Microsatellite analysis of the spectacled bear (Tremarctos ornatus) across its range distribution
DNA samples of the spectacled bear (Tremarctos ornatus) from five Andean countries, Venezuela, Colombia, Ecuador, Peru and Bolivia, were analyzed for nine microsatellite loci. Seven of them were polymorphic, which led us to investigate several population-genetic parameters. Private alleles and signi...
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| Veröffentlicht in: | Genes & Genetic Systems 2005, Vol.80(1), pp.57-69 |
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| creator | Ruiz-Garcia, M.(Pontificia Univ. Javeriana, Bogota DC. (Colombia)) Orozco-terWengel, P Castellanos, A Arias, L |
| description | DNA samples of the spectacled bear (Tremarctos ornatus) from five Andean countries, Venezuela, Colombia, Ecuador, Peru and Bolivia, were analyzed for nine microsatellite loci. Seven of them were polymorphic, which led us to investigate several population-genetic parameters. Private alleles and significant differences in gene frequencies were found among the populations studied, which demonstrated the extent of genetic differentiation among the spectacled bear populations. The levels of gene diversity measured with these microsatellites were rather modest in this species. Hardy-Weinberg disequilibrium was especially found for the overall and the Ecuadorian samples, and might be due to the Wahl-und effect or consanguinity. Significant genetic heterogeneity was mainly observed among the Colombian and the Ecuadorian populations. Markov chain Monte Carlo simulations clearly showed that two different gene pools were present, one present in the Venezuelan-Colombian bears and other in the Ecuadorian ones. |
| doi_str_mv | 10.1266/ggs.80.57 |
| format | Article |
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Javeriana, Bogota DC. (Colombia)) ; Orozco-terWengel, P ; Castellanos, A ; Arias, L</creator><creatorcontrib>Ruiz-Garcia, M.(Pontificia Univ. Javeriana, Bogota DC. (Colombia)) ; Orozco-terWengel, P ; Castellanos, A ; Arias, L ; Laboratory of Molecular Population Genetics (Grupo de Genetica de Poblaciones-Biologia Evolutiva. Unidad de Genetica. Departamento de Biologia. Facultad de Ciencias. Pontificia Universidad Javeriana. Cra a No -. Bogota DC ; Colombia ; Fundacion Espiritu del Bosque. cl Barcelona y Tolosa. Quito. Ecuador</creatorcontrib><description>DNA samples of the spectacled bear (Tremarctos ornatus) from five Andean countries, Venezuela, Colombia, Ecuador, Peru and Bolivia, were analyzed for nine microsatellite loci. Seven of them were polymorphic, which led us to investigate several population-genetic parameters. Private alleles and significant differences in gene frequencies were found among the populations studied, which demonstrated the extent of genetic differentiation among the spectacled bear populations. The levels of gene diversity measured with these microsatellites were rather modest in this species. Hardy-Weinberg disequilibrium was especially found for the overall and the Ecuadorian samples, and might be due to the Wahl-und effect or consanguinity. Significant genetic heterogeneity was mainly observed among the Colombian and the Ecuadorian populations. Markov chain Monte Carlo simulations clearly showed that two different gene pools were present, one present in the Venezuelan-Colombian bears and other in the Ecuadorian ones.</description><identifier>ISSN: 1341-7568</identifier><identifier>EISSN: 1880-5779</identifier><identifier>DOI: 10.1266/ggs.80.57</identifier><identifier>PMID: 15824457</identifier><language>eng</language><publisher>Japan: The Genetics Society of Japan</publisher><subject>ANDEAN REGION ; Animals ; DISTANCE GENETIQUE ; DISTANCIA GENETICA ; DISTRIBUCION DE LA POBLACION ; DISTRIBUCION GEOGRAFICA ; DISTRIBUTION DES POPULATIONS ; DISTRIBUTION GEOGRAPHIQUE ; DNA microsatellites ; ECUADOR ; EQUATEUR ; GENETIC DISTANCE ; GENETIC VARIATION ; Genetics, Population ; GEOGRAPHICAL DISTRIBUTION ; INVESTIGACION ; MICROSATELITES ; MICROSATELLITE ; Microsatellite Repeats - genetics ; MICROSATELLITES ; POPULATION DISTRIBUTION ; population genetics ; RECHERCHE ; REGION ANDINA ; REGION ANDINE ; spectacled bears ; URSIDAE ; Ursidae - genetics ; VARIACION GENETICA ; VARIATION GENETIQUE ; VENEZUELA (BOLIVARIAN REPUBLIC OF) ; VENEZUELA (REPUBLICA BOLIVARIANA DE) ; VENEZUELA (REPUBLIQUE BOLIVARIENNE DU)</subject><ispartof>Genes & Genetic Systems, 2005, Vol.80(1), pp.57-69</ispartof><rights>2005 by The Genetics Society of Japan</rights><rights>Copyright Japan Science and Technology Agency 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c635t-2779c74e8948cbf86a4400acf135b9d63953dddc303b03c9865f13355537d0c23</citedby><cites>FETCH-LOGICAL-c635t-2779c74e8948cbf86a4400acf135b9d63953dddc303b03c9865f13355537d0c23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,1884,27926,27927</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15824457$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ruiz-Garcia, M.(Pontificia Univ. Javeriana, Bogota DC. (Colombia))</creatorcontrib><creatorcontrib>Orozco-terWengel, P</creatorcontrib><creatorcontrib>Castellanos, A</creatorcontrib><creatorcontrib>Arias, L</creatorcontrib><creatorcontrib>Laboratory of Molecular Population Genetics (Grupo de Genetica de Poblaciones-Biologia Evolutiva. Unidad de Genetica. Departamento de Biologia. Facultad de Ciencias. Pontificia Universidad Javeriana. Cra a No -. Bogota DC</creatorcontrib><creatorcontrib>Colombia</creatorcontrib><creatorcontrib>Fundacion Espiritu del Bosque. cl Barcelona y Tolosa. Quito. Ecuador</creatorcontrib><title>Microsatellite analysis of the spectacled bear (Tremarctos ornatus) across its range distribution</title><title>Genes & Genetic Systems</title><addtitle>Genes Genet. Syst.</addtitle><description>DNA samples of the spectacled bear (Tremarctos ornatus) from five Andean countries, Venezuela, Colombia, Ecuador, Peru and Bolivia, were analyzed for nine microsatellite loci. Seven of them were polymorphic, which led us to investigate several population-genetic parameters. Private alleles and significant differences in gene frequencies were found among the populations studied, which demonstrated the extent of genetic differentiation among the spectacled bear populations. The levels of gene diversity measured with these microsatellites were rather modest in this species. Hardy-Weinberg disequilibrium was especially found for the overall and the Ecuadorian samples, and might be due to the Wahl-und effect or consanguinity. Significant genetic heterogeneity was mainly observed among the Colombian and the Ecuadorian populations. Markov chain Monte Carlo simulations clearly showed that two different gene pools were present, one present in the Venezuelan-Colombian bears and other in the Ecuadorian ones.</description><subject>ANDEAN REGION</subject><subject>Animals</subject><subject>DISTANCE GENETIQUE</subject><subject>DISTANCIA GENETICA</subject><subject>DISTRIBUCION DE LA POBLACION</subject><subject>DISTRIBUCION GEOGRAFICA</subject><subject>DISTRIBUTION DES POPULATIONS</subject><subject>DISTRIBUTION GEOGRAPHIQUE</subject><subject>DNA microsatellites</subject><subject>ECUADOR</subject><subject>EQUATEUR</subject><subject>GENETIC DISTANCE</subject><subject>GENETIC VARIATION</subject><subject>Genetics, Population</subject><subject>GEOGRAPHICAL DISTRIBUTION</subject><subject>INVESTIGACION</subject><subject>MICROSATELITES</subject><subject>MICROSATELLITE</subject><subject>Microsatellite Repeats - genetics</subject><subject>MICROSATELLITES</subject><subject>POPULATION DISTRIBUTION</subject><subject>population genetics</subject><subject>RECHERCHE</subject><subject>REGION ANDINA</subject><subject>REGION ANDINE</subject><subject>spectacled bears</subject><subject>URSIDAE</subject><subject>Ursidae - genetics</subject><subject>VARIACION GENETICA</subject><subject>VARIATION GENETIQUE</subject><subject>VENEZUELA (BOLIVARIAN REPUBLIC OF)</subject><subject>VENEZUELA (REPUBLICA BOLIVARIANA DE)</subject><subject>VENEZUELA (REPUBLIQUE BOLIVARIENNE DU)</subject><issn>1341-7568</issn><issn>1880-5779</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkk1v1DAQhiMEoh9w4AeAIiEhesgyjj9zQUJVKaAiOJSzNXGcXa-yyWI7h_33zJItlTh4bGlePzPv2EXxisGK1Up9WK_TysBK6ifFOTMGKql185TOXLBKS2XOiouUtgA1NIY_L86YNLUQUp8X-D24OCXMfhhC9iWOOBxSSOXUl3njy7T3LqMbfFe2HmP5_j76HUaXJ5LEEfOcrko8IlIZciojjmtfdiHlGNo5h2l8UTzrcUj-5Wm_LH59vrm__lLd_bj9ev3prnKKy1zV1LLTwptGGNf2RqEQAOh6xmXbdIo3kndd5zjwFrhrjJKU4lJKrjtwNb8s3i3cfZx-zz5luwvJkS0c_TQnq7TmslaahG__E26nmawMyTKhBBdCGUaqq0X111v0vd3HQM4PloE9Tt3S1K0BK4_ENyfi3O5896g8jZkEt4uAssHhMI1DGP1jXbfhRDskWwNIC2AA2HGjJTUF1TDQouaKSB8X0jZlXPt_pTDmQK_00BRbAl1-SLgNRutHArxeAD1OFtcxJPvtJ5VV9DuMrPkf_Kmyzw</recordid><startdate>20050201</startdate><enddate>20050201</enddate><creator>Ruiz-Garcia, M.(Pontificia Univ. 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Syst.</addtitle><date>2005-02-01</date><risdate>2005</risdate><volume>80</volume><issue>1</issue><spage>57</spage><epage>69</epage><pages>57-69</pages><issn>1341-7568</issn><eissn>1880-5779</eissn><abstract>DNA samples of the spectacled bear (Tremarctos ornatus) from five Andean countries, Venezuela, Colombia, Ecuador, Peru and Bolivia, were analyzed for nine microsatellite loci. Seven of them were polymorphic, which led us to investigate several population-genetic parameters. Private alleles and significant differences in gene frequencies were found among the populations studied, which demonstrated the extent of genetic differentiation among the spectacled bear populations. The levels of gene diversity measured with these microsatellites were rather modest in this species. Hardy-Weinberg disequilibrium was especially found for the overall and the Ecuadorian samples, and might be due to the Wahl-und effect or consanguinity. 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| subjects | ANDEAN REGION Animals DISTANCE GENETIQUE DISTANCIA GENETICA DISTRIBUCION DE LA POBLACION DISTRIBUCION GEOGRAFICA DISTRIBUTION DES POPULATIONS DISTRIBUTION GEOGRAPHIQUE DNA microsatellites ECUADOR EQUATEUR GENETIC DISTANCE GENETIC VARIATION Genetics, Population GEOGRAPHICAL DISTRIBUTION INVESTIGACION MICROSATELITES MICROSATELLITE Microsatellite Repeats - genetics MICROSATELLITES POPULATION DISTRIBUTION population genetics RECHERCHE REGION ANDINA REGION ANDINE spectacled bears URSIDAE Ursidae - genetics VARIACION GENETICA VARIATION GENETIQUE VENEZUELA (BOLIVARIAN REPUBLIC OF) VENEZUELA (REPUBLICA BOLIVARIANA DE) VENEZUELA (REPUBLIQUE BOLIVARIENNE DU) |
| title | Microsatellite analysis of the spectacled bear (Tremarctos ornatus) across its range distribution |
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