Effects of the organophosphorus pesticide Folisuper 600 (methyl parathion) on the heart function of bullfrog tadpoles, Lithobates catesbeianus (Shaw, 1802).
Braz J Biol
; 75(4 Suppl 1): S163-8, 2015 Nov.
Article
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| MEDLINE
| ID: mdl-26628237
ABSTRACT
The aim of this work was to evaluate whether the heart function of bullfrog tadpoles (25 Gosner stage) is affected by their acute exposure (48 h) to a sub-lethal concentration (10 µg.L-1) of the active principle of the organophosphorus pesticide Folisuper 600R (methyl parathion - MP). Our results demonstrated that MP causes not only a reduction in tadpoles' cardiac ventricular mass, resulting in a marked reduction in their cardiac twitch force, but also impairs their swimming performance, irrespective of increasing their heart rate. Together, these findings indicate that low and realistic concentration of MP have a negative impact on tadpoles' performance, jeopardizing their survival.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Rana catesbeiana
/
Corazón
/
Insecticidas
/
Metil Paratión
Límite:
Animals
Idioma:
En
Revista:
Braz J Biol
Asunto de la revista:
BIOLOGIA
Año:
2015
Tipo del documento:
Article
País de afiliación:
Brasil