Development and Characterization of Microsatellite Markers for the Euryhaline Polychaete Laeonereis acuta (Annelida: Nereididae) in the Southwestern Brazilian Coast.

Pedro Caldas Esperon Carvalho, Paulo Cesar Paiva, Victor Corrêa Seixas

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Article in Biochemical genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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3 authors.

Pedro Caldas Esperon CarvalhoLaboratório de Ecologia e Evolução Molecular, Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brasil.

Paulo Cesar PaivaLaboratório TAXOn, Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil.ORCID http://orcid.org/0000-0003-1061-6549

Victor Corrêa SeixasLaboratório de Ecologia e Evolução Molecular, Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brasil. vcseixas@id.uff.br.ORCID http://orcid.org/0000-0002-2067-9490

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Laeonereis acuta is a polychaete species typically found at high abundance in estuarine and coastal lagoon environments. Due to its association with polluted habitats, it is commonly used in ecotoxicological studies. Moreover, its occurrence in spatially discontinuous environments with high environmental variability makes it a suitable model for evolutionary studies of local adaptation, genetic landscape, and early stages of speciation. This study aimed to develop primers and characterize microsatellite markers for L. acuta sampled from three coastal lagoons in southwestern Brazil. A total of 10 loci were characterized based on the genotyping of 40 individuals. The number of alleles per locus ranged from 2 to 19. Evidence of null alleles was detected at five loci, although their frequency decreased when coastal lagoons were analyzed separately. When considering all individuals as a single population, five loci showed positive and significant F

Indexed as

Microsatellite RepeatsPolychaetaAnimalsBrazilPolymorphism, GeneticAnnelidaCoastal lagoonsGenetic diversityMolecular markersPopulation genetics

Identifiers

PMID41910901

DOI10.1007/s10528-026-11364-8

PMCPMC13547163

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