He established baculovirus insect cell expression system (BEVS) for the first time in India and used this to express foreign genes (>50) and also to ask fundamental questions concerning gene expression in BEVS.

  • Demonstrated correct processing and intracellular deposition of expressed proteins;
  • Discovered the phenomenon of secretory load;
  • Developed BEVS as a system to study role of sugars in protein processing, folding and bioactivity;
  • Discovered novel AUG context sequence which together with codon usage profile affected gene expression;
  • Identified novel host factors which play critical role in regulating transcription from polyhedrin gene promoter;
  • Discovered novel DNA enhancerelement, which upregulates gene expression >50 fold. (US Patented)

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