期刊
BIOESSAYS
卷 36, 期 5, 页码 475-481出版社
WILEY
DOI: 10.1002/bies.201300181
关键词
pseudogene; retrocopy; retrogene; retrotransposition
资金
- Australian NHMRC Career Development Fellowship [GNT1045237]
- NHMRC [GNT1042449, GNT1045991, GNT1052303]
- European Union's Seventh Framework Programme underpinning the MODHEP consortium [259743]
Gene retrocopies are generated by reverse transcription and genomic integration of mRNA. As such, retrocopies present an important exception to the central dogma of molecular biology, and have substantially impacted the functional landscape of the metazoan genome. While an estimated 8,000-17,000 retrocopies exist in the human genome reference sequence, the extent of variation between individuals in terms of retrocopy content has remained largely unexplored. Three recent studies by Abyzov et al., Ewing et al. and Schrider et al. have exploited 1,000 Genomes Project Consortium data, as well as other sources of whole-genome sequencing data, to uncover novel gene retrocopies. Here, we compare the methods and results of these three studies, highlight the impact of retrocopies in human diversity and genome evolution, and speculate on the potential for somatic gene retrocopies to impact cancer etiology and genetic diversity among individual neurons in the mammalian brain.
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