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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2011-2-2
pubmed:abstractText
In this study, in silico analysis of the Caenorhabditis elegans genome revealed six genes (cah-1, cah-2, cah-3, cah-4, cah-5, and cah-6) possibly encoding ? class CAs (carbonic anhydrase). Real-time RT-PCR analysis revealed the temporal expression pattern of each gene, as well as changes in expression levels under different atmospheric conditions (stress). Cah-3 and cah-4 showed the highest levels of transcript accumulation, while most genes responded to the stress conditions. Yeast complementation showed that cah-3 was able to complement the function of Saccharomyces cerevisiae CA (NCE103) in vivo. Recombinant CAH-3, CAH-4a and CAH-5 enzymes, expressed in Escherichia coli were used for in vitro measurement of CA activity. However, in vitro activity was only detectable for CAH-4a. RNAi by feeding was performed on wild-type C. elegans for all genes. The worms were examined for a visible phenotype under normal and stress conditions (pH, CO(2)/O(2)). Silencing cah-3 and cah-4 may reduce the life-span of the worms (at 22 °C).
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1573-4978
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
38
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1777-85
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
Molecular and biochemical analysis of the ? class carbonic anhydrases in Caenorhabditis elegans.
pubmed:affiliation
Department of Biotechnology, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece.
pubmed:publicationType
Journal Article