[C.elegansII] u8amb : touch insensitive; lethargic. ES2. ME?. OA>50: e75 (recessive, ME3), u7cs, e1084 (probable null), e1514, e1608dm, u284sd, etc. Alleles vary in phenotype from weak recessive to strong dominant Mec; complex complementation. Cloned: encodes predicted 440 aa protein with central similarity to human stomatin (65% identity over 247 aa). mec-2:lacZ expressed in cell bodies and processes of touch cells, some other neurons.??? [Chalfie and Au 1989; Huang et al. 1995; TU]