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| Content Provider | PubMed Central |
|---|---|
| Author | Kawaji, Hideya Lizio, Marina Itoh, Masayoshi Mutsumi, Kanamori-katayama Kaiho, Ai Nishiyori-sueki, Hiromi Shin, Jay W. Miki, Kojima-ishiyama Kawano, Mitsuoki Murata, Mitsuyoshi Noriko, Ninomiya-fukuda Sachi, Ishikawa-kato Nagao-sato, Sayaka Noma, Shohei Hayashizaki, Yoshihide Forrest, Alistair R. R. Carninci, Piero |
| Copyright Year | 2014 |
| Abstract | CAGE (cap analysis gene expression) and RNA-seq are two major technologies used to identify transcript abundances as well as structures. They measure expression by sequencing from either the 5′ end of capped molecules (CAGE) or tags randomly distributed along the length of a transcript (RNA-seq). Library protocols for clonally amplified (Illumina, SOLiD, 454 Life Sciences [Roche], Ion Torrent), second-generation sequencing platforms typically employ PCR preamplification prior to clonal amplification, while third-generation, single-molecule sequencers can sequence unamplified libraries. Although these transcriptome profiling platforms have been demonstrated to be individually reproducible, no systematic comparison has been carried out between them. Here we compare CAGE, using both second- and third-generation sequencers, and RNA-seq, using a second-generation sequencer based on a panel of RNA mixtures from two human cell lines to examine power in the discrimination of biological states, detection of differentially expressed genes, linearity of measurements, and quantification reproducibility. We found that the quantified levels of gene expression are largely comparable across platforms and conclude that CAGE and RNA-seq are complementary technologies that can be used to improve incomplete gene models. We also found systematic bias in the second- and third-generation platforms, which is likely due to steps such as linker ligation, cleavage by restriction enzymes, and PCR amplification. This study provides a perspective on the performance of these platforms, which will be a baseline in the design of further experiments to tackle complex transcriptomes uncovered in a wide range of cell types. |
| Related Links | http://dx.doi.org/10.1101/gr.156232.113 |
| Ending Page | 717 |
| Page Count | 10 |
| Starting Page | 708 |
| File Format | |
| ISSN | 10889051 |
| e-ISSN | 15495469 |
| Journal | Genome Research |
| Issue Number | 4 |
| Volume Number | 24 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2014-04-01 |
| Access Restriction | Open |
| Rights Holder | Cold Spring Harbor Laboratory Press |
| Subject Keyword | Genetics(clinical) Genetics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Genetics (clinical) |
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