The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark

Abstract Nanos are RNA-binding proteins playing crucial roles in germ cell development and maintenance. Based on phylogenetic and synteny analyses, this study reveals that nanos1 gene has undergone multiple duplications and gene copies losses in Vertebrates. Chondrichthyan species display two nanos1...

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Autores principales:	Laura Gribouval, Pascal Sourdaine, Jean-Jacques Lareyre, Johanna Bellaiche, Florence Le Gac, Sylvie Mazan, Cécile Guiardiere, Pierrïck Auvray, Aude Gautier
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0b3fba8400bc40b9bd42de0109f7d520
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spelling	oai:doaj.org-article:0b3fba8400bc40b9bd42de0109f7d5202021-12-02T11:41:02ZThe nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark10.1038/s41598-018-24643-12045-2322https://doaj.org/article/0b3fba8400bc40b9bd42de0109f7d5202018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-24643-1https://doaj.org/toc/2045-2322Abstract Nanos are RNA-binding proteins playing crucial roles in germ cell development and maintenance. Based on phylogenetic and synteny analyses, this study reveals that nanos1 gene has undergone multiple duplications and gene copies losses in Vertebrates. Chondrichthyan species display two nanos1 genes (named nanos1A/1B), which were both retrieved in some Osteichthyes at basal positions in Sarcopterygii and Actinopterygii lineages. In contrast, Teleosts have lost nanos1A but duplicated nanos1B leading to the emergence of two ohnologs (nanos1Ba/1Bb), whereas Tetrapods have lost nanos1B gene. The two successive nanos gene duplications may result from the second and third whole genome duplication events at the basis of Vertebrates and Teleosts respectively. The expression profiles of nanos1A and nanos1B paralogs were characterized in the dogfish, Scyliorhinus canicula. Nanos1A was strongly expressed in brain and also localized in all germ cell types in the polarized testis. In contrast, nanos1B was detected in testis with the highest expression in the germinative zone. In addition, Nanos1B protein was predominantly located in the nuclei of male germinal cells. In the ovary, both paralogs were detected in germinal and somatic cells. Our study opens new perspectives concerning the complex evolution of nanos1 paralogs and their potential distinct roles in Vertebrates gonads.Laura GribouvalPascal SourdaineJean-Jacques LareyreJohanna BellaicheFlorence Le GacSylvie MazanCécile GuiardierePierrïck AuvrayAude GautierNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-14 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Laura Gribouval Pascal Sourdaine Jean-Jacques Lareyre Johanna Bellaiche Florence Le Gac Sylvie Mazan Cécile Guiardiere Pierrïck Auvray Aude Gautier The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
description	Abstract Nanos are RNA-binding proteins playing crucial roles in germ cell development and maintenance. Based on phylogenetic and synteny analyses, this study reveals that nanos1 gene has undergone multiple duplications and gene copies losses in Vertebrates. Chondrichthyan species display two nanos1 genes (named nanos1A/1B), which were both retrieved in some Osteichthyes at basal positions in Sarcopterygii and Actinopterygii lineages. In contrast, Teleosts have lost nanos1A but duplicated nanos1B leading to the emergence of two ohnologs (nanos1Ba/1Bb), whereas Tetrapods have lost nanos1B gene. The two successive nanos gene duplications may result from the second and third whole genome duplication events at the basis of Vertebrates and Teleosts respectively. The expression profiles of nanos1A and nanos1B paralogs were characterized in the dogfish, Scyliorhinus canicula. Nanos1A was strongly expressed in brain and also localized in all germ cell types in the polarized testis. In contrast, nanos1B was detected in testis with the highest expression in the germinative zone. In addition, Nanos1B protein was predominantly located in the nuclei of male germinal cells. In the ovary, both paralogs were detected in germinal and somatic cells. Our study opens new perspectives concerning the complex evolution of nanos1 paralogs and their potential distinct roles in Vertebrates gonads.
format	article
author	Laura Gribouval Pascal Sourdaine Jean-Jacques Lareyre Johanna Bellaiche Florence Le Gac Sylvie Mazan Cécile Guiardiere Pierrïck Auvray Aude Gautier
author_facet	Laura Gribouval Pascal Sourdaine Jean-Jacques Lareyre Johanna Bellaiche Florence Le Gac Sylvie Mazan Cécile Guiardiere Pierrïck Auvray Aude Gautier
author_sort	Laura Gribouval
title	The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
title_short	The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
title_full	The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
title_fullStr	The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
title_full_unstemmed	The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark
title_sort	nanos1 gene was duplicated in early vertebrates and the two paralogs show different gonadal expression profiles in a shark
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/0b3fba8400bc40b9bd42de0109f7d520
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The nanos1 gene was duplicated in early Vertebrates and the two paralogs show different gonadal expression profiles in a shark

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