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Related Experiment Video

Updated: Jun 16, 2026

Induction and Assessment of Class Switch Recombination in Purified Murine B Cells

Induction and Assessment of Class Switch Recombination in Purified Murine B Cells

Published on: August 13, 2010

RNA switches out in the cold.

Ronald R Breaker¹

¹Howard Hughes Medical Institute, Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT 06520-8103, USA. ronald.breaker@yale.edu

|February 5, 2010

Summary

Researchers discovered a cold-induced genetic switch composed of RNA. This finding suggests that temperature-sensing RNAs may represent a widespread mechanism for genetic regulation.

Area of Science:

Molecular Biology
Genetics
RNA Biology

Background:

Genetic switches control gene expression.
RNA molecules can regulate cellular processes.
Temperature changes can influence biological functions.

Purpose of the Study:

To investigate the existence and mechanism of RNA-based genetic switches.
To explore the role of temperature in regulating genetic switches.
To determine if RNA genetic switches are common in nature.

Main Methods:

Analysis of RNA structures and functions.
Experimental studies on cold-induced genetic switches.
Bioinformatic approaches to identify potential RNA switches.

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Last Updated: Jun 16, 2026

Induction and Assessment of Class Switch Recombination in Purified Murine B Cells

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Published on: August 13, 2010

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Main Results:

Identification of a novel RNA molecule acting as a cold-induced genetic switch.
Demonstration of RNA's ability to sense and respond to temperature changes.
Evidence suggesting that RNA-based genetic switches are prevalent.

Conclusions:

RNA can function as a temperature-sensing genetic switch.
Cold-induced RNA switches represent a significant regulatory mechanism.
Thermo-sensing RNAs are likely common and play crucial roles in gene regulation.