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Author:

Ren, Xiaojun (Ren, Xiaojun.) | Deng, Ruijie (Deng, Ruijie.) | Zhang, Kaixiang (Zhang, Kaixiang.) | Sun, Yupeng (Sun, Yupeng.) | Li, Yue (Li, Yue.) | Li, Jinghong (Li, Jinghong.)

Indexed by:

EI Scopus SCIE

Abstract:

N-6-methyladenosine (m(6)A) modification-the most prevalent mammalian RNA internal modification-plays key regulatory roles in mRNA metabolism. Current approaches for m(6)A modified RNA analysis limit at bulk-population level, resulting in a loss of spatiotemporal and cell-to-cell variability information. Here we proposed a m(6)A-specific in situ hybridization mediated proximity ligation assay (m(6)AISH-PLA) for cellular imaging of m(6)A RNA, allowing to identify m(6)A modification at specific location in RNAs and image m(6)A RNA with single-cell and single-molecule resolution. Using m(6)AISH-PLA, we investigated the m(6)A level and subcellular location of HSP70 RNA103-m(6)A in response to heat shock stress, and found an increased m(6)A modified ratio and an increased distribution ratio in cytoplasm under heat shock. m(6)AISH-PLA can serve in the study of m(6)A RNA in single cells for deciphering epitranscriptomic mechanisms and assisting clinical diagnosis.

Keyword:

single-molecule spatiotemporal information in situ imaging m(6)A proximity ligation

Author Community:

  • [ 1 ] [Ren, Xiaojun]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 2 ] [Deng, Ruijie]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 3 ] [Zhang, Kaixiang]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 4 ] [Sun, Yupeng]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 5 ] [Li, Yue]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 6 ] [Li, Jinghong]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China
  • [ 7 ] [Ren, Xiaojun]Beijing Univ Technol, Fac Environm & Life Sci, Dept Biol & Chem, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Li, Jinghong]Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China

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Source :

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ISSN: 1433-7851

Year: 2021

Issue: 42

Volume: 60

Page: 22646-22651

1 6 . 6 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:96

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 30

SCOPUS Cited Count: 36

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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