SanteChoraleV4, Main, Exploration, bibRecord, 000225

Truffle trouble: what happened to the Tuberales?

Identifieur interne : 000225 ( Main/Exploration ); précédent : 000224; suivant : 000226

Truffle trouble: what happened to the Tuberales?

Auteurs : Thomas Laess E [Danemark] ; Karen Hansen

Source :

Mycological research [ 0953-7562 ] ; 2007.

RBID : pubmed:18022534

Descripteurs français

KwdFr :
- ADN fongique (analyse), ADN fongique (génétique), ADN ribosomique (analyse), ADN ribosomique (génétique), Analyse de séquence d'ADN (MeSH), Ascomycota (classification), Ascomycota (cytologie), Ascomycota (génétique), Bases de données d'acides nucléiques (MeSH), Corps fructifères de champignon (classification), Corps fructifères de champignon (cytologie), Grande sous-unité du ribosome des eucaryotes (génétique), Phylogenèse (MeSH), Spécificité d'espèce (MeSH), Évolution moléculaire (MeSH).
MESH :
- analyse : ADN fongique, ADN ribosomique.
- cytologie : Ascomycota, Corps fructifères de champignon.
- génétique : ADN fongique, ADN ribosomique, Ascomycota, Grande sous-unité du ribosome des eucaryotes.
- classification : Analyse de séquence d'ADN, Ascomycota, Bases de données d'acides nucléiques, Corps fructifères de champignon, Phylogenèse, Spécificité d'espèce, Évolution moléculaire.

English descriptors

KwdEn :
- Ascomycota (classification), Ascomycota (cytology), Ascomycota (genetics), DNA, Fungal (analysis), DNA, Fungal (genetics), DNA, Ribosomal (analysis), DNA, Ribosomal (genetics), Databases, Nucleic Acid (MeSH), Evolution, Molecular (MeSH), Fruiting Bodies, Fungal (classification), Fruiting Bodies, Fungal (cytology), Phylogeny (MeSH), Ribosome Subunits, Large, Eukaryotic (genetics), Sequence Analysis, DNA (MeSH), Species Specificity (MeSH).
MESH :
- chemical , analysis : DNA, Fungal, DNA, Ribosomal.
- classification : Ascomycota, Fruiting Bodies, Fungal.
- cytology : Ascomycota, Fruiting Bodies, Fungal.
- genetics : Ascomycota, DNA, Fungal, DNA, Ribosomal, Ribosome Subunits, Large, Eukaryotic.
- Databases, Nucleic Acid, Evolution, Molecular, Phylogeny, Sequence Analysis, DNA, Species Specificity.

Abstract

An overview of truffles (now considered to belong in the Pezizales, but formerly treated in the Tuberales) is presented, including a discussion on morphological and biological traits characterizing this form group. Accepted genera are listed and discussed according to a system based on molecular results combined with morphological characters. Phylogenetic analyses of LSU rDNA sequences from 55 hypogeous and 139 epigeous taxa of Pezizales were performed to examine their relationships. Parsimony, ML, and Bayesian analyses of these sequences indicate that the truffles studied represent at least 15 independent lineages within the Pezizales. Sequences from hypogeous representatives referred to the following families and genera were analysed: Discinaceae-Morchellaceae (Fischerula, Hydnotrya, Leucangium), Helvellaceae (Balsamia and Barssia), Pezizaceae (Amylascus, Cazia, Eremiomyces, Hydnotryopsis, Kaliharituber, Mattirolomyces, Pachyphloeus, Peziza, Ruhlandiella, Stephensia, Terfezia, and Tirmania), Pyronemataceae (Genea, Geopora, Paurocotylis, and Stephensia) and Tuberaceae (Choiromyces, Dingleya, Labyrinthomyces, Reddellomyces, and Tuber). The different types of hypogeous ascomata were found within most major evolutionary lines often nesting close to apothecial species. Although the Pezizaceae traditionally have been defined mainly on the presence of amyloid reactions of the ascus wall several truffles appear to have lost this character. The value of the number of nuclei in mature ascospores as a delimiting family character is evaluated and found to be more variable than generally assumed.

DOI: 10.1016/j.mycres.2007.08.004
PubMed: 18022534

Affiliations:

Danemark

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Le document en format XML

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<term>Fruiting Bodies, Fungal</term>
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<term>Corps fructifères de champignon</term>
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<front><div type="abstract" xml:lang="en">An overview of truffles (now considered to belong in the Pezizales, but formerly treated in the Tuberales) is presented, including a discussion on morphological and biological traits characterizing this form group. Accepted genera are listed and discussed according to a system based on molecular results combined with morphological characters. Phylogenetic analyses of LSU rDNA sequences from 55 hypogeous and 139 epigeous taxa of Pezizales were performed to examine their relationships. Parsimony, ML, and Bayesian analyses of these sequences indicate that the truffles studied represent at least 15 independent lineages within the Pezizales. Sequences from hypogeous representatives referred to the following families and genera were analysed: Discinaceae-Morchellaceae (Fischerula, Hydnotrya, Leucangium), Helvellaceae (Balsamia and Barssia), Pezizaceae (Amylascus, Cazia, Eremiomyces, Hydnotryopsis, Kaliharituber, Mattirolomyces, Pachyphloeus, Peziza, Ruhlandiella, Stephensia, Terfezia, and Tirmania), Pyronemataceae (Genea, Geopora, Paurocotylis, and Stephensia) and Tuberaceae (Choiromyces, Dingleya, Labyrinthomyces, Reddellomyces, and Tuber). The different types of hypogeous ascomata were found within most major evolutionary lines often nesting close to apothecial species. Although the Pezizaceae traditionally have been defined mainly on the presence of amyloid reactions of the ascus wall several truffles appear to have lost this character. The value of the number of nuclei in mature ascospores as a delimiting family character is evaluated and found to be more variable than generally assumed.</div>
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<Abstract><AbstractText>An overview of truffles (now considered to belong in the Pezizales, but formerly treated in the Tuberales) is presented, including a discussion on morphological and biological traits characterizing this form group. Accepted genera are listed and discussed according to a system based on molecular results combined with morphological characters. Phylogenetic analyses of LSU rDNA sequences from 55 hypogeous and 139 epigeous taxa of Pezizales were performed to examine their relationships. Parsimony, ML, and Bayesian analyses of these sequences indicate that the truffles studied represent at least 15 independent lineages within the Pezizales. Sequences from hypogeous representatives referred to the following families and genera were analysed: Discinaceae-Morchellaceae (Fischerula, Hydnotrya, Leucangium), Helvellaceae (Balsamia and Barssia), Pezizaceae (Amylascus, Cazia, Eremiomyces, Hydnotryopsis, Kaliharituber, Mattirolomyces, Pachyphloeus, Peziza, Ruhlandiella, Stephensia, Terfezia, and Tirmania), Pyronemataceae (Genea, Geopora, Paurocotylis, and Stephensia) and Tuberaceae (Choiromyces, Dingleya, Labyrinthomyces, Reddellomyces, and Tuber). The different types of hypogeous ascomata were found within most major evolutionary lines often nesting close to apothecial species. Although the Pezizaceae traditionally have been defined mainly on the presence of amyloid reactions of the ascus wall several truffles appear to have lost this character. The value of the number of nuclei in mature ascospores as a delimiting family character is evaluated and found to be more variable than generally assumed.</AbstractText>
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Serveur d'exploration sur le chant choral et la santé

Truffle trouble: what happened to the Tuberales?

Truffle trouble: what happened to the Tuberales?

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki