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Related Concept Videos

Regulation of Expression at Multiple Steps01:23

Regulation of Expression at Multiple Steps

The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the addition of a...
Transcriptional Regulation: Riboswitches01:23

Transcriptional Regulation: Riboswitches

Riboswitches are RNA elements that regulate gene expression by altering their secondary structures in response to specific effector molecules. These elements, located in the leader regions of certain mRNAs, act as transcriptional regulators by toggling between alternative conformations to control downstream gene expression. Riboswitch-mediated regulation is a precise mechanism for modulating biosynthetic pathways, as exemplified by the riboflavin biosynthesis pathway in Bacillus...
Regulation of Expression Occurs at Multiple Steps02:24

Regulation of Expression Occurs at Multiple Steps

Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Regulation of Expression Occurs at Multiple Steps02:24

Regulation of Expression Occurs at Multiple Steps

Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Translational Regulation01:29

Translational Regulation

Translational regulation in prokaryotes ensures efficient protein synthesis by controlling ribosome access to mRNA. This regulation is mediated by secondary RNA structures, including translational riboswitches, RNA thermometers, and small RNAs (sRNAs), which respond to intracellular and environmental signals to modulate gene expression.Translational RiboswitchesRiboswitches in the leader region of mRNAs can regulate translation by altering the accessibility of the Shine-Dalgarno (SD) sequence,...
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...

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Enhanced Northern Blot Detection of Small RNA Species in Drosophila Melanogaster
09:39

Enhanced Northern Blot Detection of Small RNA Species in Drosophila Melanogaster

Published on: August 21, 2014

Regulatory RNAs and beyond.

Christian Hammann1, Roland K Hartmann, Mark Helm

  • 1Technical University of Darmstadt, Germany.

EMBO Reports
|July 16, 2011
PubMed
Summary
This summary is machine-generated.

RNA molecules dynamically regulate biological processes, a key research area. This topic was central to the 62nd Mosbacher Colloquium, celebrating a decade of the RNA Biochemistry study group.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • RNA Biology

Background:

  • The dynamic regulation of biological processes by RNA is a rapidly advancing field.
  • The German Society for Biochemistry and Molecular Biology (GBM) hosted the 62nd Mosbacher Colloquium to discuss this topic.
  • The event also marked the 10th anniversary of the GBM's RNA Biochemistry study group.

Purpose of the Study:

  • To highlight recent advancements in understanding RNA's regulatory roles in biological processes.
  • To provide a platform for RNA biologists and chemists to discuss their research.
  • To celebrate the 10-year milestone of the RNA Biochemistry study group.

Main Methods:

  • The abstract does not specify methods used in the research presented at the colloquium.
  • The event itself served as a method for knowledge exchange and discussion.

Main Results:

  • The abstract does not detail specific research findings.
  • The colloquium successfully brought together experts in RNA biology and chemistry.

Conclusions:

  • The dynamic regulation of biological processes by RNA is a significant and growing area of research.
  • The RNA Biochemistry study group serves as a vital network for scientists in Germany and Europe.
  • Continued collaboration and discussion are essential for advancing the field of RNA biology.