Studies on the root associations of the truffle Terfezia terfezioides.
Identifieur interne : 003A39 ( Main/Corpus ); précédent : 003A38; suivant : 003A40Studies on the root associations of the truffle Terfezia terfezioides.
Auteurs : G M Kovács ; I. Bagi ; Cs Vágvölgyi ; Ingrid Kottke ; F. OberwinklerSource :
- Acta microbiologica et immunologica Hungarica [ 1217-8950 ] ; 2002.
English descriptors
- KwdEn :
- Ascomycota (classification), Ascomycota (genetics), Ascomycota (growth & development), Cistaceae (microbiology), DNA, Fungal (analysis), DNA, Ribosomal Spacer (analysis), Ecosystem (MeSH), Molecular Sequence Data (MeSH), Plant Roots (microbiology), Polymorphism, Restriction Fragment Length (MeSH), Robinia (microbiology), Sequence Analysis, DNA (MeSH), Species Specificity (MeSH).
- MESH :
- chemical , analysis : DNA, Fungal, DNA, Ribosomal Spacer.
- classification : Ascomycota.
- genetics : Ascomycota.
- growth & development : Ascomycota.
- microbiology : Cistaceae, Plant Roots, Robinia.
- Ecosystem, Molecular Sequence Data, Polymorphism, Restriction Fragment Length, Sequence Analysis, DNA, Species Specificity.
Abstract
The paper contains an overview of the results of the studies made on the truffle Terfezia terfezioides, particularly the investigations related to the associations of this fungus with plants. Twelve plant species originated from a natural habitat of the fungus were supposed to be connected with T. terfezioides based on the anatomy of the endogenous fungal structures in their roots. Aseptic experiments were carried out on modified MMN substrates with different phosphate concentrations to study the interaction of T. terfezioides with Robinia pseudoacacia and Helianthemum ovatum. The colonization of the roots of black locust was always weaker than that of Helianthemum. The main characteristics were the intracellular coiled, branched, frequently septated hyphae in dead root cells. The intercellular hyphae formed Hartig-net with finger like structures only in Helianthemum, the interactions could not be considered unambiguously as mycorrhizae. There was no difference between the RFLP profiles of the nr DNA ITS of nineteen fruit bodies collected at the same time from the habitat and the ITS of three randomly chosen specimens were identical on sequence level, too. These invariability makes to design species specific PCR primers possible to check unambiguously the host plants.
DOI: 10.1556/AMicr.49.2002.2-3.6
PubMed: 12109150
Links to Exploration step
pubmed:12109150Le document en format XML
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Twelve plant species originated from a natural habitat of the fungus were supposed to be connected with T. terfezioides based on the anatomy of the endogenous fungal structures in their roots. Aseptic experiments were carried out on modified MMN substrates with different phosphate concentrations to study the interaction of T. terfezioides with Robinia pseudoacacia and Helianthemum ovatum. The colonization of the roots of black locust was always weaker than that of Helianthemum. The main characteristics were the intracellular coiled, branched, frequently septated hyphae in dead root cells. The intercellular hyphae formed Hartig-net with finger like structures only in Helianthemum, the interactions could not be considered unambiguously as mycorrhizae. There was no difference between the RFLP profiles of the nr DNA ITS of nineteen fruit bodies collected at the same time from the habitat and the ITS of three randomly chosen specimens were identical on sequence level, too. These invariability makes to design species specific PCR primers possible to check unambiguously the host plants.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12109150</PMID><DateCompleted><Year>2003</Year><Month>01</Month><Day>16</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1217-8950</ISSN><JournalIssue CitedMedium="Print"><Volume>49</Volume><Issue>2-3</Issue><PubDate><Year>2002</Year></PubDate></JournalIssue><Title>Acta microbiologica et immunologica Hungarica</Title><ISOAbbreviation>Acta Microbiol Immunol Hung</ISOAbbreviation></Journal><ArticleTitle>Studies on the root associations of the truffle Terfezia terfezioides.</ArticleTitle><Pagination><MedlinePgn>207-13</MedlinePgn></Pagination><Abstract><AbstractText>The paper contains an overview of the results of the studies made on the truffle Terfezia terfezioides, particularly the investigations related to the associations of this fungus with plants. Twelve plant species originated from a natural habitat of the fungus were supposed to be connected with T. terfezioides based on the anatomy of the endogenous fungal structures in their roots. Aseptic experiments were carried out on modified MMN substrates with different phosphate concentrations to study the interaction of T. terfezioides with Robinia pseudoacacia and Helianthemum ovatum. The colonization of the roots of black locust was always weaker than that of Helianthemum. The main characteristics were the intracellular coiled, branched, frequently septated hyphae in dead root cells. The intercellular hyphae formed Hartig-net with finger like structures only in Helianthemum, the interactions could not be considered unambiguously as mycorrhizae. There was no difference between the RFLP profiles of the nr DNA ITS of nineteen fruit bodies collected at the same time from the habitat and the ITS of three randomly chosen specimens were identical on sequence level, too. These invariability makes to design species specific PCR primers possible to check unambiguously the host plants.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kovács</LastName><ForeName>G M</ForeName><Initials>GM</Initials><AffiliationInfo><Affiliation>Department of Botany, University of Szeged, P.O. 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