TABLE 2.

C. elegans strains and genotypes

Strain	Relevant mutation	Genotype
N2		Wild type
tax-2; tax-4	tax-2; tax-4	tax-2(ks10); tax-4(p678)
FG125	ocr-2, osm-9	ocr-2(ak47) osm-9(ky10) IV
FK311	ceh-36	ceh-36(ks86) X
PR674	che-1	che-1(p674) I
CX6161	nsy-5	inx-19(ky634) I
CX4998	nsy-1	kyIs140 I; nsy-1(ky397) II
CX3695	str-2::GFP	kyIs140[str-2::GFP + lin-15(+)] I
OH3679	che-1::GFP	otIs114[lim-6p::GFP + rol-6(su1006)]
OH3192	gcy-5::GFP	ntIs1 adEx1262[lin-15(+); gcy-5::GFP]
OH3351	gcy-6::GFP	otIs162[gcy-6::GFP + lin-15(+)]