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. 2014 May 29;9(5):e98186. doi: 10.1371/journal.pone.0098186

Figure 3. Cas9 generates minimal allele diversity.

Figure 3

Target sites and alleles are shown for four genes for pools of embryos or single embryos (n = 12 per target with Cas9 mRNA, n = 12 per target with Cas9 protein). For each target site, the top panel is from a pool of embryos while the bottom panel represents alleles from single embryos. Each plot indicates the observed mutant alleles using arches that connect the bases surrounding the deletion. In the top panel, the y-axis and color of the arch indicate allele abundance; for ease of visualization, the bottom panel indicates allele abundance only with color. PAM is indicated on the DNA sequence in uppercase. gria3a sgRNA induces only low indel frequencies when injected with Cas9 mRNA.