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Identification of a phenylalanine ammonia-lyase inactivating factor in harvested head lettuce (Lactuca sativa)






Physiologia Plantarum 97(2): 327-331

Identification of a phenylalanine ammonia-lyase inactivating factor in harvested head lettuce (Lactuca sativa)

Exposure of harvested crisphead and Iceberg lettuce leaf tissue to hormonal levels of ethylene (10 micro l/litre) at 5 degrees C promoted the de novo synthesis of phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) and an increase in its activity. It also promoted the appearance of the postharvest physiological disorder called russet spotting (RS).


Accession: 002863219



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