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9 results on '"Savarese M.C."'

1. Marker-assisted conservation of European cattle breeds: an evaluation

Author

Lenstra, J.A., Nijman, I.J., Eding, H., Engelsma, K.A., Bijma, P., Garcia, D., Canon, J., Dunner, S., Moazami Goudarzi, K., Laloe, D., Williams, J.L., Wiener, P., Burton, D., Erhardt, G., Jann, O., Weimann, C., Prinzenberg, E.M., Harlizius, B., Barre Dirie, A., Mengers, A., Looft, C., Kalm, E., Rodellar, C., Zaragoza, P., Martin Burriel, I., Sanchez, A., Ajmone Marsan, P., Negrini, R., Milanesi, E., Valentini, A., Savarese, M.C., Marchitelli, C., Zanotti, M., Ceriotti, G., Pilla, F., Bruzzone, A., Iamartino, D., Olsaker, I., Holm, L.E., Mommens, G., Dolf, G., Hiemstra, S.H., and Windig, J.J.

Subjects
Genetic Markers, Conservation of Natural Resources, Genotype, business.industry, Cattle, Conservation, Genetic diversity, Kinship, Microsatellite, Weitzman, Settore AGR/17 - Zootecnica Generale e Miglioramento Genetico, Genetic Variation, General Medicine, Breeding, Biology, Biotechnology, Environmental protection, Genetics, Animals, Animal Science and Zoology, business, Microsatellite Repeats
Abstract

Two methods have been developed for the assessment of conservation priorities on the basis of molecular markers. According to the Weitzman approach, contributions to genetic diversity are derived from genetic distances between populations. Alternatively, diversity within and across populations is optimized by minimizing marker-estimated kinships. We have applied, for the first time, both methods to a comprehensive data set of 69 European cattle breeds, including all cosmopolitan breeds and several local breeds, for which genotypes of 30 microsatellite markers in 25-50 animals per breed have been obtained. Both methods were used to calculate the gain in diversity if a breed was added to a set of nine non-endangered breeds. Weitzman-derived diversities were confounded by genetic drift in isolated populations, which dominates the genetic distances but does not necessarily increase the conservation value of a breed. Marker-estimated kinships across populations were less disturbed by genetic drift than the Weitzman diversities and assigned high conservation values to Mediterranean breeds, which indeed have genetic histories that differ from the non-endangered breeds. Prospects and limitations of marker-assisted decisions on conservation priorities are discussed.

Published
2006
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4. Molecular differentiation of European Cattle breeds

Author

Lenstra, J.A., Nijman, I.J., Moazami Goudarzi, K., Laloë, D., Williams, J.L., Wiener, P., Burton, D., Erhardt, G., Jann, O., Weimann, C., Prinzenberg, E.M., Harlizius, B., Looft, C., Dunner, S., Canon, J., Rodellar, C., Zaragoza, P., Martin Burriel, I., Sanchez, A., Piedrafita, J., Ajmone Marsan, P., Negrini, R., Milanesi, E., Valentini, A., Savarese, M.C., Marchitelli, C., Zanotti, M., Ceriotti, G., Pilla, F., Bruzzone, A., Iamartino, D., Bradley, D., Machugh, D.E., Freeman, A.R., Medugorac, I., Medugorac, A., Mix, H., Förster, M., Kantanen, J., Olsaker, I., Holm, L.E., Miceikienė, I., Grislis, Z., Viinalass, H., Danell, B., Eythorsdottir, E., Mommens, G., Van Haeringen, C., Taberlet, P., Luikart, G., Beja Pereira, A., Ferrand, N., Mateus, J.C., Dolf, G., and Felius, M.

Subjects
Settore AGR/17 - Zootecnica Generale e Miglioramento Genetico
Published
2004

7. Use of microsatellites for genetic variation and inbreeding analysis in Sarda sheep flocks of central Italy.

Author

Pariset, L., Savarese, M.C., Cappuccio, I., and Valentinni, A.

Subjects
*MICROSATELLITE repeats, *ANIMAL genetics, *SHEEP, *INBREEDING, *BIOLOGICAL variation
Abstract

A set of 11 polymorphic microsatellites has been used to assess the distribution of genetic variability in 17 flocks of the Sarda sheep breed in the Viterbo province, located in central Italy. The suitability of samples size and number of loci analysed were tested using a bootstrap procedure. The data obtained were used to estimate the genetic diversity within and among flocks, and to test the presence of inbreeding within flocks. To study the genetic relationship among flocks, a principal component analysis based on Nei standard distances was performed. The results of genetic analysis show a significant excess of homozygotes in some of the flocks. The use of genetic data for maximum likelihood tests of assignment is investigated in order to establish suitable breeding policies. This research represents a case study for the development of mating strategies suitable for incrementing genetic variability within flocks that can be applied in other domestic species showing similar breeding problems (goat, buffalo and small populations of cattle). [ABSTRACT FROM AUTHOR]

Published
2003
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9. The Italian FIRB pig project: analysis of gene expression profiles in pig to identify candidate genes useful for meat quality and production improvement

Author

RUSSO, VINCENZO, BIGI, DANIELE, DAVOLI, ROBERTA, FONTANESI, LUCA, ZAMBONELLI, PAOLO, Ajmone Marsan P., Castiglioni B., Stefanon B., Pilla F., Valentini A., Mariani P., Bernandi J., Crisà A., Dal Monego S., D'Andrea M., Fidotti M., Gorni C., Pagnacco G., Pallavicini A., Savarese M. C., Tramontana S., Russo V., Ajmone-Marsan P., Castiglioni B., Stefanon B., Pilla F., Valentini A., Mariani P., Bernandi J., Bigi D., Crisà A., Dal Monego S., D'Andrea M., Davoli R., Fidotti M., Fontanesi L., Gorni C., Pagnacco G., Pallavicini A., Savarese M.C., Tramontana S., and Zambonelli P.

Subjects
PIG, GENE EXPRESSION, MEAT QUALITY, CANDIDATE GENES
Published
2006

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