ESI-MS phenotyping of bovine beta-lactoglobulin genetic variants in a New Zealand dairy cattle population

Burr, R.G.; Hill, J.P. . Food Science Section; Moore, C.H.

ESI-MS phenotyping of bovine beta-lactoglobulin genetic variants in a New Zealand dairy cattle population

1997

Burr, R.G. | Hill, J.P. (New Zealand Dairy Research Inst., Palmerston North (New Zealand). Food Science Section) | Moore, C.H.

Electrospray ionization mass spectrometry was used to analyse samples of beta-lactoglobulin prepared from predominantly Jersey and Jersey-Friesian cross dairy cows to determine their beta-lactoglobulin phenotype. Within experimental error the mass of beta-Lg in all samples analysed corresponded to one (in the case of homozygous cows) or two (in the case of heterozygous cows) of the A, B or C variants of beta-Lg. No "silent" variants (variants which do not differ in net charge as a result of the substitution) were detected. The potential use of ESI-MS to supplement other phenotyping methods is highlighted.

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Mots clés AGROVOC

bovin laitier bovinae dairy cattle fenotipos ganado de leche genetic variation lactoglobulinas lactoglobuline lactoglobulins mass spectrometry new zealand nueva zelandia phenotypes variant variantes variants

Informations bibliographiques

Editeur

International Dairy Federation

Pagination

p. 340-344

D'autres materias

Variacion genetica; Nouvelle zelande; Variation genetique; Spectrometrie de masse; Espectrometria de masas; Phenotype

Langue

anglais

Note

Summary (En)

4 ill., 1 table, 4 ref.

Type

Summary; Conference; Non-Conventional

Source

Milk protein polymorphism. Proceedings of the IDF Seminar held in Palmerston North (New Zealand), February 1997, International Dairy Federation, Brussels (Belgium).- Bruxelles (Belgium): International Dairy Federation, 1997.- ISBN 92 9098 026 9. 480 p.

Conférence

Milk protein polymorphism, Palmerston North (New Zealand), Feb 1997

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ESI-MS phenotyping of bovine beta-lactoglobulin genetic variants in a New Zealand dairy cattle population

1997

Mots clés AGROVOC

Informations bibliographiques