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Application of quantitative real-time PCR for quantification of Rhodococcus sp. EH831 in a polyurethane biofilter

Title
Application of quantitative real-time PCR for quantification of Rhodococcus sp. EH831 in a polyurethane biofilter
Authors
Lee E.H.Cho K.S.Ryu H.W.
Ewha Authors
조경숙이은희
SCOPUS Author ID
조경숙scopus; 이은희scopusscopus
Issue Date
2009
Journal Title
Journal of Environmental Biology
ISSN
0254-8704JCR Link
Citation
vol. 30, no. 1, pp. 155 - 159
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Rhodococcus sp. EH831 is a microbial species that can degrade volatile organic compounds. We optimized a method for monitoring quantitative real-time PCR (qRT-PCR) of EH831 that was incorporated into a polyurethane (PU) biofilter. When the genomic DNA of EH831 was directly extracted from a PU sample with immobilized EH831, the recovery efficiency was very low due to DNA absorption into the PU. DNA amplification during PCR was also inhibited by PU impurities. Therefore, a pre-treatment step was necessary. We successfully recovered cells from the PU by squeezing the matrix, adding sterilized water, and vortexing. The recovery efficiency ranged from 105 to 144%, and there was no statistically significant difference. We designed a novel TaqMan probe for EH831 and demonstrated its high specificity for EH831. The detection range for EH831 was 105-1011 CFU ml-1. The method described in this study can be used to investigate the relationship between quantitative analysis of Rhodococcus sp. EH831 and PU biofilter performance. © Triveni Enterprises, Lucknow (India).
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엘텍공과대학 > 환경공학전공 > Journal papers
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