SnmpZ0429 contains a 5bp deletion that introduces a frame-shift and a concomitant premature termination at residue 204, approximately half-way through the protein.
5 bp deletion that causes a frameshift and early termination near the middle of the Snmp1 protein.
In Snmp1Z0429 mutants, ai2 sensilla/Or83c neurons show delayed deactivation upon stimulation with farnesol, as compared to controls.
Although they are still activated by farnesol, ai2a neurons from Snmp1Z0429 mutants have defective response kinetics.
SnmpZ0429 mutants are defective for cVA (11-cis-vaccenyl acetate) sensitivity. T1 neurons from SnmpZ0429 mutants display increased basal activity (14-25 spikes per second compared with wild-type at ~1 spike per second). Basal activity and olfactory responses of basiconic neurons in SnmpZ0429 mutants are indistinguishable from wild-type controls.
Snmp1Z0429 has abnormal neurophysiology | adult stage phenotype, enhanceable by Df(3R)OS-EF-
Snmp1Z0429 has abnormal smell perception phenotype, suppressible by Scer\GAL4Snmp1.PR/Or83cUAS.cRa
Snmp1Z0429 has abnormal neurophysiology phenotype, suppressible by Scer\GAL4Snmp1.PR/Or83cUAS.cRa
Snmp1Z0429 has abnormal smell perception phenotype, non-suppressible by lush1
Snmp1Z0429 has antennal intermediate sensillum ai2 phenotype, enhanceable by Df(3R)OS-EF-
Snmp1Z0429 has adult olfactory receptor neuron Or67d phenotype, enhanceable by Df(3R)OS-EF-
Snmp1Z0429 has antennal intermediate sensillum ai2 phenotype, suppressible by Scer\GAL4Snmp1.PR/Or83cUAS.cRa
In Snmp1Z0429, Df(3R)OS-EF- double mutants, ai2 sensilla/Or83c neurons show a delayed deactivation upon stimulation with farnesol that is more severe than that of Snmp1Z0429 single mutants and similar to that of Df(3R)OS-EF- single mutants.
Driving Or83cScer\UAS.cRa with Scer\GAL4Snmp1.PR restores farnesol sensitivity to ai2b neurons in Snmp1Z0429 mutants.
Snmp1Z0429 is rescued by Snmp1Or67d.PJ
Snmp1Z0429 is not rescued by Snmp1lush.PJ
Expression of SnmpOr67d.PJ in T1 neurons restores cVA sensitivity in SnmpZ0429 mutants.
Expression of Snmplush.PJ in support cells fails to restore cVA sensitivity in SnmpZ0429 mutants.