Genetic structure of the Marseilles cat  population: is there really a strong  founder effect ?

Ruiz-Garcia, M.

doi:10.1051/gse:19940402

Cited by 4 publications

(7 citation statements)

References 14 publications

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“…The high levels of heterozygosity that both varieties show could be mainly due to the existence of an elevated gene flow between these subpopulations or with other foreign populations, as it has been previously proven that an elevated gene flow maintains high levels of heterozygosity (Waples, 1987;Terauchi, 1990;Ruiz-García, 1994).…”

Section: Discussionmentioning

confidence: 99%

Conservation genetics of an endangered Catalonian cattle breed ("Alberes")

et al. 1999

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We biochemically analyzed and characterized the genetic structure of a population in danger of extinction ,"Alberes", a local cattle breed of the Catalonian Pyrenees (Spain and France). Ninety-two individuals were analyzed for five polymorphic genetic loci (Hb, Alb, Tf, Gc and Ptf2). The animals were grouped according to coat color: Fagina Alberes variety (N = 39) and Black Alberes variety (N = 53). The genetic structures and relationships between these subpopulations and one "outgroup" breed ("Bruna dels Pirineus") were analyzed and compared by using F-statistics. We determined that inbreeding in the Alberes breed is not significant, since negative and nonsignificant F IT and F IS values were obtained. The average genetic differentiation between subpopulations within the Alberes breed was 1.5% (F ST = 0.015; P < 0.05), with an effective number of 4.1 individuals exchanged between subpopulations per generation (gene flow). The results obtained in this study corroborate the potential danger of extinction of the breed. The Black Alberes variety is proposed as the principal nucleus of genetic conservation for this breed, as it seems to show a higher degree of genetic isolation from other foreign populations.

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Section: Discussionmentioning

confidence: 99%

Conservation genetics of an endangered Catalonian cattle breed ("Alberes")

et al. 1999

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“…Investigaciones en la última década han logrado identificar las posiciones cromosómicas de gran parte de los genes estudiados (14)(15)(16)(17)(18)(19)(20)(21)(22), por lo que se ha transformado el trabajo fenotípico clásico en un inventario detallado de genes, donde los cromosomas se convierten en las unidades muestrales; en este artículo se elabora un idiograma domestic cat populations from 12 southwestern Colombian municipalities, to estimate the genetic structure degree of populations, and to determine if there was a correlation between geographic and genetic distances to contrast these results against historic human migration processes.…”

Section: Identificación De Los Marcadores Fenotípicosunclassified

“…Research in the last decade has been able to identify the chromosomal positions of a great portion of the genes studied (14)(15)(16)(17)(18)(19)(20)(21)(22), reason why the classical phenotypic work has been transformed into a detailed inventory of genes, where chromosomes are converted into sampling units; in this article we develop a chromosomic ideogram of these genetic markers based on published information (Figure 2). …”

Section: Análisis De Datosmentioning

confidence: 99%

Coat genetic markers of the domestic cat Felis catus (Felidae) from southwestern Colombia

et al. 2016

Rev MVZ Córdoba

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Objectives. Establish the genetic profiles of cats from 12 neighboring municipalities in southwestern Colombia, in a town course from Pereira-Popayán. Estimate the degree of diversity, genetic structure, and quantify gene flow. Materials and methods. Were inventoried the phenotypic markers present in the pigmentation and structure of the coat of 1482 cats of the municipalities surveyed. Based on these phenotypic frequencies, allele frequencies, heterozygosity, Hardy-Weinberg equilibrium, F statistics and Nei genetic distances were calculated. A comparison was also made between genetic and geographic distance matrices to determine if there was a significant association between the two. Results. With the genetic profiles of the populations we estimated the degree of diversity. We found the populations in equilibrium for the S autosomal locus and for the O sex-linked locus. We found a low level genetic structure, and it was determined that there was no significant correlation between the genetic and geographic distance matrices among populations. Conclusions: These findings can be explained on the basis of the processes of human displacement for this region, due to the fact that the establishment of feline populations in these municipalities originated during the same historical period. Identical genetic profiles are shared as a result of colonization events, and due to possible continued migration among these populations.Key Words: Historical migration, pigmentation genes, population genetics, regional scale (Source: CAB, DeCS). RESUMENObjetivos. Determinar los perfiles genéticos de los gatos de 12 municipios contiguos del suroccidente colombiano en un trayecto Pereira-Popayán; estimar el grado de diversidad, estructura genética y cuantificar el flujo de genes. Materiales y métodos. Se inventariaron los marcadores fenotípicos presentes en la pigmentación y estructura del pelaje de 1482 gatos de los municipios estudiados, con base en estas frecuencias fenotípicas se calcularon frecuencias alélicas, heterocigosidad, equilibrio Hardy-Weinberg, el estadístico F ST y distancias genéticas de Nei. También se realizó una comparación entre matrices de distancia genética y geográfica para determinar si existía asociación significativa entre 5391 las dos. Resultados. Con los perfiles genéticos de las poblaciones se estimó el grado de diversidad, se halló en equilibrio Hardy-Weinberg a las poblaciones para el locus autosómico S y el locus ligado al sexo O. Se encontró bajo nivel de estructura genética y se determinó que no existe correlación significativa entre las matrices de distancia genética y geográfica entre poblaciones. Conclusiones. Estos hallazgos se pueden explicar con base en los procesos de desplazamiento humano para esta región, debido a que el establecimiento de poblaciones felinas en estos municipios se originó en el mismo período histórico. Se comparten perfiles genéticos idénticos como resultado, posiblemente, de eventos de colonización y migración continua entre estas poblaciones.Palabras clave: esca...

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“…For this reason, human commercial flows seem to be the fundamental cause to explain the genetic profiles of different cat populations ("Historical Migration Hypothesis"). Together with this idea, the concept of effective population changing from small to large size also seems to be very important explaining certain present gene frequencies (Morrill and Todd 1978, Anderson and Jenkins 1979, Ruiz-Garcia 1991, 1993, 1994a, b, 1997a, Kajon et al 1992. Other factor like selection dependent on ecological parameters (Watanabe 1983, Lloyd 1985) have significant importance.…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, all these studies showed the genetic relationship between different cat populations in different parts of the World at macrogeographic level. Only recently investigations explaining the possible genetic structure of the cat populations at microgeographic level (colonies and/or subpopulations within the cities) have appeared using genetic and mathematical analyses (Ruiz-Garcia 1991, 1993, 1994a, b, 1997b, c, Ruiz-Garcia et al 1995, Ruiz-Garcia and Klein 1997.…”

Section: Introductionmentioning

confidence: 99%

Genetic structure of different populations of domestic cat in Spain, Italy and Argentina at a micro-geographic level

Ruiz‐García¹

1998

Acta Theriol.

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Genetic structure of the Marseilles cat population: is there really a strong founder effect ?

Cited by 4 publications

References 14 publications

Conservation genetics of an endangered Catalonian cattle breed ("Alberes")

Conservation genetics of an endangered Catalonian cattle breed ("Alberes")

Coat genetic markers of the domestic cat Felis catus (Felidae) from southwestern Colombia

Genetic structure of different populations of domestic cat in Spain, Italy and Argentina at a micro-geographic level

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