Male flies compensate for having a single X chromosome by doubling the single X chromosome's level of expression. This increase is mediated by MOF, a histone H4 acetyltransferase. MOF, along with other proteins and an RNA called roX2, binds to the male X chromosome. In the 21 September
These institutions join around 60 others that hope to put increasing pressure on the publishing giant in ongoing negotiations for a new nationwide licensing agreement.