Artículo

Taboada, C.; Brunetti, A.E.; Pedron, F.N.; Neto, F.C.; Estrin, D.A.; Bari, S.E.; Chemese, L.B.; Lopes, N.P.; Lagorio, M.G.; Faivovich, J. "Naturally occurring fluorescence in frogs" (2017) Proceedings of the National Academy of Sciences of the United States of America. 114(14):3672-3677
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Abstract:

Fluorescence, the absorption of short-wavelength electromagnetic radiation reemitted at longer wavelengths, has been suggested to play several biological roles in metazoans. This phenomenon is uncommon in tetrapods, being restricted mostly to parrots and marine turtles. We report fluorescence in amphibians, in the tree frog Hypsiboas punctatus, showing that fluorescence in living frogs is produced by a combination of lymph and glandular emission, with pigmentary cell filtering in the skin. The chemical origin of fluorescence was traced to a class of fluorescent compounds derived from dihydroisoquinolinone, here named hyloins. We show that fluorescence contributes 18-29% of the total emerging light under twilight and nocturnal scenarios, largely enhancing brightness of the individuals and matching the sensitivity of night vision in amphibians. These results introduce an unprecedented source of pigmentation in amphibians and highlight the potential relevance of fluorescence in visual perception in terrestrial environments.

Registro:

Documento: Artículo
Título:Naturally occurring fluorescence in frogs
Autor:Taboada, C.; Brunetti, A.E.; Pedron, F.N.; Neto, F.C.; Estrin, D.A.; Bari, S.E.; Chemese, L.B.; Lopes, N.P.; Lagorio, M.G.; Faivovich, J.
Filiación:División Herpetología, Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Ciudad de Buenos Aires, C1405DJR, Argentina
Instituto de Química Física de Los Materiales, Medio Ambiente Y Energía, CONICET, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1428EHA, Argentina
Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto SP, 14040-903, Brazil
Departamento de Química Inorgánica, Analítica Y Química Física, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1428EHA, Argentina
Protein Structure-Function and Engineering Laboratory, Fundación Instituto Leloir, Instituto de Investigaciones, Bioquímicas de Buenos Aires-CONICET, Ciudad de Buenos Aires, C1405BWE, Argentina
Departamento de Biodiversidad Y Biología Experimental, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1428EHA, Argentina
Palabras clave:Amphibia; Anura; Fluorophore; Hylidae; Visual ecology; biliverdin; fluorescent dye; isoquinoline derivative; adult; animal cell; animal tissue; Anura; Article; blue light; brightness; chromatophore; controlled study; crystal; dark adaptation; female; fluorescence; Hypsiboas punctatus; illumination; male; nonhuman; photon; pigmentation; priority journal; quantum yield; skin sensitivity; animal; Anura; chemistry; fluorescence; lymph; night vision; nuclear magnetic resonance spectroscopy; physiology; skin; Animals; Anura; Fluorescence; Lymph; Magnetic Resonance Spectroscopy; Night Vision; Skin
Año:2017
Volumen:114
Número:14
Página de inicio:3672
Página de fin:3677
DOI: http://dx.doi.org/10.1073/pnas.1701053114
Título revista:Proceedings of the National Academy of Sciences of the United States of America
Título revista abreviado:Proc. Natl. Acad. Sci. U. S. A.
ISSN:00278424
CODEN:PNASA
CAS:biliverdin, 114-25-0
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_00278424_v114_n14_p3672_Taboada

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Citas:

---------- APA ----------
Taboada, C., Brunetti, A.E., Pedron, F.N., Neto, F.C., Estrin, D.A., Bari, S.E., Chemese, L.B.,..., Faivovich, J. (2017) . Naturally occurring fluorescence in frogs. Proceedings of the National Academy of Sciences of the United States of America, 114(14), 3672-3677.
http://dx.doi.org/10.1073/pnas.1701053114
---------- CHICAGO ----------
Taboada, C., Brunetti, A.E., Pedron, F.N., Neto, F.C., Estrin, D.A., Bari, S.E., et al. "Naturally occurring fluorescence in frogs" . Proceedings of the National Academy of Sciences of the United States of America 114, no. 14 (2017) : 3672-3677.
http://dx.doi.org/10.1073/pnas.1701053114
---------- MLA ----------
Taboada, C., Brunetti, A.E., Pedron, F.N., Neto, F.C., Estrin, D.A., Bari, S.E., et al. "Naturally occurring fluorescence in frogs" . Proceedings of the National Academy of Sciences of the United States of America, vol. 114, no. 14, 2017, pp. 3672-3677.
http://dx.doi.org/10.1073/pnas.1701053114
---------- VANCOUVER ----------
Taboada, C., Brunetti, A.E., Pedron, F.N., Neto, F.C., Estrin, D.A., Bari, S.E., et al. Naturally occurring fluorescence in frogs. Proc. Natl. Acad. Sci. U. S. A. 2017;114(14):3672-3677.
http://dx.doi.org/10.1073/pnas.1701053114