TITLE

Gene transcription analysis of carrot allergens by relative quantification with single and duplex reverse transcription real-time PCR

AUTHOR(S)
Zagon, Jutta; Jansen, Bärbel; Knoppik, Meike; Ehlers, Anke; Kroh, Lothar W.; Holzhauser, Thomas; Vieths, Stefan; Broll, Hermann
PUB. DATE
January 2010
SOURCE
Analytical & Bioanalytical Chemistry;Jan2010, Vol. 396 Issue 1, p483
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Single and duplex real-time polymerase chain reaction (PCR) systems have been developed to quantify specific mRNA transcription of genes coding for the major Daucus carota allergen isoforms Dau c 1.01 and Dau c 1.02. Methods were tested with samples from the local market. Whereas the gene transcription levels for Dau c 1.01 were consistently high in all investigated samples, significant differences for the Dau c 1.02 transcription could be demonstrated in randomly collected market samples. The gene transcription level for the minor Dau c 1.02 variant is about one log below Dau c 1.01. Both formats, single or duplex real-time methods, exhibit ideal cycle threshold (CT) ranges and good reproducibility. In particular, the easily performed duplex real-time PCR system is potentially suited for the selection of hypoallergenic varieties and studying the impact of post-harvesting or environmental conditions.
ACCESSION #
45657308

 

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