Induced heat shock mRNAs escape the nucleocytoplasmic transport block in adenovirus-infected HeLa cells.

M. Moore*, J. Schaack, S. B. Baim, R. I. Morimoto, T. Shenk

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

Under conditions in which cytoplasmic accumulation of HeLa cell mRNAs has been blocked by adenovirus infection, hsp70 family mRNAs are transported from the nucleus to the cytoplasm at near normal efficiency subsequent to heat shock. Heat shock does not reverse the general virus-induced block to host cell mRNA transport. The heat shock mRNAs are translated within the cytoplasm of the infected cell but at substantially reduced efficiency compared with that of uninfected cells. Thus, the hsp70 family of mRNAs can escape the transport block but not the translational block instituted late after adenovirus infection. The beta-tubulin gene family is induced by the viral E1A gene after infection, and its mRNAs also accumulate in the cytoplasmic compartment. Given these two examples, it seems likely that the process of transcriptional induction allows the resulting mRNA to escape the viral block of transport.

Original languageEnglish (US)
Pages (from-to)4505-4512
Number of pages8
JournalMolecular and cellular biology
Volume7
Issue number12
DOIs
StatePublished - Dec 1987

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

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