Abstract
Two signalling pathways work together to reshape olfactory responses so that hungry flies are attracted to food sources they would otherwise ignore.
Highlights
In eLife, Jing Wang and co-workers at the University of California, San Diego—including Kang Ko as first author—elegantly reveal what happens in flies’ brains that allows them to pursue a broader range of vinegar odor concentrations when hungry (Ko et al, 2015)
Their data show that starvation has a more nuanced influence on the early processing of olfactory information than was previously anticipated: hunger does more than just tune up the flies’ sensitivity to food odors
Ko et al.’s work is the culmination of a series of studies that have addressed how Drosophila process information about this important food odor
Summary
Two signalling pathways work together to reshape olfactory responses so that hungry flies are attracted to food sources they would otherwise ignore. Image Hunger changes how the fly olfactory system processes food odors In eLife, Jing Wang and co-workers at the University of California, San Diego—including Kang Ko as first author—elegantly reveal what happens in flies’ brains that allows them to pursue a broader range of vinegar odor concentrations when hungry (Ko et al, 2015).
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