The diversity of Terfezia desert truffles: new species and a highly variable species complex with intrasporocarpic nrDNA ITS heterogeneity.
Identifieur interne : 002417 ( Main/Corpus ); précédent : 002416; suivant : 002418The diversity of Terfezia desert truffles: new species and a highly variable species complex with intrasporocarpic nrDNA ITS heterogeneity.
Auteurs : Gábor M. Kovács ; Tímea K. Balázs ; Francisco D. Calonge ; María P. MartínSource :
- Mycologia [ 0027-5514 ]
English descriptors
- KwdEn :
- Biodiversity (MeSH), DNA, Fungal (analysis), DNA, Ribosomal Spacer (analysis), Desert Climate (MeSH), Fruiting Bodies, Fungal (ultrastructure), Genetic Variation (MeSH), Host Specificity (MeSH), Mycorrhizae (cytology), Phylogeny (MeSH), Phylogeography (MeSH), Saccharomycetales (classification), Saccharomycetales (genetics), Saccharomycetales (ultrastructure), Sequence Analysis, DNA (MeSH), Species Specificity (MeSH), Spores, Fungal (ultrastructure).
- MESH :
- chemical , analysis : DNA, Fungal, DNA, Ribosomal Spacer.
- classification : Saccharomycetales.
- cytology : Mycorrhizae.
- genetics : Saccharomycetales.
- ultrastructure : Fruiting Bodies, Fungal, Saccharomycetales, Spores, Fungal.
- Biodiversity, Desert Climate, Genetic Variation, Host Specificity, Phylogeny, Phylogeography, Sequence Analysis, DNA, Species Specificity.
Abstract
Desert truffles belonging to Terfezia are well known mycorrhizal members of the mycota of the Mediterranean region and the Middle East. We aimed to test (i) whether the morphological criteria of Terfezia species regularly collected in Spain enable their separation and (ii) whether the previously hypothesized edaphic/biotic specificity of one group could be confirmed by study of a larger number of specimens. The species T. arenaria and T. claveryi can be identified unambiguously by morphological characters. We consider T. leptoderma as a distinct species while several lineages of similar spiny spored Terfezia truffles with cellular peridium were detected that have no obvious anatomical differences. Several species treated generally as synonyms of T. olbiensis have been described in this group, and because they cannot be unambiguously assigned to separate lineages we propose to consider the group as the T. olbiensis species complex. A high level of intrasporocarpic variation of the nrDNA ITS was detected in the T. olbiensis species complex, especially in one of its lineages. We detected no exclusive specificity to either plant associates or soil, except in T. leptoderma, which was associated with Quercus spp. and cistaceous plants on acidic soils. Nevertheless the clades showed a tendency either to associate with Quercus/Helianthemum/Cistus or Pinus hosts. Specimens having distinct anatomical features, reticulate spores and cellular peridium formed a separate group in the molecular phylogenetic analyses of nrDNA ITS and LSU regions; for these specimens we propose a new species, Terfezia alsheikhii sp. nov.
DOI: 10.3852/10-312
PubMed: 21289106
Links to Exploration step
pubmed:21289106Le document en format XML
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Martín</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011 Jul-Aug</date><idno type="RBID">pubmed:21289106</idno><idno type="pmid">21289106</idno><idno type="doi">10.3852/10-312</idno><idno type="wicri:Area/Main/Corpus">002417</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002417</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The diversity of Terfezia desert truffles: new species and a highly variable species complex with intrasporocarpic nrDNA ITS heterogeneity.</title><author><name sortKey="Kovacs, Gabor M" sort="Kovacs, Gabor M" uniqKey="Kovacs G" first="Gábor M" last="Kovács">Gábor M. Kovács</name><affiliation><nlm:affiliation>Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/C, H-1117 Budapest, Hungary. gmkovacs@caesar.elte.hu</nlm:affiliation></affiliation></author><author><name sortKey="Balazs, Timea K" sort="Balazs, Timea K" uniqKey="Balazs T" first="Tímea K" last="Balázs">Tímea K. Balázs</name></author><author><name sortKey="Calonge, Francisco D" sort="Calonge, Francisco D" uniqKey="Calonge F" first="Francisco D" last="Calonge">Francisco D. Calonge</name></author><author><name sortKey="Martin, Maria P" sort="Martin, Maria P" uniqKey="Martin M" first="María P" last="Martín">María P. 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We aimed to test (i) whether the morphological criteria of Terfezia species regularly collected in Spain enable their separation and (ii) whether the previously hypothesized edaphic/biotic specificity of one group could be confirmed by study of a larger number of specimens. The species T. arenaria and T. claveryi can be identified unambiguously by morphological characters. We consider T. leptoderma as a distinct species while several lineages of similar spiny spored Terfezia truffles with cellular peridium were detected that have no obvious anatomical differences. Several species treated generally as synonyms of T. olbiensis have been described in this group, and because they cannot be unambiguously assigned to separate lineages we propose to consider the group as the T. olbiensis species complex. A high level of intrasporocarpic variation of the nrDNA ITS was detected in the T. olbiensis species complex, especially in one of its lineages. We detected no exclusive specificity to either plant associates or soil, except in T. leptoderma, which was associated with Quercus spp. and cistaceous plants on acidic soils. Nevertheless the clades showed a tendency either to associate with Quercus/Helianthemum/Cistus or Pinus hosts. Specimens having distinct anatomical features, reticulate spores and cellular peridium formed a separate group in the molecular phylogenetic analyses of nrDNA ITS and LSU regions; for these specimens we propose a new species, Terfezia alsheikhii sp. nov.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21289106</PMID><DateCompleted><Year>2011</Year><Month>09</Month><Day>08</Day></DateCompleted><DateRevised><Year>2011</Year><Month>06</Month><Day>22</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0027-5514</ISSN><JournalIssue CitedMedium="Print"><Volume>103</Volume><Issue>4</Issue><PubDate><MedlineDate>2011 Jul-Aug</MedlineDate></PubDate></JournalIssue><Title>Mycologia</Title><ISOAbbreviation>Mycologia</ISOAbbreviation></Journal><ArticleTitle>The diversity of Terfezia desert truffles: new species and a highly variable species complex with intrasporocarpic nrDNA ITS heterogeneity.</ArticleTitle><Pagination><MedlinePgn>841-53</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3852/10-312</ELocationID><Abstract><AbstractText>Desert truffles belonging to Terfezia are well known mycorrhizal members of the mycota of the Mediterranean region and the Middle East. We aimed to test (i) whether the morphological criteria of Terfezia species regularly collected in Spain enable their separation and (ii) whether the previously hypothesized edaphic/biotic specificity of one group could be confirmed by study of a larger number of specimens. The species T. arenaria and T. claveryi can be identified unambiguously by morphological characters. We consider T. leptoderma as a distinct species while several lineages of similar spiny spored Terfezia truffles with cellular peridium were detected that have no obvious anatomical differences. Several species treated generally as synonyms of T. olbiensis have been described in this group, and because they cannot be unambiguously assigned to separate lineages we propose to consider the group as the T. olbiensis species complex. A high level of intrasporocarpic variation of the nrDNA ITS was detected in the T. olbiensis species complex, especially in one of its lineages. We detected no exclusive specificity to either plant associates or soil, except in T. leptoderma, which was associated with Quercus spp. and cistaceous plants on acidic soils. Nevertheless the clades showed a tendency either to associate with Quercus/Helianthemum/Cistus or Pinus hosts. Specimens having distinct anatomical features, reticulate spores and cellular peridium formed a separate group in the molecular phylogenetic analyses of nrDNA ITS and LSU regions; for these specimens we propose a new species, Terfezia alsheikhii sp. nov.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kovács</LastName><ForeName>Gábor M</ForeName><Initials>GM</Initials><AffiliationInfo><Affiliation>Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/C, H-1117 Budapest, Hungary. gmkovacs@caesar.elte.hu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Balázs</LastName><ForeName>Tímea K</ForeName><Initials>TK</Initials></Author><Author ValidYN="Y"><LastName>Calonge</LastName><ForeName>Francisco D</ForeName><Initials>FD</Initials></Author><Author ValidYN="Y"><LastName>Martín</LastName><ForeName>María P</ForeName><Initials>MP</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>2011</Year><Month>02</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mycologia</MedlineTA><NlmUniqueID>0400764</NlmUniqueID><ISSNLinking>0027-5514</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004271">DNA, Fungal</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D021903">DNA, Ribosomal Spacer</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D044822" MajorTopicYN="N">Biodiversity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004271" MajorTopicYN="N">DNA, Fungal</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D021903" MajorTopicYN="N">DNA, Ribosomal Spacer</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003889" MajorTopicYN="N">Desert Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D048690" MajorTopicYN="N">Fruiting Bodies, Fungal</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="N">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058507" MajorTopicYN="N">Host Specificity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058974" MajorTopicYN="N">Phylogeography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004718" MajorTopicYN="N">Saccharomycetales</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017422" MajorTopicYN="N">Sequence Analysis, DNA</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>2</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>2</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>9</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21289106</ArticleId><ArticleId IdType="pii">10-312</ArticleId><ArticleId IdType="doi">10.3852/10-312</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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