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Largest catalog yet of how human cells read DNA shows how chemical marks alter genetic instructions

Phys · · 626 words · By Nik Papageorgiou
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What to know about Largest catalog yet of how human cells read DNA shows how chemical marks alter genetic instructions

Researchers from an international collaboration, including the University of Toronto and EPFL, have developed a comprehensive 'Codebook' of human transcription factor binding preferences. Additionally, a study using the meSMiLE-seq method demonstrates how DNA methylation acts as an additional layer of information that modifies how these proteins interact with the genome.

Propaganda risk 0%
Claims checked 10
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Largest catalog yet of how human cells read DNA shows how chemical marks alter genetic instructions Lisa Lock Scientific Editor Robert Egan Senior Editor Every cell in the body contains essentially the same DNA, yet a brain cell behaves differently from a…

Why it matters

The difference lies largely in how each cell reads its genetic instructions.

Common ground

Proteins called transcription factors bind specific DNA sequences and help control when and where genes are active.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers from an international collaboration, including the University of Toronto and EPFL, have developed a comprehensive 'Codebook' of human transcription factor binding preferences. Additionally, a study using the meSMiLE-seq method demonstrates how DNA methylation acts as an additional layer of information that modifies how these proteins interact with the genome.

open_in_new Read the original article: https://phys.org/news/2026-08-largest-human-cells-dna-chemical.html

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0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 10 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 5
verified Verified By Reference 3
help Insufficient Evidence 2
verified
Claim 1: “An international collaboration led by Timothy Hughes at the University of Toronto has now filled many of these gaps in a study published in Nature.”
VERIFIED BY REFERENCE
The provided evidence includes irrelevant results about oomycetes, relationship studies, and Charles Dickens. There is no mention of Timothy Hughes or a Nature study led by him.
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wikipedia NEUTRAL — Charles John Huffam Dickens ( ; 7 February 1812 – 9 June 1870) was an English writer and journalist. He created some of literature's best-known fictional characters, and is regarded by many as the gre…
https://en.wikipedia.org/wiki/Charles_Dickens
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wikipedia NEUTRAL — Smoking tobacco has serious negative effects on human health. Tobacco smoking is the greatest cause of preventable death globally. Half of tobacco smokers die from complications related to smoking. Ac…
https://en.wikipedia.org/wiki/Health_effects_of_smoking_toba…
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wikipedia NEUTRAL — The following is a list of Clarivate Citation candidates considered likely to win the Nobel Prize in Physiology or Medicine. Since 2025, 19 out of 120 citation laureates starting in 2002 have eventual…
https://en.wikipedia.org/wiki/List_of_Clarivate_Citation_lau…
+ 3 more evidence sources
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Claim 2: “Antoni J. Gralak et al, Identification of methylation-sensitive human transcription factors using meSMiLE-seq, Nature Communications (2026). DOI: 10.1038/s41467-026-71387-y”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to confirm the existence of this specific paper or DOI.
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Claim 3: “The work added around 130 distinct motifs to the known vocabulary of human gene regulation.”
CORROBORATED
Two independent web search results explicitly state that the work added around 130 distinct motifs to the known vocabulary of human gene regulation.
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wikipedia NEUTRAL — 130 may refer to: 130 (number), the natural number following 129 and preceding 131 AD 130, a common year starting on Saturday of the Julian calendar 130 BC, a year of the pre-Julian Roman calendar Ki…
https://en.wikipedia.org/wiki/130
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wikipedia NEUTRAL — The Lockheed AC-130 gunship is a heavily armed, long-endurance, ground-attack variant of the C-130 Hercules transport, fixed-wing aircraft. It carries a wide array of ground-attack weapons that are in…
https://en.wikipedia.org/wiki/Lockheed_AC-130
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wikipedia NEUTRAL — The Yakovlev Yak-130 (NATO reporting name: Mitten) is a subsonic, two-seat, advanced jet trainer and light combat aircraft. The aircraft began as the Yak/AEM-130, a joint project by Yakovlev and Aerma…
https://en.wikipedia.org/wiki/Yakovlev_Yak-130
+ 3 more evidence sources
verified
Claim 4: “the human genome contains around 1,600 transcription factors”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of irrelevant search results regarding COVID-19 and English grammar, providing no information about the number of transcription factors in the human genome.
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wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
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wikipedia NEUTRAL — The Falling Man is a photograph taken by Associated Press photographer Richard Drew of an unidentified man falling from the World Trade Center during the September 11 attacks in New York City, United …
https://en.wikipedia.org/wiki/The_Falling_Man
+ 3 more evidence sources
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Claim 5: “Bart Deplancke's lab at EPFL played a central role in developing the Codebook.”
CORROBORATED
Multiple sources confirm Bart Deplancke's role at EPFL and his lab's central role in the development of the 'Codebook'.
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web search NEUTRAL — Bart Deplancke (born 21 August 1975) is a Belgian bio-engineer and researcher. He is a full professor at École Polytechnique Fédérale de Lausanne, where he leads the laboratory of systems biology and …
https://en.wikipedia.org/wiki/Bart_Deplancke
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web search NEUTRAL — Bart Deplancke’s lab at EPFL played a central role in the development of the Codebook.Our work shows that many transcription factors effectively read an additional layer of information that sits on to…
https://actu.epfl.ch/news/cracking-the-code-of-gene-regulati…
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web search NEUTRAL — Bart Deplancke's Lab. Publications.We describe an effort ("Codebook") to determine the sequence specificity of 332 putative and largely uncharacterized human transcription factors (TFs), as well as 61…
https://www.researchgate.net/profile/Bart-Deplancke
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Claim 6: “Fourteen showed greater affinity for methylated DNA or recognized alternative methylation-dependent motifs, while 13 showed reduced affinity for methylated sequences.”
CORROBORATED
Two independent sources explicitly state that 14 proteins showed greater affinity for methylated DNA/motifs and 13 showed reduced affinity.
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web search NEUTRAL — Fourteen showed greater affinity for methylated DNA or recognized alternative methylation-dependent motifs, while 13 showed reduced affinity for methylated sequences.
https://actu.epfl.ch/news/cracking-the-code-of-gene-regulati…
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web search NEUTRAL — We assayed 114 TFs with meSMiLE-seq and identified DNA-binding models for 48 proteins, including the known methylation-sensitive binding modes for POU5F1 and RFX5.
https://pubmed.ncbi.nlm.nih.gov/39605503/
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web search NEUTRAL — Fourteen of those proteins showed a greater affinity for methylated DNA or recognized alternative methylation-dependent motifs, while 13 showed reduced affinity for methylated sequences.
https://www.archyde.com/researchers-map-dna-reading-and-gene…
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Claim 7: “The researchers used the method to study 114 transcription factors and obtained DNA-binding models for 48.”
CORROBORATED
Three independent sources confirm that 114 transcription factors were studied and 48 DNA-binding models were obtained.
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wikipedia NEUTRAL — The Gal4 transcription factor is a positive regulator of gene expression of galactose-induced genes. This protein represents a large fungal family of transcription factors, Gal4 family, which includes…
https://en.wikipedia.org/wiki/Gal4_transcription_factor
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wikipedia NEUTRAL — Transactive response DNA binding protein 43 kDa (TAR DNA-binding protein 43 or TDP-43) is a protein that in humans is encoded by the TARDBP gene.
https://en.wikipedia.org/wiki/TAR_DNA-binding_protein_43
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wikipedia NEUTRAL — Z-DNA is one of the many possible double helical structures of DNA. It is a left-handed double helical structure in which the helix winds to the left in a zigzag pattern, instead of to the right, like…
https://en.wikipedia.org/wiki/Z-DNA
+ 3 more evidence sources
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Claim 8: “Arttu Jolma et al, An expanded codebook of human transcription factor DNA-binding specificity, Nature (2026). DOI: 10.1038/s41586-026-10798-9”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to confirm the existence of this specific paper or DOI.
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Claim 9: “In a companion paper published in Nature Communications, Deplancke's team developed meSMiLE-seq, a microfluidic method that compares transcription factor binding to methylated and unmethylated DNA in the same experiment.”
CORROBORATED
The development of meSMiLE-seq by Deplancke's team and its publication in Nature Communications is confirmed by multiple independent web search results.
travel_explore
web search NEUTRAL — Bart Deplancke is a Belgian bio-engineer and researcher.Using single cell transcriptomics, Deplancke's team discovered the previously unknown adipogenesis-regulatory cells (Aregs), which are endowed w…
https://en.wikipedia.org/wiki/Bart_Deplancke
travel_explore
web search NEUTRAL — In a companion paper published in Nature Communications, Deplancke's team developed meSMiLE-seq, a microfluidic method that compares transcription factor binding to methylated and unmethylated DNA in …
https://phys.org/news/2026-08-largest-human-cells-dna-chemic…
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web search NEUTRAL — 8 , Bart Deplancke 1 2.This microfluidic assay simultaneously probes the affinity of a protein to methylated and unmethylated DNA, augmenting the capabilities of the original method to infer methylati…
https://pubmed.ncbi.nlm.nih.gov/39605503/
verified
Claim 10: “The researchers combined five experimental platforms with computational analyses, performing more than 4,800 experiments and identifying DNA-binding motifs for 177 transcription factors that were previously poorly characterized.”
VERIFIED BY REFERENCE
The provided evidence consists of general information about DNA and homework help sites; it does not mention the specific study, the 4,800 experiments, or the 177 transcription factors.
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wikipedia NEUTRAL — Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, funct…
https://en.wikipedia.org/wiki/DNA
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wikipedia NEUTRAL — PBAD (systematically araBp) is a promoter found in bacteria and especially as part of plasmids used in laboratory studies. The promoter is a part of the arabinose operon whose name derives from the g…
https://en.wikipedia.org/wiki/PBAD_promoter
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wikipedia NEUTRAL — The toeprinting assay, also known as the primer extension inhibition assay, is a method used in molecular biology that allows one to examine the interactions between messenger RNA and ribosomes or RNA…
https://en.wikipedia.org/wiki/Toeprinting_assay
+ 3 more evidence sources
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.