期刊
FOOD CONTROL
卷 19, 期 9, 页码 893-897出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2007.08.020
关键词
multiplex qualitative PCR; adventitious presence; GT73; Ms8xRf3; T45; OXY235
Genetically modified (GM) canola is the most widely grown oilseed crop in Canada. At this time, commercially produced GM canola cultivars in Canada have the events GT73/RT73 and Ms8xRf3. Commercial seed sale of canola cultivars containing the GM events such as OXY235 and T45 has been discontinued. Adventitious presence of GM seeds and grains in non-GM grains is a concern for international grain trade, and development of effective detection methods is important. A multiplex qualitative PCR procedure was established for the detection of the GM canola events OXY235, Ms8xRf3, T45 and GT73. The presence of the GM canola events was also successfully detected in ground spiked wheat and barley grain samples prepared at 0.1%, 0.5% and 1.0% levels (w/w). The GT73 real-time PCR assay was successfully used to quantify DNA extracted from spiked ground canola samples consisting of 5%, 1%, 0.5% and 0.1% GT73 (w/w). Crown Copyright (C) 2007 Published by Elsevier Ltd. All rights reserved.
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