Profiling RNA at chromatin targets in situ by antibody-targeted tagmentation.
Profiling RNA at chromatin targets in situ by antibody-targeted tagmentation.
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DOI:
10.1038/s41592-022-01618-9
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发表时间:
2022-11
期刊:
影响因子:
48
通讯作者:
Ahmad, Kami
中科院分区:
文献类型:
--
作者:
Khyzha, Nadiya;Henikoff, Steven;Ahmad, Kami
Whereas techniques to map chromatin-bound proteins are well developed, mapping chromatin-associated RNAs remains a challenge. Here, we describe Reverse Transcribe and Tagment (RT&Tag), in which RNAs associated with a chromatin epitope are targeted by an antibody followed by a protein A-Tn5 transposome. Localized reverse transcription generates RNA/cDNA hybrids that are subsequently tagmented by Tn5 transposases for downstream sequencing. We demonstrate the utility of RT&Tag in Drosophila cells for capturing the noncoding RNA roX2 with the dosage compensation complex and maturing transcripts associated with silencing histone modifications. We also show that RT&Tag can detect N6-methyladenosine-modified mRNAs, and show that genes producing methylated transcripts are characterized by extensive promoter pausing of RNA polymerase II. The high efficiency of in situ antibody tethering and tagmentation makes RT&Tag especially suitable for rapid low-cost profiling of chromatin-associated RNAs. This work presents RT&Tag, which captures RNA molecules in proximity to a protein of interest in intact nuclei.
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DOI:
10.1093/bioinformatics/btr064
发表时间:
2011-04-01
期刊:
Bioinformatics (Oxford, England)
影响因子:
--
作者:
Grant CE;Bailey TL;Noble WS
通讯作者:
Noble WS
DOI:
10.1093/bioinformatics/btx346
发表时间:
2017-10-01
期刊:
Bioinformatics (Oxford, England)
影响因子:
--
作者:
Gel B;Serra E
通讯作者:
Serra E
影响因子:
48
作者:
Langmead, Ben;Salzberg, Steven L.
通讯作者:
Salzberg, Steven L.
DOI:
10.1073/pnas.1919800117
发表时间:
2020-02-11
影响因子:
11.1
作者:
Di, Lin;Fu, Yusi;Wang, Jianbin
通讯作者:
Wang, Jianbin
影响因子:
16
作者:
Akhtar, Junaid;Renaud, Yoan;Junion, Guillaume
通讯作者:
Junion, Guillaume