Variability analyses of the maternal lineage of horses and donkeys
•Horse and donkey breeds are well structured.•Conservation and breeding measures must be adopted to preserve the adaptive characteristics of some groups.•Molecular markers indicate low selection of dams in formation of horse breeds. Equid breeds originating from the Iberian Peninsula and North Afric...
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| Veröffentlicht in: | Gene 2021-02, Vol.769, p.145231-145231, Article 145231 |
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| creator | Santos Alves, Jackeline da Silva Anjos, Marcia Silva Bastos, Marisa Sarmento Martins de Oliveira, Louise Pereira Pinto Oliveira, Ingrid Batista Pinto, Luis Fernando Albano de Araújo de Oliveira, Chiara Bermal Costa, Raphael Miguel Ferreira de Camargo, Gregório |
| description | •Horse and donkey breeds are well structured.•Conservation and breeding measures must be adopted to preserve the adaptive characteristics of some groups.•Molecular markers indicate low selection of dams in formation of horse breeds.
Equid breeds originating from the Iberian Peninsula and North Africa are believed to have genetically contributed to the formation of breeds and ecotypes from Brazil. The country has numerous breeds and ecotypes of horses and donkeys but there are no extensive studies on maternal genetic diversity and their origins. This study reports the results of the first genetic analysis of all horse and donkey breeds/ecotypes from Brazil based on sequences of the mitochondrial DNA control region (D-loop) whose main objective was to characterize the genetic variation in these animals. These analyses will contribute to the understanding of the current population structure and diversity of breeds/ecotypes of horses and donkeys raised in the Brazil. We analyzed 310 D-loop sequences representing 41 breeds/ecotypes of Equus caballus and Equus asinus, including 14 native horse breeds/ecotypes, 3 native donkey breeds/ecotypes and 24 cosmopolite horse breeds. The results revealed that the breeds are well structured genetically and that they comprise different groups. A total of 80 and 14 haplotypes were identified for horses and donkeys, respectively. Most of the horse mtDNA haplotypes were shared by many breeds, whereas donkey mtDNA haplotypes seemed to be more group-especif. Some groups presented a low intrabreed distance and/or a low haplotype/nucleotide diversity such as Lavradeiro, Crioulo, Piquira and Percheron horses and Brazilian donkey. Thus, specific actions must be designed for each population. The different levels of genetic diversity provided important information for conservation resource management of adapted groups as well as for mating orientation of breed associations. Some autochthonous ecotypes require attention because of their low genetic variability. |
| doi_str_mv | 10.1016/j.gene.2020.145231 |
| format | Article |
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Equid breeds originating from the Iberian Peninsula and North Africa are believed to have genetically contributed to the formation of breeds and ecotypes from Brazil. The country has numerous breeds and ecotypes of horses and donkeys but there are no extensive studies on maternal genetic diversity and their origins. This study reports the results of the first genetic analysis of all horse and donkey breeds/ecotypes from Brazil based on sequences of the mitochondrial DNA control region (D-loop) whose main objective was to characterize the genetic variation in these animals. These analyses will contribute to the understanding of the current population structure and diversity of breeds/ecotypes of horses and donkeys raised in the Brazil. We analyzed 310 D-loop sequences representing 41 breeds/ecotypes of Equus caballus and Equus asinus, including 14 native horse breeds/ecotypes, 3 native donkey breeds/ecotypes and 24 cosmopolite horse breeds. The results revealed that the breeds are well structured genetically and that they comprise different groups. A total of 80 and 14 haplotypes were identified for horses and donkeys, respectively. Most of the horse mtDNA haplotypes were shared by many breeds, whereas donkey mtDNA haplotypes seemed to be more group-especif. Some groups presented a low intrabreed distance and/or a low haplotype/nucleotide diversity such as Lavradeiro, Crioulo, Piquira and Percheron horses and Brazilian donkey. Thus, specific actions must be designed for each population. The different levels of genetic diversity provided important information for conservation resource management of adapted groups as well as for mating orientation of breed associations. Some autochthonous ecotypes require attention because of their low genetic variability.</description><identifier>ISSN: 0378-1119</identifier><identifier>EISSN: 1879-0038</identifier><identifier>DOI: 10.1016/j.gene.2020.145231</identifier><identifier>PMID: 33065240</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Animals ; Breeding ; D-loop ; DNA, Mitochondrial - genetics ; Equidae - genetics ; Equidae - physiology ; Equids ; Female ; Genetic distance ; Genetic variability ; Genetic Variation ; Genomic Imprinting ; Haplotypes ; Horses - genetics ; Horses - physiology ; mtDNA ; Species Specificity</subject><ispartof>Gene, 2021-02, Vol.769, p.145231-145231, Article 145231</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-de0620df07253d57d18370f35295d2f46779307d6420ce7aee9f4fd872e9c62b3</citedby><cites>FETCH-LOGICAL-c356t-de0620df07253d57d18370f35295d2f46779307d6420ce7aee9f4fd872e9c62b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.gene.2020.145231$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33065240$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Santos Alves, Jackeline</creatorcontrib><creatorcontrib>da Silva Anjos, Marcia</creatorcontrib><creatorcontrib>Silva Bastos, Marisa</creatorcontrib><creatorcontrib>Sarmento Martins de Oliveira, Louise</creatorcontrib><creatorcontrib>Pereira Pinto Oliveira, Ingrid</creatorcontrib><creatorcontrib>Batista Pinto, Luis Fernando</creatorcontrib><creatorcontrib>Albano de Araújo de Oliveira, Chiara</creatorcontrib><creatorcontrib>Bermal Costa, Raphael</creatorcontrib><creatorcontrib>Miguel Ferreira de Camargo, Gregório</creatorcontrib><title>Variability analyses of the maternal lineage of horses and donkeys</title><title>Gene</title><addtitle>Gene</addtitle><description>•Horse and donkey breeds are well structured.•Conservation and breeding measures must be adopted to preserve the adaptive characteristics of some groups.•Molecular markers indicate low selection of dams in formation of horse breeds.
Equid breeds originating from the Iberian Peninsula and North Africa are believed to have genetically contributed to the formation of breeds and ecotypes from Brazil. The country has numerous breeds and ecotypes of horses and donkeys but there are no extensive studies on maternal genetic diversity and their origins. This study reports the results of the first genetic analysis of all horse and donkey breeds/ecotypes from Brazil based on sequences of the mitochondrial DNA control region (D-loop) whose main objective was to characterize the genetic variation in these animals. These analyses will contribute to the understanding of the current population structure and diversity of breeds/ecotypes of horses and donkeys raised in the Brazil. We analyzed 310 D-loop sequences representing 41 breeds/ecotypes of Equus caballus and Equus asinus, including 14 native horse breeds/ecotypes, 3 native donkey breeds/ecotypes and 24 cosmopolite horse breeds. The results revealed that the breeds are well structured genetically and that they comprise different groups. A total of 80 and 14 haplotypes were identified for horses and donkeys, respectively. Most of the horse mtDNA haplotypes were shared by many breeds, whereas donkey mtDNA haplotypes seemed to be more group-especif. Some groups presented a low intrabreed distance and/or a low haplotype/nucleotide diversity such as Lavradeiro, Crioulo, Piquira and Percheron horses and Brazilian donkey. Thus, specific actions must be designed for each population. The different levels of genetic diversity provided important information for conservation resource management of adapted groups as well as for mating orientation of breed associations. Some autochthonous ecotypes require attention because of their low genetic variability.</description><subject>Animals</subject><subject>Breeding</subject><subject>D-loop</subject><subject>DNA, Mitochondrial - genetics</subject><subject>Equidae - genetics</subject><subject>Equidae - physiology</subject><subject>Equids</subject><subject>Female</subject><subject>Genetic distance</subject><subject>Genetic variability</subject><subject>Genetic Variation</subject><subject>Genomic Imprinting</subject><subject>Haplotypes</subject><subject>Horses - genetics</subject><subject>Horses - physiology</subject><subject>mtDNA</subject><subject>Species Specificity</subject><issn>0378-1119</issn><issn>1879-0038</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtOwzAQRS0EoqXwAyxQlmxSxnYcJxIbqHhJldgAW8u1J61LHsVOkfL3JEphyWxGujpzpTmEXFKYU6DpzXa-xhrnDFgfJIJxekSmNJN5DMCzYzIFLrOYUppPyFkIW-hHCHZKJpxDKlgCU3L_ob3TK1e6tot0rcsuYIiaImo3GFW6Rd9nUelq1Gsc8k3jB0LXNrJN_YldOCcnhS4DXhz2jLw_PrwtnuPl69PL4m4ZGy7SNrYIKQNbgGSCWyEtzbiEgguWC8uKJJUy5yBtmjAwKDViXiSFzSTD3KRsxWfkeuzd-eZrj6FVlQsGy1LX2OyDYomgWSJzIXqUjajxTQgeC7XzrtK-UxTU4E5t1eBODe7U6K4_ujr071cV2r-TX1k9cDsC2H_57dCrYBzWBq3zaFplG_df_w-JQH54</recordid><startdate>20210215</startdate><enddate>20210215</enddate><creator>Santos Alves, Jackeline</creator><creator>da Silva Anjos, Marcia</creator><creator>Silva Bastos, Marisa</creator><creator>Sarmento Martins de Oliveira, Louise</creator><creator>Pereira Pinto Oliveira, Ingrid</creator><creator>Batista Pinto, Luis Fernando</creator><creator>Albano de Araújo de Oliveira, Chiara</creator><creator>Bermal Costa, Raphael</creator><creator>Miguel Ferreira de Camargo, Gregório</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20210215</creationdate><title>Variability analyses of the maternal lineage of horses and donkeys</title><author>Santos Alves, Jackeline ; da Silva Anjos, Marcia ; Silva Bastos, Marisa ; Sarmento Martins de Oliveira, Louise ; Pereira Pinto Oliveira, Ingrid ; Batista Pinto, Luis Fernando ; Albano de Araújo de Oliveira, Chiara ; Bermal Costa, Raphael ; Miguel Ferreira de Camargo, Gregório</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-de0620df07253d57d18370f35295d2f46779307d6420ce7aee9f4fd872e9c62b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Animals</topic><topic>Breeding</topic><topic>D-loop</topic><topic>DNA, Mitochondrial - genetics</topic><topic>Equidae - genetics</topic><topic>Equidae - physiology</topic><topic>Equids</topic><topic>Female</topic><topic>Genetic distance</topic><topic>Genetic variability</topic><topic>Genetic Variation</topic><topic>Genomic Imprinting</topic><topic>Haplotypes</topic><topic>Horses - genetics</topic><topic>Horses - physiology</topic><topic>mtDNA</topic><topic>Species Specificity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Santos Alves, Jackeline</creatorcontrib><creatorcontrib>da Silva Anjos, Marcia</creatorcontrib><creatorcontrib>Silva Bastos, Marisa</creatorcontrib><creatorcontrib>Sarmento Martins de Oliveira, Louise</creatorcontrib><creatorcontrib>Pereira Pinto Oliveira, Ingrid</creatorcontrib><creatorcontrib>Batista Pinto, Luis Fernando</creatorcontrib><creatorcontrib>Albano de Araújo de Oliveira, Chiara</creatorcontrib><creatorcontrib>Bermal Costa, Raphael</creatorcontrib><creatorcontrib>Miguel Ferreira de Camargo, Gregório</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Gene</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Santos Alves, Jackeline</au><au>da Silva Anjos, Marcia</au><au>Silva Bastos, Marisa</au><au>Sarmento Martins de Oliveira, Louise</au><au>Pereira Pinto Oliveira, Ingrid</au><au>Batista Pinto, Luis Fernando</au><au>Albano de Araújo de Oliveira, Chiara</au><au>Bermal Costa, Raphael</au><au>Miguel Ferreira de Camargo, Gregório</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Variability analyses of the maternal lineage of horses and donkeys</atitle><jtitle>Gene</jtitle><addtitle>Gene</addtitle><date>2021-02-15</date><risdate>2021</risdate><volume>769</volume><spage>145231</spage><epage>145231</epage><pages>145231-145231</pages><artnum>145231</artnum><issn>0378-1119</issn><eissn>1879-0038</eissn><abstract>•Horse and donkey breeds are well structured.•Conservation and breeding measures must be adopted to preserve the adaptive characteristics of some groups.•Molecular markers indicate low selection of dams in formation of horse breeds.
Equid breeds originating from the Iberian Peninsula and North Africa are believed to have genetically contributed to the formation of breeds and ecotypes from Brazil. The country has numerous breeds and ecotypes of horses and donkeys but there are no extensive studies on maternal genetic diversity and their origins. This study reports the results of the first genetic analysis of all horse and donkey breeds/ecotypes from Brazil based on sequences of the mitochondrial DNA control region (D-loop) whose main objective was to characterize the genetic variation in these animals. These analyses will contribute to the understanding of the current population structure and diversity of breeds/ecotypes of horses and donkeys raised in the Brazil. We analyzed 310 D-loop sequences representing 41 breeds/ecotypes of Equus caballus and Equus asinus, including 14 native horse breeds/ecotypes, 3 native donkey breeds/ecotypes and 24 cosmopolite horse breeds. The results revealed that the breeds are well structured genetically and that they comprise different groups. A total of 80 and 14 haplotypes were identified for horses and donkeys, respectively. Most of the horse mtDNA haplotypes were shared by many breeds, whereas donkey mtDNA haplotypes seemed to be more group-especif. Some groups presented a low intrabreed distance and/or a low haplotype/nucleotide diversity such as Lavradeiro, Crioulo, Piquira and Percheron horses and Brazilian donkey. Thus, specific actions must be designed for each population. The different levels of genetic diversity provided important information for conservation resource management of adapted groups as well as for mating orientation of breed associations. Some autochthonous ecotypes require attention because of their low genetic variability.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>33065240</pmid><doi>10.1016/j.gene.2020.145231</doi><tpages>1</tpages></addata></record> |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Animals Breeding D-loop DNA, Mitochondrial - genetics Equidae - genetics Equidae - physiology Equids Female Genetic distance Genetic variability Genetic Variation Genomic Imprinting Haplotypes Horses - genetics Horses - physiology mtDNA Species Specificity |
| title | Variability analyses of the maternal lineage of horses and donkeys |
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