… orco mutations should significantly impact olfaction. We demonstrate striking functions of
Orco in odorant perception, reproductive physiology, and social behavior plasticity. Surprisingly…

… in general olfactory behaviors. These ants also have deficiencies in social behavior, including
… insects, we also find that orco mutant ants possess striking neuro-anatomical phenotypes, …

… , an important model system for social behavior and chemical … After observing the antennal
lobe defects reported above, we … Such complicated evolution history makes it difficult to give a …

… (leaving the colony to forage), most likely due to a defect in sensing … To address whether the
orco mutation affected dueling and the … This aberrant behavior is paradoxical given that the …

… Moreover, we examined the behaviors of their adults and larvae… inferred to produce a
nonfunctional, truncated Orco protein … these Ors from cell body to neuronal dendrites in H. …

… lobes of the brain was dramatically reduced in orco mutant ants, as … orco mutants, which
points to a possible role for orco in … the diverse social systems within ant species, makes them …

… in antennal ORNs in adult orco mutant ants, we performed … as long as they additionally
produced a functional IR/Irco … mechanism underlying their defective neural development. …

… Out of the ten selected G 0 putative founders, nine produced … to rescue functional defects
in Orco mutants of Drosophila, … -classical model insects, including social behavior in ants 34 , …

… mutation 1, facilitating the identification of the KO allele. Individuals with the Orco KO allele
produced … of the MsexOrco mutation, we analyzed antennal and brain responses to the sex …

… -dependent pathways, we designed a simple two-choice behavioral bioassay to test the … is
required for neuronal physiology as well as a range of downstream olfactory-driven behaviors. …