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TranscriptomicsPersistent heat stress in Arabidopsis
Analysis of transcriptional changes upon persistent heat stress with emphasis on epigenetically regulated genes 3 week old seedling grown in vitro were exposed to 37oC for 30 h (LHS). After heat stress, plants were analyzed immediately (R0) or allowed to recover at ambient temperature for 2 days (R2...
ORGANISM(S): Arabidopsis thaliana 
2010-03-06 | E-GEOD-18666 | biostudies-arrayexpress
TranscriptomicsAnalysis of polyploidy-associated transcriptional gene silencing (paTGS) mutants
A case of transcriptional gene silencing, originally observed in tetraploid Arabidopsis plants, created an epiallele resistant to many mutations or inhibitor treatments that activate other suppressed genes. This raised the question about the molecular basis of this extreme stability. A combination o...
ORGANISM(S): Arabidopsis thaliana 
2010-02-01 | E-GEOD-17496 | biostudies-arrayexpress
TranscriptomicsTranscriptional gene silencing mediated by interplay of MOM1 and Pol V
In plants, multiple levels of epigenetic control suppress transposon movement and permit somatic as well as transgenerational transmission of gene expression patterns. A variety of factors are involved that establish and/or maintain epigenetic marks, such as covalent modification of DNA and histones...
ORGANISM(S): Arabidopsis thaliana 
2010-06-19 | E-GEOD-17940 | biostudies-arrayexpress
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