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MRNA samples in Allele Specific Expression study


ABSTRACT: Col-0 and Van-0 total RNA were mixed at 1:1. Total RNA also extracted from F1 hybrid samples from Col x Van and Van x Col. PolyA RNA were purified and double-strand cDNA were synthesized, followed by bioprime random labeling. A total of 16ug labelled products were hybridized to AtSNPtile1. cis regulatory effect was identified as allele specific expression in F1 hybrids. Composite trans regulatory effect was detected as deviation between parental expression and F1 hybrids expression. Each sample type has four replicates. Single chanel. Three sample types (Col and Van RNA 1:1 mixture, Col x Van F1 hybrids, Van x Col F1 hybrids). Total 12 samples.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Justin Borevitz 

PROVIDER: E-GEOD-16506 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Global analysis of allele-specific expression in Arabidopsis thaliana.

Zhang Xu X   Borevitz Justin O JO  

Genetics 20090527 4


Gene expression is a complex trait determined by various genetic and nongenetic factors. Among the genetic factors, allelic difference may play a critical role in gene regulation. In this study we globally dissected cis (allelic) and trans sources of genetic variation in F(1) hybrids between two Arabidopsis thaliana wild accessions, Columbia (Col) and Vancouver (Van), using a new high-density SNP-tiling array. This array tiles the whole genome with 35-bp resolution and interrogates 250,000 SNPs  ...[more]

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