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Ribozymes

Ribozymes

The term ribozyme is used for RNA that can act as an enzyme. Ribozymes are mainly found in selected viruses, bacteria, plant organelles, and lower eukaryotes. Ribozymes were first discovered in 1982 when Tom Cech’s laboratory observed Group I introns acting as enzymes. This was shortly followed by the discovery of another ribozyme, Ribonulcease P, by Sid Altman’s laboratory. Both Cech and Altman received the Nobel Prize in chemistry in 1989 for their work on ribozymes.
Ribozymes can be...

Ribozymes

Ribozymes

The term ribozyme is used for RNA that can act as an enzyme. Ribozymes are mainly found in selected viruses, bacteria, plant organelles, and lower eukaryotes. Ribozymes were first discovered in 1982 when Tom Cech’s laboratory observed Group I introns acting as enzymes. This was shortly followed by the discovery of another ribozyme, Ribonulcease P, by Sid Altman’s laboratory. Both Cech and Altman received the Nobel Prize in chemistry in 1989 for their work on ribozymes.
Ribozymes can be...

Types of RNA

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...

Types of RNA

Types of RNA

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 regulating 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 Performs Diverse...

Types of RNA

Types of RNA

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 regulating 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 Performs Diverse...

Types of RNA

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...

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Related Experiment Video

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Nanomanipulation of Single RNA Molecules by Optical Tweezers

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Published on: August 20, 2014

Modulating RNA structure and catalysis: lessons from small cleaving ribozymes.

Cedric Reymond¹, Jean-Denis Beaudoin, Jean-Pierre Perreault

¹RNA Group/Groupe ARN, Département de biochimie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada.

Cellular and Molecular Life Sciences : CMLS

|September 1, 2009

Summary

Understanding RNA structure and function is vital in molecular biology. Researchers are studying small ribozymes to better predict RNA folding pathways and tertiary structures, advancing the field.

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Area of Science:

Molecular Biology
Biochemistry
Structural Biology

Background:

Ribonucleic acid (RNA) is central to molecular biology, yet predicting its structure and function remains challenging.
Accurate prediction of RNA folding pathways and tertiary structures is crucial for understanding molecular mechanisms.
Ribozymes, RNA molecules with catalytic activity, offer insights into structure-function relationships due to their sensitivity to structural changes.

Purpose of the Study:

To investigate the structure-function relationships of small ribozymes.
To advance the understanding of RNA folding pathways and tertiary structure prediction.
To explore the modulation of catalytic properties in self-cleaving RNA motifs.

Main Methods:

Analysis of natural, self-cleaving RNA motifs.
Study of small ribozyme structures and folding dynamics.
Investigating the impact of structural modifications on catalytic activity.

Main Results:

Recent progress has been made in understanding the structures of small ribozymes.
Insights into the folding pathways of these RNA molecules have been gained.
The modulation of catalytic properties in response to structural changes has been elucidated.

Conclusions:

Studying small ribozymes significantly contributes to the knowledge of RNA structure and function.
Advances in ribozyme research aid in predicting RNA folding and tertiary structures.
This work enhances our comprehension of molecular biology through RNA studies.