Title |
Evaluation on the effectiveness of 2-deoxyglucose-6-phosphate phosphatase (DOGR1) gene as a selectable marker for oil palm (Elaeis guineensis Jacq.) embryogenic calli transformation mediated by Agrobacterium tumefaciens
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Published in |
Frontiers in Plant Science, September 2015
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DOI | 10.3389/fpls.2015.00727 |
Pubmed ID | |
Authors |
Abang Masli Dayang Izawati, Mat Yunus Abdul Masani, Ismail Ismanizan, Ghulam Kadir Ahmad Parveez |
Abstract |
DOG(R)1, which encodes 2-deoxyglucose-6-phosphate phosphatase, has been used as a selectable marker gene to produce transgenic plants. In this study, a transformation vector, pBIDOG, which contains the DOG(R)1 gene, was transformed into oil palm embryogenic calli (EC) mediated by Agrobacterium tumefaciens strain LBA4404. Transformed EC were exposed to 400 mg l(-1) 2-deoxyglucose (2-DOG) as the selection agent. 2-DOG resistant tissues were regenerated into whole plantlets on various regeneration media containing the same concentration of 2-DOG. The plantlets were later transferred into soil and grown in a biosafety screenhouse. PCR and subsequently Southern blot analyses were carried out to confirm the integration of the transgene in the plantlets. A transformation efficiency of about 1.0% was obtained using DOG(R)1 gene into the genome of oil palm. This result demonstrates the potential of using combination of DOG(R)1 gene and 2-DOG for regenerating transgenic oil palm. |
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