-
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. Böck, R. Curtiss III, J. B. Kaper, P. D. Karp, F. C. Neidhardt, T. Nyström, 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
antiterminator Protein N from 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 Research 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 Interacion. 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.