Abstract:
:In Drosophila melanogaster males, X-chromosome monosomy is compensated by chromosome-wide transcription activation. We found that complete dosage compensation during embryogenesis takes surprisingly long and is incomplete even after 10 h of development. Although the activating dosage compensation complex (DCC) associates with the X-chromosome and MOF acetylates histone H4 early, many genes are not compensated. Acetylation levels on gene bodies continue to increase for several hours after gastrulation in parallel with progressive compensation. Constitutive genes are compensated earlier than developmental genes. Remarkably, later compensation correlates with longer distances to DCC binding sites. This time-space relationship suggests that DCC action on target genes requires maturation of the active chromosome compartment.
journal_name
EMBO Repjournal_title
EMBO reportsauthors
Prayitno K,Schauer T,Regnard C,Becker PBdoi
10.15252/embr.201948138subject
Has Abstractpub_date
2019-08-01 00:00:00pages
e48138issue
8eissn
1469-221Xissn
1469-3178journal_volume
20pub_type
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