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Measuring differential gene expression by short read sequencing: quantitative comparison to 2-channel gene expression microarrays

Open access
Bloom, Joshua S, Khan, Zia, Kruglyak, Leonid, Singh, Mona, Caudy, Amy A·2009·BMC Genomics

Abstract

Background: High-throughput cDNA synthesis and sequencing of poly(A)-enriched RNA is rapidly emerging as a technology competing to replace microarrays as a quantitative platform for measuring gene expression. Results: Consequently, we compared full length cDNA sequencing to 2-channel gene expression microarrays in the context of measuring differential gene expression. Because of its comparable cost to a gene expression microarray, our study focused on the data obtainable from a single lane of an Illumina 1 G sequencer. We compared sequencing data to a highly replicated microarray experiment profiling two divergent strains of S. cerevisiae. Conclusion: Using a large number of quantitative PCR (qPCR) assays, more than previous studies, we found that neither technology is decisively better at measuring differential gene expression. Further, we report sequencing results from a diploid hybrid of two strains of S. cerevisiae that indicate full length cDNA sequencing can discover heterozygosity and measure quantitative allele-specific expression simultaneously.

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Metadata

Authors
Bloom, J. S., Khan, Z., Kruglyak, L., Singh, M., & Caudy, A. A.
Venue
BMC Genomics
Published
2009-05-12
Volume
10
Issue
1
Pages
221-221
ISSN
1471-2164 (ISSN-L)
OpenAlex
W1973838650
Cited by
180
References
4
FWCI
8.52
Type
journal article
Language
en
Open access
gold

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Bloom, J. S., Khan, Z., Kruglyak, L., Singh, M., & Caudy, A. A. (2009). Measuring differential gene expression by short read sequencing: quantitative comparison to 2-channel gene expression microarrays. BMC Genomics. https://doi.org/10.1186/1471-2164-10-221

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