Vitellogenin and vitellogenin receptor gene expression and 20-hydroxyecdysone concentration in Macrobrachium rosenbergii exposed to chlordecone.
Identifieur interne : 000030 ( Main/Exploration ); précédent : 000029; suivant : 000031Vitellogenin and vitellogenin receptor gene expression and 20-hydroxyecdysone concentration in Macrobrachium rosenbergii exposed to chlordecone.
Auteurs : Anne Lafontaine [Belgique] ; Marc Hanikenne [Belgique] ; Céline Boulangé-Lecomte [France] ; Joëlle Forget-Leray [France] ; Jean-Pierre Thomé [Belgique] ; Eric Gismondi [Belgique]Source :
- Environmental science and pollution research international [ 1614-7499 ] ; 2016.
Abstract
Chlordecone is a persistent organochlorine pesticide widely used in Guadeloupe (French West Indies) to control the banana weevil Cosmopolites sordidus. Although it was previously highlighted that chlordecone may affect the reproduction and growth of vertebrate species, little information is available on the chlordecone effects in invertebrates. The present study investigated the effects of chlordecone on a hormone and a protein having key roles in reproduction and growth of the decapod crustacean Macrobrachium rosenbergii, by measuring the 20-hydroxyecdysone concentration, vitellogenin, and vitellogenin receptor gene expression, as well as the bioconcentration of chlordecone in exposed prawns. First, the results revealed that chlordecone was accumulated in M. rosenbergii. Then, it was found that Vg and VgR gene expression were increased in male and female M. rosenbergii exposed to chlordecone for 90 and 240 days, while the 20-hydroxyecdysone concentrations were decreased. This work suggests that chlordecone accumulates in prawn tissues and could affect key molecules involved in the reproduction and the growth of the invertebrate M. rosenbergii. However, many questions remain unresolved regarding the impacts of chlordecone on growth and reproduction and the signaling pathways responsible for these effects, as well as the potential role of confounding factors present in in situ studies.
DOI: 10.1007/s11356-016-7273-1
PubMed: 27470247
Affiliations:
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wicri:level="1"><nlm:affiliation>Laboratory of Animal Ecology and Ecotoxicology (LEAE), Centre of Analytical Research and Technology (CART), University of Liège, 15 Allée du Six Aout, 4000, Liège, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Laboratory of Animal Ecology and Ecotoxicology (LEAE), Centre of Analytical Research and Technology (CART), University of Liège, 15 Allée du Six Aout, 4000, Liège</wicri:regionArea><wicri:noRegion>Liège</wicri:noRegion></affiliation></author></analytic><series><title level="j">Environmental science and pollution research international</title><idno type="eISSN">1614-7499</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Chlordecone is a persistent organochlorine pesticide widely used in Guadeloupe (French West Indies) to control the banana weevil Cosmopolites sordidus. Although it was previously highlighted that chlordecone may affect the reproduction and growth of vertebrate species, little information is available on the chlordecone effects in invertebrates. The present study investigated the effects of chlordecone on a hormone and a protein having key roles in reproduction and growth of the decapod crustacean Macrobrachium rosenbergii, by measuring the 20-hydroxyecdysone concentration, vitellogenin, and vitellogenin receptor gene expression, as well as the bioconcentration of chlordecone in exposed prawns. First, the results revealed that chlordecone was accumulated in M. rosenbergii. Then, it was found that Vg and VgR gene expression were increased in male and female M. rosenbergii exposed to chlordecone for 90 and 240 days, while the 20-hydroxyecdysone concentrations were decreased. This work suggests that chlordecone accumulates in prawn tissues and could affect key molecules involved in the reproduction and the growth of the invertebrate M. rosenbergii. However, many questions remain unresolved regarding the impacts of chlordecone on growth and reproduction and the signaling pathways responsible for these effects, as well as the potential role of confounding factors present in in situ studies.</div></front></TEI><affiliations><list><country><li>Belgique</li><li>France</li></country><region><li>Haute-Normandie</li><li>Région Normandie</li></region><settlement><li>Le Havre</li></settlement></list><tree><country name="Belgique"><noRegion><name sortKey="Lafontaine, Anne" sort="Lafontaine, Anne" uniqKey="Lafontaine A" first="Anne" last="Lafontaine">Anne Lafontaine</name></noRegion><name sortKey="Gismondi, Eric" sort="Gismondi, Eric" uniqKey="Gismondi E" first="Eric" last="Gismondi">Eric Gismondi</name><name sortKey="Hanikenne, Marc" sort="Hanikenne, Marc" uniqKey="Hanikenne M" first="Marc" last="Hanikenne">Marc Hanikenne</name><name sortKey="Thome, Jean Pierre" sort="Thome, Jean Pierre" uniqKey="Thome J" first="Jean-Pierre" last="Thomé">Jean-Pierre Thomé</name></country><country name="France"><region name="Région Normandie"><name sortKey="Boulange Lecomte, Celine" sort="Boulange Lecomte, Celine" uniqKey="Boulange Lecomte C" first="Céline" last="Boulangé-Lecomte">Céline Boulangé-Lecomte</name></region><name sortKey="Forget Leray, Joelle" sort="Forget Leray, Joelle" uniqKey="Forget Leray J" first="Joëlle" last="Forget-Leray">Joëlle Forget-Leray</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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