A–CTwofold serial dilutions of the total protein extracts from the wild‐type, ash1
22/ash1
9011 (ash1
−), ash1
22
,NSD
ds46/ash1
9011
,NSD
ds46 (ash1
−
, NSD
−) and Set2
1 (Set2
−) larval brains, imaginal discs and salivary glands were analysed by Western blot with antibodies against H3K36me1 (A), H3K36me2 (B) and H3K36me3 (C). Note the strong (> 10‐fold) reduction of H3K36me3 signal in the Set2
− extract and the slight (˜ 2‐fold) reduction of H3K36me1 signal in the ash1
− and ash1
−
, NSD
− extracts. The protein extracts from the wild‐type, double ash1
−
, NSD
− and single NSD
− and Set2
− mutants (right panels) were analysed together on the same membrane; however, the images of the H3K36me1 and H3K36me3 Western blots were modified to splice out the marker lane between the ash1
−
, NSD
− and the Set2
− extracts. Western blots with constitutively expressed BEAF‐32 protein were used as loading controls.