Ribosomal protein P0 from Aedes albopictus mosquito cells: cDNA cloning and analysis of expression

Gitanjali Jayachandran, Ann M. Fallon

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Ribosomal protein P0 is one of the highly conserved phosphorylated proteins in the large subunit of eukaryotic ribosomes. P0 has been shown in Drosophila to be a multifunctional protein that associates with elongation factor eEF2 to facilitate translation and also plays a role in DNA repair. In this paper we describe the cloning and characterization of the full-length cDNA encoding P0 from the mosquito, Aedes albopictus. In vitro translation showed that the cDNA encoded a 34kDa protein that corresponded in size to a phosphorylated protein from the large ribosomal subunit after in vivo labeling with [32P]orthophosphate. When cells were exposed to various stresses, expression of P0 appeared to differ from that of rpL34. Preliminary RNAi experiments suggested that downregulation of P0 is correlated with apoptosis in C7-10 mosquito cells.

Original languageEnglish (US)
Pages (from-to)1-10
Number of pages10
Issue number1
StatePublished - Sep 2003

Bibliographical note

Funding Information:
This work was supported by grants AI 20385 and AI 43971 from the National Institutes of Health, and by the University of Minnesota Agricultural Experiment Station, St. Paul, MN.


  • AP endonuclease
  • Aedes albopictus
  • Mosquito
  • P0
  • Ribosome


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