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. 2017 Oct 11;7:13004. doi: 10.1038/s41598-017-12532-y

Figure 1.

Figure 1

Molar pattern in the MRCS1 KO homozygote and the compound heterozygote of MRCS1 and Shh KO alleles. Occlusal views of maxilla in the wild type mouse (a), the MRCS1 KO homozygote (b, ΔMRCS1/ΔMRCS1) and the compound heterozygote (c, ΔMRCS1/ShhKO) at one month old. Molar pattern in the mandible of the wild type (d,g,j), the MRCS1 KO homozygote (e,h,k) and the compound heterozygote (f,i,l). Three-dimensional reconstructions of X-ray micro CT images of molars are shown in g–l. Arrowheads mark supernumerary teeth. The alleles of the compound heterozygote of the ΔMRCS1 and the Shh coding sequence KO alleles are schematically illustrated in Supplementary Fig. 1d. M1, first molar; M2, second molar; M3, third molar.