ELECTROPHORETIC VARIANTS OF α-GLYCEROPHOSPHATE DEHYDROGENASE IN THE FIRE ANT SOLENOPSIS INVICTA

aGPDH exists in the fire ant Solenopsis invicfa Buren in two isozymic forms representing two loci. The two isozymic forms are tissue specific and differentially expressed in different developmental stages as well as physiological states. GPDH-2 is monomorphie. GPDH-I is polymorphic with fast and slow alleles. Clear differences in resistance to heat and urea denaturation were observed both between and within the two mobility classes. La fourmi Solenopsis invicta Buren synthCtise deux isszymes de la aGPB, codes par deux locus diffkents. Les deux substances sont specifiques i eertains tissus et se manifestent diffdremment & des stades physiologiques et de dCveloppement distincts. La GDP-2 est mommorphique et la GBP-1 polymorphfique avec les allkles "lent" et "rapide". Des differences au point de vue dhnaturation par la chaleur ou 1'urCe existent entre les deux classes de aapidite et au sein de chacune d9elles. [Traduit par le journal]