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Updated: Sep 11, 2025

Polysome Fractionation and Analysis of Mammalian Translatomes on a Genome-wide Scale
Published on: May 17, 2014
Regulation of transcriptome plasticity by mTOR signaling pathway.
Jeongsik Yong1, Hyunjoo Kim2, Euyeon Lee3
1Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Twin Cities, Minneapolis, MN, USA. jyong@umn.edu.
The mechanistic target of rapamycin (mTOR) pathway regulates RNA processing, influencing cell adaptation and disease. Understanding mTOR
Area of Science:
- Molecular Biology
- Cellular Biology
- Genetics
Background:
- The mechanistic target of rapamycin (mTOR) pathway is crucial for cellular metabolism and growth.
- Emerging evidence highlights mTOR's significant role in regulating the transcriptome.
- mTOR influences RNA processing, impacting proteome diversity and function.
Purpose of the Study:
- To review the multifaceted roles of mTOR in modulating transcriptome plasticity.
- To explore mTOR's influence on RNA processing beyond traditional functions.
- To discuss the implications of mTOR-mediated transcriptome plasticity in adaptation and pathogenesis.
Main Methods:
- Comprehensive review of recent scientific literature.
- Analysis of studies investigating mTOR's impact on alternative splicing and polyadenylation.
- Examination of mTOR's role in cellular responses to environmental and metabolic cues.
Main Results:
- mTOR significantly modulates transcriptome plasticity through RNA processing.
- mTOR-mediated RNA processing allows dynamic cellular adaptation to cues.
- This regulation impacts protein function and cellular behavior contextually.
Conclusions:
- mTOR's regulation of RNA processing is vital for physiological responses and disease development.
- Understanding mTOR's role in transcript diversity is key for cancer research, potentially driving tumor heterogeneity and treatment resistance.
- Comprehensive knowledge of these mechanisms is essential for developing targeted therapies.
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