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Genes 2017, 8(10), 260; doi:10.3390/genes8100260

Intercompartmental Piecewise Gene Transfer

Department of Molecular and Human Genetics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
Received: 31 August 2017 / Revised: 25 September 2017 / Accepted: 28 September 2017 / Published: 6 October 2017
(This article belongs to the Special Issue Horizontal Gene Transfer)
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Abstract

Gene relocation from the residual genomes of organelles to the nuclear genome still continues, although as a scaled down evolutionary phenomenon, limited in occurrence mostly to protists (sensu lato) and land plants. During this process, the structural integrity of transferred genes is usually preserved. However, the relocation of mitochondrial genes that code for respiratory chain and ribosomal proteins is sometimes associated with their fragmentation into two complementary genes. Herein, this review compiles cases of piecewise gene transfer from the mitochondria to the nucleus, and discusses hypothesized mechanistic links between the fission and relocation of those genes. View Full-Text
Keywords: endosymbiotic gene transfer; mobile elements; functional gene fragmentation; mitochondrial DNA endosymbiotic gene transfer; mobile elements; functional gene fragmentation; mitochondrial DNA
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Szafranski, P. Intercompartmental Piecewise Gene Transfer. Genes 2017, 8, 260.

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