| Publications of Dr.Ranjan Sen |
Khamurai, S., Ranjan, A., Pani, B., Sen, R. and Sen, U. (2010) Crystallization and preliminary X-Ray analysis of Psu, an inhibitor of bacterial transcription terminator, Rho. Acta Crstallographica Section F. in press.
Nisha, C. K., Ranjan, A., Kalyani, S., Wal, M. and Sen, R. (2010). A bacterial transcription terminator with inefficient molecular motor action but with a robust transcription termination function. Journal of Molecular Biology, in press.
Sen, R. and Muteeb, G. (2010). Random mutagenesis using mutator strain. Methods in Molecular Biology, Humana Press. Invited chapter. In press.
Pani, B., Ranjan, A. and Sen, R. (2009). Interaction surface of bacteriophage P4 protein Psu required for the complex formation with the transcription terminator Rho. Journal of Molecular Biology. 389. 647-660.
Velikodvorskaya, T, Komissarova, N. Sen, R. King, R. A., Banik-Maiti, S. and Weisberg, R. A. (2008). Inhibition of a Transcriptional Pause by RNA Anchoring.RNA polymerase. Molecular Cell, 31, 683-694.
Dutta, D., Chalissery, J. and Sen, R. (2008). Transcription termination factor Rho prefers catalytically active elongation complex for releasing RNA. Journal of Biological Chemistry. In press.
Sen, R., J. Chalissery, and G. Muteeb. 18 January 2008, posting date. Chapter 4.5.3.1, Nus Factors of Escherichia coli. In A. Bock, R. Curtiss III, J. B. Kaper, P. D. Karp, F. C. Neidhardt, T. Nystrom, J. M. Slauch, and C. L. Squires (ed.), EcoSal - Escherichia coli and Salmonella: cellular and molecular biology. http://www.ecosal.org. ASM Press, Washington, D.C.
Cheeran, A., Kolli, N. and Sen, R. (2007). The Site of Action of the Antiterminator Protein N from the Lambdoid Phage H-19B. Journal of Biological Chemistry, 282(42), 30997-31007.
Chalissery, J., Banerjee, S., Bandey, I. and Sen, R. (2007). Transcription termination defective mutants of Rho: role of different functions of Rho in releasing RNA from the elongation complex. Journal of Molecular Biology. 371, 855-872.
Pani, B., Banerjee, S., Chalissery, J., Abhishek, M., Ramya, M. L., Suganthan, R. and Sen, R. (2006). Mechanism of inhibition of Rho-dependent transcription termination by bacteriophage P4 protein Psu. Journal of Biological Chemistry. 281 (36), 26491-26500.
Banerjee, S., Chalissery, J., Bandey, I and Sen, R. (2006). Rho-dependent transcription termination. More questions than answers. Journal of Microbiology, 44(1):11-22.
Viswanathan, S., Qmra, R. Burma, C., Sen, R., and Mande, S.C. (2006) Cation-mediated interplay of loops in Mycobacterium tuberculosis Chaperonin-10. Journal of Biophysical and structural Dynamics, 23(4), 365-376.
Cheeran, A., Suganthan, R., Swapna, G., Bandey, I., Acharya, S., Nagarajaram, H. A. and Sen, R. (2005) E.coli RNA polymerase mutations impaired for H19B N specific transcription antitermination are located close to the upstream edge of RNA:DNA hybrid and beginning of RNA exit channel of elongation complex. Journal of Molecular Biology, 252, 28-43.
King, R.A., Markov, D., Sen, R., Severinov, K. and Weisberg, R. A. (2004) A conserved Zinc binding site in the largest subunit of DNA-dependent RNA polymerase modulates intrinsic transcription termination and antitermination but does not stabilize the elongation complex. Journal of Molecular Biology, 342(4): 1143-54.
Sen, R. and Dasgupta, D. (2003) Simple fluorescence assays probing conformational changes of Escherichia coli RNA polymerase during transcription initiation. Methods in Enzymology. 370:598-605.
King R.A., Sen, R. and Weisberg, R. A. (2003) Using a lac repressor roadblock to analyze the E. coli transcription elongation complex. Methods in Enzymology. 371:207-18.
Sen, R., King, R.A., Mzhavia, N., Madsen, P. and Weisberg, RW (2002). Sequence specific interaction of nascent antiterminator RNA with the Zn-finger motif of E.coli RNA polymerase. Molecular Microbiology, 46(1):215-22.
Susa, M., Sen R. and Shimamoto, N. (2002) Generality of the Branched Pathway in Transcription Initiation by Escherichia coli RNA Polymerase. Journal of Biological Chemistry. 3; 277(18): 15407-12.
Sen, R., King, R. and Weisberg, R. W. (2001). Modification of the properties of elongating RNA polymerase by persistent association with nascent antiterminator RNA. Molecular Cell. 7(5): 993-1001.
Sen, R., Nagai, H and Shimamoto, N. (2001). Conformational switching of the E.coli RNA polymerase-promoter binary complex is facilitated by elongation factors GreA/B. Genes to Cell, 6(5), 389-402.
Sen, R., Nagai, H. and Shimamoto, N. (2000). RNA Polymerase-arrest at Lambda PR promoter during transcription initiation Journal of Biological Chemistry. 275(15), 10899-10904.
Sen, R., Nagai, H., Hernandez VJ and Shimamoto, N. (1998). Reduction in abortive transcription from the Lambda PR promoter by mutations in region 3 of the sigma-70 subunit of Escherichia coli RNA polymerase. Journal of Biological Chemistry. 273(16), 9872-9877.
Majee, S., Sen, R., Guha, S., Bhattacharyya, D. and Dasgupta, D. (1997). Differential interaction of the Mg+2 complexes of chromomycin A3 and mithramycin with poly(dG-dC).poly(dC-dG) and poly(dG).poly(dC). Biochemistry, 36(8), 2291-2299.
Sen, R. and Dasgupta, D. (1996). Conformational changes of E.coli RNA polymerase during transcription initiation. Biophysical Chemistry. 57(2-3), 269-278.
Sen, R. and Dasgupta, D. (1994). Intrinsic fluorescence of E.coli RNA polymerase as a probe for its conformational changes during transcription initiation. Biochemical. Biophysical Research. Communication. 201(2), 820-828
Sen, R. and Dasgupta, D. (1993). Interaction of ribonucleotides with T7 RNA polymerase: probable role of GTP in transcription initiation. Biochemical Biophysical Reseaarch Communicaton. 195(2), 616-622.
Dasgupta, D., Aich, P., Sen, R. and Bhattacharya, K. (1992). Characterization of interaction of an antitumor antibiotic, Chromomycin A3 with synthetic DNA, poly(dC-dC).poly(dG-dC)-- a spectroscopic study. Proeedings of Indian National Science Academy. B58, 311-320.
Aich, P., Sen, R. and Dasgupta D. (1992). Interaction between antitumour antibiotic chromomycin A3 and Mg+2: Evidence for the formation of two types of chromomycin A3-Mg+2 complexes. Chemico- Biological Interaction. 83(1), 22-33.
Aich, P., Sen, R. and Dasgupta D. (1992). Role of magnesium ion in the interaction between chromomycin A3 and DNA: binding of chromomycin A3-Mg+2 complexes with DNA. Biochemistry, 31(11), 2988-2997.
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