Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris

Ultraviolet radiation (UVR) has many positive effects, but overexposure of organisms can generate alterations in DNA, either directly or indirectly, inducing mutagenic and cytotoxic lesions. The aim of this study was to evaluate the genotoxic effects of UVA-B/visible light in the broad-snouted caima...

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Autor principal:	Poletta, Gisela Laura
Publicado:	2010
Materias:	Caiman latirostris Crocodilians Genotoxicity Micronucleus test UV radiation biological marker DNA alligator animal cell animal experiment article controlled study erythrocyte genotoxicity micronucleus test nonhuman priority journal radiation exposure radiation response ultraviolet A radiation ultraviolet B radiation Alligators and Crocodiles Animals DNA Damage Micronucleus Tests Ultraviolet Rays Animalia Caiman Crocodylidae (all crocodiles) Reptilia
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13835718_v700_n1-2_p67_Schaumburg http://hdl.handle.net/20.500.12110/paper_13835718_v700_n1-2_p67_Schaumburg
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_13835718_v700_n1-2_p67_Schaumburg
record_format	dspace
spelling	paper:paper_13835718_v700_n1-2_p67_Schaumburg2023-06-08T16:12:28Z Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris Poletta, Gisela Laura Caiman latirostris Crocodilians Genotoxicity Micronucleus test UV radiation biological marker DNA alligator animal cell animal experiment article Caiman latirostris controlled study erythrocyte genotoxicity micronucleus test nonhuman priority journal radiation exposure radiation response ultraviolet A radiation ultraviolet B radiation Alligators and Crocodiles Animals DNA Damage Micronucleus Tests Ultraviolet Rays Animalia Caiman Caiman latirostris Crocodylidae (all crocodiles) Reptilia Ultraviolet radiation (UVR) has many positive effects, but overexposure of organisms can generate alterations in DNA, either directly or indirectly, inducing mutagenic and cytotoxic lesions. The aim of this study was to evaluate the genotoxic effects of UVA-B/visible light in the broad-snouted caiman (Caiman latirostris), using the micronucleus (MN) test as a biomarker.Seventy two juvenile caimans, approximately 5 months old, were maintained for during 3 months under total darkness, or under 8 or 16. h of daily exposure to artificial UV/visible light. MN test was applied before and after the experiment and the difference in MN frequencies was determined. Our results indicate significant increases in MN frequency with all treatments, compared to the basal (before experiment) values. Animals exposed to UV radiation showed a greater increase in MN frequency, compared to the animals exposed to total darkness (TD) treatment.These results provide information about the possible harmful effects generated by sub-chronic exposure to UVR in zoos, reptile hobbyist and breeding programs, as well as the deleterious consequences of increased UV environmental impact on wild species such as the broad-snouted caiman. © 2010 Elsevier B.V. Fil:Poletta, G.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2010 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13835718_v700_n1-2_p67_Schaumburg http://hdl.handle.net/20.500.12110/paper_13835718_v700_n1-2_p67_Schaumburg
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Caiman latirostris Crocodilians Genotoxicity Micronucleus test UV radiation biological marker DNA alligator animal cell animal experiment article Caiman latirostris controlled study erythrocyte genotoxicity micronucleus test nonhuman priority journal radiation exposure radiation response ultraviolet A radiation ultraviolet B radiation Alligators and Crocodiles Animals DNA Damage Micronucleus Tests Ultraviolet Rays Animalia Caiman Caiman latirostris Crocodylidae (all crocodiles) Reptilia
spellingShingle	Caiman latirostris Crocodilians Genotoxicity Micronucleus test UV radiation biological marker DNA alligator animal cell animal experiment article Caiman latirostris controlled study erythrocyte genotoxicity micronucleus test nonhuman priority journal radiation exposure radiation response ultraviolet A radiation ultraviolet B radiation Alligators and Crocodiles Animals DNA Damage Micronucleus Tests Ultraviolet Rays Animalia Caiman Caiman latirostris Crocodylidae (all crocodiles) Reptilia Poletta, Gisela Laura Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
topic_facet	Caiman latirostris Crocodilians Genotoxicity Micronucleus test UV radiation biological marker DNA alligator animal cell animal experiment article Caiman latirostris controlled study erythrocyte genotoxicity micronucleus test nonhuman priority journal radiation exposure radiation response ultraviolet A radiation ultraviolet B radiation Alligators and Crocodiles Animals DNA Damage Micronucleus Tests Ultraviolet Rays Animalia Caiman Caiman latirostris Crocodylidae (all crocodiles) Reptilia
description	Ultraviolet radiation (UVR) has many positive effects, but overexposure of organisms can generate alterations in DNA, either directly or indirectly, inducing mutagenic and cytotoxic lesions. The aim of this study was to evaluate the genotoxic effects of UVA-B/visible light in the broad-snouted caiman (Caiman latirostris), using the micronucleus (MN) test as a biomarker.Seventy two juvenile caimans, approximately 5 months old, were maintained for during 3 months under total darkness, or under 8 or 16. h of daily exposure to artificial UV/visible light. MN test was applied before and after the experiment and the difference in MN frequencies was determined. Our results indicate significant increases in MN frequency with all treatments, compared to the basal (before experiment) values. Animals exposed to UV radiation showed a greater increase in MN frequency, compared to the animals exposed to total darkness (TD) treatment.These results provide information about the possible harmful effects generated by sub-chronic exposure to UVR in zoos, reptile hobbyist and breeding programs, as well as the deleterious consequences of increased UV environmental impact on wild species such as the broad-snouted caiman. © 2010 Elsevier B.V.
author	Poletta, Gisela Laura
author_facet	Poletta, Gisela Laura
author_sort	Poletta, Gisela Laura
title	Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
title_short	Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
title_full	Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
title_fullStr	Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
title_full_unstemmed	Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris
title_sort	ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, caiman latirostris
publishDate	2010
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13835718_v700_n1-2_p67_Schaumburg http://hdl.handle.net/20.500.12110/paper_13835718_v700_n1-2_p67_Schaumburg
work_keys_str_mv	AT polettagiselalaura ultravioletradiationinducedgenotoxiceffectsinthebroadsnoutedcaimancaimanlatirostris
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Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris

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