EFFECT OF GLUCOSE ON THE SUPEROXIDE-DISMUTASE PRODUCTION IN FUNGAL STRAIN HUMICOLA-LUTEA

被引:22
作者
ANGELOVA, MB
GENOVA, LK
SLOKOSKA, LS
PASHOVA, SB
机构
[1] Institute of Microbiology, Bulgarian Academy of Sciences, 1113 Sofia
关键词
HUMICOLA LUTEA; FUNGI; SUPEROXIDE DISMUTASE; INTRACELLULAR ENZYME; GLUCOSE EFFECT;
D O I
10.1139/m95-136
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The effect of glucose on superoxide dismutase (SOD) activity produced in Humicola lutea 110 was determined. The relatively high glucose concentration in the medium did not repress SOD levels in the cells. Glycerol, a nonfermentable carbon source, caused a slight stimulation of SOD synthesis. Furthermore, the specific rates of enzyme production in the medium with different glucose concentration showed an insignificant difference. Cyclic AMP had no effect on SOD levels. The shift in metabolism as glucose was depleted resulted in an increase in the rate of synthesis of both isocitric dehydrogenase and SOD. Pentachlorophenol and paraquat, which cause the production of superoxide radicals, caused an increase in SOD activity. These results led us to conclude that it is superoxide ion rather than glucose that is controlling SOD levels.
引用
收藏
页码:978 / 983
页数:6
相关论文
共 25 条
[1]  
Angelova M., 1993, Comptes Rendus de l'Academie Bulgare des Sciences, V46, P77
[2]  
ASTAPOVICH N I, 1982, Mikrobiologiya, V51, P915
[3]  
AVERYANOV AA, 1985, IZV ACAD SCI SSSR B, V4, P521
[4]   SUPEROXIDE DISMUTASE - IMPROVED ASSAYS AND AN ASSAY APPLICABLE TO ACRYLAMIDE GELS [J].
BEAUCHAM.C ;
FRIDOVIC.I .
ANALYTICAL BIOCHEMISTRY, 1971, 44 (01) :276-&
[5]   ENVIRONMENTAL FACTORS INFLUENCING SYNTHESIS AND EXCRETION OF EXOCELLULAR MACROMOLECULES [J].
BULL, AT .
JOURNAL OF APPLIED CHEMISTRY AND BIOTECHNOLOGY, 1972, 22 (02) :261-&
[6]   HEXOKINASE FROM BAKERS YEAST [J].
DARROW, RA ;
COLOWICK, SP .
METHODS IN ENZYMOLOGY, 1962, 5 :226-235
[7]  
DECORMBRUGGE B, 1969, J BIOL CHEM, V244, P5828
[8]   ACTIVATION AND INDUCTION BY COPPER OF CU/ZN SUPEROXIDE-DISMUTASE IN SACCHAROMYCES-CEREVISIAE - PRESENCE OF AN INACTIVE PROENZYME IN ANAEROBIC YEAST [J].
GALIAZZO, F ;
CIRIOLO, MR ;
CARRI, MT ;
CIVITAREALE, P ;
MARCOCCI, L ;
MARMOCCHI, F ;
ROTILIO, G .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1991, 196 (03) :545-549
[9]   REGULATION OF ANTIOXIDANT ENZYMES [J].
HARRIS, ED .
FASEB JOURNAL, 1992, 6 (09) :2675-2683
[10]  
HASSAN HM, 1977, J BIOL CHEM, V252, P7667