Genetic diversity and population structure of the commercially harvested sea urchin<i>Paracentrotus lividus</i>(Echinodermata, Echinoidea)

Durán, Sandra M.; Palacín, Creu; Becerro, Mikel A.; Turon, Xavier; Giribet, Gonzalo

doi:10.1111/j.1365-294x.2004.02338.x

Cited by 138 publications

(131 citation statements)

References 84 publications

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“…Other studies on echinoderms have obtained similar results for sequences of the mitochondrial cytochrome c oxidase subregion I (COI) (e.g., McCartney et al 2000;Uthicke and Benzie 2003;Duran et al 2004a). In marine invertebrates with large population sizes numerous haplotypes can be retained during periods of population growth or expansion (Watterson 1984).…”

Section: Within Population Variabilitysupporting

confidence: 61%

“…Many studies have used indirect genetic tools such as mitochondrial DNA (mtDNA), nuclear DNA or a combination of the two to analyze genetic structure in high dispersal Atlanto-Mediterranean invertebrates (e.g., Féral et al 1995;Zane et al 2000;Launey et al 2002;Diaz-Almela et al 2004;Duran et al 2004a;Roman and Palumbi 2004;Stamatis et al 2004;Triantafyllidis et al 2005;Peijnenburg et al 2006;Calderon et al 2008). Differing conclusions regarding the influence of the Atlantic-Mediterranean division on population structuring were drawn in these studies depending not only on the species investigated but also on the genetic markers used and the sampling pattern.…”

Section: Introductionmentioning

confidence: 99%

“…Differing conclusions regarding the influence of the Atlantic-Mediterranean division on population structuring were drawn in these studies depending not only on the species investigated but also on the genetic markers used and the sampling pattern. For instance, only moderate genetic differentiation was revealed between Atlantic and Mediterranean populations of the sea urchin Paracentrotus lividus based on mtDNA sequences (Duran et al 2004a), whereas a sharp break was detected between the two basins when combining mitochondrial and nuclear markers and applying a more extensive sampling (Calderon et al 2008). Based on allozymes and 28S rRNA sequence data, a clear separation was also detected in the sea urchin Echinocardium cordatum (Féral et al 1995).…”

Section: Introductionmentioning

confidence: 99%

“…The role of the Atlantic-Mediterranean division as a potential barrier to gene flow has increasingly been investigated for various planktotrophic invertebrate species (e.g., Borsa et al 1997;Launey et al 2002;DiazAlmela et al 2004;Duran et al 2004a;Stamatis et al 2004Stamatis et al , 2006Saavedra and Pena 2005;Calderon et al 2008). While the Strait of Gibraltar geographically divides the two basins, the Almería-Oran front is thought to be a genetic separation area.…”

Section: Introductionmentioning

confidence: 99%

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Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci

et al. 2009

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Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci AbstractTo investigate the impact of potential marine barriers on gene-flow in high dispersal marine invertebrates, we assessed the population genetic structure of the sea star Astropecten aranciacus. Samples were obtained from nine locations within the Atlantic and the Mediterranean Sea including populations east of the Siculo-Tunisian Strait. We obtained both DNA sequence data of the mitochondrial control region and genotype data at four microsatellite loci. Both markers were highly polymorphic and showed a great level of genetic diversity. Genetic differentiation between populations (F (ST)) was in general low, particularly for nuclear data, as is often the case in high dispersal marine invertebrates. Nevertheless, both marker sets indicated a significant genetic differentiation of the population from the island of Madeira to most other populations. Our results also demonstrate a clear pattern of isolation-by-distance supported by both mitochondrial and nuclear markers. Therefore, we conclude that larval dispersal of A. aranciacus is somewhat limited even within the basins of the Atlantic, the west Mediterranean and the east Mediterranean. Microsatellite loci further revealed genetic differentiation between the three basins; however, it is not clear whether this is truly caused by marine barriers. Genetic differentiation between basins might also be a result of isolation-by-distance allowing for any grouping to be significant as long as geographical neighbors are clustered together. Although levels of genetic differentiation were less pronounced in mirosatellite data, both datasets were coherent and revealed similar patterns of genetic structure in A. aranciacus. 1Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci Deborah E. Zulliger, Samuel Tanner, Markus Ruch and Georg Ribi AbstractTo investigate the impact of potential marine barriers on gene flow in high dispersal marine invertebrates, we assessed the population genetic structure of the sea star Astropecten aranciacus. Samples were obtained from nine locations within the Atlantic and the Mediterranean Sea including populations east of the Siculo-Tunisian Strait. We obtained both DNA sequence data of the mitochondrial control region and genotype data at four microsatellite loci. Both markers were highly polymorphic and showed a great level of genetic diversity. Genetic differentiation between populations (F ST ) was in general low, particularly for nuclear data, as is often the case in high dispersal marine invertebrates. Nevertheless, both marker sets indicated a significant genetic differentiation of the population from the island of Madeira to most other populations. Our results also demonstrate a clear pattern of isolation-by-distance supported by both mitochondrial and nuclear markers. The...

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Section: Within Population Variabilitysupporting

confidence: 61%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci

et al. 2009

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“…The cytochrome c oxidase I (COI) gene has been widely used in marine invertebrates offering a good level of genetic variation suitable for analyses at different scales (Tarjuelo et al 2001;Pérez-Portela and Turon 2008), from phylogenetic to population genetic analyses (Avise 2000), and being able to retain the signature of both past and present demographic events that affected the populations and species (Duran et al 2004). Moreover, this gene has successfully been used in echinoderm species making our results comparable with those previously observed for other species (see e.g.…”

Section: Introductionmentioning

confidence: 99%

Phylogeography of the sea star Marthasterias glacialis (Asteroidea, Echinodermata): deep genetic divergence between mitochondrial lineages in the north-western mediterranean

2010

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We explore the phylogeography of the broadcast spawner Marthasterias glacialis along south Europe and Azores. Sequences of the cytochrome c oxidase gene from 225 specimens, belonging to 10 localities, were analysed. We found 73 haplotypes grouped within two lineages (divergence 2.9%). One lineage was AtlantoMediterranean, whereas another one was exclusively Mediterranean. Estimation of lineages split goes back to 830,000-580,000 (±120,000) years ago. This suggests that sea-level oscillations during the Pleistocene glaciations promoted gene flow interruption, lineage divergence between basins and cryptic speciation. Secondary contact between populations allowed a recolonization of the Mediterranean by the Atlantic lineage. When animals of the Atlanto-Mediterranean lineage were considered separately, F st index and AMOVA did not show significant differences between populations along either the Iberian Peninsula or basins. Isolation by distance between populations was not detected, and only populations of Plymouth and Azores showed significant differences to all the others.The remoteness of Azores islands might explain the structure of this population. Haphazard arrival of larvae and local extinctions rather than contemporary restricted gene flow might be responsible for the distinctive population structure of Plymouth.

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Mitochondrial DNA analyses of Donax trunculus (Mollusca: Bivalvia) population structure in the Iberian Peninsula, a bivalve with high commercial importance

Fernández-Pérez

Nantón

Arias‐Pérez

et al. 2018

Aquatic Conservation

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1. The wedge clam, Donax trunculus (Linnaeus, 1758), is an ecologically and economically important species found in the warm waters of the Atlantic and Mediterranean areas. Donax trunculus has been suffering from a severe population decline in some wild stocks of the Iberian Peninsula, and genetic monitoring of wild populations can provide valuable information to support conservation measures and management policies.2. In this study, mitochondrial 16S rDNA (16S) and cytochrome b (Cytb) gene variation was examined at 18 localities across the Iberian Peninsula to test whether the patterns of genetic diversity, population structure, and demographic inferences previously deduced by using microsatellites are supported by these molecular markers. 3. Samples (N = 557) were collected from 18 localities of the Iberian Peninsula and attention was paid to the north-western Atlantic area, where wild stocks have diminished greatly. Analysis of molecular variance, fixation index ( F ST ), and demographic inferences were estimated based on mitochondrial DNA. Since D. trunculus shows doubly uniparental inheritance, both types of mitochondrial DNA (F and M) were analysed. 4. A high level of genetic diversity was detected using the haplotype diversity dataset, showing different geographic patterns. 5. F ST values for the M type revealed significant differentiation between populations on both sides of the Almeria-Oran front, and between the locality from the Alboran Sea (FU) and localities from the Atlantic Ocean. However, the F type did not detect the differentiation of FU. This makes the M genome sequences more suitable for investigating genetic structure of D. trunculus populations. 6. Management and recovering strategies of this important resource should consider the genetic structure observed. 7. Several strategies for conservation and management of this commercial and ecologically important bivalve are proposed. * Both authors contributed equally to this work.

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Genetic diversity and population structure of the commercially harvested sea urchinParacentrotus lividus(Echinodermata, Echinoidea)

Cited by 138 publications

References 84 publications

Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci

Genetic structure of the high dispersal Atlanto-Mediterreanean sea star Astropecten aranciacus revealed by mitochondrial DNA sequences and microsatellite loci

Phylogeography of the sea star Marthasterias glacialis (Asteroidea, Echinodermata): deep genetic divergence between mitochondrial lineages in the north-western mediterranean

Mitochondrial DNA analyses of Donax trunculus (Mollusca: Bivalvia) population structure in the Iberian Peninsula, a bivalve with high commercial importance

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