Article (Scientific journals)
Molecular dissection of a quantitative trait locus: a phenylalanine-to-tyrosine substitution in the transmembrane domain of the bovine growth hormone receptor is associated with a major effect on milk yield and composition.
Blott, Sarah; Kim, Jong-Joo; Moisio, Sirja et al.
2003In Genetics, 163 (1), p. 253-66
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Keywords :
Amino Acid Substitution; Animals; Cattle; Chromosome Mapping; Haplotypes; Linkage Disequilibrium; Lod Score; Microsatellite Repeats; Milk/chemistry/metabolism; Phenylalanine/metabolism; Phylogeny; Polymorphism, Genetic; Quantitative Trait Loci; Receptors, Somatotropin/genetics/metabolism; Tyrosine/metabolism
Abstract :
[en] We herein report on our efforts to improve the mapping resolution of a QTL with major effect on milk yield and composition that was previously mapped to bovine chromosome 20. By using a denser chromosome 20 marker map and by exploiting linkage disequilibrium using two distinct approaches, we provide strong evidence that a chromosome segment including the gene coding for the growth hormone receptor accounts for at least part of the chromosome 20 QTL effect. By sequencing individuals with known QTL genotype, we identify an F to Y substitution in the transmembrane domain of the growth hormone receptor gene that is associated with a strong effect on milk yield and composition in the general population.
Disciplines :
Genetics & genetic processes
Veterinary medicine & animal health
Author, co-author :
Blott, Sarah
Kim, Jong-Joo
Moisio, Sirja
Schmidt-Kuntzel, Anne
Cornet, Anne ;  Université de Liège - ULiège > Département de morphologie et pathologie > Pathologie spéciale et autopsies
Berzi, Paulette  ;  Université de Liège - ULiège > Services administratifs généraux > R&D : Gestion stratégique
Cambisano, Nadine ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Ford, Christine
Grisart, Bernard
Johnson, Dave
Karim, Latifa ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Simon, Patricia ;  Université de Liège - ULiège > Centre d'ingénierie des protéines
Snell, Russell
Spelman, Richard
Wong, Jerry
Vilkki, Johanna
Georges, Michel  ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Farnir, Frédéric  ;  Université de Liège - ULiège > Département de productions animales > Biostatistiques et bioinformatique appliquées aux sc. vétér.
Coppieters, Wouter ;  Université de Liège - ULiège > Département de productions animales > Département de productions animales
More authors (9 more) Less
Language :
English
Title :
Molecular dissection of a quantitative trait locus: a phenylalanine-to-tyrosine substitution in the transmembrane domain of the bovine growth hormone receptor is associated with a major effect on milk yield and composition.
Publication date :
2003
Journal title :
Genetics
ISSN :
0016-6731
eISSN :
1943-2631
Publisher :
Genetics Society of America, Baltimore, United States - Maryland
Volume :
163
Issue :
1
Pages :
253-66
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 03 March 2011

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