Epigenetic changes can be inherited without changing DNA in animals

Phys · Jun 07, 2026 · 454 words · By Queen Mary; University

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What to know about Epigenetic changes can be inherited without changing DNA in animals

The article discusses a study published in Nature Ecology & Evolution regarding DNA methylation in sea anemones. It explains how the absence of epigenetic resetting in certain invertebrates allows for the inheritance of epigenetic changes and suggests that the ancestral role of methylation was to protect the genome from 'jumping genes'.

Propaganda risk 0%

Claims checked 10

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center80%

Right20%

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

What happened

Epigenetic changes can be inherited without changing DNA in animals Gaby Clark Scientific Editor Robert Egan Associate Editor Typically, the information encoded in DNA allows organisms to develop, function, and pass traits across generations.

Why it matters

Yet DNA alone does not explain how genes are switched on and off in different cells and environments.

Common ground

This regulation is partly controlled by other factors called epigenetics, such as DNA methylation, a chemical modification that can influence gene activity without changing the genetic code itself.

Perspective signals

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

Follow-up questions

What concrete event or decision sits underneath the headline: Epigenetic changes can be inherited without changing DNA in animals?
What evidence would most clearly confirm or weaken the claim that the scientists experimentally removed DNA methylation in a sea anemone (Nematostella vectensis)?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://phys.org/news/2026-06-epigenetic-inherited-dna-animals.html

analyticsAnalysis

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 6

info Single Source 3

help Insufficient Evidence 1

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Claim 1: “the scientists experimentally removed DNA methylation in a sea anemone (Nematostella vectensis)”

CORROBORATED

Two independent web sources (Nature and UAR/BARN) explicitly state that scientists experimentally removed DNA methylation in the sea anemone Nematostella vectensis.

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wikipedia NEUTRAL — Genetically modified animals are animals that have been genetically modified for a variety of purposes including producing drugs, enhancing yields, increasing resistance to disease, etc. The vast majo…
https://en.wikipedia.org/wiki/Genetically_modified_animal

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wikipedia NEUTRAL — A genetically modified organism (GMO) is any organism whose genetic material has been altered using genetic engineering techniques. The exact definition of a genetically modified organism and what con…
https://en.wikipedia.org/wiki/Genetically_modified_organism

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wikipedia NEUTRAL — Hydra ( HY-drə) is a genus of small freshwater hydrozoans in the phylum Cnidaria. They are solitary, carnivorous jellyfish-like animals, native to the temperate and tropical regions. The genus was nam…
https://en.wikipedia.org/wiki/Hydra_(genus)

+ 3 more evidence sources

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Claim 2: “DNA methylation, a chemical modification that can influence gene activity without changing the genetic code itself.”

CORROBORATED

Multiple independent sources (Britannica, AGNIRVA, Vively) confirm that DNA methylation is an epigenetic modification that influences gene activity without changing the DNA sequence.

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web search NEUTRAL — MISTAKE: Thinking DNA methylation changes the DNA sequence itself. | CORRECTION: DNA methylation is an 'epigenetic' change, meaning it modifies gene activity without altering the underlying DNA code (…
https://www.agnirva.com/learn/what-is-dna-methylation-marker…

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web search NEUTRAL — Epigenetic modifications alter gene expression without changing the DNA sequence. DNA methylation, the addition of a methyl group, is a key modification that can either be transient or permanent, infl…
https://www.britannica.com/science/epigenetics

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web search NEUTRAL — Unlike a gene mutation, methylation does not alter the DNA letters; it just changes how the gene is “read” by the cell. Typically, heavy methylation of a gene’s control region will suppress that gene,…
https://www.vively.com.au/post/what-is-a-dna-methylation-tes…

info

Claim 3: “Lan Xu et al, Gene body methylation suppresses intragenic transcription and permits epigenetic inheritance in a cnidarian, Nature Ecology & Evolution (2026). DOI: 10.1038/s41559-026-03090-6”

SINGLE SOURCE

The claim provides a specific citation for a 2026 Nature Ecology & Evolution paper. While the paper's existence is implied by the Nature search result in claim 3, the specific metadata (DOI and full title) is only presented as a claim and not independently verified by the provided Wikipedia results, which are irrelevant (birds, redwoods, tigers).

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wikipedia NEUTRAL — The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. Birds are categorized as a biological class, Aves. For more than …
https://en.wikipedia.org/wiki/Evolution_of_birds

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wikipedia NEUTRAL — Sequoioideae, commonly referred to as redwoods, is a subfamily of coniferous trees within the family Cupressaceae, that range in the northern hemisphere. It includes the largest and tallest trees in t…
https://en.wikipedia.org/wiki/Sequoioideae

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wikipedia NEUTRAL — The tiger (Panthera tigris) is a large cat and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly…
https://en.wikipedia.org/wiki/Tiger

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Claim 4: “methylation loss mainly unleashed hidden "jumping genes" or "selfish genes," embedded within active genes.”

CORROBORATED

Two independent web sources confirm that the loss of methylation in this species activated 'jumping genes' or 'transposable elements' embedded within active genes.

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wikipedia NEUTRAL — Hox genes, a subset of homeobox genes, are a group of related genes that specify regions of the body plan of an embryo along the head-tail axis of animals. Hox proteins encode and specify the characte…
https://en.wikipedia.org/wiki/Hox_gene

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wikipedia NEUTRAL — T-box refers to a group of transcription factors involved in embryonic limb and heart development. Every T-box protein has a relatively large DNA-binding domain, generally comprising about a third of …
https://en.wikipedia.org/wiki/T-box

+ 3 more evidence sources

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Claim 5: “some abnormal methylation states persisted in the offspring.”

SINGLE SOURCE

The provided evidence for this claim is completely irrelevant, discussing Microsoft stock prices instead of biological methylation.

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web search NEUTRAL — A Big Tech company, Microsoft is the largest software company by revenue, one of the most valuable public companies, and one of the most valuable brands globally.
https://www.google.com/finance/beta/quote/MSFT:NASDAQ

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web search NEUTRAL — 2 days ago · Why Is Microsoft Down Today? Microsoft Corporation (NASDAQ: MSFT) shares have been pressured as investors focus on a familiar near-term debate: whether the company’s heavy AI and cloud in…
https://www.marketbeat.com/stocks/NASDAQ/MSFT/news/

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web search NEUTRAL — Lookup Microsoft stock prices by date Prices display split-adjusted cost basis per share on that date. Lookup now
https://www.microsoft.com/en-us/investor/default

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Claim 6: “In mammals, this same molecular system has since been recruited for... silencing one of the two X chromosomes in females.”

INSUFFICIENT EVIDENCE

No evidence was provided for this claim in the search results.

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Claim 7: “the ancestral role of DNA methylation in animals was not primarily to regulate gene expression but to protect active genes from disruptive jumping genes.”

CORROBORATED

Multiple sources, including a specific article from June 2026 and a PMC study, suggest the ancestral role of DNA methylation was to protect the genome from transposable elements rather than gene regulation.

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web search NEUTRAL — Transposable elements (TEs) constitute about half of the vertebrate genome. Previously, we provided evidence that TE silencing by CpG methylation in the germ ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC12582260/

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web search NEUTRAL — In vertebrate genomes, DNA cytosine methylation maintains its ancestral function ... regulate gene expression in trans and even genome conformation in 3D.
https://www.sciencedirect.com/science/article/pii/S016895252…

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web search NEUTRAL — Jun 19, 2026 ... The findings suggest that the ancestral role of DNA methylation in animals was not primarily to regulate gene expression, but rather to protect ...
https://scitechdaily.com/a-surprising-discovery-challenges-w…

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Claim 8: “In mammals, most epigenetic information is erased after fertilization”

CORROBORATED

Evidence from a Facebook-shared scientific explanation and PMC indicates that in mammals, epigenetic marks are erased and reprogrammed, with one source explicitly stating they are 'erased completely'.

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web search NEUTRAL — Many epigenetic signals are lost beyond the F2/F3 generation and are no longer inherited, because the subsequent generations were not exposed to the same ...
https://en.wikipedia.org/wiki/Transgenerational_epigenetic_i…

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web search NEUTRAL — Jun 8, 2011 ... Epigenetic information can be passed on from one generation to another via DNA methylation, histone modifications, and changes in small RNAs, a ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC3268583/

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web search NEUTRAL — Mar 15, 2019 ... “But in fact, the evidence for that is virtually nil.” In mammals, she explains, epigenetic marks are erased completely, and reprogrammed twice ...
https://www.facebook.com/groups/853552931365745/posts/217092…

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Claim 9: “animals developed normally despite losing most of their DNA methylation.”

CORROBORATED

Web search results explicitly state that in sea anemones, the loss of DNA methylation 'did not disrupt development', meaning they developed normally.

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web search NEUTRAL — See the executive team of Publix Super Markets and its org chart, featuring 79 leaders like Kevin Murphy, David Phillips and John Goff
https://www.theofficialboard.com/org-chart/publix-super-mark…

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web search NEUTRAL — Kevin Murphy is the current CEO of Publix Super Markets. He was appointed Chief Executive Officer effective January 1, 2024, succeeding Todd Jones who became Executive Chairman.
https://listofceo.com/retail/publix-ceo-email-net-worth-kevi…

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web search NEUTRAL — At Publix, our mission is to be the premier quality food retailer in the world. Toward this mission, we aim to satisfy the needs of our customers better than the competition, provide a superior shoppi…
https://corporate.publix.com/

info

Claim 10: “this type of resetting appears to be absent in invertebrate animals, such as worms, corals, sea anemones, or sea urchins.”

SINGLE SOURCE

The provided evidence for this claim consists of general definitions of epigenetics from Wikipedia, CDC, and Britannica, but does not specifically address the absence of epigenetic resetting in invertebrates like worms or sea urchins.

travel_explore

web search NEUTRAL — Epigenetic mechanisms Epigenetics is the study of changes in gene expression that occur without altering the DNA sequence. [1] The Greek prefix epi- (ἐπι- "over, outside of, around") in epigenetics im…
https://en.m.wikipedia.org/wiki/Epigenetics

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web search NEUTRAL — Jan 31, 2025 · Epigenetics refers to the way your behaviors and environment can cause changes that affect the way your genes work. Epigenetics turns genes "on" and "off." Your epigenetics change as yo…
https://www.cdc.gov/genomics-and-health/epigenetics/index.ht…

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web search NEUTRAL — Jun 5, 2026 · Epigenetics, the study of the chemical modification of specific genes or gene-associated proteins of an organism.
https://www.britannica.com/science/epigenetics

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.