Morphology of Hair Pigmentation in Wild Red Foxes, Silver Foxes, and Their Hybrids

Morphology of Hair Pigmentation in Wild Red Foxes, Silver Foxes, and Their Hybrids The effects of dominant allele A r of locus Agoution the morphology of hair pigmentation were described in foxes. The A r allele was shown to determine the type of melanin and its content in hair with no effect on the morphology of pigment granules and their distribution throughout a hair. Using the method of electron spin resonance (ESR), the types of melanin (eumelanin and pheomelanin) and their content in the hair of red (A r A r EE) and silver (aaEE) foxes and their hybrids (A r aEE) were determined. In silver foxes, only one type of melanin (eumelanin) was found. In red foxes and their hybrids (which are phenotypically similar but darker than red foxes), both types of melanin (eu- and pheomelanin) were found. The highest melanin content was detected in the coat of silver foxes. In the hybrids, the total melanin content was lower than in silver foxes, but significantly higher than in red foxes. In red foxes, the contribution of pheomelanin to the total hair melanin content was twice as large as in the hybrids. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Morphology of Hair Pigmentation in Wild Red Foxes, Silver Foxes, and Their Hybrids

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Publisher
Springer Journals
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1015242017505
Publisher site
See Article on Publisher Site

Abstract

The effects of dominant allele A r of locus Agoution the morphology of hair pigmentation were described in foxes. The A r allele was shown to determine the type of melanin and its content in hair with no effect on the morphology of pigment granules and their distribution throughout a hair. Using the method of electron spin resonance (ESR), the types of melanin (eumelanin and pheomelanin) and their content in the hair of red (A r A r EE) and silver (aaEE) foxes and their hybrids (A r aEE) were determined. In silver foxes, only one type of melanin (eumelanin) was found. In red foxes and their hybrids (which are phenotypically similar but darker than red foxes), both types of melanin (eu- and pheomelanin) were found. The highest melanin content was detected in the coat of silver foxes. In the hybrids, the total melanin content was lower than in silver foxes, but significantly higher than in red foxes. In red foxes, the contribution of pheomelanin to the total hair melanin content was twice as large as in the hybrids.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 13, 2004

References

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