Abstract
Transgene copy number is usually determined by means of Southern blot analysis which can be time consuming and laborious. In this study, quantitative real-time PCR was developed to determine transgene copy number in transgenic wheat. A conserved wheat housekeeping gene,puroindoline-b, was used as an internal control to calculate transgene copy number. Estimated copy number in transgenic lines using real-time quantitative PCR was correlated with actual copy number based on Southern blot analysis. Real-time PCR can analyze hundreds of samples in a day, making it an efficient method for estimating copy number in transgenic wheat.
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