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Analysis of allele-specific expression in mouse liver by RNA-Seq: a comparison with Cis-eQTL identified using genetic linkage.


ABSTRACT: We report an analysis of allele-specific expression (ASE) and parent-of-origin expression in adult mouse liver using next generation sequencing (RNA-Seq) of reciprocal crosses of heterozygous F1 mice from the parental strains C57BL/6J and DBA/2J. We found a 60% overlap between genes exhibiting ASE and putative cis-acting expression quantitative trait loci (cis-eQTL) identified in an intercross between the same strains. We discuss the various biological and technical factors that contribute to the differences. We also identify genes exhibiting parental imprinting and complex expression patterns. Our study demonstrates the importance of biological replicates to limit the number of false positives with RNA-Seq data.

SUBMITTER: Lagarrigue S 

PROVIDER: S-EPMC3813844 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature

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Analysis of allele-specific expression in mouse liver by RNA-Seq: a comparison with Cis-eQTL identified using genetic linkage.

Lagarrigue Sandrine S   Martin Lisa L   Hormozdiari Farhad F   Roux Pierre-François PF   Pan Calvin C   van Nas Atila A   Demeure Olivier O   Cantor Rita R   Ghazalpour Anatole A   Eskin Eleazar E   Lusis Aldons J AJ  

Genetics 20130911 3


We report an analysis of allele-specific expression (ASE) and parent-of-origin expression in adult mouse liver using next generation sequencing (RNA-Seq) of reciprocal crosses of heterozygous F1 mice from the parental strains C57BL/6J and DBA/2J. We found a 60% overlap between genes exhibiting ASE and putative cis-acting expression quantitative trait loci (cis-eQTL) identified in an intercross between the same strains. We discuss the various biological and technical factors that contribute to th  ...[more]

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