Table 1

EGFP expression patterns of mutant Enhancer-trap appb BACs
Enhancer -trap BAC injected Intron enhancers Average of 4 or 6 injections
Deletions from CT-repeat end # of eggs injected # of embryos survived # of expression in neurons
Δ94C CT+ve 75 32 10
Δ2C, Δ76C, Δ51D CT-ve 90 40 8
Δ5C, Δ14C, Δ17D, Δ21D CT-ve, SOX 5-ve 110 33 9
Δ17C, Δ9D, Δ14D CT-ve, SOX 5-ve, E4BP4-ve 140 70 0
Deletions from GATA3 end
Δ46C, Δ27D, Δ28D GATA3-ve 105 42 12
Δ3C, Δ4C, Δ1D GATA3-ve, OCT1-ve 150 100 8
Δ28C, Δ13D, Δ48D, Δ52D GATA3-ve, OCT1-ve, XFD1-ve 130 55 0

Mutations were engineered into the intron 1 enhancer (IE) of the enhancer-trap and inserted into appb BACs C and D. Structures of mutant enhancer-trap BACs shown schematically in Panel B of Figure 2, and their expression patterns summarized here in Table 1.

Shakes et al. BMC Genomics 2012 13:451   doi:10.1186/1471-2164-13-451

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