Transcriptome profiling in hybrid poplar following interactions with Melampsora rust fungi.
Identifieur interne : 000E48 ( Main/Merge ); précédent : 000E47; suivant : 000E49Transcriptome profiling in hybrid poplar following interactions with Melampsora rust fungi.
Auteurs : Aïda Azaiez [Canada] ; Brian Boyle ; Valérie Levée ; Armand SéguinSource :
- Molecular plant-microbe interactions : MPMI [ 0894-0282 ] ; 2009.
Descripteurs français
- KwdFr :
- Analyse de profil d'expression de gènes (MeSH), Anti-infectieux (métabolisme), Basidiomycota (physiologie), Chimère (métabolisme), Clones cellulaires (MeSH), Feuilles de plante (génétique), Feuilles de plante (microbiologie), Gènes de plante (MeSH), Maladies des plantes (génétique), Maladies des plantes (microbiologie), Paroi cellulaire (génétique), Populus (génétique), Populus (microbiologie), Populus (métabolisme), Reproductibilité des résultats (MeSH), Réaction de polymérisation en chaîne (MeSH), Régulation de l'expression des gènes végétaux (MeSH), Séquençage par oligonucléotides en batterie (MeSH), Transduction du signal (MeSH), Transporteurs ABC (métabolisme).
- MESH :
- génétique : Feuilles de plante, Maladies des plantes, Paroi cellulaire, Populus.
- microbiologie : Feuilles de plante, Maladies des plantes, Populus.
- métabolisme : Anti-infectieux, Chimère, Populus, Transporteurs ABC.
- physiologie : Basidiomycota.
- Analyse de profil d'expression de gènes, Clones cellulaires, Gènes de plante, Reproductibilité des résultats, Réaction de polymérisation en chaîne, Régulation de l'expression des gènes végétaux, Séquençage par oligonucléotides en batterie, Transduction du signal.
English descriptors
- KwdEn :
- ATP-Binding Cassette Transporters (metabolism), Anti-Infective Agents (metabolism), Basidiomycota (physiology), Cell Wall (genetics), Chimera (metabolism), Clone Cells (MeSH), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (MeSH), Oligonucleotide Array Sequence Analysis (MeSH), Plant Diseases (genetics), Plant Diseases (microbiology), Plant Leaves (genetics), Plant Leaves (microbiology), Polymerase Chain Reaction (MeSH), Populus (genetics), Populus (metabolism), Populus (microbiology), Reproducibility of Results (MeSH), Signal Transduction (MeSH).
- MESH :
- chemical , metabolism : ATP-Binding Cassette Transporters, Anti-Infective Agents.
- genetics : Cell Wall, Plant Diseases, Plant Leaves, Populus.
- metabolism : Chimera, Populus.
- microbiology : Plant Diseases, Plant Leaves, Populus.
- physiology : Basidiomycota.
- Clone Cells, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Oligonucleotide Array Sequence Analysis, Polymerase Chain Reaction, Reproducibility of Results, Signal Transduction.
Abstract
In natural conditions, plants are subjected to a combination of biotic stresses and often have to cope with simultaneous pathogen infections. In this report, we aim to understand the global transcriptional response of hybrid poplar NM6 (Populus nigra x P. maximowiczii) to infection by two biotrophic Melampsora fungi, Melampsora larici-populina and M. medusae f. sp. deltoidae. These pathogens triggered different responses after inoculation of poplar leaves. Transcript profiling using the GeneChip Poplar Genome Array revealed a total of 416 differentially expressed transcripts whose expression level was > or = twofold relative to controls. Interestingly, approximately half of the differentially expressed genes in infected leaves showed altered expression following interaction with either of the Melampsora spp. We also infected poplar leaves simultaneously with both Melampsora spp. to investigate potential interaction between the responses to the individual pathogens during a mixed infection. For this mixed inoculation, the number of differentially expressed transcripts increased to 648 and our analysis showed that infection with both fungi also induced a common set of genes. The genes induced after Melampsora spp. infection were mainly related to primary and secondary metabolic processes, cell-wall reinforcement and lignification, defense and stress-related mechanisms, and signal perception and transduction.
DOI: 10.1094/MPMI-22-2-0190
PubMed: 19132871
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pubmed:19132871Le document en format XML
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<term>Cell Wall (genetics)</term>
<term>Chimera (metabolism)</term>
<term>Clone Cells (MeSH)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Genes, Plant (MeSH)</term>
<term>Oligonucleotide Array Sequence Analysis (MeSH)</term>
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<term>Populus (metabolism)</term>
<term>Populus (microbiology)</term>
<term>Reproducibility of Results (MeSH)</term>
<term>Signal Transduction (MeSH)</term>
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<term>Anti-infectieux (métabolisme)</term>
<term>Basidiomycota (physiologie)</term>
<term>Chimère (métabolisme)</term>
<term>Clones cellulaires (MeSH)</term>
<term>Feuilles de plante (génétique)</term>
<term>Feuilles de plante (microbiologie)</term>
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<term>Maladies des plantes (microbiologie)</term>
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<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
<term>Séquençage par oligonucléotides en batterie (MeSH)</term>
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<term>Maladies des plantes</term>
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<term>Reproductibilité des résultats</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Régulation de l'expression des gènes végétaux</term>
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<front><div type="abstract" xml:lang="en">In natural conditions, plants are subjected to a combination of biotic stresses and often have to cope with simultaneous pathogen infections. In this report, we aim to understand the global transcriptional response of hybrid poplar NM6 (Populus nigra x P. maximowiczii) to infection by two biotrophic Melampsora fungi, Melampsora larici-populina and M. medusae f. sp. deltoidae. These pathogens triggered different responses after inoculation of poplar leaves. Transcript profiling using the GeneChip Poplar Genome Array revealed a total of 416 differentially expressed transcripts whose expression level was > or = twofold relative to controls. Interestingly, approximately half of the differentially expressed genes in infected leaves showed altered expression following interaction with either of the Melampsora spp. We also infected poplar leaves simultaneously with both Melampsora spp. to investigate potential interaction between the responses to the individual pathogens during a mixed infection. For this mixed inoculation, the number of differentially expressed transcripts increased to 648 and our analysis showed that infection with both fungi also induced a common set of genes. The genes induced after Melampsora spp. infection were mainly related to primary and secondary metabolic processes, cell-wall reinforcement and lignification, defense and stress-related mechanisms, and signal perception and transduction.</div>
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