1
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Pradhan S, Apaydin S, Bucevičius J, Gerasimaitė R, Kostiuk G, Lukinavičius G. Sequence-specific DNA labelling for fluorescence microscopy. Biosens Bioelectron 2023; 230:115256. [PMID: 36989663 DOI: 10.1016/j.bios.2023.115256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/04/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023]
Abstract
The preservation of nucleus structure during microscopy imaging is a top priority for understanding chromatin organization, genome dynamics, and gene expression regulation. In this review, we summarize the sequence-specific DNA labelling methods that can be used for imaging in fixed and/or living cells without harsh treatment and DNA denaturation: (i) hairpin polyamides, (ii) triplex-forming oligonucleotides, (iii) dCas9 proteins, (iv) transcription activator-like effectors (TALEs) and (v) DNA methyltransferases (MTases). All these techniques are capable of identifying repetitive DNA loci and robust probes are available for telomeres and centromeres, but visualizing single-copy sequences is still challenging. In our futuristic vision, we see gradual replacement of the historically important fluorescence in situ hybridization (FISH) by less invasive and non-destructive methods compatible with live cell imaging. Combined with super-resolution fluorescence microscopy, these methods will open the possibility to look into unperturbed structure and dynamics of chromatin in living cells, tissues and whole organisms.
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2
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Jung A, Munõz-López Á, Buchmuller BC, Banerjee S, Summerer D. Imaging-Based In Situ Analysis of 5-Methylcytosine at Low Repetitive Single Gene Loci with Transcription-Activator-Like Effector Probes. ACS Chem Biol 2023; 18:230-236. [PMID: 36693632 PMCID: PMC9942090 DOI: 10.1021/acschembio.2c00857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Transcription-activator-like effectors (TALEs) are programmable DNA binding proteins that can be used for sequence-specific, imaging-based analysis of cellular 5-methylcytosine. However, this has so far been limited to highly repetitive satellite DNA. To expand this approach to the analysis of coding single gene loci, we here explore a number of signal amplification strategies for increasing imaging sensitivity with TALEs. We develop a straightforward amplification protocol and employ it to target the MUC4 gene, which features only a small cluster of repeat sequences. This offers high sensitivity imaging of MUC4, and in costaining experiments with pairs of one TALE selective for unmethylated cytosine and one universal control TALE enables analyzing methylation changes in the target independently of changes in target accessibility. These advancements offer prospects for 5-methylcytosine analysis at coding, nonrepetitive gene loci by the use of designed TALE probe collections.
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Affiliation(s)
- Anne Jung
- Faculty
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
| | - Álvaro Munõz-López
- Faculty
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Str. 6, 44227 Dortmund, Germany,International
Max Planck Research School of Living Matter, Otto-Hahn-Str. 11, 44227 Dortmund, Germany
| | - Benjamin C. Buchmuller
- Faculty
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Str. 6, 44227 Dortmund, Germany,International
Max Planck Research School of Living Matter, Otto-Hahn-Str. 11, 44227 Dortmund, Germany
| | - Sudakshina Banerjee
- Faculty
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Str. 6, 44227 Dortmund, Germany,International
Max Planck Research School of Living Matter, Otto-Hahn-Str. 11, 44227 Dortmund, Germany
| | - Daniel Summerer
- Faculty
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Str. 6, 44227 Dortmund, Germany,International
Max Planck Research School of Living Matter, Otto-Hahn-Str. 11, 44227 Dortmund, Germany,
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3
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Moshareva MA, Lukyanov KA, Putlyaeva LV. Fluorescence imaging of epigenetic genome modifications. Biochem Biophys Res Commun 2022; 622:86-92. [PMID: 35843098 DOI: 10.1016/j.bbrc.2022.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 11/29/2022]
Abstract
Epigenome contains a lot of information about cell state. Epigenetic analysis includes primarily sequence-based methods, which provide detailed data on distribution of modifications along the genome, but are poorly applicable for screenings. Specific fluorescence labeling and imaging of epigenetic modifications is an attractive complementary approach. It is currently based mainly on histone modifications study. We expect that inclusion of DNA modifications into imaging-based study would empower the method. In this review we discuss methods for fluorescence imaging of DNA modifications (mainly 5-methylcytosine). It opens an easy way to single cell analysis and high-throughput screening. Moreover, tracking epigenome changes in live cells becomes possible with genetically encoded probes.
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Affiliation(s)
- Maria A Moshareva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
| | - Konstantin A Lukyanov
- Center for Molecular and Cellular Biology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Lidia V Putlyaeva
- Center for Molecular and Cellular Biology, Skolkovo Institute of Science and Technology, Moscow, Russia.
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4
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Wolffgramm J, Buchmuller B, Palei S, Muñoz‐López Á, Kanne J, Janning P, Schweiger MR, Summerer D. Light-Activation of DNA-Methyltransferases. Angew Chem Int Ed Engl 2021; 60:13507-13512. [PMID: 33826797 PMCID: PMC8251764 DOI: 10.1002/anie.202103945] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Indexed: 12/27/2022]
Abstract
5-Methylcytosine (5mC), the central epigenetic mark of mammalian DNA, plays fundamental roles in chromatin regulation. 5mC is written onto genomes by DNA methyltransferases (DNMT), and perturbation of this process is an early event in carcinogenesis. However, studying 5mC functions is limited by the inability to control individual DNMTs with spatiotemporal resolution in vivo. We report light-control of DNMT catalysis by genetically encoding a photocaged cysteine as a catalytic residue. This enables translation of inactive DNMTs, their rapid activation by light-decaging, and subsequent monitoring of de novo DNA methylation. We provide insights into how cancer-related DNMT mutations alter de novo methylation in vivo, and demonstrate local and tuneable cytosine methylation by light-controlled DNMTs fused to a programmable transcription activator-like effector domain targeting pericentromeric satellite-3 DNA. We further study early events of transcriptome alterations upon DNMT-catalyzed cytosine methylation. Our study sets a basis to dissect the order and kinetics of diverse chromatin-associated events triggered by normal and aberrant DNA methylation.
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Affiliation(s)
- Jan Wolffgramm
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn Str. 4a44227DortmundGermany
| | - Benjamin Buchmuller
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn Str. 4a44227DortmundGermany
| | - Shubhendu Palei
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn Str. 4a44227DortmundGermany
| | - Álvaro Muñoz‐López
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn Str. 4a44227DortmundGermany
| | - Julian Kanne
- Department of Epigenetics and Tumor Biology, Medical FacultyUniversity of CologneKerpener Str. 6250937KölnGermany
| | - Petra Janning
- Max-Planck-Institute for Molecular PhysiologyOtto-Hahn-Str. 1144227DortmundGermany
| | - Michal R. Schweiger
- Department of Epigenetics and Tumor Biology, Medical FacultyUniversity of CologneKerpener Str. 6250937KölnGermany
| | - Daniel Summerer
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn Str. 4a44227DortmundGermany
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5
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Wolffgramm J, Buchmuller B, Palei S, Muñoz‐López Á, Kanne J, Janning P, Schweiger MR, Summerer D. Light‐Activation of DNA‐Methyltransferases. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jan Wolffgramm
- Faculty of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Benjamin Buchmuller
- Faculty of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Shubhendu Palei
- Faculty of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Álvaro Muñoz‐López
- Faculty of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Julian Kanne
- Department of Epigenetics and Tumor Biology, Medical Faculty University of Cologne Kerpener Str. 62 50937 Köln Germany
| | - Petra Janning
- Max-Planck-Institute for Molecular Physiology Otto-Hahn-Str. 11 44227 Dortmund Germany
| | - Michal R. Schweiger
- Department of Epigenetics and Tumor Biology, Medical Faculty University of Cologne Kerpener Str. 62 50937 Köln Germany
| | - Daniel Summerer
- Faculty of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
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6
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Kanne J, Hussong M, Isensee J, Muñoz-López Á, Wolffgramm J, Heß F, Grimm C, Bessonov S, Meder L, Wang J, Reinhardt HC, Odenthal M, Hucho T, Büttner R, Summerer D, Schweiger MR. Pericentromeric Satellite III transcripts induce etoposide resistance. Cell Death Dis 2021; 12:530. [PMID: 34031359 PMCID: PMC8144429 DOI: 10.1038/s41419-021-03810-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 03/04/2021] [Accepted: 05/10/2021] [Indexed: 02/05/2023]
Abstract
Non-coding RNA from pericentromeric satellite repeats are involved in stress-dependent splicing processes, maintenance of heterochromatin, and are required to protect genome stability. Here we show that the long non-coding satellite III RNA (SatIII) generates resistance against the topoisomerase IIa (TOP2A) inhibitor etoposide in lung cancer. Because heat shock conditions (HS) protect cells against the toxicity of etoposide, and SatIII is significantly induced under HS, we hypothesized that the protective effect could be traced back to SatIII. Using genome methylation profiles of patient-derived xenograft mouse models we show that the epigenetic modification of the SatIII DNA locus and the resulting SatIII expression predict chemotherapy resistance. In response to stress, SatIII recruits TOP2A to nuclear stress bodies, which protects TOP2A from a complex formation with etoposide and results in decreased DNA damage after treatment. We show that BRD4 inhibitors reduce the expression of SatIII, restoring etoposide sensitivity.
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MESH Headings
- Animals
- Antineoplastic Agents/pharmacology
- Cell Cycle Proteins/antagonists & inhibitors
- Centromere/genetics
- Centromere/metabolism
- DNA Methylation/physiology
- DNA Topoisomerases, Type II/drug effects
- DNA Topoisomerases, Type II/genetics
- DNA Topoisomerases, Type II/metabolism
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Etoposide/therapeutic use
- Gene Expression Regulation, Neoplastic/drug effects
- HEK293 Cells
- HeLa Cells
- Humans
- Male
- Mice, Inbred NOD
- Mice, SCID
- Poly-ADP-Ribose Binding Proteins/drug effects
- Poly-ADP-Ribose Binding Proteins/genetics
- Poly-ADP-Ribose Binding Proteins/metabolism
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/physiology
- Transcription Factors/antagonists & inhibitors
- Tumor Cells, Cultured
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
- Julian Kanne
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Michelle Hussong
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Jörg Isensee
- Translational Pain Research, Department of Anaesthesiology and Intensive Care Medicine, University Hospital Cologne, Faculty of Medicine, University Cologne, Cologne, Germany
| | - Álvaro Muñoz-López
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Jan Wolffgramm
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Felix Heß
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
- Rheinische Fachhochschule Cologne, Cologne, Germany
| | - Christina Grimm
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Sergey Bessonov
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
- Department I of Internal Medicine, University Hospital Cologne, Medical Faculty, Cologne, Germany
| | - Lydia Meder
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
- Department I of Internal Medicine, University Hospital Cologne, Medical Faculty, Cologne, Germany
| | - Jie Wang
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
- Institute of Pathology, University Hospital of Cologne, Medical Faculty, Cologne, Germany
| | - H Christian Reinhardt
- Department of Hematology and Stem Cell Transplantation, University Hospital Essen, University Duisburg-Essen, German Cancer Consortium (DKTK partner site Essen), Essen, Germany
| | - Margarete Odenthal
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
- Institute of Pathology, University Hospital of Cologne, Medical Faculty, Cologne, Germany
- Center of Integrated Oncology Cologne-Bonn, Medical Faculty, University of Cologne, Cologne, Germany
| | - Tim Hucho
- Translational Pain Research, Department of Anaesthesiology and Intensive Care Medicine, University Hospital Cologne, Faculty of Medicine, University Cologne, Cologne, Germany
| | - Reinhard Büttner
- Institute of Pathology, University Hospital of Cologne, Medical Faculty, Cologne, Germany
| | - Daniel Summerer
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Michal R Schweiger
- Institute for Translational Epigenetics, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany.
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.
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7
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Programmable tools for targeted analysis of epigenetic DNA modifications. Curr Opin Chem Biol 2021; 63:1-10. [PMID: 33588304 DOI: 10.1016/j.cbpa.2021.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/04/2021] [Accepted: 01/04/2021] [Indexed: 11/21/2022]
Abstract
Modifications of the cytosine 5-position are dynamic epigenetic marks of mammalian DNA with important regulatory roles in development and disease. Unraveling biological functions of such modified nucleobases is tightly connected with the potential of available methods for their analysis. Whereas genome-wide nucleobase quantification and mapping are first-line analyses, targeted analyses move into focus the more genomic sites with high biological significance are identified. We here review recent developments in an emerging field that addresses such targeted analyses via probes that combine a programmable, sequence-specific DNA-binding domain with the ability to directly recognize or cross-link an epigenetically modified nucleobase of interest. We highlight how such probes offer simple, high-resolution nucleobase analyses in vitro and enable in situ correlations between a nucleobase and other chromatin regulatory elements at user-defined loci on the single-cell level by imaging.
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8
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Witte A, Muñoz-López Á, Metz M, Schweiger MR, Janning P, Summerer D. Encoded, click-reactive DNA-binding domains for programmable capture of specific chromatin segments. Chem Sci 2020; 11:12506-12511. [PMID: 34123231 PMCID: PMC8162481 DOI: 10.1039/d0sc02707c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 10/16/2020] [Indexed: 11/21/2022] Open
Abstract
Enrichment of chromatin segments from specific genomic loci of living cells is an important goal in chromatin biology, since it enables establishing local molecular compositions as the basis of locus function. A central enrichment strategy relies on the expression of DNA-binding domains that selectively interact with a local target sequence followed by fixation and isolation of the associated chromatin segment. The efficiency and selectivity of this approach critically depend on the employed enrichment tag and the strategy used for its introduction into the DNA-binding domain or close-by proteins. We here report chromatin enrichment by expressing programmable transcription-activator-like effectors (TALEs) bearing single strained alkynes or alkenes introduced via genetic code expansion. This enables in situ biotinylation at a defined TALE site via strain-promoted inverse electron demand Diels Alder cycloadditions for single-step, high affinity enrichment. By targeting human pericentromeric SATIII repeats, the origin of nuclear stress bodies, we demonstrate enrichment of SATIII DNA and SATIII-associated proteins, and identify factors enriched during heat stress.
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Affiliation(s)
- Anna Witte
- Faculty of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Álvaro Muñoz-López
- Faculty of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Malte Metz
- Max-Planck Institute for Molecular Physiology Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Michal R Schweiger
- Institute for Translational Epigenetics, Medical Faculty, University of Cologne Weyertal 115b 50931 Köln Germany
- Center for Molecular Medicine Cologne Robert-Koch-Str. 21 50931 Cologne Germany
| | - Petra Janning
- Max-Planck Institute for Molecular Physiology Otto-Hahn Str. 4a 44227 Dortmund Germany
| | - Daniel Summerer
- Faculty of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn Str. 4a 44227 Dortmund Germany
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9
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Beyer JN, Raniszewski NR, Burslem GM. Advances and Opportunities in Epigenetic Chemical Biology. Chembiochem 2020; 22:17-42. [PMID: 32786101 DOI: 10.1002/cbic.202000459] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/10/2020] [Indexed: 12/13/2022]
Abstract
The study of epigenetics has greatly benefited from the development and application of various chemical biology approaches. In this review, we highlight the key targets for modulation and recent methods developed to enact such modulation. We discuss various chemical biology techniques to study DNA methylation and the post-translational modification of histones as well as their effect on gene expression. Additionally, we address the wealth of protein synthesis approaches to yield histones and nucleosomes bearing epigenetic modifications. Throughout, we highlight targets that present opportunities for the chemical biology community, as well as exciting new approaches that will provide additional insight into the roles of epigenetic marks.
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Affiliation(s)
- Jenna N Beyer
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - Nicole R Raniszewski
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - George M Burslem
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA.,Department of Cancer Biology and Epigenetics Institute Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
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10
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Muñoz-López Á, Buchmuller B, Wolffgramm J, Jung A, Hussong M, Kanne J, Schweiger MR, Summerer D. Designer Receptors for Nucleotide-Resolution Analysis of Genomic 5-Methylcytosine by Cellular Imaging. Angew Chem Int Ed Engl 2020; 59:8927-8931. [PMID: 32167219 PMCID: PMC7318601 DOI: 10.1002/anie.202001935] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Indexed: 12/20/2022]
Abstract
We report programmable receptors for the imaging‐based analysis of 5‐methylcytosine (5mC) in user‐defined DNA sequences of single cells. Using fluorescent transcription‐activator‐like effectors (TALEs) that can recognize sequences of canonical and epigenetic nucleobases through selective repeats, we imaged cellular SATIII DNA, the origin of nuclear stress bodies (nSB). We achieve high nucleobase selectivity of natural repeats in imaging and demonstrate universal nucleobase binding by an engineered repeat. We use TALE pairs differing in only one such repeat in co‐stains to detect 5mC in SATIII sequences with nucleotide resolution independently of differences in target accessibility. Further, we directly correlate the presence of heat shock factor 1 with 5mC at its recognition sequence, revealing a potential function of 5mC in its recruitment as initial step of nSB formation. This opens a new avenue for studying 5mC functions in chromatin regulation in situ with nucleotide, locus, and cell resolution.
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Affiliation(s)
- Álvaro Muñoz-López
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227, Dortmund, Germany.,International Max Planck Research School, Max Planck Institute of Molecular Physiology, Otto-Hahn Str. 10, 44227, Dortmund, Germany
| | - Benjamin Buchmuller
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227, Dortmund, Germany.,International Max Planck Research School, Max Planck Institute of Molecular Physiology, Otto-Hahn Str. 10, 44227, Dortmund, Germany
| | - Jan Wolffgramm
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227, Dortmund, Germany
| | - Anne Jung
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227, Dortmund, Germany
| | - Michelle Hussong
- Department of Epigenetics and Tumor Biology, Medical Faculty, University of Cologne, Kerpener Str. 62, 50937, Köln, Germany
| | - Julian Kanne
- Department of Epigenetics and Tumor Biology, Medical Faculty, University of Cologne, Kerpener Str. 62, 50937, Köln, Germany
| | - Michal R Schweiger
- Department of Epigenetics and Tumor Biology, Medical Faculty, University of Cologne, Kerpener Str. 62, 50937, Köln, Germany
| | - Daniel Summerer
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227, Dortmund, Germany
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