alexa Methods to produce marker-free transgenic plants.
Molecular Biology

Molecular Biology

Cell & Developmental Biology

Author(s): Darbani B, Eimanifar A, Stewart CN Jr, Camargo WN

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Abstract Selectable marker genes (SMGs) have been extraordinarily useful in enabling plant transformation because of the low efficiency of transgene integration. The most used SMGs encode proteins resistant to antibiotics or herbicides and use negative selection, i.e., by killing nontransgenic tissue. However, there are perceived risks in wide-scale deployment of SMG-transgenic plants, and therefore research has recently been performed to develop marker-free systems. In this review, transformation using markers not based on antibiotic or herbicide resistance genes, as well as different systems of marker gene deletion, are discussed. This article was published in Biotechnol J and referenced in Cell & Developmental Biology

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