Indian scientists helped rewrite a 50-Year-Old biological rule
Nov 18, 2025
5 min read
70% UPSC
GS3PIB - Press Releases
Key Points
- Study published in PNAS overturns 50-year-old model of bacterial gene regulation.
- Researchers from Bose Institute and Rutgers University found that the sigma cycle is not universal.
- In Bacillus subtilis, σA factor remains bound to RNA polymerase throughout transcription.
- Modern techniques like biochemical assays, chromatin immunoprecipitation, and fluorescence-based imaging were used.
- The discovery has implications for microbiology and the development of antibiotics.