regulation of positive chemotaxis to cAMP by chlorinated alkylphenone negative regulation of positive chemotaxis to cAMP negative regulation of positive chemotaxis to cAMP by chlorinated alkylphenone 2010-05-17T08:36:55Z Any process that decreases the rate, frequency, or extent of directed movement of a motile cell or organism up a concentration gradient of 3',5'-cAMP by the action of a chlorinated alkylphenone. An alkylphenone is an aromatic polyketide with methyl and chlorine substitutions. GO:0061125 dph biological_process