Unknown,Transcriptomics,Genomics,Proteomics

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Deep surveying of alternative splicing complexity in the human transcriptome by high-throughput sequencing


ABSTRACT: We carried out the first analysis of alternative splicing complexity in human tissues using mRNA-Seq data. New splice junctions were detected in 20% of multiexon genes, many of which are tissue specific. By combining mRNA-Seq and EST-cDNA sequence data, we estimate that transcripts from 95% of multiexon genes undergo alternative splicing and that there are 100,000 intermediate- to high-abundance alternative splicing events in major human tissues. From a comparison with quantitative alternative splicing microarray profiling data, we also show that mRNA-Seq data provide reliable measurements for exon inclusion levels. Keywords: mRNA expression 32-nucleotide sequence reads from six human tissues including brain, cerebral cortex, heart, liver, lung and skeletal muscle.

ORGANISM(S): Homo sapiens

SUBMITTER: Weijun Gao 

PROVIDER: E-GEOD-13652 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Deep surveying of alternative splicing complexity in the human transcriptome by high-throughput sequencing.

Pan Qun Q   Shai Ofer O   Lee Leo J LJ   Frey Brendan J BJ   Blencowe Benjamin J BJ  

Nature genetics 20081102 12


We carried out the first analysis of alternative splicing complexity in human tissues using mRNA-Seq data. New splice junctions were detected in approximately 20% of multiexon genes, many of which are tissue specific. By combining mRNA-Seq and EST-cDNA sequence data, we estimate that transcripts from approximately 95% of multiexon genes undergo alternative splicing and that there are approximately 100,000 intermediate- to high-abundance alternative splicing events in major human tissues. From a  ...[more]

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