New insights into black truffle biology: discovery of the potential connecting structure between a Tuber aestivum ascocarp and its host root.
Identifieur interne : 000429 ( Main/Exploration ); précédent : 000428; suivant : 000430New insights into black truffle biology: discovery of the potential connecting structure between a Tuber aestivum ascocarp and its host root.
Auteurs : Aurélie Deveau [France] ; Philippe Clowez [France] ; François Petit [France] ; Jean-Paul Maurice [France] ; Flora Todesco [France] ; Claude Murat [France] ; Maryline Harroué [France] ; Julien Ruelle [France] ; François Le Tacon [France]Source :
- Mycorrhiza [ 1432-1890 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- microbiologie : Arbres.
- métabolisme : Carbone.
- physiologie : Ascomycota, Corps fructifères de champignon.
- Gènes fongiques du type conjugant, Mycorhizes, Réaction de polymérisation en chaîne, Symbiose.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Carbon.
- microbiology : Trees.
- physiology : Ascomycota, Fruiting Bodies, Fungal.
- Genes, Mating Type, Fungal, Mycorrhizae, Polymerase Chain Reaction, Symbiosis.
Abstract
According to isotopic labeling experiments, most of the carbon used by truffle (Tuber sp.) fruiting bodies to develop underground is provided by host trees, suggesting that trees and truffles are physically connected. However, such physical link between trees and truffle fruiting bodies has never been observed. We discovered fruiting bodies of Tuber aestivum adhering to the walls of a belowground quarry and we took advantage of this unique situation to analyze the physical structure that supported these fruiting bodies in the open air. Observation of transversal sections of the attachment structure indicated that it was organized in ducts made of gleba-like tissue and connected to a network of hyphae traveling across soil particles. Only one mating type was detected by PCR in the gleba and in the attachment structure, suggesting that these two organs are from maternal origin, leaving open the question of the location of the opposite paternal mating type.
DOI: 10.1007/s00572-019-00892-4
PubMed: 30989396
Affiliations:
- France
- Grand Est, Hauts-de-France, Lorraine (région), Picardie
- Champenoux, Fleurines, Neufchâteau (Vosges), Pont-l'Evêque
- Université de Lorraine
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Le Tacon, Francois" sort="Le Tacon, Francois" uniqKey="Le Tacon F" first="François" last="Le Tacon">François Le Tacon</name>
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<series><title level="j">Mycorrhiza</title>
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<term>Carbon (metabolism)</term>
<term>Fruiting Bodies, Fungal (physiology)</term>
<term>Genes, Mating Type, Fungal (MeSH)</term>
<term>Mycorrhizae (MeSH)</term>
<term>Polymerase Chain Reaction (MeSH)</term>
<term>Symbiosis (MeSH)</term>
<term>Trees (microbiology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Arbres (microbiologie)</term>
<term>Ascomycota (physiologie)</term>
<term>Carbone (métabolisme)</term>
<term>Corps fructifères de champignon (physiologie)</term>
<term>Gènes fongiques du type conjugant (MeSH)</term>
<term>Mycorhizes (MeSH)</term>
<term>Réaction de polymérisation en chaîne (MeSH)</term>
<term>Symbiose (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Arbres</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Trees</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Carbone</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Ascomycota</term>
<term>Corps fructifères de champignon</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ascomycota</term>
<term>Fruiting Bodies, Fungal</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Genes, Mating Type, Fungal</term>
<term>Mycorrhizae</term>
<term>Polymerase Chain Reaction</term>
<term>Symbiosis</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Gènes fongiques du type conjugant</term>
<term>Mycorhizes</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Symbiose</term>
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<front><div type="abstract" xml:lang="en">According to isotopic labeling experiments, most of the carbon used by truffle (Tuber sp.) fruiting bodies to develop underground is provided by host trees, suggesting that trees and truffles are physically connected. However, such physical link between trees and truffle fruiting bodies has never been observed. We discovered fruiting bodies of Tuber aestivum adhering to the walls of a belowground quarry and we took advantage of this unique situation to analyze the physical structure that supported these fruiting bodies in the open air. Observation of transversal sections of the attachment structure indicated that it was organized in ducts made of gleba-like tissue and connected to a network of hyphae traveling across soil particles. Only one mating type was detected by PCR in the gleba and in the attachment structure, suggesting that these two organs are from maternal origin, leaving open the question of the location of the opposite paternal mating type.</div>
</front>
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<DateCompleted><Year>2019</Year>
<Month>06</Month>
<Day>26</Day>
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<Month>02</Month>
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<Title>Mycorrhiza</Title>
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<ArticleTitle>New insights into black truffle biology: discovery of the potential connecting structure between a Tuber aestivum ascocarp and its host root.</ArticleTitle>
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<Abstract><AbstractText>According to isotopic labeling experiments, most of the carbon used by truffle (Tuber sp.) fruiting bodies to develop underground is provided by host trees, suggesting that trees and truffles are physically connected. However, such physical link between trees and truffle fruiting bodies has never been observed. We discovered fruiting bodies of Tuber aestivum adhering to the walls of a belowground quarry and we took advantage of this unique situation to analyze the physical structure that supported these fruiting bodies in the open air. Observation of transversal sections of the attachment structure indicated that it was organized in ducts made of gleba-like tissue and connected to a network of hyphae traveling across soil particles. Only one mating type was detected by PCR in the gleba and in the attachment structure, suggesting that these two organs are from maternal origin, leaving open the question of the location of the opposite paternal mating type.</AbstractText>
</Abstract>
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<ForeName>Aurélie</ForeName>
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<Author ValidYN="Y"><LastName>Clowez</LastName>
<ForeName>Philippe</ForeName>
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<ForeName>Flora</ForeName>
<Initials>F</Initials>
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<ForeName>Julien</ForeName>
<Initials>J</Initials>
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<ForeName>François</ForeName>
<Initials>F</Initials>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
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<MeshHeading><DescriptorName UI="D016133" MajorTopicYN="N">Polymerase Chain Reaction</DescriptorName>
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<Keyword MajorTopicYN="N">Fruiting body</Keyword>
<Keyword MajorTopicYN="N">Mating type</Keyword>
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<affiliations><list><country><li>France</li>
</country>
<region><li>Grand Est</li>
<li>Hauts-de-France</li>
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<name sortKey="Clowez, Philippe" sort="Clowez, Philippe" uniqKey="Clowez P" first="Philippe" last="Clowez">Philippe Clowez</name>
<name sortKey="Harroue, Maryline" sort="Harroue, Maryline" uniqKey="Harroue M" first="Maryline" last="Harroué">Maryline Harroué</name>
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<name sortKey="Maurice, Jean Paul" sort="Maurice, Jean Paul" uniqKey="Maurice J" first="Jean-Paul" last="Maurice">Jean-Paul Maurice</name>
<name sortKey="Murat, Claude" sort="Murat, Claude" uniqKey="Murat C" first="Claude" last="Murat">Claude Murat</name>
<name sortKey="Petit, Francois" sort="Petit, Francois" uniqKey="Petit F" first="François" last="Petit">François Petit</name>
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