Researchers from Northwestern University have stumbled upon a previously unobserved function of a protein found in the cell nuclei of all flora and fauna. In addition to exporting materials out of the nucleus, the protein, called Exportin-1 (also called Xpo1 or Crm1), seems to play a role in promoting gene transcription, the process that creates RNA replicas of strands of DNA to express genes.
Transcription factors, which regulate transcription, can also direct genes to interact with the…
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News Source: www.sciencedaily.com
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