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Updated: May 27, 2026

Polysome Fractionation and Analysis of Mammalian Translatomes on a Genome-wide Scale
Published on: May 17, 2014
Orthogonal regulation of protein abundance
Wenxin He1, Mingming Han1, Wenjing Qiao1
1School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China.
Abstract:
Precise regulation of protein abundance is essential for cellular function and physiology. Conventional approaches are often limited by insufficient resolution or unintended crosstalk. In contrast, orthogonal control technologies enable programmable and precise modulation of protein abundance while remaining insulated from native networks. In this review, we summarize the development and application of regulation technologies with different orthogonality across multiple levels. Orthogonal transcriptional control primarily involves the design and engineering of orthogonal RNA polymerases and transcription factors; orthogonal translational regulation focuses on advances in genetic codon expansion and post-translational modifications; targeted protein degradation and compartmentalized regulation are also discussed. Finally, we highlight the integration across the different levels described above. This review might bring disruptive insights and conceptual breakthroughs to precision medicine and sustainable biomanufacturing.
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