Transcription levels for repetitive sequences SMAlphafem-1 (Sma), W4 and W5. Transcription was calculated as a ratio to 28S RNA. Experiments were repeated three to five times for each sample. Maximum, triangle; minimum, circle; quantil 2 to 4, large rectangle.
Lepesant et al. Genome Biology 2012 13:R14 doi:10.1186/gb-2012-13-2-r14