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Epigenetic Regulation01:37

Epigenetic Regulation

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Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
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Epigenetic Regulation01:46

Epigenetic Regulation

28.7K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
28.7K

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Related Experiment Video

Updated: May 5, 2026

Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans
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Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans

Published on: September 7, 2021

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C. elegans epigenetic regulation in development and aging.

Cristina González-Aguilera, Francesca Palladino, Peter Askjaer

    Briefings in Functional Genomics
    |December 12, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Caenorhabditis elegans offers a powerful model for studying epigenetics in development. Research highlights how chromatin modifiers and small RNAs influence cell fate, development, and longevity.

    Keywords:
    Caenorhabditis eleganschromatin organizationlongevityorganogenesissmall RNAtranscriptional silencing

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    Methods to Study Changes in Inherent Protein Aggregation with Age in Caenorhabditis elegans

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    Area of Science:

    • Developmental Biology
    • Epigenetics
    • Genetics

    Background:

    • The nematode Caenorhabditis elegans is a valuable model organism due to its detailed cell lineage map, sequenced genome, and ease of genetic manipulation.
    • Epigenetic mechanisms, including chromatin modification and small RNA pathways, play crucial roles in regulating gene expression during development.

    Purpose of the Study:

    • To review the current understanding of epigenetic regulation during Caenorhabditis elegans development.
    • To highlight how chromatin modifiers and small RNAs impact cell-fate decisions, developmental processes, and longevity in C. elegans.

    Main Methods:

    • Review of existing literature on C. elegans epigenetics.
    • Analysis of genetic dissection studies for phenotypical traits.
    • Discussion of microscopy techniques for observing heterochromatin.
    • Examination of small RNA's role in transgenerational epigenetic inheritance.

    Main Results:

    • Chromatin modifiers are shown to regulate specific cell-fate decisions and behavioral programs.
    • Non-invasive microscopy reveals tissue-specific heterochromatin accumulation at the nuclear periphery.
    • Small RNA molecules contribute to epigenetic control of gene expression with potential transgenerational effects on longevity.

    Conclusions:

    • Caenorhabditis elegans provides a robust system for investigating the intricate roles of epigenetics in development and aging.
    • Epigenetic factors significantly influence developmental trajectories and organismal traits, including longevity.