Two recently published papers (Takano et al., 2005 and Shaheen and Hopper, 2005) demonstrate that in S. cerevisiae, cytoplasmic tRNAs can be transported into the nucleus. This retrograde movement may expose mature tRNAs to nuclear proofreading or it may regulate tRNA availability in response to amino acid availability.
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| http://dx.doi.org/10.1016/j.molcel.2005.07.009 | DOI Listing |
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