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Related Concept Videos

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Microbial Biosensors

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Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...
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Methylation is a phase II biotransformation process involving the attachment of a methyl group to a substrate. Enzymes known as methyltransferases orchestrate this reaction.
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High Sensitivity 5-hydroxymethylcytosine Detection in Balb/C Brain Tissue
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Hydroxymethylation as a Novel Environmental Biosensor.

T Dao1, R Y S Cheng2, M P Revelo3

  • 1Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States.

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|May 27, 2014
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Summary
This summary is machine-generated.

Epigenetics, including DNA methylation and 5-hydroxymethylation (5-hmC), reveals gene-environment interactions. Understanding 5-hmC

Keywords:
5-carboxylmethylcytosine5-formylmethylcytosine5-hydroxymethylcytosine5-methylcytosineDNA hydroxymethylationDNA methylationbase excision repairdeaminationdemethylationenvironmental biosensorenvironmental healthepigeneticsglucosylationoxidationten-eleven translocation proteins

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • Environmental Health

Background:

  • Epigenetics, encompassing DNA methylation, histone modifications, and non-coding RNAs, is crucial for gene-environment interactions.
  • DNA methylation (5-methylcytosine, 5-mC) is a well-studied epigenetic mechanism.
  • The discovery of 5-hydroxymethylcytosine (5-hmC) and TET proteins has expanded the understanding of epigenetic regulation.

Purpose of the Study:

  • To introduce the chemistry of 5-hydroxymethylation.
  • To review techniques for detecting 5-hydroxymethylation.
  • To explore the role of 5-hmC in environmentally-induced diseases.

Main Methods:

  • Review of chemical principles of 5-hydroxymethylation.
  • Survey of current detection methodologies for 5-hmC.
  • Synthesis of existing research on 5-hmC and environmental factors.

Main Results:

  • 5-hydroxymethylation (5-hmC) is a key epigenetic mark.
  • TET proteins mediate the conversion of 5-mC to 5-hmC.
  • 5-hmC levels are responsive to environmental exposures and linked to disease development.

Conclusions:

  • 5-hmC is a critical player in gene regulation influenced by the environment.
  • Investigating 5-hmC offers insights into the etiology of environmentally-related diseases.
  • Translating 5-hmC research into clinical practice and lifestyle recommendations is a future goal.