Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

A comparative study of the components of the antioxidant defense system during growth of the mycelium of a wild-type Neurospora crassa strain and mutants, white collar-1 and white collar-2

A comparative study of the components of the antioxidant defense system during growth of the... A comparative study of the changes in the components of the antioxidant defense system (ADS), the activity of superoxide dismutase (SOD) and catalase and the level of extractable SH-groups, during the growth of wild-type and mutant (white collar-1 and white colar-2) Neurospora crassa strains was performed. Oxidative stress developing during spore germination and upon the transition to a stationary growth phase was accompanied in all strains by an increase in the level of extractable SH-groups and SOD activity, whereas the total catalase activity decreased during growth. However, in contrast to the wild-type strain, the activity of the catalase in the mutant strains wc-1 and wc-2 slightly increased upon the transition to the stationary phase. In the wc-2 mutant, SOD activity and the level of extractable SH-groups in the exponential growth phase were always lower than in the wild-type and wc-1 strains. The role of wc-1 and wc-2 genes in the level regulation of reactive oxygen species is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

A comparative study of the components of the antioxidant defense system during growth of the mycelium of a wild-type Neurospora crassa strain and mutants, white collar-1 and white collar-2

Download PDF
5 pages

Loading next page...
 
/lp/springer-journals/a-comparative-study-of-the-components-of-the-antioxidant-defense-SFPi6x253k

References (15)

Publisher
Springer Journals
Copyright
Copyright © 2006 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Medical Microbiology; Biochemistry, general; Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1134/S0003683806030136
Publisher site
See Article on Publisher Site

Abstract

A comparative study of the changes in the components of the antioxidant defense system (ADS), the activity of superoxide dismutase (SOD) and catalase and the level of extractable SH-groups, during the growth of wild-type and mutant (white collar-1 and white colar-2) Neurospora crassa strains was performed. Oxidative stress developing during spore germination and upon the transition to a stationary growth phase was accompanied in all strains by an increase in the level of extractable SH-groups and SOD activity, whereas the total catalase activity decreased during growth. However, in contrast to the wild-type strain, the activity of the catalase in the mutant strains wc-1 and wc-2 slightly increased upon the transition to the stationary phase. In the wc-2 mutant, SOD activity and the level of extractable SH-groups in the exponential growth phase were always lower than in the wild-type and wc-1 strains. The role of wc-1 and wc-2 genes in the level regulation of reactive oxygen species is discussed.

Journal

Applied Biochemistry and Microbiology – Springer Journals

Published: May 10, 2006

There are no references for this article.