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Detektion av mRNA från en cytokrom c gen belägen i genklustret för kloratmetabolism i Ideonella dechloratans
Karlstad University, Faculty of Technology and Science.
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Detection of mRNA from a cytochrome c gene located in the genecluster for chlorate metabolism in Ideonella dechloratans (English)
Abstract [en]

Abstract:In previous experiments with the bacterium Ideonella dechloratans a probable sequencecoding for a cytochrome c protein (cyt c) was observed, the sequence is assumed to have afunction in the bacterial respiratory chain. Detection attempts have been made to try to findthis protein, but have not succeeded. The purpose of this project is to detect the expressionof mRNA associated with the cytochrome c. And if it is detected, it will also be investigated ifthere is any difference in expression of the mRNA due to aerobic or anaerobic environment.Total RNA was purified from cultures grown under aerobic and anaerobic conditions. cDNAwas then synthesized using reverse transcriptase and subsequently amplified with thespecific primers in a qRT-PCR.qRT-PCR testing showed a distinct amplification of primer product, confirming that I.dechloratans expresses mRNA coding for the cyt c protein. Since the protein has not beenobserved in attempts to purify c cytochromes from I. dechloratans this indicates that thedetection efforts of the protein failed or that the regulation of the protein is stronglyinhibited after the transcription step. The tests suggest that a possible difference inexpression between aerobic and anaerobic culture conditions may occur, but more and better-optimized tests are needed to confirm this.

Place, publisher, year, edition, pages
2012. , 23 p.
National Category
Biological Sciences
URN: urn:nbn:se:kau:diva-14013Local ID: KEM-31OAI: diva2:537778
Subject / course
Life Earth Science
Available from: 2012-06-29 Created: 2012-06-27 Last updated: 2012-06-29Bibliographically approved

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Uppsats Pontus Sundin VT-12(432 kB)275 downloads
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