PhytophthoraV1, Main, Exploration, bibRecord, 001B84

Interspecific hybridization and apomixis between Phytophthora capsici and Phytophthora tropicalis.

Identifieur interne : 001B84 ( Main/Exploration ); précédent : 001B83; suivant : 001B85

Interspecific hybridization and apomixis between Phytophthora capsici and Phytophthora tropicalis.

Auteurs : Ryan S. Donahoo [États-Unis] ; Kurt H. Lamour

Source :

Mycologia [ 0027-5514 ]

RBID : pubmed:19202845

Descripteurs français

KwdFr :
- ADN des algues (génétique), Cacaoyer (microbiologie), Croisements génétiques (MeSH), Cucurbita (microbiologie), Données de séquences moléculaires (MeSH), Espaceur de l'ADN ribosomique (génétique), Hybridation génétique (MeSH), Phylogenèse (MeSH), Phytophthora (classification), Phytophthora (génétique), Rhododendron (microbiologie), Séquence nucléotidique (MeSH).
MESH :
- génétique : ADN des algues, Espaceur de l'ADN ribosomique, Phytophthora.
- microbiologie : Cacaoyer, Cucurbita, Rhododendron.
- Croisements génétiques, Données de séquences moléculaires, Hybridation génétique, Phylogenèse, Séquence nucléotidique.

English descriptors

KwdEn :
- Base Sequence (MeSH), Cacao (microbiology), Crosses, Genetic (MeSH), Cucurbita (microbiology), DNA, Algal (genetics), DNA, Ribosomal Spacer (genetics), Hybridization, Genetic (MeSH), Molecular Sequence Data (MeSH), Phylogeny (MeSH), Phytophthora (classification), Phytophthora (genetics), Rhododendron (microbiology).
MESH :
- chemical , genetics : DNA, Algal, DNA, Ribosomal Spacer.
- classification : Phytophthora.
- genetics : Phytophthora.
- microbiology : Cacao, Cucurbita, Rhododendron.
- Base Sequence, Crosses, Genetic, Hybridization, Genetic, Molecular Sequence Data, Phylogeny.

Abstract

Phytophthora capsici and the closely related Phytophthora tropicalis infect different hosts that have documented overlapping geographical distributions. Phytophthora capsici attacks annual vegetable hosts whereas P. tropicalis has been recovered from woody perennial hosts. Our objective was to test whether interspecific hybridization is possible and to characterize the resulting progeny. Crosses were made between P. capsici (LT263) from pumpkin to P. tropicalis from rhododendron (LT232) and to P. tropicalis from Theobroma cacao (LT12). The wild type isolates were analyzed for mitochondrial and nuclear DNA sequence diversity and progeny were tested for mating type (MT), AFLP marker profiles and mitochondrial DNA haplotype (mtDNA type). All oospore progeny from LT263 x LT12 were identical to LT263 whereas progeny from LT263 x LT232 were parental as well as hybrid. Hybrid progeny had either one or the other parent mtDNA type and there was no correlation between MT and mtDNA type. Attempts to generate an F2 population from the hybrids proved unsuccessful while a backcross to the P. capsici parent produced hybrid progeny. These results demonstrate that apomixis might play a significant role in species separation and that hybridization between P. capsici and P. tropicalis is possible beyond the F1 generation.

DOI: 10.3852/08-028
PubMed: 19202845

Affiliations:

États-Unis

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Le document en format XML

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<author><name sortKey="Donahoo, Ryan S" sort="Donahoo, Ryan S" uniqKey="Donahoo R" first="Ryan S" last="Donahoo">Ryan S. Donahoo</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Base Sequence (MeSH)</term>
<term>Cacao (microbiology)</term>
<term>Crosses, Genetic (MeSH)</term>
<term>Cucurbita (microbiology)</term>
<term>DNA, Algal (genetics)</term>
<term>DNA, Ribosomal Spacer (genetics)</term>
<term>Hybridization, Genetic (MeSH)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Phylogeny (MeSH)</term>
<term>Phytophthora (classification)</term>
<term>Phytophthora (genetics)</term>
<term>Rhododendron (microbiology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>ADN des algues (génétique)</term>
<term>Cacaoyer (microbiologie)</term>
<term>Croisements génétiques (MeSH)</term>
<term>Cucurbita (microbiologie)</term>
<term>Données de séquences moléculaires (MeSH)</term>
<term>Espaceur de l'ADN ribosomique (génétique)</term>
<term>Hybridation génétique (MeSH)</term>
<term>Phylogenèse (MeSH)</term>
<term>Phytophthora (classification)</term>
<term>Phytophthora (génétique)</term>
<term>Rhododendron (microbiologie)</term>
<term>Séquence nucléotidique (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Algal</term>
<term>DNA, Ribosomal Spacer</term>
</keywords>
<keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Phytophthora</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Phytophthora</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN des algues</term>
<term>Espaceur de l'ADN ribosomique</term>
<term>Phytophthora</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Cacaoyer</term>
<term>Cucurbita</term>
<term>Rhododendron</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Cacao</term>
<term>Cucurbita</term>
<term>Rhododendron</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Base Sequence</term>
<term>Crosses, Genetic</term>
<term>Hybridization, Genetic</term>
<term>Molecular Sequence Data</term>
<term>Phylogeny</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Croisements génétiques</term>
<term>Données de séquences moléculaires</term>
<term>Hybridation génétique</term>
<term>Phylogenèse</term>
<term>Séquence nucléotidique</term>
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<front><div type="abstract" xml:lang="en">Phytophthora capsici and the closely related Phytophthora tropicalis infect different hosts that have documented overlapping geographical distributions. Phytophthora capsici attacks annual vegetable hosts whereas P. tropicalis has been recovered from woody perennial hosts. Our objective was to test whether interspecific hybridization is possible and to characterize the resulting progeny. Crosses were made between P. capsici (LT263) from pumpkin to P. tropicalis from rhododendron (LT232) and to P. tropicalis from Theobroma cacao (LT12). The wild type isolates were analyzed for mitochondrial and nuclear DNA sequence diversity and progeny were tested for mating type (MT), AFLP marker profiles and mitochondrial DNA haplotype (mtDNA type). All oospore progeny from LT263 x LT12 were identical to LT263 whereas progeny from LT263 x LT232 were parental as well as hybrid. Hybrid progeny had either one or the other parent mtDNA type and there was no correlation between MT and mtDNA type. Attempts to generate an F2 population from the hybrids proved unsuccessful while a backcross to the P. capsici parent produced hybrid progeny. These results demonstrate that apomixis might play a significant role in species separation and that hybridization between P. capsici and P. tropicalis is possible beyond the F1 generation.</div>
</front>
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<Month>04</Month>
<Day>03</Day>
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<DateRevised><Year>2019</Year>
<Month>11</Month>
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<JournalIssue CitedMedium="Print"><Volume>100</Volume>
<Issue>6</Issue>
<PubDate><MedlineDate>2008 Nov-Dec</MedlineDate>
</PubDate>
</JournalIssue>
<Title>Mycologia</Title>
<ISOAbbreviation>Mycologia</ISOAbbreviation>
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<ArticleTitle>Interspecific hybridization and apomixis between Phytophthora capsici and Phytophthora tropicalis.</ArticleTitle>
<Pagination><MedlinePgn>911-20</MedlinePgn>
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<Abstract><AbstractText>Phytophthora capsici and the closely related Phytophthora tropicalis infect different hosts that have documented overlapping geographical distributions. Phytophthora capsici attacks annual vegetable hosts whereas P. tropicalis has been recovered from woody perennial hosts. Our objective was to test whether interspecific hybridization is possible and to characterize the resulting progeny. Crosses were made between P. capsici (LT263) from pumpkin to P. tropicalis from rhododendron (LT232) and to P. tropicalis from Theobroma cacao (LT12). The wild type isolates were analyzed for mitochondrial and nuclear DNA sequence diversity and progeny were tested for mating type (MT), AFLP marker profiles and mitochondrial DNA haplotype (mtDNA type). All oospore progeny from LT263 x LT12 were identical to LT263 whereas progeny from LT263 x LT232 were parental as well as hybrid. Hybrid progeny had either one or the other parent mtDNA type and there was no correlation between MT and mtDNA type. Attempts to generate an F2 population from the hybrids proved unsuccessful while a backcross to the P. capsici parent produced hybrid progeny. These results demonstrate that apomixis might play a significant role in species separation and that hybridization between P. capsici and P. tropicalis is possible beyond the F1 generation.</AbstractText>
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<MeshHeading><DescriptorName UI="D029793" MajorTopicYN="N">Rhododendron</DescriptorName>
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Interspecific hybridization and apomixis between Phytophthora capsici and Phytophthora tropicalis.

Interspecific hybridization and apomixis between Phytophthora capsici and Phytophthora tropicalis.

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