Activation tagging is a powerful strategy to find new gene functions, especially from genes that are redundant or show lethal knock-out phenotypes. It has been applied using T-DNA or transposons. En/Spm-I/dSpm engineered transposons are efficient activation tags in Arabidopsis. An immobilized transposase source and an enhancer-bearing non-autonomous element are used in combination with positive and negative selectable markers to generate a population of single- or low-copy, stable insertions. This method describes the steps required for selection of parental lines, generation of a population of stable insertions, and gene identification.
CITATION STYLE
Marsch-Martínez, N. (2011). A Transposon-Based Activation Tagging System for Gene Function Discovery in Arabidopsis. In Methods in Molecular Biology (Vol. 754, pp. 67–83). Humana Press Inc. https://doi.org/10.1007/978-1-61779-154-3_4
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