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Variation of Atmospheric Pressure

Variation of Atmospheric Pressure

Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
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Related Experiment Videos

A TAD closer to ATM.

Francois Aymard¹, Gaëlle Legube¹

¹LBCMCP, Center for Integrative Biology (CBI), Université de Toulouse, UT3, Toulouse, France; LBCMCP, Center for Integrative Biology (CBI), CNRS, Toulouse, France.

Molecular & Cellular Oncology

|June 18, 2016

Summary

This summary is machine-generated.

Ataxia telangiectasia mutated (ATM) kinase is crucial for DNA repair. New findings show ATM modifies chromatin and chromosome structure to ensure accurate DNA double-strand break repair.

Keywords:

ATM DNA double-strand break chromatin clustering cohesin topologically associated domains γH2AX

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Area of Science:

Molecular Biology
Genetics
Cell Biology

Background:

Ataxia telangiectasia mutated (ATM) is a key kinase in the DNA damage response.
ATM's role in DNA double-strand break (DSB) repair is well-established.

Purpose of the Study:

To investigate the precise mechanisms by which ATM promotes accurate DSB repair.
To explore ATM's influence on chromatin and chromosome organization at break sites.

Main Methods:

The study likely employed techniques to visualize and analyze chromatin structure and chromosome organization following DNA damage.
Specific molecular assays were used to assess ATM's kinase activity and its downstream effects.

Main Results:

ATM actively modifies the local chromatin landscape at DNA break sites.
ATM influences global chromosome organization to facilitate efficient and accurate repair.
These modifications are essential for promoting high-fidelity DSB repair.

Conclusions:

ATM's function extends beyond simple kinase activity, involving structural reorganization of chromatin and chromosomes.
ATM plays a critical role in maintaining genomic integrity by ensuring accurate DNA repair through structural modulation.