Electron spin resonance spectrometrical study of the melanins in the wool of some north European sheep in relation to their color inheritance

Additional peaks that were known on the esr-spectrograms of red human and reddish-brown Karakul hair to be diagnostic traits of phaeomelanin esr-signal also were found on esr-spectrograms of the tan, but not of black or chocolate brown wool from icelandic sheep. This tan color is thought to depend o...

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Bibliographic Details
Published in:The Journal of heredity 1987-03, Vol.78 (2), p.120-122
Main Authors: Vsevolodov, E.B, Adalsteinsson, S, Ryder, M.L
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
BREEDS
Classical genetics, quantitative genetics, hybrids
COLOR
COLOUR
COULEUR
DOMINANT GENES
Electron Spin Resonance Spectroscopy - methods
ESPECTROMETRIA
EUROPA
EUROPE
FENOTIPOS
Fundamental and applied biological sciences. Psychology
GENE DOMINANT
GENES DOMINANTES
Genetics of eukaryotes. Biological and molecular evolution
Hair Color
HEREDITE
HERENCIA
ICELANDIC
INHERITANCE
LAINE
LANA
Melanins - genetics
OVIN
OVINOS
PHENOTYPE
PHENOTYPES
PIGMENT
PIGMENTOS
PIGMENTS
RACE
RAZAS
SHEEP
Sheep - genetics
Species Specificity
SPECTROMETRIE
SPECTROMETRY
Vertebrata
WOOL
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Description
Summary:Additional peaks that were known on the esr-spectrograms of red human and reddish-brown Karakul hair to be diagnostic traits of phaeomelanin esr-signal also were found on esr-spectrograms of the tan, but not of black or chocolate brown wool from icelandic sheep. This tan color is thought to depend on the presence of phaeomelanin and is due to the top dominant allele at the A locus. The two methods of distinguishing between eu- and phaeomelanin-dependent brown colors—esr-spectrometrical and genetical—are in agreement for European as well as for Asiatic breeds. Both light and dark brown Soay fleece samples lacked the additional peaks and are interpreted as eumelanin pigmentation.
ISSN:0022-1503
1465-7333
DOI:10.1093/oxfordjournals.jhered.a110330