Quantitative variation of melanins in llama (Lama glama L.)

The amount of melanin pigments was investigated in 80 Argentinean llama, representative of seven phenotypes and four different fleece colours, by means of spectrophotometric assays: SpEM (spectrophotometric eumelanin), SpPM (spectrophotometric pheomelanin), SpASM (spectrophotometric alkali soluble m...

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Autores principales: Cecchi, Teresa, Valbonesi, A., Passamonti, Paolo, Frank, Eduardo Narciso, Renieri, Carlo
Formato: Artículo
Lenguaje:Español
Publicado: 2007
Materias:
SF Cultura de los animales
Acceso en línea:http://pa.bibdigital.ucc.edu.ar/4022/1/A_Cecchi_Valbonesi_Passamonti_Frank_Renieri.pdf
Aporte de:
Producción Académica Universidad Católica de Córdoba (UCCor) de Universidad Católica de Córdoba
id I38-R144-4022
record_format dspace
spelling I38-R144-40222025-04-08T22:01:57Z http://pa.bibdigital.ucc.edu.ar/4022/ Quantitative variation of melanins in llama (Lama glama L.) Cecchi, Teresa Valbonesi, A. Passamonti, Paolo Frank, Eduardo Narciso Renieri, Carlo SF Cultura de los animales The amount of melanin pigments was investigated in 80 Argentinean llama, representative of seven phenotypes and four different fleece colours, by means of spectrophotometric assays: SpEM (spectrophotometric eumelanin), SpPM (spectrophotometric pheomelanin), SpASM (spectrophotometric alkali soluble melanin), and SpTM (spectrophotometric total melanin). It was found that, although to a different extent, the quantitative variation of these pigments was affected both by phenotypes and fleece colours and, hence, it was possible to identify and to distinguish homogeneous groups on the basis of these two factors. In particular, SpEM revealed the most reliable parameter for a discrimination among these groups. Low concentrations of this pigment characterize red, wild, and red black phenotypes and distinguish them from black and tan and non-agouti black ones, both showing high concentrations; low concentrations also distinguish reddish brown fleece colour from very dark red and black ones. 2007-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/closedAccess application/pdf spa http://pa.bibdigital.ucc.edu.ar/4022/1/A_Cecchi_Valbonesi_Passamonti_Frank_Renieri.pdf Cecchi, Teresa ORCID: https://orcid.org/0000-0003-1940-864X <https://orcid.org/0000-0003-1940-864X>, Valbonesi, A., Passamonti, Paolo ORCID: https://orcid.org/0000-0001-7293-8477 <https://orcid.org/0000-0001-7293-8477>, Frank, Eduardo Narciso ORCID: https://orcid.org/0000-0001-7860-3563 <https://orcid.org/0000-0001-7860-3563> and Renieri, Carlo ORCID: https://orcid.org/0000-0003-4816-228X <https://orcid.org/0000-0003-4816-228X> (2007) Quantitative variation of melanins in llama (Lama glama L.). Small Ruminant Research, 71 (1/3). pp. 52-58. ISSN 0921-4488 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.smallrumres.2006.04.011
institution Universidad Católica de Córdoba
institution_str I-38
repository_str R-144
collection Producción Académica Universidad Católica de Córdoba (UCCor)
language Español
orig_language_str_mv spa
topic SF Cultura de los animales
spellingShingle SF Cultura de los animales
Cecchi, Teresa
Valbonesi, A.
Passamonti, Paolo
Frank, Eduardo Narciso
Renieri, Carlo
Quantitative variation of melanins in llama (Lama glama L.)
topic_facet SF Cultura de los animales
description The amount of melanin pigments was investigated in 80 Argentinean llama, representative of seven phenotypes and four different fleece colours, by means of spectrophotometric assays: SpEM (spectrophotometric eumelanin), SpPM (spectrophotometric pheomelanin), SpASM (spectrophotometric alkali soluble melanin), and SpTM (spectrophotometric total melanin). It was found that, although to a different extent, the quantitative variation of these pigments was affected both by phenotypes and fleece colours and, hence, it was possible to identify and to distinguish homogeneous groups on the basis of these two factors. In particular, SpEM revealed the most reliable parameter for a discrimination among these groups. Low concentrations of this pigment characterize red, wild, and red black phenotypes and distinguish them from black and tan and non-agouti black ones, both showing high concentrations; low concentrations also distinguish reddish brown fleece colour from very dark red and black ones.
format Artículo
author Cecchi, Teresa
Valbonesi, A.
Passamonti, Paolo
Frank, Eduardo Narciso
Renieri, Carlo
author_facet Cecchi, Teresa
Valbonesi, A.
Passamonti, Paolo
Frank, Eduardo Narciso
Renieri, Carlo
author_sort Cecchi, Teresa
title Quantitative variation of melanins in llama (Lama glama L.)
title_short Quantitative variation of melanins in llama (Lama glama L.)
title_full Quantitative variation of melanins in llama (Lama glama L.)
title_fullStr Quantitative variation of melanins in llama (Lama glama L.)
title_full_unstemmed Quantitative variation of melanins in llama (Lama glama L.)
title_sort quantitative variation of melanins in llama (lama glama l.)
publishDate 2007
url http://pa.bibdigital.ucc.edu.ar/4022/1/A_Cecchi_Valbonesi_Passamonti_Frank_Renieri.pdf
work_keys_str_mv AT cecchiteresa quantitativevariationofmelaninsinllamalamaglamal
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AT passamontipaolo quantitativevariationofmelaninsinllamalamaglamal
AT frankeduardonarciso quantitativevariationofmelaninsinllamalamaglamal
AT reniericarlo quantitativevariationofmelaninsinllamalamaglamal
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