Microassay of phenoloxidase activity in Helicoverpa armigera haemolymph.
Author of the article:YIN Li-Hong,WANG Chen-Zhu,QIN Jun-De
Author's Workplace:(Institute of Zoology,Chinese Academy of Sciences,Beijing100080,China).
Key Words:Helicoverpa armigera; phenoloxidase; prophenoloxidase; microassay
Abstract:Insect haemolymph melanization can be induced by activating prophenoloxidase (ProPO) cascade. Phenoloxidase (PO) plays an important role in insect humoral immunity. Using an anticoagulant it was possible to isolate plasma and intact haemocytes from Hel