Haynes, K.A., Gracheva, E., Elgin, S.C.R. (2007). A distinct type of heterochromatin within Drosophila melanogaster chromosome 4.  Genetics 175(3): 1539--1542.

FBrf0200164

Research paper

Studies of transcriptional gene silencing in Drosophila melanogaster suggest that most of chromosome 4 resembles pericentric heterochromatin. However, some modifiers of position-effect variegation, including chromosome 4 dosage and loss of SU(VAR)3-9, have different effects on silencing in pericentric vs. distal arm chromosome 4 heterochromatin, distinguishing these two heterochromatin types.

PMC1840055 (PMC) (EuropePMC)