Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2003-7-23
pubmed:abstractText
Copper/zinc superoxide dismutase was cloned from the zebrafish ( Danio rerio). The full coding region of the zebrafish superoxide dismutase (ZSOD) complementary DNA was ligated with pET-20b(+) and successfully expressed in Escherichia coli strain AD494(DE3)pLysS. The active enzyme was purified by His tagging. The ZSOD yield was 6 mg from 0.2 L of E. coli culture, and the specific activity was 2000 U/mg as assayed using a RANSOD kit. The enzyme stability was characterized by reaction to temperature, pH, and detergent treatment. The results showed enzyme activity was still active after heat treatment at 70 degrees C for 10 minutes, resistant to pH treatment from 2.3 to 12, and resistant to treatment with sodium dodecyl sulfate (SDS) under 4%. In addition, the recombinant ZSOD was used to protect fish from 100 ppm of paraquat-induced oxidative injury by soaking fish larva in 55 micro g/ml SOD enzyme. The results were significant.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1436-2228
pubmed:author
pubmed:issnType
Print
pubmed:volume
5
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
167-73
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:articleTitle
Characterization of fish Cu/Zn-superoxide dismutase and its protection from oxidative stress.
pubmed:affiliation
Graduate Institute of Life Sciences, National Defense Medical Center, Taiwan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't