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The relationship between the levels of total sialic acid, lipid peroxidation and superoxide dismutase, catalase, glutathione peroxidase, ascorbate antioxidant in urea supplemented medium by Fusarium species

Paper ID Volume ID Publish Year Pages File Format Full-Text
18508 42725 2006 6 PDF Available
Title
The relationship between the levels of total sialic acid, lipid peroxidation and superoxide dismutase, catalase, glutathione peroxidase, ascorbate antioxidant in urea supplemented medium by Fusarium species
Abstract

The relationship between the levels of total sialic acid (TSA), lipid peroxide (LPO), ascorbate and superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) activities in Fusarium acuminatum and Fusarium equiseti was investigated depending on the urea concentration. SOD, CAT and GSH-Px activities of F. acuminatum have been increased up to 15 g/L urea, but increases of urea concentration to 25 g/L caused to decreases in the enzyme activity. In addition, SOD and CAT activities of F. equiseti have been negatively correlated depending on the increase in urea concentration during incubation period. However, there was no significant difference in SOD activity of F. equiseti grown 5–15 g/L urea supplemented medium. The lowest values of GSH-Px activities of both Fusarium species were determined at 25 g/L urea. As another antioxidant enzyme, ascorbate production of F. acuminatum and F. equiseti were negatively correlated with urea concentration used. At the same time, the variations of sialic acid of the Fusarium species showed positive correlation with antioxidant and it was negatively correlated with membrane LPO levels. The results suggest that antioxidant enzymes are effective parameter on the membrane bound sialic acid and lipid peroxidation level, which have an important impact on life span.

Keywords
Sialic acid; LPO levels; Antioxidant enzymes; Urea
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The relationship between the levels of total sialic acid, lipid peroxidation and superoxide dismutase, catalase, glutathione peroxidase, ascorbate antioxidant in urea supplemented medium by Fusarium species
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 39, Issue 4, 2 August 2006, Pages 697–702
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us