Brassica rapa      PcG body


※ PcG body introduction

    PcG bodies, termed polycomb bodies, are subnuclear organelles containing polycomb group proteins. They are a kind of PMLOs located in nucleus, which possess liquid-like behavior and are believed to be formed as a result of biological liquid-liquid phase transitions, where an intricate interplay between RNA and intrinsically disordered proteins (IDPs) or hybrid proteins containing ordered domains and intrinsically disordered protein regions (IDPRs) may play an important role, they are formed as a result of highly regulated and reversible liquid-liquid demixing phase separation and represent condensed liquid droplets, which are invariantly enriched in intrinsically disordered proteins (1). They correspond to local accumulations of PcG proteins, which are important epigenetic regulators that control transcription of their target genes (2). Morover, Polycomb body–associated PHC2 was found to interact with the Polycomb repressive complex, which is relevant to the function of polycomb bodies in transcription regulation (3).

Reference
1. Uversky, V. N. (2017) MappingIntrinsically disordered proteins in overcrowded milieu: Membrane-less organelles, phase separation, and intrinsic disorder. Curr Opin Struct Biol, 44, 18-30. PMID: 27838525
2. Smigova, J., Juda, P., Krejci, J., & Raska, I. (2014) MappingStructural basis of polycomb bodies. Folia Biol (Praha), 60 Suppl 1, 13-20. PMID: 25369336
3. Fong, K. W., Li, Y., Wang, W., Ma, W., Li, K., Qi, R. Z., et al. (2013) MappingWhole-genome screening identifies proteins localized to distinct nuclear bodies. J Cell Biol, 203(1), 149-164. PMID: 24127217


There are 11 genes.  Reviewed (0 or Unreviewed (11

No.StatusDrLLPS IDEnsemble Gene IDUniProt AccessionGene Name
1
LLPS-Brr-0342
Bra023933
M4E579
2
LLPS-Brr-0435
Bra018377
M4DPD6
3
LLPS-Brr-0577
Bra033293
M4EWV8
4
LLPS-Brr-0675
Bra035726
M4F3S6
5
LLPS-Brr-0679
Bra014136
M4DCC3
6
LLPS-Brr-0714
Bra027179
M4EEG7
7
LLPS-Brr-1622
Bra027538
M4EFH6
8
LLPS-Brr-1815
Bra002667
M4CEN6
9
LLPS-Brr-1937
Bra032169
M4ETN7
10
LLPS-Brr-2181
Bra002922
M4CFE0
11
LLPS-Brr-2276
Bra022541
M4E193