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Parametric and genetic analysis of Drosophila appetitive long-term memory and sugar motivation Inra
Colomb, J.; Kaiser, L.; Chabaud, M.-A.; Preat, T..
Distinct forms of memory can be highlighted using different training protocols. In Drosophila olfactory aversive learning, one conditioning session triggers memory formation independently of protein synthesis, while five spaced conditioning sessions lead to the formation of long-term memory (LTM), a long-lasting memory dependent on de novo protein synthesis. In contrast, one session of odour-sugar association appeared sufficient for the fly to form LTM. We designed and tuned an apparatus that facilitates repeated discriminative conditioning by alternate presentations of two odours, one being associated with sugar, as well as a new paradigm to test sugar responsiveness (SR). Our results show that both SR and short-term memory (STM) scores increase with...
Tipo: Journal Article Palavras-chave: PROTEINE; ANALYSE GENETIQUE; DROSOPHILE; INSECTE; OLFACTION; SUCRE; GLUCIDE; CONDITIONNEMENT; APPRENTISSAGE; MEMOIRE; ODEUR APPETITIVE LEARNING; CONDITIONING; CRAMMER; MEMORY DYNAMICS; MOTIVATION; PROTEIN SYNTHESIS; RADISH; STARVATION; SUGAR RESPONSIVENESS; TEQUILA.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010a513bd23&uri=/notices/prodinra1/2010/09/
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