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Transcriptional response to UV treatment in several Arabidopsis thaliana accessions


ABSTRACT: UV radiation is a ubiquitous component of solar radiation that affects plant growth and development. Analysis of natural variation in response to UV radiation revealed significant differences among natural accessions of Arabidopsis thaliana. However, the genetic basis of this is to a large extent unknown. Here, we analyzed the response of Arabidopsis accessions to UV radiation stress by performing RNA-sequencing of three UV sensitive and three UV resistant accessions. The genome-wide transcriptional analysis revealed a large number of genes significantly up- or down-regulated only in sensitive or only in resistant accessions, respectively. Mutant analysis of few selected candidate genes suggested by the RNA-sequencing results indicate a connection between UV radiation stress and plant-pathogen-like defense responses. Examination of transcriptional changes in response to UV treatment in Arabidopsis natural accessions

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Ales Pecinka 

PROVIDER: E-GEOD-64870 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Arabidopsis thaliana natural variation reveals connections between UV radiation stress and plant pathogen-like defense responses.

Piofczyk Thomas T   Jeena Ganga G   Pecinka Ales A  

Plant physiology and biochemistry : PPB 20150202


UV radiation is a ubiquitous component of solar radiation that affects plant growth and development. Here we studied growth related traits of 345 Arabidopsis thaliana accessions in response to UV radiation stress. We analyzed the genetic basis of this natural variation by genome-wide association studies, which suggested a specific candidate genomic region. RNA-sequencing of three sensitive and three resistant accessions combined with mutant analysis revealed five large effect genes. Mutations in  ...[more]

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