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Related Concept Videos

Redox Reactions01:27

Redox Reactions

Redox reactions are vital biochemical processes that underpin energy metabolism in cells. These reactions involve the transfer of electrons between molecules, occurring in tandem as oxidation and reduction. Oxidation refers to the loss of electrons, while reduction denotes their gain. This coupling ensures the seamless flow of electrons through metabolic pathways. For example, in bacterial metabolism, glucose undergoes oxidation to carbon dioxide, while oxygen is simultaneously reduced to...
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Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:46

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

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Cellular Redox Profiling Using High-content Microscopy
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Cellular Redox Profiling Using High-content Microscopy

Published on: May 14, 2017

Cellular redox, epigenetics and diseases.

Shyamal K Goswami1

  • 1School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India, skgoswami@mail.jnu.ac.in.

Sub-Cellular Biochemistry
|November 15, 2012
PubMed
Summary
This summary is machine-generated.

Gene regulation complexity arises from how genes are decoded, not just their number. Epigenetics, including chromatin modifications and non-coding RNAs, influences gene expression patterns, but coordination remains unclear.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Epigenetics

Background:

  • The Central Dogma of Molecular Biology has evolved significantly over 40 years.
  • Organismal complexity depends on gene decoding via regulatory modules, not gene count.
  • Metazoan gene expression involves chromatin remodeling, RNA processing, and non-coding RNA modulation.

Purpose of the Study:

  • To explore the coordination of gene regulatory mechanisms.
  • To understand how gene structures relate to expression patterns in development and disease.
  • To investigate the role of epigenetic modifications in heritable gene expression states.

Main Methods:

  • Review of existing literature on gene regulation.
  • Analysis of chromatin structure and modifications.
  • Examination of non-coding RNA functions.

Main Results:

  • Gene expression is regulated by complex, coordinated mechanisms beyond DNA sequence.
  • Epigenetic factors like DNA methylation, histone modifications, and chromosomal context influence gene expression.
  • The precise coordination of these regulatory events remains an active area of research.

Conclusions:

  • Understanding gene regulation requires integrating multiple layers of control, including epigenetics.
  • The interplay between DNA, chromatin, and regulatory elements dictates cellular proteomes.
  • Further research into epigenetic mechanisms is crucial for deciphering gene expression.