Lesser kestrel males display inter-individual variation in melanin-based plumage traits, like ventral plumage colouration and breast/underwing spottiness. We explored whether such plumage variability was associated with single-nucleotide genetic polymorphisms of melanocortin-1-receptor (MC1R) and tyrosinase-related protein 1 (TYRP1), two genes involved in the melanogenesis pathway. No statistically significant associations between single-nucleotide mutations and male plumage traits emerged, though in some cases very rare (< 2%) homozygous mutated individuals displayed extreme plumage phenotypes. Hence, large inter-individual male Lesser Kestrel plumage variation, which is consistent between years and partly age related, was only marginally related to untranslated region and coding sequence variation of MC1R and TYRP1.

Sequence variation in melanocortin-1-receptor and tyrosinase-related protein 1 genes and their relationship with melanin-based plumage trait expression in Lesser Kestrel (Falco naumanni) males / M. Corti, S. Podofillini, M. Griggio, L. Gianfranceschi, A. Ducrest, A. Roulin, J.G. Cecere, N. Saino, D. Rubolini. - In: JOURNAL OF ORNITHOLOGY. - ISSN 0021-8375. - 159:2(2018 Apr), pp. 587-591. [10.1007/s10336-018-1537-0]

Sequence variation in melanocortin-1-receptor and tyrosinase-related protein 1 genes and their relationship with melanin-based plumage trait expression in Lesser Kestrel (Falco naumanni) males

M. Corti;S. Podofillini;L. Gianfranceschi;N. Saino;D. Rubolini
2018

Abstract

Lesser kestrel males display inter-individual variation in melanin-based plumage traits, like ventral plumage colouration and breast/underwing spottiness. We explored whether such plumage variability was associated with single-nucleotide genetic polymorphisms of melanocortin-1-receptor (MC1R) and tyrosinase-related protein 1 (TYRP1), two genes involved in the melanogenesis pathway. No statistically significant associations between single-nucleotide mutations and male plumage traits emerged, though in some cases very rare (< 2%) homozygous mutated individuals displayed extreme plumage phenotypes. Hence, large inter-individual male Lesser Kestrel plumage variation, which is consistent between years and partly age related, was only marginally related to untranslated region and coding sequence variation of MC1R and TYRP1.
Falconidae; Genotype; phenotype associations; Melanogenesis pathway; Plumage melanisation; Single nucleotide polymorphism; Rare variants
Settore BIO/07 - Ecologia
apr-2018
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/555908
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