DNA Structural Polymorphism and
Chromatin Organization
  • Site and role of the N-terminal fragment of the nucleosomal core histones in their bind to deoxyribonucleic acid as determined by vibrational spectroscopy. M. Couppez, Santiere, Samir K. Brahmachari, J. Brahms, J. Liquier and E. Taillandier. Biochemistry (1980) 19: 3358
  • B to Z transition in a DNA fibre: The question of handedness of the duplex. V. Sasiskharan and Samir K. Brahmachari. Curr. Sci. (1981) 50: 10
  • Conformational flexibility of DNA: A theoretical formalism and a few practical applications. V. Sasisekharan, M. Bansal, Samir K. Brahmachari and G. Gupta. Biomolecular sterreodynamics, ed. R.H. Sarma, Adenine Press, N.Y. (1981) 1: 123
  • Conformation of DNA in chromatin reconstituted from poly(dA-dT) and the core histones. S. Brahms, Samir K. Brahmachari, N. Angelier and J.G. Brahms. Nucleic Acids Res. (1981) 9: 4879
  • B to Z transition in DNA and its biological implications. Samir K. Brahmachari, Latha P. Kadalayil, K. Majumdar, and V.K. Parnaik. Proceedings of INDO-FRG seminar, BARC, (1983): 106
  • Critical cation balance in BZ transition; Role of Li+. N. Ramesh and Samir K. Brahmachari. FEBS Lett. (1983) 164: 33
  • Temperature dependent ZB transitions in Poly (dG-dC). Latha P. Kadalayil, K. Majumdar and Samir K. Brahmachari. Curr. Sci, (1983) 52: 907
  • X-ray diffraction studies on Mycobacterium Smegmatis DNA. M. Rajagopalan, Samir K. Brahmachari, V. Sasisekharan and R. Srivastava. Biopolymers (1983) 22(7): 1633
  • Structural organization of the meiotic prophase chromatin in the rat testis. Rao B.J., Samir K. Brahmachari and Rao M.R.S. J.Biol.Chem, (1983) 258:13478
  • A novel structural transition in poly (dG-Me5dC): ZBZ. Latha P. Kadalayil and Samir K. Brahmachari. FEBS Lett. (1985) 182: 315
  • Left handed DNA in synthetic and topologically constrained form V DNA and its implications in protein recognition. Shouche, Y.S., Latha P. Kadalayil, Ramesh N., Majumder K., Mandyan V. and Samir K. Brahmachari. Proc. Int symp. Biomol. Struct Interactions, Suppl.J. Biosciences (1985) 8: 563
  • Poly (dG-dC) in the Z-form inhibits E.Coli DNA polymerase I and AMV DNA polymerase activity. Samir K. Brahmachari, Ramesh N., M.R.Das and Veena K. Parnaik. Biochemistry Int. (1985) 11: 281
  • B to Z transitions in DNA and their biological implications. Latha P. Kadalayil and Samir K. Brahmachari. J. Scientific & Industrial Res. (1986) 45: 521
  • Sequence dependence and role of 5′-phosphate in B to Z transition. Majumder K., Samir K. Brahmachari and V. Sasisekharan. FEBS Lett. (1986) 198: 240
  • Use of volatile buffer at ambient temperature: Versatile approach to the purification of self-complementary synthetic deoxyribonucleotides by reverse phase high performance liquid chromatography. Majumder K., Latha P. Kadalayil and Samir K. Brahmachari. J. Chromatography (1986) 355: 328
  • Recognition of B and Z forms of DNA by E. Coli DNA polymerase. Ramesh N., Shouche Y.S. and Samir K. Brahmachari. J.Mol.Biol. (1986) 190: 635
  • DNA structural variability as a factor in gene expression and evolution. Conrad M., Samir K. Brahmachari and V. Sasisekharan. Biosystems (1986) 19: 123
  • Sequences that adopt non B-form conformation in form V DNA as probed by enzymatic methylation. Samir K. Brahmachari, Shouche Y.S., Charles R. Cantor and M. McClelland. J.Mol.Biol. (1987) 193: 201
  • Synthesis and purification of Oligodeoxyribonucleotides: A modified approach. Kumud Majumder, Latha P. Kadalayil and Samir K. Brahmachari. Curr. Sci. (1987) 56: 693
  • Torsional stress, Unusual DNA structures; and Eukaryotic gene expression. C. R. Cantor, S. Bandopadhaya, Samir K. Brahmachari, C.F. Hui, M. McClelland, R. Morse and C. L. Smith. “Unusual DNA structure”; Ed. R.D. Wells and S.C. Harvey. Springer-Verlag, New York, (1988)
  • Sequence specificity of Z-DNA formation in Oligonucleotides. Latha P. Kadalayil, Kumud Majumder, R. K. Mishra and Samir K. Brahmachari. Biochemistry Int. (1988) 17: 121
  • Interruption of (CG)n sequences by GG, TG and CA need not prevent B to Z transition in solution. R.K. Mishra, Latha P. Kadalayil and Samir K. Brahmachari. Nucleic Acids Res. (1988) 16: 4651
  • Synthesis of novel polynucleotide: Potential R-L model. R.K. Mishra and Samir K. Brahmachari. Curr. Sci. (1988) 57: 574
  • Dynamic nature of B to Z transition: Role of DNA supercoiling and Z-DNA binding protein. N. Ramesh and Samir K. Brahmachari. Ind. J. Biochem. Biophys. Silver Jubilee issue (1988) 25: 542
  • Sequence criteria for Z-DNA formation: Studies on poly d(ACGT). Kumud Majumder, Rakesh K. Mishra, Manju Bansal and Samir K. Brahmachari. Nucleic Acids Res. (1989) 17: 450
  • Sequence specificity in supermine induced structural changes in CG-oligomers. Kumud Majumder and Samir K. Brahmachari. Biochemistry Int., (1989) 18: 455
  • Structural alteration from non-B to B-form could reflect DNase I hypersensitivity. N. Ramesh and Samir K. Brahmachari. J.Biomol. Struct. Dynamics (1989) 6: 899
  • Zintrons in rat alpha-Lactalbumin gene. G. Meera, N. Ramesh and Samir K. Brahmachari. FEBS Lett (1989) 251: 245
  • Preparation of Megabase DNA from adult insects and mammalian spleen for pulse field gel electrophoresis. Vani Brahmachari, R. Nagasuma and Samir K. Brahmachari. J. Genetics (1989) 68: 185
  • Unusual DNA structures: Sequence requirements and role in transcriptional control. Samir K. Brahmachari, N. Ramesh, Yogesh S. Souche, Rakesh K. Mishra, Rajesh Bagga and G. Meera. Structures & Methods, Vol 2, Eds. R.H. Sarma & M.H. Sarma. Adenine Press (1990)
  • DNA duplex with a potential to change handedness after every half a turn. Samir K. Brahmachari, Rakesh K. Mishra, Rajesh Bagga and N. Ramesh. Nucleic Acids Res. (1989) 17: 7273
  • Role of Environment in the Interaction of Nonintercalators with Z-DNA. K. Ekambareswara Rao, N. Ramesh, D. Chaudhary, Samir K. Brahmachari and V. Sasisekharan. Journal of Biomolecular Structure & Dynamics (1989) 7: 335
  • Probing of unusual DNA structures in topologically constrained form V DNA: Use of restriction enzyme as a structural probe. Shouche Y.S., N. Ramesh and Samir K. Brahmachari. Nucleic Acids Res. (1990) 18: 267
  • Supercoil induced unusual DNA structures as transcriptional block. Rajesh Bagga, N. Ramesh and Samir K. Brahmachari. Nucleic Acids Res. (1990) 18: 3363-9
  • Z-DNA Binding Protein Mediated Stabilization of the Z-conformation. Samir K. Brahmachari, Eugenia T. Paulus, N. Krishnamachary and N. Ramesh. In Protein Structure-Function (1990), Ed. Zaidi, Abbasi & Smith, TWEL Publishers, 135
  • A novel approach to design cis-acting DNA structural elements for regulation of gene expression in vivo. P.S. Sarkar, R. Bagga, P. Balagurumoorthy and Samir K. Brahmachari. Curr. Sci. (1991) 60: 586