Zygosity identification in transgenic cotton (Gossypium hirsutum) by real-time quantitative PCR View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2009-11-22

AUTHORS

Mehri Javdi, Ali Haghnazari, Masoud Tohidfar, Shahin Negari, Behzad Ghareyazi

ABSTRACT

Successful identification of homozygous and heterozygous transgenic plant with currently available techniques such as southern blot hybridization, dot blot hybridization, fluorescence in situ hybridization (FISH) and so on, demands tedious and time-consuming procedures with a high proportion of ambiguous results. Real-time PCR is a quantitative and extremely precise method with high throughput that could be applied to the analysis of large number of plants differing only by a factor of two in the amount of target sequences. In the present study, we determined zygosity level of transgenes in cotton [Gossypium hirsutum L.] with two zygosity assays, based on TaqMan technology that uses a fluorogenic probe which hybridizes to a PCR target sequence flanked by primers. TPS, a single copy gene per haploid Gossypium hirsutum genome was used as the endogenous reference to estimate copy number of transgene. Both assays were accurate and reproducible in determination of the number of transgenes present in a cell line. These methods are standard curves and Delta delta Ct method. More... »

PAGES

185-191

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10681-009-0079-1

DOI

http://dx.doi.org/10.1007/s10681-009-0079-1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1043144720


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