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Papel de la hormona juvenil en la embriogénesis de la cucaracha Blattella germanica (Dictyoptera, Blattellidae)

Authors: Fernández-Nicolas, Ana; Bellés, Xavier;

Papel de la hormona juvenil en la embriogénesis de la cucaracha Blattella germanica (Dictyoptera, Blattellidae)

Abstract

Resultados recientes han cuestio nado que la hormona juvenil (HJ) de los insectos tenga funciones clave en la embriogénesis. Los resultados más concluyentes se han obtenido en el holometábolo Bombyx mori (Lepidoptera, Bombycidae) (Daimon et al., 2015). Hemos abordado esta cuestión en el hemimetábolo Blattella germanica (Dictyoptera, Blattellidae) mediante RNAi maternal, silenciando la expresión de la O-metil-transferasa de la HJ (enzima clave de la biosíntesis de dicha hormona), Methoprene tolerant (Met) y Taiman (receptor y co-receptor de la HJ) y Kruppel-homolog 1 (factor de transcripción que transduce la señal de la HJ). Los perfiles de expresión coinciden con el de niveles de HJ que se observan entre el 50% y 90% del desarrollo. La RNAi produce efectos fenotípicos similares en los cuat ro genes: un 48% de los embriones alcanzan un desarrollo prácticamente normal, pero no logran eclosionar, mientras que el 52% restante eclosiona normalmente. Los resultados son similares a los descritos en B. mori , lo cual indica que la función de la JH de mostrada en esos estudios, facilitar la eclosión de la primera ninfa, está conservada en hemimetábolos y holometábolos.

Trabajo presentado en el V Congreso de la Sociedad Española de Biología Evolutiva (SESBE 2016), celebrado en Murcia del 18 al 21 de enero de 2016.

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selected citations
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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!
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