Differential gene expression in resistant and susceptible peanut cultivars during Aspergillus infection

ABSTRACT: To identify peanut Aspergillus-interactive and Aspergillus-resistance genes, we carried out a large scale peanut Expressed Sequence Tag (EST) project followed by a peanut microarray study. For expression profiling, resistant and susceptible peanut cultivars were infected with a mixture of Aspergillus flavus and parasiticus spores. Microarray analysis identified 65 and 1 genes in resistant (C20) and susceptible (TF) cultivars, respectively, that were up-regulated in response to Aspergillus infection. In addition we identified 40 putative Aspergillus-resistance genes that were constitutively up-expressed in the resistant cultivar in comparison to the susceptible cultivar. Some of these genes were homologous to peanut, corn, and soybean genes previously shown to confer resistance to fungal

ORGANISM(S): Arachis hypogaea

SUBMITTER: Natalie Fedorova 

PROVIDER: E-GEOD-27612 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress