Dataset Information


Analysis of transcript abundance during appressorium formation in the rice blast fungus Magnaporthe oryzae using HT-SuperSAGE.

ABSTRACT: The rice-blast fungus Magnaporthe oryzae is disseminated using a three-celled spore or conidium. Upon landing on the surface of a rice leaf, the conidium germinates and forms a specialised structure for entry into the host plant - the appressorium. In this study we have followed gene expression thoughout germination of the conidium and formation of the appressorium to identify genes that may be important for appressorium function. We have also compared gene expression in the wild-type germinating conidium at four hours to a mutant strain deleted for the MAP kinase pmk1. The pmk1 mutant is unable to form appressoria. Samples were taken from five time-points in wild-type germinating conidia and one time-point in the pmk1 mutant. Two replicates were taken at each time-point.

ORGANISM(S): Pyricularia oryzae  

SUBMITTER: Darren Mark Soanes   Nicholas J Talbot  Angus L Dawe  Konrad H Paszkiewicz  Apratim Chakrabarti  Darren M Soanes 

PROVIDER: E-GEOD-30069 | ArrayExpress | 2012-02-13



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Genome-wide transcriptional profiling of appressorium development by the rice blast fungus Magnaporthe oryzae.

Soanes Darren M DM   Chakrabarti Apratim A   Paszkiewicz Konrad H KH   Dawe Angus L AL   Talbot Nicholas J NJ  

PLoS pathogens 20120209 2

The rice blast fungus Magnaporthe oryzae is one of the most significant pathogens affecting global food security. To cause rice blast disease the fungus elaborates a specialised infection structure called an appressorium. Here, we report genome wide transcriptional profile analysis of appressorium development using next generation sequencing (NGS). We performed both RNA-Seq and High-Throughput SuperSAGE analysis to compare the utility of these procedures for identifying differential gene express  ...[more]

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