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epigenome

American

[ep-i-jee-nohm] / ˌɛp ɪˈdʒi noʊm /

noun

Genetics. a network of chemical compounds surrounding DNA that modify the genome without altering the DNA sequences and have a role in determining which genes are active in a particular cell.

Etymology

Origin of epigenome

epi- + genome

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

epigenome

The team then examined the epigenome inside these dopamine-producing neurons.

From Science Daily ● Aug. 26, 2026

Unlike DNA itself, the epigenome can change over time.

From Science Daily ● Feb. 11, 2026

"In animals with heart failure, supplementing additional active TGF-β has been shown to be a potential treatment. Correcting the epigenome of hematopoietic stem cells could also be a way to deplete stress memory."

From Science Daily ● May 24, 2024

"This is a critical new step for the field because while there are many studies of animals demonstrating toxin effects on the sperm epigenome, studies in humans have not comprehensively demonstrated this."

From Science Daily ● Feb. 8, 2024

“We’re taking a comprehensive approach to this study, looking at body composition, the epigenome or biological clock, the microbiome and the brain,” said Christopher Gardner, a nutrition scientist at Stanford University.

From Salon ● Jan. 4, 2024

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023