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Gene-associated markers provide tools for tackling illegal fishing and false eco-certification 5
Nielsen, Einar E.; Cariani, Alessia; Mac Aoidh, Eoin; Maes, Gregory E.; Milano, Ilaria; Ogden, Rob; Taylor, Martin; Hemmer-hansen, Jakob; Babbucci, Massimiliano; Bargelloni, Luca; Bekkevold, Dorte; Diopere, Eveline; Grenfell, Leonie; Helyar, Sarah; Limborg, Morten T.; Martinsohn, Jann T.; Mcewing, Ross; Panitz, Frank; Patarnello, Tomaso; Tinti, Fausto; Van Houdt, Jeroen K. J.; Volckaert, Filip A. M.; Waples, Robin S.; Carvalho, Gary; Albin, Jan Ej; Vieites Baptista, Juan M; Barmintsev, Vladimir; Bautista, Jose M.; Bendixen, Christian; Berge, Jean-pascal; Blohm, Dietmar; Cardazzo, Barbara; Diez, Amalia; Espineira, Montserrat; Geffen, Audrey J.; Gonzalez, Elena; Gonzalez-lavin, Nerea; Guaniero, Ilaria; Jerome, Marc; Kochzius, Marc; Krey, Grigorius; Mouchel, Olivier; Negrisolo, Enrico; Piccinetti, Corrado; Puyet, Antonio; Rastorguev, Sergey; Smith, Jane P; Trentini, Massimo; Verrez-bagnis, Veronique; Volkov, Alexander; Zanzi, Antonella.
Illegal, Unreported and Unregulated fishing has had a major role in the overexploitation of global fish populations. In response, international regulations have been imposed and many fisheries have been 'eco-certified' by consumer organizations, but methods for independent control of catch certificates and eco-labels are urgently needed. Here we show that, by using gene-associated single nucleotide polymorphisms, individual marine fish can be assigned back to population of origin with unprecedented high levels of precision. By applying high differentiation single nucleotide polymorphism assays, in four commercial marine fish, on a pan-European scale, we find 93-100% of individuals could be correctly assigned to origin in policy-driven case studies. We show...
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Ano: 2012 URL: https://archimer.ifremer.fr/doc/00090/20085/17722.pdf
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Insights into Molecular Features of Venerupis decussata Oocytes: A Microarray-Based Study 5
Pauletto, Marianna; Milan, Massimo; Teixeira De Sousa, Joana; Huvet, Arnaud; Joaquim, Sandra; Matias, Domitilia; Leitao, Alexandra; Patarnello, Tomaso; Bargelloni, Luca.
The production of Venerupis decussata relies on wild seed collection, which has been recently compromised due to recruitment failure and severe mortalities. To address this issue and provide an alternative source of seed, artificial spawning and larval rearing programs were developed. However, hatchery-based seed production is a relatively new industry and it is still underdeveloped. A major hurdle in the European clam seed production is the control of spawning and reproduction, which is further hindered by the impossibility of obtaining fertile gametes by gonadal "stripping'', as meiosis re-initiation is constrained to a maturation process along the genital ducts. In the present study, oocytes were collected from 15 females and microarray analyses was...
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00254/36532/35059.pdf
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Transcriptomic features of Pecten maximus oocyte quality and maturation 5
Pauletto, Marianna; Milan, Massimo; Huvet, Arnaud; Corporeau, Charlotte; Suquet, Marc; Planas, Josep V.; Moreira, Rebeca; Figueras, Antonio; Novoa, Beatriz; Patarnello, Tomaso; Bargelloni, Luca.
The king scallop Pecten maximus is a high valuable species of great interest in Europe for both fishery and aquaculture. Notably, there has been an increased investment to produce seed for enhancement programmes of wild scallop populations. However, hatchery production is a relatively new industry and it is still underdeveloped. Major hurdles are spawning control and gamete quality. In the present study, a total of 14 scallops were sampled in the bay of Brest (Brittany, France) to compare transcriptomic profiles of mature oocytes collected by spawning induction or by stripping. To reach such a goal, a microarray analysis was performed by using a custom 8x60K oligonucleotide microarray representing 45,488 unique scallop contigs. First we identified genes...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00374/48484/48751.pdf
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Understanding the mechanisms involved in the high sensitivity of Pecten maximus larvae to aeration 5
Pauletto, Marianna; Di Camillo, Barbara; Miner, Philippe; Huvet, Arnaud; Quillien, Virgile; Milan, Massimo; Ferraresso, Serena; Pegolo, Sara; Patarnello, Tomaso; Bargelloni, Luca.
Among reared bivalves, some “novel species”, such as the great scallop, Pecten maximus, have experienced more difficulty with routine reproduction due to their high sensitivity to biological, chemical, and physical stress during stages of early development. Working with high larval densities requires the use of aeration systems to provide optimal larval suspension and feed distribution. The high susceptibility of the great scallop to aeration in small-volume systems may impose an important limitation in hatchery-based practices. The present study aimed to investigate the processes impacted by aeration in P. maximus veliger larvae exposed to continuous aeration in small-volume tanks (10 L). Aeration appeared as major stressor that was responsible for early...
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00453/56420/58327.pdf
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