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Different heat-shock proteins are constitutively overexpressed in cadmium and pentachlorophenol adapted Euglena
J P Barque1, A Abahamid, H Chacun
1Laboratoire Métabolisme Cellulaire et Xénobiotiques, Faculté de Pharmacie, Châtenay-Malabry, France.
Biochemical and Biophysical Research Communications
|June 5, 1996
Abstract:
To determine whether cellular resistance to a given stressor is related to induction of specific stress-proteins, responses of two adapted Euglena gracilis cell lines, one adapted to cadmium, the other adapted to pentachlorophenol, were analyzed. Our experiments showed that two sets of heat-shock proteins (hsps) were constitutively overexpressed in each cell line: while hsp90, hsp70, hsp55, and hsp40 were induced in cadmium-resistant cells, only hsp40 was induced in pentachlorophenol-adapted cells.