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Updated: Sep 7, 2025

Investigating Interactions Between Histone Modifying Enzymes and Transcription Factors in vivo by Fluorescence Resonance Energy Transfer
Published on: October 14, 2022
Time-resolved emission spectroscopy to elucidate the functional nature of heat-stable transcription factor
Nidamarthi H V Kutumbarao1,2, Subramani Karthikeyan3,4,5, Singaravelu Ganesan3
1Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Chennai, Tamil Nadu, India.
Abstract:
A 22 kDa protein from Thermus thermophilus is characterised as a DNA binding transcription regulator and its function is established using the fluorescence spectroscopy technique. The steady-state fluorescence spectroscopy result shows significant binding of calf thymus DNA and protein molecule. To confirm, the DNA quenching effect in real-time, a time-resolved emission spectroscopy study was performed and the result shows good agreement with steady-state quenching analysis.
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