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Author

Vasiliki Mantzana Oikonomaki

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2 papers indexed here

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Open access Sep 2026

Frogs have layers: a comparative histological study of colour polymorphism in Oophaga poison frogs

Spectral reflectance measurements correlated significantly with chromatophore traits, supporting a link between skin histology and colour phenotype, and suggest that colouration in Oophaga arises from less conserved chromatophore unit structure, reflecting diverse evolutionary routes to equivalent colouration.

Vasiliki Mantzana Oikonomaki, Mats Johannes Wiborg, Giselle Tamayo-Castillo et al. · 0 citations
Sep 2026

Transcriptomic signatures of carotenoid-based color polytypism in Oophaga granulifera (Anura: Dendrobatidae).

Gene ontology enrichments indicate that, along with the carotenoid metabolism genes, red frogs upregulate the metabolism of amino acids, lipids and the mitochondrial energy production, markedly in the liver but also in the skin.

Ariel Rodríguez, Víctor Vásquez, Vasiliki Mantzana Oikonomaki et al. · 1 citation

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