Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices
Format du poster : 21 X 29,7 International audience Arbuscular mycorrhizal fungi (Glomeromycota) are ubiquitous mutualistic associates of plants. Only relatively recently it has become possible to study the population biology of some species of these fungi. The model organism Glomus intraradices has...
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ftccsdartic:oai:HAL:hal-02813938v1 2023-06-06T11:55:29+02:00 Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices Redecker, Dirk Boerstler, B. Thiery, O. Microbiologie Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB) Université de Bâle Édimbourg, United Kingdom 2010-08-01 https://hal.inrae.fr/hal-02813938 en eng HAL CCSD hal-02813938 https://hal.inrae.fr/hal-02813938 PRODINRA: 49243 International Mycology Congress - IMC9 The biology of fungi https://hal.inrae.fr/hal-02813938 International Mycology Congress - IMC9 The biology of fungi, Aug 2010, Édimbourg, United Kingdom. 1 p., 2010 glomus intraradices arbuscular mycorrhizal fungi different continent world [SDV]Life Sciences [q-bio] [SDE]Environmental Sciences info:eu-repo/semantics/conferenceObject Conference poster 2010 ftccsdartic 2023-04-16T02:43:36Z Format du poster : 21 X 29,7 International audience Arbuscular mycorrhizal fungi (Glomeromycota) are ubiquitous mutualistic associates of plants. Only relatively recently it has become possible to study the population biology of some species of these fungi. The model organism Glomus intraradices has been found across an extremely wide range of habitats and succession stages on different continents using molecular identification approaches. We used regions of the mitochondrially-encoded rDNA as novel molecular markers to resolve the intraspecies structure of G. intraradices and found a high diversity of mitochondrial haplotypes among isolates from all over the world. These markers for the first time also offer to genotype G. intraradices directly within colonized roots. Using this approach, we found a surprisingly high degree of genetic differentiation of G. intraradices among arable sites in Switzerland. Grasslands showed a completely different set of haplotypes compared to arable sites. In addition, haplotypes from geothermal and nonthermal sites in Yellowstone National Park and Iceland were analyzed. These findings will contribute to a better understanding of processes of adaptation and specialization in mutualistic plant/fungus associations. The evolutionary dynamics of the respective mitochondrial gene region was also assessed in other Glomus species, providing evidence for long-term stability or recent horizontal transfer in different introns. Conference Object Iceland Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
glomus intraradices arbuscular mycorrhizal fungi different continent world [SDV]Life Sciences [q-bio] [SDE]Environmental Sciences |
spellingShingle |
glomus intraradices arbuscular mycorrhizal fungi different continent world [SDV]Life Sciences [q-bio] [SDE]Environmental Sciences Redecker, Dirk Boerstler, B. Thiery, O. Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
topic_facet |
glomus intraradices arbuscular mycorrhizal fungi different continent world [SDV]Life Sciences [q-bio] [SDE]Environmental Sciences |
description |
Format du poster : 21 X 29,7 International audience Arbuscular mycorrhizal fungi (Glomeromycota) are ubiquitous mutualistic associates of plants. Only relatively recently it has become possible to study the population biology of some species of these fungi. The model organism Glomus intraradices has been found across an extremely wide range of habitats and succession stages on different continents using molecular identification approaches. We used regions of the mitochondrially-encoded rDNA as novel molecular markers to resolve the intraspecies structure of G. intraradices and found a high diversity of mitochondrial haplotypes among isolates from all over the world. These markers for the first time also offer to genotype G. intraradices directly within colonized roots. Using this approach, we found a surprisingly high degree of genetic differentiation of G. intraradices among arable sites in Switzerland. Grasslands showed a completely different set of haplotypes compared to arable sites. In addition, haplotypes from geothermal and nonthermal sites in Yellowstone National Park and Iceland were analyzed. These findings will contribute to a better understanding of processes of adaptation and specialization in mutualistic plant/fungus associations. The evolutionary dynamics of the respective mitochondrial gene region was also assessed in other Glomus species, providing evidence for long-term stability or recent horizontal transfer in different introns. |
author2 |
Microbiologie Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB) Université de Bâle |
format |
Conference Object |
author |
Redecker, Dirk Boerstler, B. Thiery, O. |
author_facet |
Redecker, Dirk Boerstler, B. Thiery, O. |
author_sort |
Redecker, Dirk |
title |
Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
title_short |
Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
title_full |
Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
title_fullStr |
Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
title_full_unstemmed |
Is this fungus everywhere? Elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus Glomus intraradices |
title_sort |
is this fungus everywhere? elucidating the genetic structure of populations of the arbuscular mycorrhizal fungus glomus intraradices |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.inrae.fr/hal-02813938 |
op_coverage |
Édimbourg, United Kingdom |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
International Mycology Congress - IMC9 The biology of fungi https://hal.inrae.fr/hal-02813938 International Mycology Congress - IMC9 The biology of fungi, Aug 2010, Édimbourg, United Kingdom. 1 p., 2010 |
op_relation |
hal-02813938 https://hal.inrae.fr/hal-02813938 PRODINRA: 49243 |
_version_ |
1767962543259648000 |