Parauronema virginianum n. g., n. sp., a Marine Hymenostome Ciliate

SYNOPSIS. Parauronema virginianum n. g., n. sp., a marine hymenostome ciliate is described from the Virginia coast. Structural studies were made on specimens treated with the Chatton-Lwoff silver impregnation technic and on animals observed with the phase microscope. Particular attention was given to the buccal ciliature and its importance to generic assignment in the order Hymenostomatida.     

A preliminary investigation of L-phenylalanine ammonialyase activity in asparagus: Distribution and response to storage, excision and incubation

The level of L-phenylalanine ammonia-lyase (PAL) (E.C. 4.3.1.5 [EC] )activity was greatest in the basal portion of freshly harvestedasparagus spears and decreased toward the tips. Basal disksdeveloped large increases in L-phenylalanine ammonia-lyase activityin response to excision and incubation. The level of PAL activitymeasured in basal tissue of intact spears increased with storage,while the ability of the same tissue to respond to excisionand incubation with increased PAL activity was lost. (Received March 23, 1971; )