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Chromosomal localization and molecular characterization of 53 cosmid-derived bovine microsatellites (Articolo in rivista)

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Chromosomal localization and molecular characterization of 53 cosmid-derived bovine microsatellites (Articolo in rivista) (literal)

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Mezzelani, A., Zhang, Y., Redaelli, L., Castiglioni, B., Leone, P., Williams, J.L.c Toldo, S.S., Wigger, G., Fries, R., Ferretti, L. (1995)
Chromosomal localization and molecular characterization of 53 cosmid-derived bovine microsatellites
in Mammalian genome (Print); Springer Verlag, New York NY (Stati Uniti d'America)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Mezzelani, A., Zhang, Y., Redaelli, L., Castiglioni, B., Leone, P., Williams, J.L.c Toldo, S.S., Wigger, G., Fries, R., Ferretti, L. (literal)

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Istituto per la Difesa e la Valorizzazione del Germoplasma Animale, CNR, Milano; Dipartimento di Genetica e Microbiologia 'A. Buzzati-Traverso', Pavia; Roslin Institute, Edinburgh, United Kingdom (literal)

Titolo

Chromosomal localization and molecular characterization of 53 cosmid-derived bovine microsatellites (literal)

Abstract

Gene mapping in cattle has progressed rapidly in recent years largely owing to the introduction of powerful genetic markers, such as the microsatellites, and through advances in physical mapping techniques such as synteny mapping and fluorescence in situ hybridization (FISH). Microsatellite markers are often not physically mapped because they are generally isolated from small insert plasmid libraries, which makes their chromosomal localization inefficient. In this report we describe the FISH mapping of a large group of cosmid-derived bovine microsatellite markers, as our contribution to the European mapping initiative, BovMap. One objective of BovMap is to develop a set of anchored loci for the cattle genome map. Two cosmid libraries were screened with probes corresponding to the (AC)n microsatellite motif. Positive clones were mapped by FISH, and then a subset was further analyzed by sequencing the region flanking the microsatellite repeat. In total, 58 clones were hybridized with chromosomes and identified loci on 22 of the 31 different bovine chromosomes. Three clones contained satellite DNA. Two or more markers were placed on 12 chromosomes. Sequencing of the microsatellites and flanking regions was performed directly from 43 cosmids, as previously reported (Ferretti et al. Anim. Genet. 25, 209-214, 1994). Primers were developed for 39 markers and used to describe the polymorphism associated with the corresponding loci (literal)

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