Described here is a protocol that enables the colorimetric quantification of the amount of food eaten within a defined interval of time by Drosophila melanogaster larvae exposed to diets of different macronutrient quality. These assays are conducted in the context of a neuronal thermogenetic screen.
The protocol describes the in vivo and in vitro pinewood nematode infection of Pinus pinaster and their volatilome analysis through Gas Chromatography (GC) and GC coupled to Mass Spectrometry (GC-MS).
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