Table 1.

Phenotypes of mutants in some genes controlling the AWCON/AWCOFF fate

PhenotypeWild-typeolrn-1daf-11nsy-1olrn-2a
Enhancement
    ButanoneNormalAbnormalAbnormalNormalAbnormal
Adaptation
    ButanoneNormalNormalNormalAbnormalNormal
    BenzaldehydeNormalAbnormalNormalNormalNormal
Chemotaxis
    1:10 butanoneNormalNormalNormalNormalNormal
    1:1000 butanoneNormalAbnormalAbnormalNormalNormal
Expression
    str-2 expression1 ON/1 OFF2 OFF2 OFF2 ON1 ON/1 OFF

  • The results show the diversity of AWC neurons concerning the sensitivity and plasticity to various odorants.

  • ↵a The olrn-2 gene does not control the AWCON/OFF fate but is added to this table for comparison.