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. 2022 Mar 17;8(3):245–256. doi: 10.1038/s41477-022-01108-y

Extended Data Fig. 1. Isolation of TALEN-expressing lines.

Extended Data Fig. 1

The workflow illustrating the procedures involved in the generation of transgenic TALEN-expressing lines and the detection of TALEN cleavage activity in the mitochondrial genome is schematically shown. Tobacco leaves are transformed with Agrobacterium tumefaciens cells harboring TALEN-encoding plasmids. Putative transgenic T0 shoots are regenerated on medium containing kanamycin, rooted and transferred to the greenhouse. DNA is isolated from these plants and assayed by Southern blotting for TALEN activity (that is, cleavage of nad9). Individual T1 seedlings derived from these plants (and selected for kanamycin resistance) are screened again for TALEN activity and then used for T2 seed production. The blue-white pill indicates presence of kanamycin in the medium.