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Related Concept Videos

Transcription01:10

Transcription

157.0K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
157.0K
Transcription01:17

Transcription

33.4K
Transcription is the synthesis of RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in correctly synthesizing messenger RNA (mRNA). Transcriptional regulation is responsible for the differentiation of different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds of RNA Molecules
In eukaryotes,...
33.4K
Transcription Factors02:16

Transcription Factors

82.8K
Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
82.8K
Eukaryotic Transcription Inhibitors01:52

Eukaryotic Transcription Inhibitors

11.0K
Certain biochemical processes, such as embryonic development and cell growth regulation, depend on the repression of specific genes. DNA binding proteins known as eukaryotic transcription inhibitors regulate the repression of gene expression in eukaryotes. The presence of these inhibitors at the required location and time in the cell is triggered by the presence of hormones and additional signals from other cells.
Eukaryotic transcription inhibitors usually contain two distinct domains, a...
11.0K
Eukaryotic Transcription Activators02:42

Eukaryotic Transcription Activators

12.9K
Transcription activators are proteins that promote the transcription of genes from DNA to RNA. In most cases, these proteins contain two separate domains ‒ a domain that binds to DNA and a domain for activating transcription; however, in some cases, a single domain is responsible for both binding and activation of transcription, as seen in the glucocorticoid receptor and MyoD.
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These...
12.9K
Master Transcription Regulators02:23

Master Transcription Regulators

7.8K
Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
7.8K

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Related Experiment Video

Updated: Feb 8, 2026

Analysis of Termination of Transcription Using BrUTP-strand-specific Transcription Run-on TRO Approach
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Analysis of Termination of Transcription Using BrUTP-strand-specific Transcription Run-on TRO Approach

Published on: March 12, 2017

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Re-SET for Transcription.

Yifan Liu1, Yali Dou2

  • 1Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA.

Molecular Cell
|June 23, 2018
PubMed
Summary
This summary is machine-generated.

Maintaining gene dosage balance is crucial for cell division. This study highlights the roles of H3K4 methylation and Paf1C in regulating gene dosage, influenced by the S phase checkpoint and H3K56 acetylation.

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Area of Science:

  • Cell Biology
  • Genetics
  • Epigenetics

Background:

  • Gene dosage balance is essential for eukaryotic cell division.
  • Previous research identified H3K4 methylation and Paf1C as key players.
  • Regulation by the S phase checkpoint and H3K56 acetylation was suggested.

Purpose of the Study:

  • To elucidate the mechanisms buffering gene dosage imbalance.
  • To investigate the interplay between H3K4 methylation, Paf1C, S phase checkpoint, and H3K56 acetylation.

Main Methods:

  • Utilized molecular biology techniques to study gene expression and epigenetic modifications.
  • Employed genetic approaches to analyze the roles of specific proteins and modifications.
  • Investigated cell cycle regulation and DNA replication dynamics.

Main Results:

  • Confirmed critical roles of H3K4 methylation and Paf1C in buffering gene dosage.
  • Demonstrated that the S phase checkpoint and H3K56 acetylation regulate this process.
  • Provided insights into the coordination of replication timing and gene expression.

Conclusions:

  • H3K4 methylation and Paf1C are vital for maintaining gene dosage balance during cell division.
  • The S phase checkpoint and H3K56 acetylation act as regulatory nodes in this process.
  • This buffering mechanism ensures genomic stability and proper cell function.