A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations

Abstract Analysing pig class II mayor histocompatibility complex (MHC) molecules is mainly related to antigen presentation. Identifying frequently-occurring alleles in pig populations is an important aspect to be considered when developing peptide-based vaccines. Colombian creole pig populations hav...

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Autores principales: Carmen Teresa Celis-Giraldo, Michel David Bohórquez, Milena Camargo, Carlos Fernando Suárez, Anny Camargo, Kewin Rodríguez-Obediente, Alejandra Martínez, Carlos Edmundo Lucero, Byron Hernández, Raúl Manzano-Román, Manuel Alfonso Patarroyo
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:1043fc0567c441759ea818f79f8d1e2e2021-12-02T16:23:21ZA comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations10.1038/s41598-021-83637-82045-2322https://doaj.org/article/1043fc0567c441759ea818f79f8d1e2e2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83637-8https://doaj.org/toc/2045-2322Abstract Analysing pig class II mayor histocompatibility complex (MHC) molecules is mainly related to antigen presentation. Identifying frequently-occurring alleles in pig populations is an important aspect to be considered when developing peptide-based vaccines. Colombian creole pig populations have had to adapt to local conditions since entering Colombia; a recent census has shown low amounts of pigs which is why they are considered protected by the Colombian government. Commercial hybrids are more attractive regarding production. This research has been aimed at describing the allele distribution of Colombian pigs from diverse genetic backgrounds and comparing Colombian SLA-DRB1 locus diversity to that of internationally reported populations. Twenty SLA-DRB1 alleles were identified in the six populations analysed here using sequence-based typing. The amount of alleles ranged from six (Manta and Casco Mula) to nine (San Pedreño). Only one allele (01:02) having > 5% frequency was shared by all three commercial line populations. Allele 02:01:01 was shared by five populations (around > 5% frequency). Global FST indicated that pig populations were clearly structured, as 20.6% of total allele frequency variation was explained by differences between populations (F ST  = 0.206). This study’s results confirmed that the greatest diversity occurred in wild boars, thereby contrasting with low diversity in domestic pig populations.Carmen Teresa Celis-GiraldoMichel David BohórquezMilena CamargoCarlos Fernando SuárezAnny CamargoKewin Rodríguez-ObedienteAlejandra MartínezCarlos Edmundo LuceroByron HernándezRaúl Manzano-RománManuel Alfonso PatarroyoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Carmen Teresa Celis-Giraldo
Michel David Bohórquez
Milena Camargo
Carlos Fernando Suárez
Anny Camargo
Kewin Rodríguez-Obediente
Alejandra Martínez
Carlos Edmundo Lucero
Byron Hernández
Raúl Manzano-Román
Manuel Alfonso Patarroyo
A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
description Abstract Analysing pig class II mayor histocompatibility complex (MHC) molecules is mainly related to antigen presentation. Identifying frequently-occurring alleles in pig populations is an important aspect to be considered when developing peptide-based vaccines. Colombian creole pig populations have had to adapt to local conditions since entering Colombia; a recent census has shown low amounts of pigs which is why they are considered protected by the Colombian government. Commercial hybrids are more attractive regarding production. This research has been aimed at describing the allele distribution of Colombian pigs from diverse genetic backgrounds and comparing Colombian SLA-DRB1 locus diversity to that of internationally reported populations. Twenty SLA-DRB1 alleles were identified in the six populations analysed here using sequence-based typing. The amount of alleles ranged from six (Manta and Casco Mula) to nine (San Pedreño). Only one allele (01:02) having > 5% frequency was shared by all three commercial line populations. Allele 02:01:01 was shared by five populations (around > 5% frequency). Global FST indicated that pig populations were clearly structured, as 20.6% of total allele frequency variation was explained by differences between populations (F ST  = 0.206). This study’s results confirmed that the greatest diversity occurred in wild boars, thereby contrasting with low diversity in domestic pig populations.
format article
author Carmen Teresa Celis-Giraldo
Michel David Bohórquez
Milena Camargo
Carlos Fernando Suárez
Anny Camargo
Kewin Rodríguez-Obediente
Alejandra Martínez
Carlos Edmundo Lucero
Byron Hernández
Raúl Manzano-Román
Manuel Alfonso Patarroyo
author_facet Carmen Teresa Celis-Giraldo
Michel David Bohórquez
Milena Camargo
Carlos Fernando Suárez
Anny Camargo
Kewin Rodríguez-Obediente
Alejandra Martínez
Carlos Edmundo Lucero
Byron Hernández
Raúl Manzano-Román
Manuel Alfonso Patarroyo
author_sort Carmen Teresa Celis-Giraldo
title A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
title_short A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
title_full A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
title_fullStr A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
title_full_unstemmed A comparative analysis of SLA-DRB1 genetic diversity in Colombian (creoles and commercial line) and worldwide swine populations
title_sort comparative analysis of sla-drb1 genetic diversity in colombian (creoles and commercial line) and worldwide swine populations
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/1043fc0567c441759ea818f79f8d1e2e
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