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Fig. 5. egg is required for trimethylation but not dimethylation of
H3K9 in germ and somatic cells during oogenesis. Left panels, methylated
H3K9 alone; right panels, merged images of H3K9me3 or H3K9me2 (green) and Vasa
(red). (A) H3K9me3 is absent or severely reduced in both the germ and
somatic cell nuclei of egg1473 germaria. (B) High
levels of H3K9me2 are present in both germ and somatic cell nuclei of
egg1473 germaria.