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CELL TYPE LINEAGE LOCATION NEUROTRANSMITTER ASSOCIATED GLIA

ASEL
ASER
Sensory neuron (Chemosensory) AB alppppppaa
AB praaapppaa Lateral ganglia of head
Express neuropeptide-like proteins, NLP-3, NLP-7, NLP-14 (Nathoo A. et al 2001).

Express the FMRFamide-related neuropeptide (FaRP), FLP-21 (Rogers C. et al, 2003).
AMsh and AMso

DESCRIPTION

Amphid neurons, single ciliated endings, project into ring via commissure from
ventral ganglion, make diverse synaptic connections in ring neuropil.

Functions: Involved in chemotaxis to cAMP, biotin, Cl-, Na+ and lysine; ASEL is primarily sensitive to sodium, whereas ASER is primarily sensitive to chloride and potassium (Bargmann C.I. and Horvitz H.R., 1991 and Pierce-Simomura J.T.et al, 2001). Opposite intacellular Ca++ transients are suggested to be generated in ASEL and ASER in response to changes in NaCl concentrations (Suzuki H. et al, 2004). Mediates avoidance behavior from Cd2+ and Cu2+ (Sambongi Y. et al 1999).

Receptor expression: ASEL expresses orphan receptor (chemosensory/odorant?) guanylyl cyclases GCY-6 and GCY-7 and ASER expresses GCY-5 (Yu S. et al, 1997). Express mammalian capsaicin receptor-like protein OSM-9 (Colbert H.A. et al 1997). Express neuropeptide Y receptor like protein, NPR-1 (Coates J. C. and de Bono M., 2002).

See Quicktime movie of confocal stack gcy-5::GFP expression in ASER ( by David Miller)

(reference: Baude, E. J. et al. (1997) The cloning of a Caenorhabditis elegans guanylyl cyclase and the construction of a ligand-sensitive mammalian/nematode chimeric receptor 272 16035-9).

CELL	TYPE	LINEAGE	LOCATION	NEUROTRANSMITTER	ASSOCIATED GLIA
ASEL ASER	Sensory neuron (Chemosensory)	AB alppppppaa AB praaapppaa	Lateral ganglia of head	Express neuropeptide-like proteins, NLP-3, NLP-7, NLP-14 (Nathoo A. et al 2001). Express the FMRFamide-related neuropeptide (FaRP), FLP-21 (Rogers C. et al, 2003).	AMsh and AMso
DESCRIPTION
Amphid neurons, single ciliated endings, project into ring via commissure from ventral ganglion, make diverse synaptic connections in ring neuropil. Functions: Involved in chemotaxis to cAMP, biotin, Cl-, Na+ and lysine; ASEL is primarily sensitive to sodium, whereas ASER is primarily sensitive to chloride and potassium (Bargmann C.I. and Horvitz H.R., 1991 and Pierce-Simomura J.T.et al, 2001). Opposite intacellular Ca++ transients are suggested to be generated in ASEL and ASER in response to changes in NaCl concentrations (Suzuki H. et al, 2004). Mediates avoidance behavior from Cd2+ and Cu2+ (Sambongi Y. et al 1999). Receptor expression: ASEL expresses orphan receptor (chemosensory/odorant?) guanylyl cyclases GCY-6 and GCY-7 and ASER expresses GCY-5 (Yu S. et al, 1997). Express mammalian capsaicin receptor-like protein OSM-9 (Colbert H.A. et al 1997). Express neuropeptide Y receptor like protein, NPR-1 (Coates J. C. and de Bono M., 2002).