A computational approach for identifying pseudogenes in the ENCODE regions.
A computational approach for identifying pseudogenes in the ENCODE regions.
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DOI:
10.1186/gb-2006-7-s1-s13
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发表时间:
2006
期刊:
影响因子:
12.3
通讯作者:
Gerstein MB
中科院分区:
文献类型:
--
作者:
Zheng D;Gerstein MB
Pseudogenes are inheritable genetic elements showing sequence similarity to functional genes but with deleterious mutations. We describe a computational pipeline for identifying them, which in contrast to previous work explicitly uses intron-exon structure in parent genes to classify pseudogenes. We require alignments between duplicated pseudogenes and their parents to span intron-exon junctions, and this can be used to distinguish between true duplicated and processed pseudogenes (with insertions). Applying our approach to the ENCODE regions, we identify about 160 pseudogenes, 10% of which have clear 'intron-exon' structure and are thus likely generated from recent duplications. Detailed examination of our results and comparison of our annotation with the GENCODE reference annotation demonstrate that our computation pipeline provides a good balance between identifying all pseudogenes and delineating the precise structure of duplicated genes.
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