Abstract

Gene expression data for duplicated gene pairs in humans provides insights into the regulatory factors affecting the expression divergence of these genes and implications for their evolution.

Highlights

  • Gene expression divergence is one manifestation of functional differences between duplicate genes

  • Katju and Lynch [15] demonstrated that more than half of newborn duplicate genes in Caenorhabditis elegans represent not complete, but rather partial or chimeric duplications. Such structural heterogeneity may play an important role in rapid expression divergence between human duplicate genes as well; it has not been considered in detail in previous studies

  • Identification of duplicate genes Utilizing two different methods, FASTA and TRIBE-MCL, we identified 6,536 and 7,027 non-redundant human duplicate gene pairs, respectively

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Summary

Introduction

Gene expression divergence is one manifestation of functional differences between duplicate genes. Genome Biology 2009, Volume 10, Issue 1, Article R10 Park and Makova R10.2 models have been implemented under the assumption that two duplicated gene copies are structurally and functionally identical immediately after duplication. Katju and Lynch [15] demonstrated that more than half of newborn duplicate genes in Caenorhabditis elegans represent not complete, but rather partial or chimeric duplications Such structural heterogeneity may play an important role in rapid expression divergence between human duplicate genes as well; it has not been considered in detail in previous studies

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