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. 2018 Nov 8;8:16534. doi: 10.1038/s41598-018-34724-w

Figure 1.

Figure 1

Transformation rates of honeybee queens using different transposases (iPBase and hyPBaseapis), transposase mRNA concentrations and injection sites. Honeybee embryos were injected at either the posterior or the anterior site (a) with 90 pg or 240 pg of iPBase and hyPBaseapis encoding mRNA and piggyBac plasmid. Genetic transformation was tested by amplification of the transgene via PCRs in male (drone) offspring (b). P is shown for fisher’s exact test for the significant difference only.