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Revista Facultad de Ciencias Básicas
Article . 2016 . Peer-reviewed
License: CC BY NC ND
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Revista Facultad de Ciencias Básicas
Article
License: CC BY NC ND
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Alteraciones Histopatológicas de los Bulbos Olfatorios de Cachama Blanca ante una Presentación Comercial de Glifosato: (Roundup® Activo)

Authors: Castañeda Cortés, Diana C; Gómez Ramírez, Edwin; Hurtado Giraldo, Hernán;

Alteraciones Histopatológicas de los Bulbos Olfatorios de Cachama Blanca ante una Presentación Comercial de Glifosato: (Roundup® Activo)

Abstract

<span>El glifosato, en su presentación comercial Roundup® Activo, es un herbicida de amplio uso en Colombia. Se ha reportado que en <em>Piaractus brachypomus</em> este herbicida puede generar alteraciones a nivel cerebral incluyendo los bulbos olfatorios y se plantea que una de sus posibles vías de entrada al sistema nervioso central es el sistema olfativo. Por tal motivo, se pretende determinar las alteraciones histopatológicas del Roundup® Activo en los bulbos olfatorios de <em>P. brachypomus</em>. Se utilizaron 45 alevinos de <em>P. brachypomus</em> tratados con tres dosis (0, 0.1 y 1 mg/l) de Roundup® Activo durante un mes. Trascurrido un mes los cerebros fueron disectados, fijados y procesados para procesamiento en microscopia óptica de alta resolución. El tratamiento de 0 mg/l de Roundup® Activo no presentó alteraciones histopatológicas en las diferentes células de los núcleos neuronales se observaron normales. No obstante, los individuos expuestos a 0.1 y 1 mg/l de Roundup® Activo presentaron células granulares que se identificaron principalmente asociadas a los vasos sanguíneos de la pía madre del bulbo olfativo. La presencia de células granulares en los bulbos olfatorios es un indicativo de daños a nivel tisular. Teniendo en cuenta que el sistema olfativo está directamente implicado procesos vitales para los peces como la alimentación, la reproducción y el reconocimiento intra e inter específico; exposiciones prolongadas a este herbicida podrían afectar el adecuado desarrollo de <em>P. brachypomus </em>y su interacción con el ambiente.</span>

Country
Colombia
Related Organizations
Keywords

Células granulares, herbicidas, Roundup® Activo, Toxicología acuática, sistema olfativo

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold