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Updated: Jun 12, 2026

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
Published on: March 7, 2018
Biological roles of translin and translin-associated factor-X: RNA metabolism comes to the fore
Alessa Jaendling1, Ramsay J McFarlane
1North West Cancer Research Fund Institute, College of Natural Sciences, Bangor University, Memorial Building, Deiniol Road, Bangor, Gwynedd, LL57 2UW, United Kingdom.
Abstract:
Translin, and its binding partner protein TRAX (translin-associated factor-X) are a paralogous pair of conserved proteins, which have been implicated in a broad spectrum of biological activities, including cell growth regulation, mRNA processing, spermatogenesis, neuronal development/function, genome stability regulation and carcinogenesis, although their precise role in some of these processes remains unclear. Furthermore, translin (with or without TRAX) has nucleic-acid-binding activity and it is apparent that controlling nucleic acid metabolism and distribution are central to the biological role(s) of this protein and its partner TRAX. More recently, translin and TRAX have together been identified as enhancer components of an RNAi (RNA interference) pathway in at least one organism and this might provide critical insight into the biological roles of this enigmatic partnership. In the present review we discuss the biological and the biochemical properties of these proteins that indicate that they play a central and important role in eukaryotic cell biology.
Insights
Translin and its partner TRAX are crucial proteins involved in diverse cellular functions, including RNA metabolism and genome stability. Their roles in processes like RNA interference are key to understanding eukaryotic cell biology.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- Translin and its binding partner TRAX are conserved proteins with diverse biological roles.
- Their precise functions in processes like cell growth and genome stability are not fully understood.
- Both proteins exhibit nucleic acid-binding activity, suggesting a central role in nucleic acid metabolism.
Purpose of the Study:
- To review the biological and biochemical properties of Translin and TRAX.
- To elucidate the central role of Translin and TRAX in eukaryotic cell biology.
- To highlight their involvement in RNA interference pathways.
Main Methods:
- Literature review of existing studies on Translin and TRAX.
- Analysis of biochemical and biological data.
- Synthesis of information regarding protein functions and interactions.
Main Results:
- Translin and TRAX are implicated in cell growth, mRNA processing, spermatogenesis, neuronal function, and genome stability.
- Nucleic acid binding is a key characteristic, indicating a role in nucleic acid metabolism and distribution.
- Translin and TRAX function as enhancer components in RNA interference (RNAi) pathways.
Conclusions:
- Translin and TRAX play a central and important role in eukaryotic cell biology.
- Understanding their nucleic acid-binding and RNAi pathway involvement is critical.
- Further research is needed to fully clarify their functions in various biological processes.
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