Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean

Abstract The crevalle jack Caranx hippos, has a wide distribution in the Western Atlantic, becoming one of the most economically important species in the artisanal fishing industry in Colombia. However, little is known about its biology. The present study aimed to evaluate the variation and genetic structure of C. Hippos in the Colombian Caribbean by analyzing the mitochondrial DNA region control and cytochrome oxidase subunit (COI). We sequenced the DNA of 153 muscle samples collected from specimens obtained from six fishing ports. The results showed 21 haplotypes for COI and 116 haplotypes for the control region, divided into two lineages that do not exhibit a pattern of geographical distribution. For mitochondrial control region, the estimated haplotype diversity (Hd) presented relatively high values (Hd= 0.99 and = 0.1), while for COI results were Hd = 0.68 and = 0.01; the relationship between haplotype and nucleotide diversity and the neutrality test revealed that C. Hippos experienced bottlenecking and a subsequent rapid population expansion. Estimates of genetic structure were low and insignificant, indicating no differentiation between samples collected from geographical isolation. This suggests that for the Colombian Caribbean there is a panmictic population of C. hippos. However, variations were found at population levels, especially in La Guajira, Turbo and San Antero, which, when compared to those included for Brazil and México, demonstrated that unique haplotypes in La Guajira are more aligned to the Brazilian populations, by means of the influence of the Caribbean Current, whilst those from Turbo and San Antero are more frequent in haplotypes originating from Mexico. Future studies should focus the understanding of these processes. Rev. Biol. Trop. 66(1): 122-135. Epub 2018 March 01.

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Main Authors: Caiafa-Hernández,Itala, Narváez-Barandica,Juan, Acero-Pizarro,Arturo
Format: Digital revista
Language:English
Published: Universidad de Costa Rica 2018
Online Access:http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442018000100122
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spelling oai:scielo:S0034-774420180001001222021-04-12Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian CaribbeanCaiafa-Hernández,ItalaNarváez-Barandica,JuanAcero-Pizarro,Arturo crevalle jack population structure mitochondrial DNA genetic variability Abstract The crevalle jack Caranx hippos, has a wide distribution in the Western Atlantic, becoming one of the most economically important species in the artisanal fishing industry in Colombia. However, little is known about its biology. The present study aimed to evaluate the variation and genetic structure of C. Hippos in the Colombian Caribbean by analyzing the mitochondrial DNA region control and cytochrome oxidase subunit (COI). We sequenced the DNA of 153 muscle samples collected from specimens obtained from six fishing ports. The results showed 21 haplotypes for COI and 116 haplotypes for the control region, divided into two lineages that do not exhibit a pattern of geographical distribution. For mitochondrial control region, the estimated haplotype diversity (Hd) presented relatively high values (Hd= 0.99 and = 0.1), while for COI results were Hd = 0.68 and = 0.01; the relationship between haplotype and nucleotide diversity and the neutrality test revealed that C. Hippos experienced bottlenecking and a subsequent rapid population expansion. Estimates of genetic structure were low and insignificant, indicating no differentiation between samples collected from geographical isolation. This suggests that for the Colombian Caribbean there is a panmictic population of C. hippos. However, variations were found at population levels, especially in La Guajira, Turbo and San Antero, which, when compared to those included for Brazil and México, demonstrated that unique haplotypes in La Guajira are more aligned to the Brazilian populations, by means of the influence of the Caribbean Current, whilst those from Turbo and San Antero are more frequent in haplotypes originating from Mexico. Future studies should focus the understanding of these processes. Rev. Biol. Trop. 66(1): 122-135. Epub 2018 March 01.info:eu-repo/semantics/openAccessUniversidad de Costa RicaRevista de Biología Tropical v.66 n.1 20182018-03-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442018000100122en10.15517/rbt.v66i1.25770
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country Costa Rica
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language English
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author Caiafa-Hernández,Itala
Narváez-Barandica,Juan
Acero-Pizarro,Arturo
spellingShingle Caiafa-Hernández,Itala
Narváez-Barandica,Juan
Acero-Pizarro,Arturo
Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
author_facet Caiafa-Hernández,Itala
Narváez-Barandica,Juan
Acero-Pizarro,Arturo
author_sort Caiafa-Hernández,Itala
title Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
title_short Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
title_full Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
title_fullStr Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
title_full_unstemmed Genetic variation and genetic structure of Caranx hippos (Teleostei: Carangidae) in the Colombian Caribbean
title_sort genetic variation and genetic structure of caranx hippos (teleostei: carangidae) in the colombian caribbean
description Abstract The crevalle jack Caranx hippos, has a wide distribution in the Western Atlantic, becoming one of the most economically important species in the artisanal fishing industry in Colombia. However, little is known about its biology. The present study aimed to evaluate the variation and genetic structure of C. Hippos in the Colombian Caribbean by analyzing the mitochondrial DNA region control and cytochrome oxidase subunit (COI). We sequenced the DNA of 153 muscle samples collected from specimens obtained from six fishing ports. The results showed 21 haplotypes for COI and 116 haplotypes for the control region, divided into two lineages that do not exhibit a pattern of geographical distribution. For mitochondrial control region, the estimated haplotype diversity (Hd) presented relatively high values (Hd= 0.99 and = 0.1), while for COI results were Hd = 0.68 and = 0.01; the relationship between haplotype and nucleotide diversity and the neutrality test revealed that C. Hippos experienced bottlenecking and a subsequent rapid population expansion. Estimates of genetic structure were low and insignificant, indicating no differentiation between samples collected from geographical isolation. This suggests that for the Colombian Caribbean there is a panmictic population of C. hippos. However, variations were found at population levels, especially in La Guajira, Turbo and San Antero, which, when compared to those included for Brazil and México, demonstrated that unique haplotypes in La Guajira are more aligned to the Brazilian populations, by means of the influence of the Caribbean Current, whilst those from Turbo and San Antero are more frequent in haplotypes originating from Mexico. Future studies should focus the understanding of these processes. Rev. Biol. Trop. 66(1): 122-135. Epub 2018 March 01.
publisher Universidad de Costa Rica
publishDate 2018
url http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442018000100122
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