. "\"Any process that decreases the rate, frequency or extent of nitric oxide mediated signal transduction. Nitric oxide mediated signal transduction is a series of molecular signals mediated by the detection of nitric oxide (NO).\" [GOC:BHF, GOC:dph, GOC:tb]" . . "negative regulation of nitric oxide mediated signal transduction" . "negative regulation of nitric oxide-mediated signal transduction" . . .