Volume><Issue>2</Issue><PubDate><Year>2009</Year></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Diversispora celata sp. nov: molecular ecology and phylotaxonomy of an inconspicuous arbuscular mycorrhizal fungus.</ArticleTitle><Pagination><MedlinePgn>495-506</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2008.02750.x</ELocationID><Abstract><AbstractText>The increasing numbers of taxonomically unassigned phylotypes reported in molecular ecological studies contrast with the few formally described arbuscular mycorrhizal fungi (AMF; Glomeromycota). Here, a species new to science with Glomus-like spores is phylogenetically, morphologically and ecologically characterized. From single spore isolates of a previously recognized member of the Diversisporaceae from Swiss agricultural grassland, 17 new nuclear internal transcribed spacer (ITS), large subunit (LSU) and small subunit (SSU) ribosomal RNA (rRNA) gene sequences were determined and compared with 14 newly generated sequences of two close relatives and public database sequences, including environmental sequences, of known geographic origin. SSU ribosomal DNA (rDNA) sequence signatures and phylogenies based on ITS, LSU and SSU rDNA sequences show that the fungus belongs to the genus Diversispora. It is described as Diversispora celata sp. nov. Comparison with environmental sequences in the public domain confirmed its molecular genetic distinctiveness and revealed a cross-continental distribution of close relatives. The value of combining morphology and phylogeny to characterize AMF was reinforced by the morphological similarity to other species and the inconspicuous nature of D. celata spores and mycorrhizas. Inclusion of all three nuclear rDNA regions in species descriptions will facilitate species determination from environmental phylotypes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gamper</LastName><ForeName>Hannes A</ForeName><Initials>HA</Initials><AffiliationInfo><Affiliation>Netherlands Institute of Ecology (NIOO-KNAW) - Centre for Terrestrial Ecology, Department of Terrestrial Microbial Ecology, Boterhoeksestraat 48, PO Box 40, 6666 ZG Heteren, The Netherlands. h.gamper@nioo.knaw.nl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Walker</LastName><ForeName>Christopher</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Schüssler</LastName><ForeName>Arthur</ForeName><Initials>A</Initials></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><Agency>Biotechnology and Biological Sciences Research Council</Agency><Country>United Kingdom</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012335">RNA, Ribosomal</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005843" MajorTopicYN="N">Geography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="N">Glomeromycota</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="Y">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012335" MajorTopicYN="N">RNA, Ribosomal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017423" MajorTopicYN="N">Sequence Analysis, RNA</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013557" MajorTopicYN="N" Type="Geographic">Switzerland</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>4</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>4</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>7</Month><Day>18</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19338635</ArticleId><ArticleId IdType="pii">NPH2750</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2008.02750.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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