Growth dynamics of geographically different arbuscular mycorrhizal fungal isolates belonging to the 'Rhizophagus clade' under monoxenic conditions.
Identifieur interne : 00CF39 ( Main/Exploration ); précédent : 00CF38; suivant : 00CF40Growth dynamics of geographically different arbuscular mycorrhizal fungal isolates belonging to the 'Rhizophagus clade' under monoxenic conditions.
Auteurs : Vanesa Analía Silvani [Oman] ; Laura Fernández Bidondo [Argentine] ; María Josefina Bompadre [Argentine] ; Roxana Paula Colombo [Argentine] ; Mariana Pérgola [Argentine] ; Agustín Bompadre [États-Unis] ; Sebastián Fracchia [Argentine] ; Alicia Godeas [Argentine]Source :
- Mycologia [ 0027-5514 ]
Descripteurs français
- KwdFr :
- ADN fongique (), ADN fongique (génétique), ADN ribosomique (), ADN ribosomique (génétique), Analyse de séquence d'ADN, Argentine, Données de séquences moléculaires, Glomeromycota (croissance et développement), Glomeromycota (génétique), Glomeromycota (physiologie), Mycelium, Mycorhizes (croissance et développement), Mycorhizes (génétique), Mycorhizes (physiologie), Phylogénie, Racines de plante (microbiologie), Spores fongiques, Séquence nucléotidique.
- MESH :
- croissance et développement : Glomeromycota, Mycorhizes.
- génétique : ADN fongique, ADN ribosomique, Glomeromycota, Mycorhizes.
- microbiologie : Racines de plante.
- physiologie : Glomeromycota, Mycorhizes.
- ADN fongique, ADN ribosomique, Analyse de séquence d'ADN, Argentine, Données de séquences moléculaires, Mycelium, Phylogénie, Spores fongiques, Séquence nucléotidique.
- Wicri :
- geographic : Argentine.
English descriptors
- KwdEn :
- Argentina, Base Sequence, DNA, Fungal (chemistry), DNA, Fungal (genetics), DNA, Ribosomal (chemistry), DNA, Ribosomal (genetics), Glomeromycota (genetics), Glomeromycota (growth & development), Glomeromycota (physiology), Molecular Sequence Data, Mycelium, Mycorrhizae (genetics), Mycorrhizae (growth & development), Mycorrhizae (physiology), Phylogeny, Plant Roots (microbiology), Sequence Analysis, DNA, Spores, Fungal.
- MESH :
- chemical , chemistry : DNA, Fungal, DNA, Ribosomal.
- chemical , genetics : DNA, Fungal, DNA, Ribosomal.
- geographic : Argentina.
- genetics : Glomeromycota, Mycorrhizae.
- growth & development : Glomeromycota, Mycorrhizae.
- microbiology : Plant Roots.
- physiology : Glomeromycota, Mycorrhizae.
- Base Sequence, Molecular Sequence Data, Mycelium, Phylogeny, Sequence Analysis, DNA, Spores, Fungal.
Abstract
The growth dynamics of extraradical mycelium and spore formation of 14 "Rhizophagus" isolates from different sites in Argentina were evaluated under monoxenic conditions. A modified Gompertz model was used to characterize the development of mycelium and spores for each isolate under the same conditions. The lag time, maximal growth rate and total quantity of both extraradical hyphae and spores were determined. Wide variability among isolates was detected, and all growth parameters were significantly altered by fungal isolate. Discriminant analysis differentiated isolates primarily based on the extent of extraradical hyphae produced, yet such differences did not conclusively correspond to phylogenetic relationships among closely related isolates based on partial SSU sequences. Given that the "Rhizophagus" isolates were grown under controlled conditions for many generations, the expression of phenotypic variability could be attributed to genetic differences that are not completely resolved by phylogenetic analysis employing the small ribosomal gene.
DOI: 10.3852/13-118
PubMed: 24891409
Affiliations:
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Le document en format XML
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<author><name sortKey="Bompadre, Maria Josefina" sort="Bompadre, Maria Josefina" uniqKey="Bompadre M" first="María Josefina" last="Bompadre">María Josefina Bompadre</name>
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<author><name sortKey="Colombo, Roxana Paula" sort="Colombo, Roxana Paula" uniqKey="Colombo R" first="Roxana Paula" last="Colombo">Roxana Paula Colombo</name>
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<author><name sortKey="Godeas, Alicia" sort="Godeas, Alicia" uniqKey="Godeas A" first="Alicia" last="Godeas">Alicia Godeas</name>
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<series><title level="j">Mycologia</title>
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<term>Base Sequence</term>
<term>DNA, Fungal (chemistry)</term>
<term>DNA, Fungal (genetics)</term>
<term>DNA, Ribosomal (chemistry)</term>
<term>DNA, Ribosomal (genetics)</term>
<term>Glomeromycota (genetics)</term>
<term>Glomeromycota (growth & development)</term>
<term>Glomeromycota (physiology)</term>
<term>Molecular Sequence Data</term>
<term>Mycelium</term>
<term>Mycorrhizae (genetics)</term>
<term>Mycorrhizae (growth & development)</term>
<term>Mycorrhizae (physiology)</term>
<term>Phylogeny</term>
<term>Plant Roots (microbiology)</term>
<term>Sequence Analysis, DNA</term>
<term>Spores, Fungal</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>ADN fongique ()</term>
<term>ADN fongique (génétique)</term>
<term>ADN ribosomique ()</term>
<term>ADN ribosomique (génétique)</term>
<term>Analyse de séquence d'ADN</term>
<term>Argentine</term>
<term>Données de séquences moléculaires</term>
<term>Glomeromycota (croissance et développement)</term>
<term>Glomeromycota (génétique)</term>
<term>Glomeromycota (physiologie)</term>
<term>Mycelium</term>
<term>Mycorhizes (croissance et développement)</term>
<term>Mycorhizes (génétique)</term>
<term>Mycorhizes (physiologie)</term>
<term>Phylogénie</term>
<term>Racines de plante (microbiologie)</term>
<term>Spores fongiques</term>
<term>Séquence nucléotidique</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>DNA, Fungal</term>
<term>DNA, Ribosomal</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Fungal</term>
<term>DNA, Ribosomal</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Argentina</term>
</keywords>
<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Glomeromycota</term>
<term>Mycorhizes</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Glomeromycota</term>
<term>Mycorrhizae</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Glomeromycota</term>
<term>Mycorrhizae</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN fongique</term>
<term>ADN ribosomique</term>
<term>Glomeromycota</term>
<term>Mycorhizes</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Racines de plante</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Glomeromycota</term>
<term>Mycorhizes</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Glomeromycota</term>
<term>Mycorrhizae</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Base Sequence</term>
<term>Molecular Sequence Data</term>
<term>Mycelium</term>
<term>Phylogeny</term>
<term>Sequence Analysis, DNA</term>
<term>Spores, Fungal</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>ADN fongique</term>
<term>ADN ribosomique</term>
<term>Analyse de séquence d'ADN</term>
<term>Argentine</term>
<term>Données de séquences moléculaires</term>
<term>Mycelium</term>
<term>Phylogénie</term>
<term>Spores fongiques</term>
<term>Séquence nucléotidique</term>
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<front><div type="abstract" xml:lang="en">The growth dynamics of extraradical mycelium and spore formation of 14 "Rhizophagus" isolates from different sites in Argentina were evaluated under monoxenic conditions. A modified Gompertz model was used to characterize the development of mycelium and spores for each isolate under the same conditions. The lag time, maximal growth rate and total quantity of both extraradical hyphae and spores were determined. Wide variability among isolates was detected, and all growth parameters were significantly altered by fungal isolate. Discriminant analysis differentiated isolates primarily based on the extent of extraradical hyphae produced, yet such differences did not conclusively correspond to phylogenetic relationships among closely related isolates based on partial SSU sequences. Given that the "Rhizophagus" isolates were grown under controlled conditions for many generations, the expression of phenotypic variability could be attributed to genetic differences that are not completely resolved by phylogenetic analysis employing the small ribosomal gene.</div>
</front>
</TEI>
<affiliations><list><country><li>Argentine</li>
<li>Oman</li>
<li>États-Unis</li>
</country>
<region><li>Pennsylvanie</li>
</region>
</list>
<tree><country name="Oman"><noRegion><name sortKey="Silvani, Vanesa Analia" sort="Silvani, Vanesa Analia" uniqKey="Silvani V" first="Vanesa Analía" last="Silvani">Vanesa Analía Silvani</name>
</noRegion>
</country>
<country name="Argentine"><noRegion><name sortKey="Bidondo, Laura Fernandez" sort="Bidondo, Laura Fernandez" uniqKey="Bidondo L" first="Laura Fernández" last="Bidondo">Laura Fernández Bidondo</name>
</noRegion>
<name sortKey="Bompadre, Maria Josefina" sort="Bompadre, Maria Josefina" uniqKey="Bompadre M" first="María Josefina" last="Bompadre">María Josefina Bompadre</name>
<name sortKey="Colombo, Roxana Paula" sort="Colombo, Roxana Paula" uniqKey="Colombo R" first="Roxana Paula" last="Colombo">Roxana Paula Colombo</name>
<name sortKey="Fracchia, Sebastian" sort="Fracchia, Sebastian" uniqKey="Fracchia S" first="Sebastián" last="Fracchia">Sebastián Fracchia</name>
<name sortKey="Godeas, Alicia" sort="Godeas, Alicia" uniqKey="Godeas A" first="Alicia" last="Godeas">Alicia Godeas</name>
<name sortKey="Pergola, Mariana" sort="Pergola, Mariana" uniqKey="Pergola M" first="Mariana" last="Pérgola">Mariana Pérgola</name>
</country>
<country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Bompadre, Agustin" sort="Bompadre, Agustin" uniqKey="Bompadre A" first="Agustín" last="Bompadre">Agustín Bompadre</name>
</region>
</country>
</tree>
</affiliations>
</record>
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