Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil
The mullet Mugil liza is distributed along the Atlantic coast of South America, from Argentina to Venezuela, and it is heavily exploited in Brazil. We assessed patterns of distribution of neutral nuclear genetic variation in 250 samples from the Brazilian states of Rio de Janeiro, São Paulo, Santa C...
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todo:paper_02727714_v149_n_p80_Mai2023-10-03T15:15:18Z Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil Mai, A.C.G. Miño, C.I. Marins, L.F.F. Monteiro-Neto, C. Miranda, L. Schwingel, P.R. Lemos, V.M. Gonzalez-Castro, M. Castello, J.P. Vieira, J.P. Fisheries management Gene flow Genetic diversity Migratory fishes Mullet SSR markers allele demographic survey fish genetic differentiation genetic structure population distribution demography finfish fishery management gene flow genetic marker migratory behavior population structure Argentina Atlantic Coast [South America] Brazil Mugil liza Mugilidae Pisces Teleostei The mullet Mugil liza is distributed along the Atlantic coast of South America, from Argentina to Venezuela, and it is heavily exploited in Brazil. We assessed patterns of distribution of neutral nuclear genetic variation in 250 samples from the Brazilian states of Rio de Janeiro, São Paulo, Santa Catarina and Rio Grande do Sul (latitudinal range of 23-31°S) and from Buenos Aires Province in Argentina (36°S). Nine microsatellite loci revealed 131 total alleles, 3-23 alleles per locus, He: 0.69 and Ho: 0.67. Significant genetic differentiation was observed between Rio de Janeiro samples (23°S) and those from all other locations, as indicated by F st , hierarchical analyses of genetic structure, Bayesian cluster analyses and assignment tests. The presence of two different demographic clusters better explains the allelic diversity observed in mullets from the southernmost portion of the Atlantic coast of Brazil and from Argentina. This may be taken into account when designing fisheries management plans involving Brazilian, Uruguayan and Argentinean M. liza populations. © 2014 Elsevier Ltd. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_02727714_v149_n_p80_Mai |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Fisheries management Gene flow Genetic diversity Migratory fishes Mullet SSR markers allele demographic survey fish genetic differentiation genetic structure population distribution demography finfish fishery management gene flow genetic marker migratory behavior population structure Argentina Atlantic Coast [South America] Brazil Mugil liza Mugilidae Pisces Teleostei |
spellingShingle |
Fisheries management Gene flow Genetic diversity Migratory fishes Mullet SSR markers allele demographic survey fish genetic differentiation genetic structure population distribution demography finfish fishery management gene flow genetic marker migratory behavior population structure Argentina Atlantic Coast [South America] Brazil Mugil liza Mugilidae Pisces Teleostei Mai, A.C.G. Miño, C.I. Marins, L.F.F. Monteiro-Neto, C. Miranda, L. Schwingel, P.R. Lemos, V.M. Gonzalez-Castro, M. Castello, J.P. Vieira, J.P. Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
topic_facet |
Fisheries management Gene flow Genetic diversity Migratory fishes Mullet SSR markers allele demographic survey fish genetic differentiation genetic structure population distribution demography finfish fishery management gene flow genetic marker migratory behavior population structure Argentina Atlantic Coast [South America] Brazil Mugil liza Mugilidae Pisces Teleostei |
description |
The mullet Mugil liza is distributed along the Atlantic coast of South America, from Argentina to Venezuela, and it is heavily exploited in Brazil. We assessed patterns of distribution of neutral nuclear genetic variation in 250 samples from the Brazilian states of Rio de Janeiro, São Paulo, Santa Catarina and Rio Grande do Sul (latitudinal range of 23-31°S) and from Buenos Aires Province in Argentina (36°S). Nine microsatellite loci revealed 131 total alleles, 3-23 alleles per locus, He: 0.69 and Ho: 0.67. Significant genetic differentiation was observed between Rio de Janeiro samples (23°S) and those from all other locations, as indicated by F st , hierarchical analyses of genetic structure, Bayesian cluster analyses and assignment tests. The presence of two different demographic clusters better explains the allelic diversity observed in mullets from the southernmost portion of the Atlantic coast of Brazil and from Argentina. This may be taken into account when designing fisheries management plans involving Brazilian, Uruguayan and Argentinean M. liza populations. © 2014 Elsevier Ltd. |
format |
JOUR |
author |
Mai, A.C.G. Miño, C.I. Marins, L.F.F. Monteiro-Neto, C. Miranda, L. Schwingel, P.R. Lemos, V.M. Gonzalez-Castro, M. Castello, J.P. Vieira, J.P. |
author_facet |
Mai, A.C.G. Miño, C.I. Marins, L.F.F. Monteiro-Neto, C. Miranda, L. Schwingel, P.R. Lemos, V.M. Gonzalez-Castro, M. Castello, J.P. Vieira, J.P. |
author_sort |
Mai, A.C.G. |
title |
Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
title_short |
Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
title_full |
Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
title_fullStr |
Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
title_full_unstemmed |
Microsatellite variation and genetic structuring in Mugil liza (Teleostei: Mugilidae) populations from Argentina and Brazil |
title_sort |
microsatellite variation and genetic structuring in mugil liza (teleostei: mugilidae) populations from argentina and brazil |
url |
http://hdl.handle.net/20.500.12110/paper_02727714_v149_n_p80_Mai |
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