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Gene Duplication and Functional Consequences

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Book cover Applied Computational Genomics

Part of the book series: Translational Bioinformatics ((TRBIO,volume 1))

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Abstract

Due to genome-wide or local chromosome duplication events, in almost all organisms, many genes are represented as several paralogs (duplicate genes) in the genome with related but distinct functions (gene families). After accumulating mutations in coding sequences and regulatory regions, duplicate genes may have more opportunity to diversify in protein function and/or regulatory network, leading to an increase of organismal complexity. With the explosive increase of high-throughput data, however, it has been realized that gene duplication is a much more complicated process, and the underlying mechanisms may vary considerably in different organisms. In this chapter, we shall focus on a few important issues related to copy-number variation, gene essentiality, transcriptional, and epigenetic divergence between duplicate genes.

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Correspondence to Xun Gu .

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Gu, X., Zou, Y., Su, Z. (2012). Gene Duplication and Functional Consequences. In: Shugart, Y. (eds) Applied Computational Genomics. Translational Bioinformatics, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5558-1_9

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