Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum

Abstract As a marine organism, the oyster Crassostrea gigas inhabits a complex biotope governed by interactions between the moon and the sun cycles. We used next-generation sequencing to investigate temporal regulation of oysters under light/dark entrainment and the impact of harmful algal exposure....

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Autores principales:	Laura Payton, Mickael Perrigault, Claire Hoede, Jean-Charles Massabuau, Mohamedou Sow, Arnaud Huvet, Floriane Boullot, Caroline Fabioux, Hélène Hegaret, Damien Tran
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cd70bb83bdfe49f7ac90052e1649d3e0
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spelling	oai:doaj.org-article:cd70bb83bdfe49f7ac90052e1649d3e02021-12-02T11:53:00ZRemodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum10.1038/s41598-017-03797-42045-2322https://doaj.org/article/cd70bb83bdfe49f7ac90052e1649d3e02017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03797-4https://doaj.org/toc/2045-2322Abstract As a marine organism, the oyster Crassostrea gigas inhabits a complex biotope governed by interactions between the moon and the sun cycles. We used next-generation sequencing to investigate temporal regulation of oysters under light/dark entrainment and the impact of harmful algal exposure. We found that ≈6% of the gills’ transcriptome exhibits circadian expression, characterized by a nocturnal and bimodal pattern. Surprisingly, a higher number of ultradian transcripts were also detected under solely circadian entrainment. The results showed that a bloom of Alexandrium minutum generated a remodeling of the bivalve’s temporal structure, characterized by a loss of oscillations, a genesis of de novo oscillating transcripts, and a switch in the period of oscillations. These findings provide unprecedented insights into the diurnal landscape of the oyster’s transcriptome and pleiotropic remodeling due to toxic algae exposure, revealing the intrinsic plasticity of the cycling transcriptome in oysters.Laura PaytonMickael PerrigaultClaire HoedeJean-Charles MassabuauMohamedou SowArnaud HuvetFloriane BoullotCaroline FabiouxHélène HegaretDamien TranNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Laura Payton Mickael Perrigault Claire Hoede Jean-Charles Massabuau Mohamedou Sow Arnaud Huvet Floriane Boullot Caroline Fabioux Hélène Hegaret Damien Tran Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
description	Abstract As a marine organism, the oyster Crassostrea gigas inhabits a complex biotope governed by interactions between the moon and the sun cycles. We used next-generation sequencing to investigate temporal regulation of oysters under light/dark entrainment and the impact of harmful algal exposure. We found that ≈6% of the gills’ transcriptome exhibits circadian expression, characterized by a nocturnal and bimodal pattern. Surprisingly, a higher number of ultradian transcripts were also detected under solely circadian entrainment. The results showed that a bloom of Alexandrium minutum generated a remodeling of the bivalve’s temporal structure, characterized by a loss of oscillations, a genesis of de novo oscillating transcripts, and a switch in the period of oscillations. These findings provide unprecedented insights into the diurnal landscape of the oyster’s transcriptome and pleiotropic remodeling due to toxic algae exposure, revealing the intrinsic plasticity of the cycling transcriptome in oysters.
format	article
author	Laura Payton Mickael Perrigault Claire Hoede Jean-Charles Massabuau Mohamedou Sow Arnaud Huvet Floriane Boullot Caroline Fabioux Hélène Hegaret Damien Tran
author_facet	Laura Payton Mickael Perrigault Claire Hoede Jean-Charles Massabuau Mohamedou Sow Arnaud Huvet Floriane Boullot Caroline Fabioux Hélène Hegaret Damien Tran
author_sort	Laura Payton
title	Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
title_short	Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
title_full	Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
title_fullStr	Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
title_full_unstemmed	Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum
title_sort	remodeling of the cycling transcriptome of the oyster crassostrea gigas by the harmful algae alexandrium minutum
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cd70bb83bdfe49f7ac90052e1649d3e0
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Remodeling of the cycling transcriptome of the oyster Crassostrea gigas by the harmful algae Alexandrium minutum

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