Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?

The increasing availability of fish genome sequences has allowed to gain new insights into the diversity and host distribution of retroviruses in fish and other vertebrates. This distribution can be assessed through the identification and analysis of endogenous retroviruses, which are proviral remna...

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Main Authors: Magali Naville, Jean-Nicolas VOLFF
Format: Article
Language:English
Published: Frontiers Media S.A. 2016-08-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.01197/full
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author Magali Naville
Jean-Nicolas VOLFF
author_facet Magali Naville
Jean-Nicolas VOLFF
author_sort Magali Naville
collection DOAJ
description The increasing availability of fish genome sequences has allowed to gain new insights into the diversity and host distribution of retroviruses in fish and other vertebrates. This distribution can be assessed through the identification and analysis of endogenous retroviruses, which are proviral remnants of past infections integrated in genomes. Retroviral sequences are probably important for evolution through their ability to induce rearrangements and to contribute regulatory and coding sequences; they may also protect their host against new infections. We argue that the current mass of genome sequences will soon strongly improve our understanding of retrovirus diversity and evolution in aquatic animals, with the identification of new/re-emerging elements and host resistance genes that restrict their infectivity.
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spelling doaj.art-26c246b24aa040f2b259f9742a8b8fcb2022-12-21T19:25:48ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2016-08-01710.3389/fmicb.2016.01197215719Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?Magali Naville0Jean-Nicolas VOLFF1Institut de Génomique Fonctionnelle de LyonInstitut de Génomique Fonctionnelle de LyonThe increasing availability of fish genome sequences has allowed to gain new insights into the diversity and host distribution of retroviruses in fish and other vertebrates. This distribution can be assessed through the identification and analysis of endogenous retroviruses, which are proviral remnants of past infections integrated in genomes. Retroviral sequences are probably important for evolution through their ability to induce rearrangements and to contribute regulatory and coding sequences; they may also protect their host against new infections. We argue that the current mass of genome sequences will soon strongly improve our understanding of retrovirus diversity and evolution in aquatic animals, with the identification of new/re-emerging elements and host resistance genes that restrict their infectivity.http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.01197/fullEndogenous RetrovirusesFishesGenomeRetroviridaeSharksViruses
spellingShingle Magali Naville
Jean-Nicolas VOLFF
Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
Frontiers in Microbiology
Endogenous Retroviruses
Fishes
Genome
Retroviridae
Sharks
Viruses
title Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
title_full Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
title_fullStr Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
title_full_unstemmed Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
title_short Endogenous retroviruses in fish genomes: from relics of past infections to evolutionary innovations?
title_sort endogenous retroviruses in fish genomes from relics of past infections to evolutionary innovations
topic Endogenous Retroviruses
Fishes
Genome
Retroviridae
Sharks
Viruses
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.01197/full
work_keys_str_mv AT magalinaville endogenousretrovirusesinfishgenomesfromrelicsofpastinfectionstoevolutionaryinnovations
AT jeannicolasvolff endogenousretrovirusesinfishgenomesfromrelicsofpastinfectionstoevolutionaryinnovations