The relentless accuracy with which some mosquito species hunt down humans may result from their bizarrely wired olfactory system, which has an in-built backup for detecting human scents.
as a gene editing tool, the researchers developed mosquitos whose olfactory neurons would express fluorescent proteins and glow under a microscope when certain smells were nearby. This allowed the researchers to see how different scents stimulated the olfactory system.connects several olfactory sensory receptors to the one neuron, a process called coexpression., which states that each neuron only has one chemoreceptor associated with it.
"The central dogma in olfaction is that sensory neurons, for us in our nose, each express one type of olfactory receptor,"
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