Transcriptome Sequencing of the Crab-eating Macaque (Macaca fascicularis)

Crab-eating MacaqueAs a human mimic, the crab-eating macaque (Macaca fascicularis) is an invaluable non-human primate model for biomedical research, but the lack of genetic information on this primate has represented a significant obstacle for its broader use.

Researchers sequenced the transcriptome of 16 tissues and identified genes to resolve the main obstacles for understanding the biological response of the crab-eating macaque. From 4 million reads with 1.4 billion base sequences, 31,786 isotigs containing genes similar to those of humans, 12,672 novel isotigs, and 348,160 singletons were identified using the GS FLX sequencing method. Approximately 86% of human genes were represented among the genes sequenced in this study. Additionally, 175 tissue-specific genes were identified, 81 of which were experimentally validated. In total, 4,314 alternative splicing (AS) events were identified and analyzed. Intriguingly, 10.4% of AS events were associated with transposable element (TE) insertions. Finally, investigation of TE exonization events and evolutionary analysis were conducted, revealing interesting phenomena of human-specific amplified trends in TE exonization events.

  • Huh JW et. al. (2012) Large-scale transcriptome sequencing and gene analyses in the crab-eating macaque (macaca fascicularis) for biomedical research. BMC Genomics [Epub ahead of print]. [abstract]
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