1960
DOI: 10.1126/science.131.3413.1615
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Effect of DDT on Free Amino Acids of Susceptible and DDT-Resistant Aedes aegypti Larvae

Abstract: The exposure of mosquito larvae (Aedes aegypti L.) to LC(50) concentrations of DDT for various periods of time resulted in a selective increase in the alanine level of a DDT-resistant strain after 4 to 8 hours' contact with the insecticide, whereas the concentration of this amino acid in a susceptible strain remained comparatively low.

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Cited by 6 publications
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“…A depletion of proline in roaches after exposure Biochemistry to DDT has been reported (Corrigan and Kearns, 1958). Another interesting metabolic effect concerns a-alanine, which had a higher concentration in resistant than in susceptible mosquito larvae after treatment with DDT (Micks et al, 1960).…”
Section: Discussionmentioning
confidence: 99%
“…A depletion of proline in roaches after exposure Biochemistry to DDT has been reported (Corrigan and Kearns, 1958). Another interesting metabolic effect concerns a-alanine, which had a higher concentration in resistant than in susceptible mosquito larvae after treatment with DDT (Micks et al, 1960).…”
Section: Discussionmentioning
confidence: 99%
“…piretroides, organofosforados, carbamatos y neonicotinoides) actúan sólo sobre cuatro de los 28 targets de acción insecticida, descriptos por el comité de acción sobre la resistencia a insecticidas (IRAC 2015). Como agravante además, existen elevado costo ambiental en su uso: 1) elevadas tasas de persistencia en el ambiente y fijación en la cadena alimentaria, como por ejemplo sucede para el DDT (Micks, Ferguson et al 1960;Casida and Durkin 2013); 2) alta toxicidad para vertebrados como el TEPP (Klendshoj, Moran et al 1952;Leach 1953;Lewis, McKeon et al 1955;Kleinfeld, Magin et al 1960); 3) acción perjudicial sobre insectos benéficos tales como las abejas, como sucede con los neonicotinoides (Casida 2009;du Rand, Smit et al 2015;Wu-Smart and Spivak 2016); 4) contaminación de cuerpos de agua (Micks 1960;Micks, Ferguson et al 1960;Casida and Durkin 2013); 5) desarrollo de elevadas tasas de resistencia por mecanismos detoxificativos o mutación de sitio target (Milani 1957;Tsukamoto 1964;Brown 1969;Oppenoorth 1971;Sawicki 1975). Estos antecedentes refuerzan la necesidad de una búsqueda de alternativas en la estrategia del control de plagas.…”
Section: El Sistema Neuroendócrino De Insectos Como Fuente Potencial unclassified