Transcriptomics

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Early infection of poplar leaves by the rust pathogen Melampsora larici-populina


ABSTRACT: The identification of early-expressed pathogen effectors and early-modulated host functions is currently a major goal to understand the molecular basis of biotrophic lifestyle. Melampsora larici-populina isolates 98AG31 and 93ID6, respectively virulent and avirulent on the hybrid P. trichocarpa x P. deltoides poplar cultivar ‘Beaupré’ were used in this study. Inoculations were performed on 5 cm2 leaf disks. The following conditions were used for oligoarrays: Incompatible 18, 21 and 24 hpi, Compatible 18, 24 and 48hpi. One aim of this study was to compare RNA-Seq and hybridization-based approaches, therefore the cDNA templates were used for whole-genome poplar oligoarrays and 454-pyrosequencing. We performed 6 hybridizations (Nimblegen) with samples derived from incompatible (18, 21 and 24hpi) and compatible (18, 24 and 48hpi) interactions of Melampsora larici-populina with P. trichocarpa x P. deltoides poplar cultivar ‘Beaupré’ leaves. All samples were labeled with Cy3.

ORGANISM(S): Populus trichocarpa x Populus deltoides  

SUBMITTER: Stéphane Hacquard  Annegret Kohler   Emilie Tisserant   Sébastien Duplessis   Benjamin Petre   Francis Martin   Pascal Frey    

PROVIDER: E-GEOD-34802 | ArrayExpress | 2012-09-01

SECONDARY ACCESSION(S): GSE34802PRJNA151131

REPOSITORIES: GEO, ArrayExpress

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