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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Curr Opin Neurobiol. 2016 Sep 23;41:136–148. doi: 10.1016/j.conb.2016.09.002
Box 1: Functions of selected chemosensory neurons involved in C. elegans microcircuits
Neuron: graphic file with name nihms819040t1.jpg graphic file with name nihms819040t2.jpg graphic file with name nihms819040t3.jpg graphic file with name nihms819040t4.jpg graphic file with name nihms819040t5.jpg
Senses: odors, temperature, CO2, salt, osmotic stress, pH odors odors, soluble chemicals, mechanical and osmotic stimuli CO2, O2 odors, pheromones
Schematic of activity:
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Valence promoted: attraction attraction avoidance avoidance (adults)
attraction (dauers)		 avoidance
Relevant interactions:

  • AIB, AIA and AIY (odor attraction)

  • AIA (feedback inhibition)

  • RIA (learned odor avoidance)

  • AIB, RIM and AVA (network variability)

  • HSN (CO2 modulation of egg laying)

  • AIA (attraction/gain control)

  • NSM (reciprocal inhibition circuit)

  • RIM/RIC (reciprocal inhibition circuit)

  • URX (O2 modulation of CO2 response)

  • HSN (CO2 modulation of egg laying)

  • RMG (hub and spoke circuit)

  • ASK (push/pull circuit)