cpd-2 | IL. Right of arg-1 (6%). Impaired activity of orthophosphate-regulated cyclic phosphodiesterase. Reduced adenylate cyclase activity. Isolated by filtration enrichment from a pho-2 progenitor as cAMP could not be used as the sole phosphorus source. Aerial hyphae are short on solid medium; rhythmic conidiation on solid medium resembles that of bd. | IL | B |