Type: Interneuron
Connectivity:
- In MoW: AUA
- In WormWiring: AUAL_h, AUAR_h, AUAL_m, AUAR_m
- In Nemanode: AUA
In Wormbase: AUA, AUAL, AUAR
Lineage: AB alpppppppp, AB praaappppp
Location: Lateral ganglia of head
Description: Dendritic processes run with amphid neuron dendrites, but lack ciliated endings
Neurotransmitter/ Neuropeptide:
- Betaine
- Glutamate
(Wang et al., 2024; Lee et al., 1999)
Innexin expression:
- CHE-7
- INX-1a
- INX-1b
- INX-2
- INX-4
- INX-7
- INX-10a
- INX-14
- UNC-7
- UNC-9
(Altun et al., 2009; Bhattacharya et al., 2019)

Receptor expression:
- GLR-4; glutamate receptor subunit
- NPR-1; neuropeptide Y receptor like protein which mediates social feeding behavior
- SER-2; tyramine receptor (a splice variant)
- Possibly DOP-1; dopamine receptor
(Sanyal et al., 2004; Tsalik and Hobert, 2003; Coates and de Bono, 2002; Brockie et al., 2001)
Function:
- Regulates social feeding behavior along with AQR, PQR and URX neurons (Coates and de Bono, 2002)
- Regulates learned aversive behavior to pathogenic bacteria (Filipowicz et al., 2022)
- Mediates aversive response modulation in starvation conditions (Ezcurra et al., 2016)
Reporters:
- At CGC:
- Other: