Selaginella moellendorffii      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 10 genes.  Reviewed (0 or Unreviewed (10

No.StatusDrLLPS IDEnsemble Gene IDUniProt AccessionGene Name
1
LLPS-Sem-1697
SELMODRAFT_181346
2
LLPS-Sem-0545
SELMODRAFT_452925
D8R5W3
SEC1
3
LLPS-Sem-1853
SELMODRAFT_105735
D8S0X2
SELMODRAFT_105735
4
LLPS-Sem-2114
SELMODRAFT_109421
D8S670
SELMODRAFT_109421
5
LLPS-Sem-1553
SELMODRAFT_111860
D8S9D0
SELMODRAFT_111860
6
LLPS-Sem-1424
SELMODRAFT_155177
D8SGP4
SELMODRAFT_155177
7
LLPS-Sem-1669
SELMODRAFT_179301
D8SFD4
SELMODRAFT_179301
8
LLPS-Sem-0449
SELMODRAFT_40701
D8SLJ3
SELMODRAFT_40701
9
LLPS-Sem-1471
SELMODRAFT_443608
D8S2V3
SELMODRAFT_443608
10
LLPS-Sem-0661
SELMODRAFT_8697
D8QNL8
SELMODRAFT_8697