| 15556070 |
Papadopoulos AI, Polemitou I, Laifi P, Yiangou A, Tananaki C: Glutathione S-transferase in the insect Apis mellifera macedonica kinetic characteristics and effect of stress on the expression of GST isoenzymes in the adult worker bee. Comp Biochem Physiol C Toxicol Pharmacol. 2004 Oct;139(1-3):93-7.
The glutathione S-transferase present in the adult worker bee Apis mellifera macedonica was purified and analyzed for its physicochemical and kinetic properties. The enzyme is heterodimeric with subunit molecular masses of 29 and 25 kDa, respectively. Two main isoenzymes with distinct kinetic properties are present, with isoelectric points of 7.40 for the alkaline and 4.58 for the acidic forms, respectively. The two enzymes are induced independently by factors such as insecticide treatments and environmental conditions, including low temperatures or starvation. |
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