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Related Concept Videos

Ribosome Profiling02:24

Ribosome Profiling

Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...
Types of RNA01:23

Types of RNA

Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
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,...
Bacterial RNA Polymerase00:43

Bacterial RNA Polymerase

Unlike eukaryotes, bacteria use a single RNA Polymerase (RNAP) to transcribe all genes. The different subunits of bacterial RNAPhave distinct functions. The multisubunit structure of the bacterial RNAP helps the enzyme to maintain catalytic function, facilitate assembly, interact with DNA and RNA, and self-regulate its activity.
In most genes, the transcription site is a single base present upstream of the coding sequence. Though RNAP is a catalytically efficient enzyme, it does not recognize...

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Related Experiment Video

Updated: Jun 4, 2026

Quantitative Polymerase Chain Reaction (qPCR)-Based Rapid Diagnosis of Helicobacter pylori Infection and Antibiotic Resistance
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Quantitative Polymerase Chain Reaction (qPCR)-Based Rapid Diagnosis of Helicobacter pylori Infection and Antibiotic Resistance

Published on: July 28, 2023

Ribosomal RNA Gene Restriction Pattern Analysis (Ribotyping) of H. pylori.

W Tee1

  • 1Victorian Infectious Diseases Laboratory, Fairfield Hospital, Victoria, Australia.

Methods in Molecular Medicine
|February 26, 2011
PubMed
Summary

Ribotyping analyzes bacterial ribosomal RNA (rRNA) gene patterns for bacterial identification. This molecular epidemiology tool traces infections, monitors strains, and aids clinical disease assessment.

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Last Updated: Jun 4, 2026

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09:16

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Published on: June 15, 2010

Area of Science:

  • Microbiology
  • Molecular Biology
  • Epidemiology

Background:

  • Ribotyping, developed in 1986, analyzes ribosomal RNA (rRNA) gene restriction patterns.
  • It serves as a taxonomic tool for bacterial identification and differentiation.
  • Widely adopted, it's crucial in molecular epidemiology for various bacterial genera.

Purpose of the Study:

  • To highlight the applications of ribotyping in bacterial identification and differentiation.
  • To emphasize its utility in molecular epidemiology and clinical studies.
  • To showcase its role in tracing infections and understanding disease progression.

Main Methods:

  • Bacterial strain typing using restriction enzyme digestion of ribosomal RNA (rRNA) genes.
  • Analysis of DNA fragment patterns generated by ribotyping.
  • Application of ribotyping for epidemiological and clinical investigations.

Main Results:

  • Ribotyping successfully differentiates numerous bacterial species, including Helicobacter pylori.
  • The method effectively traces infection sources and transmission routes.
  • It aids in distinguishing reinfection from recrudescence and identifying single vs. multiple strain infections.

Conclusions:

  • Ribotyping is a valuable tool for bacterial identification and differentiation.
  • Its applications in molecular epidemiology are extensive, aiding in outbreak investigations.
  • Clinical utility includes monitoring treatment efficacy and understanding infection dynamics.