Article ; Online: Landscape of semi-extractable RNAs across five human cell lines.
2023 Volume 51, Issue 15, Page(s) 7820–7831
Abstract: Phase-separated membraneless organelles often contain RNAs that exhibit unusual semi-extractability using the conventional RNA extraction method, and can be efficiently retrieved by needle shearing or heating during RNA extraction. Semi-extractable RNAs ... ...
Abstract | Phase-separated membraneless organelles often contain RNAs that exhibit unusual semi-extractability using the conventional RNA extraction method, and can be efficiently retrieved by needle shearing or heating during RNA extraction. Semi-extractable RNAs are promising resources for understanding RNA-centric phase separation. However, limited assessments have been performed to systematically identify and characterize semi-extractable RNAs. In this study, 1074 semi-extractable RNAs, including ASAP1, DANT2, EXT1, FTX, IGF1R, LIMS1, NEAT1, PHF21A, PVT1, SCMH1, STRG.3024.1, TBL1X, TCF7L2, TVP23C-CDRT4, UBE2E2, ZCCHC7, ZFAND3 and ZSWIM6, which exhibited consistent semi-extractability were identified across five human cell lines. By integrating publicly available datasets, we found that semi-extractable RNAs tend to be distributed in the nuclear compartments but are dissociated from the chromatin. Long and repeat-containing semi-extractable RNAs act as hubs to provide global RNA-RNA interactions. Semi-extractable RNAs were divided into four groups based on their k-mer content. The NEAT1 group preferred to interact with paraspeckle proteins, such as FUS and NONO, implying that RNAs in this group are potential candidates of architectural RNAs that constitute nuclear bodies. |
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MeSH term(s) | Humans ; Cell Line ; Cell Nucleus/metabolism ; Chromatin/metabolism ; DNA-Binding Proteins/genetics ; RNA/isolation & purification ; RNA, Long Noncoding/genetics ; RNA, Long Noncoding/metabolism |
Chemical Substances | Chromatin ; DNA-Binding Proteins ; RNA (63231-63-0) ; RNA, Long Noncoding |
Language | English |
Publishing date | 2023-07-18 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 186809-3 |
ISSN | 1362-4962 ; 1362-4954 ; 0301-5610 ; 0305-1048 |
ISSN (online) | 1362-4962 ; 1362-4954 |
ISSN | 0301-5610 ; 0305-1048 |
DOI | 10.1093/nar/gkad567 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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