A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis

Domestic pig breeds reached America on the second Columbus trip; from this date, Iberian pig genetic resources were disseminated throughout the continent, forming diverse creole breeds. These Ecuadorian Creole pigs are important for food production but have been genetically eroded since the introduc...

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Autores principales:	Amado Manuel Canales Vergara, Amparo Martínez Martínez, Juan Vicente Delgado Bermejo, Martina Macri, Pablo Rigoberto Andino Nájera, Nelson Antonio Duchi Duchi, Paula Alexandra Toalombo Vargas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	DNA D-loop creole pigs Tajima’s D separated Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/97e7f54bdcd84d61b7e020af413e7870
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spelling	oai:doaj.org-article:97e7f54bdcd84d61b7e020af413e78702021-11-25T16:21:31ZA Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis10.3390/ani111133222076-2615https://doaj.org/article/97e7f54bdcd84d61b7e020af413e78702021-11-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3322https://doaj.org/toc/2076-2615Domestic pig breeds reached America on the second Columbus trip; from this date, Iberian pig genetic resources were disseminated throughout the continent, forming diverse creole breeds. These Ecuadorian Creole pigs are important for food production but have been genetically eroded since the introduction of transboundary breeds. In this study, we sought to characterize this erosion more thoroughly through mitochondrial DNA D-Loop analysis of Ecuadorian Pillareño Creole pigs from seven regions of Ecuador. To allow comparison, we also included in our analysis sequences from wild species, commercial lines, and domestic pigs, which were obtained from the NCBI GenBank database. Creole pigs’ population showed overall moderate Hd values and low π values, and a negative value of Tajima’s D was observed. The greatest differentiation from the Ecuadorian Pillareño Creole pigs was observed between Asian wild and Asian domestic pigs. The haplotype analysis revealed three different phylogenetic clades (A, E I, and E II) and 65 haplotypes. Ecuadorian Creole populations were grouped into nine haplotypes for Clade E I and E II, which have not previously been reported for Creole Pillareño populations. Our analysis indicates that in the establishment of Creole Pillareño pigs, individuals most likely separated from the Asian pig population and appear to be genetically influenced by European and Iberian populations raised in Spain.Amado Manuel Canales VergaraAmparo Martínez MartínezJuan Vicente Delgado BermejoMartina MacriPablo Rigoberto Andino NájeraNelson Antonio Duchi DuchiPaula Alexandra Toalombo VargasMDPI AGarticleDNA D-loopcreole pigsTajima’s DseparatedVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3322, p 3322 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	DNA D-loop creole pigs Tajima’s D separated Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	DNA D-loop creole pigs Tajima’s D separated Veterinary medicine SF600-1100 Zoology QL1-991 Amado Manuel Canales Vergara Amparo Martínez Martínez Juan Vicente Delgado Bermejo Martina Macri Pablo Rigoberto Andino Nájera Nelson Antonio Duchi Duchi Paula Alexandra Toalombo Vargas A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
description	Domestic pig breeds reached America on the second Columbus trip; from this date, Iberian pig genetic resources were disseminated throughout the continent, forming diverse creole breeds. These Ecuadorian Creole pigs are important for food production but have been genetically eroded since the introduction of transboundary breeds. In this study, we sought to characterize this erosion more thoroughly through mitochondrial DNA D-Loop analysis of Ecuadorian Pillareño Creole pigs from seven regions of Ecuador. To allow comparison, we also included in our analysis sequences from wild species, commercial lines, and domestic pigs, which were obtained from the NCBI GenBank database. Creole pigs’ population showed overall moderate Hd values and low π values, and a negative value of Tajima’s D was observed. The greatest differentiation from the Ecuadorian Pillareño Creole pigs was observed between Asian wild and Asian domestic pigs. The haplotype analysis revealed three different phylogenetic clades (A, E I, and E II) and 65 haplotypes. Ecuadorian Creole populations were grouped into nine haplotypes for Clade E I and E II, which have not previously been reported for Creole Pillareño populations. Our analysis indicates that in the establishment of Creole Pillareño pigs, individuals most likely separated from the Asian pig population and appear to be genetically influenced by European and Iberian populations raised in Spain.
format	article
author	Amado Manuel Canales Vergara Amparo Martínez Martínez Juan Vicente Delgado Bermejo Martina Macri Pablo Rigoberto Andino Nájera Nelson Antonio Duchi Duchi Paula Alexandra Toalombo Vargas
author_facet	Amado Manuel Canales Vergara Amparo Martínez Martínez Juan Vicente Delgado Bermejo Martina Macri Pablo Rigoberto Andino Nájera Nelson Antonio Duchi Duchi Paula Alexandra Toalombo Vargas
author_sort	Amado Manuel Canales Vergara
title	A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
title_short	A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
title_full	A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
title_fullStr	A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
title_full_unstemmed	A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis
title_sort	matrilineal study on the origin and genetic relations of the ecuadorian pillareño creole pig population through d-loop mitochondrial dna analysis
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/97e7f54bdcd84d61b7e020af413e7870
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A Matrilineal Study on the Origin and Genetic Relations of the Ecuadorian Pillareño Creole Pig Population through D-Loop Mitochondrial DNA Analysis

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