Items where Author is "Roy, Amit"

Article

Sengupta, Souvik ; Ganguly, Agneyo ; Roy, Amit ; BoseDasgupta, Somdeb ; D'Annessa, Ilda ; Desideri, Alessandro ; Majumder, Hemanta K. (2011) ATP independent type IB topoisomerase of Leishmania donovani is stimulated by ATP: an insight into the functional mechanism Nucleic Acids Research, 39 (8). pp. 3295-3309. ISSN 0305-1048

Roy, Amit ; Chowdhury, Sayan ; Sengupta, Souvik ; Mandal, Madhumita ; Jaisankar, Parasuraman ; D'Annessa, Ilda ; Desideri, Alessandro ; Majumder, Hemanta K. (2011) Development of derivatives of 3, 3'-diindolylmethane as potent Leishmania donovani bi-subunit topoisomerase IB poisons PLos One, 6 (12). e28493_1-e28493_12. ISSN 1932-6203

Banerjee, Bijoylaxmi ; Roy, Amit ; Sen, Nilkantha ; Majumder, Hemanta K. (2010) A tyrosyl DNA phosphodiesterase 1 from kinetoplastid parasite Leishmania donovani (LdTdp1) capable of removing topo I-DNA covalent complexes Molecular Microbiology, 78 (1). pp. 119-137. ISSN 0950-382X

Roy, Amit ; BoseDasgupta, Somdeb ; Ganguly, Agneyo ; Jaisankar, Parasuraman ; Majumder, Hemanta K. (2009) Topoisomerase I gene mutations at F270 in the large subunit and N184 in the small subunit contribute to the resistance mechanism of the unicellular parasite Leishmania donovani towards 3,3'-diindolylmethane Antimicrobial Agents and Chemotherapy, 53 (6). pp. 2589-2598. ISSN 0066-4804

Ganguly, Agneyo ; Sengupta, Souvik ; Dasgupta, Somdeb Bose ; Roy, Amit ; Majumder, Hemanta K. (2009) Mutational studies reveal lysine 352 on the large subunit is indispensable for catalytic activity of bi-subunit topoisomerase I from Leishmania donovani Molecular and Biochemical Parasitology, 165 (1). pp. 57-66. ISSN 0166-6851

Roy, Amit ; Ganguly, Agneyo ; BoseDasgupta, Somdeb ; Brata Das, Benu ; Pal, Churala ; Jaisankar, Parasuraman ; Majumder, Hemanta K. (2008) Mitochondria-dependent reactive oxygen species-mediated programmed cell death induced by 3,3'-diindolylmethane through inhibition of F0F1-ATP synthase in unicellular protozoan parasite Leishmania donovani Molecular Pharmacology, 74 (5). pp. 1292-1307. ISSN 0026-895X

BoseDasgupta, Somdeb ; Ganguly, Agneyo ; Roy, Amit ; Mukherjee, Tanmoy ; Majumder, Hemanta K. (2008) A novel ATP-binding cassette transporter, ABCG6 is involved in chemoresistance of Leishmania Molecular and Biochemical Parasitology, 158 (2). pp. 176-188. ISSN 0166-6851

BoseDasgupta, Somdeb ; Ganguly, Agneyo ; Das, Benu Brata ; Roy, Amit ; Khalkho, Neeta V. M. ; Majumder, Hemanta K. (2008) The large subunit of Leishmania topoisomerase I functions as the 'molecular steer' in type IB topoisomerase Molecular Microbiology, 67 (1). pp. 31-46. ISSN 0950-382X

Bosedasgupta, Somdeb ; Das, Benu Brata ; Sengupta, Souvik ; Ganguly, Agneyo ; Roy, Amit ; Tripathi, Gayatri ; Majumder, Hemanta K. (2008) Amino acids 39-456 of the large subunit and 210-262 of the small subunit constitute the minimal functionally interacting fragments of the unusual heterodimeric topoisomerase IB of Leishmania Biochemical Journal, 409 . pp. 481-489. ISSN 0264-6021

Das, Rakhee ; Roy, Amit ; Dutta, Neeta ; Majumder, Hemanta K. (2008) Reactive oxygen species and imbalance of calcium homeostasis contributes to curcumin induced programmed cell death in Leishmania donovani Apoptosis, 13 (7). pp. 867-882. ISSN 1360-8185

Pramanick, Swapan ; Roy, Amit ; Ghosh, Shekher ; Majumder, Hemanta K. ; Mukhopadhyay, Sibabrata (2008) Withanolide Z, a new chlorinated withanolide from Withania somnifera Planta Medica, 74 (14). pp. 1745-1748. ISSN 0032-0943

Roy, Amit ; Das, Benu Brata ; Ganguly, Agneyo ; Dasgupta, Somdeb Bose ; Khalkho, Neeta V. M. ; Pal, Churala ; Dey, Sumit ; Giri, Venkatachalam Sesha ; Jaisankar, Parasuraman ; Dey, Sanjit ; Majumder, Hemanta K. (2008) An insight into the mechanism of inhibition of unusual bi-subunit topoisomerase I from Leishmania donovani by 3,3'-di-indolylmethane, a novel DNA topoisomerase I poison with a strong binding affinity to the enzyme Biochemical Journal, 409 . pp. 611-622. ISSN 0264-6021

Ganguly, Agneyo ; Das, Benubrata ; Roy, Amit ; Sen, Nilkantha ; Dasgupta, Somdeb Bose ; Mukhopadhayay, Sibabrata ; Majumder, Hemanta K. (2007) Betulinic acid, a catalytic inhibitor of topoisomerase I, inhibits reactive oxygen species-mediated apoptotic topoisomerase I-DNA cleavable complex formation in prostate cancer cells but does not affect the process of cell death Cancer Research, 67 (24). pp. 11848-11858. ISSN 0008-5472

Das, Benu B. ; Dasgupta, Somdeb Bose ; Ganguly, Agneyo ; Mazumder, Saumyabrata ; Roy, Amit ; Majumder, Hemanta K. (2007) Leishmania donovani bisubunit topoisomerase I gene fusion leads to an active enzyme with conserved type IB enzyme function FEBS Journal, 274 (1). pp. 150-163. ISSN 1742-464X

Das, Benu Brata ; Sen, Nilkantha ; Roy, Amit ; Dasgupta, Somdeb Bose ; Ganguly, Agneyo ; Mohanta, Bikash Chandra ; Dinda, Biswanath ; Majumder, Hemanta K. (2006) Differential induction of Leishmania donovani bi-subunit topoisomerase I-DNA cleavage complex by selected flavones and camptothecin: activity of flavones against camptothecin-resistant topoisomerase I Nucleic Acids Research, 34 (4). pp. 1121-1132. ISSN 0305-1048

Ganguly, Agneyo ; Das, Benu Brata ; Sen, Nilkantha ; Roy, Amit ; Dasgupta, Somdeb Bose ; Majumder, Hemanta K. (2006) 'LeishMan' topoisomerase I: an ideal chimera for unraveling the role of the small subunit of unusual bi-subunit topoisomerase I from Leishmania donovani Nucleic Acids Research, 34 (21). pp. 6286-6297. ISSN 0305-1048

Ghosh, Subhagata ; Roy, Amit ; Adhya, Samit ; Nandy, A. (2003) Identification of new genes in human chromosome 3 contig 7 by graphical representation technique Current Science, 84 (12). pp. 1534-1543. ISSN 0011-3891

De, Prabir K. ; Roy, Amit ; Banerjee, Ranajit K. (1987) Immunological characterization of soluble peroxidases from rat tissues including preputial gland Molecular and Cellular Biochemistry, 77 (2). pp. 127-134. ISSN 0300-8177

Baba, C. V. K. ; Indumathi, D. ; Roy, Amit ; Vaidya, S. C. (1986) Search for a light neutral particle in the decay of the 3.68 MeV state in ¹³C Physics Letters B, 180 (4). pp. 406-408. ISSN 0370-2693

Datar, V. M. ; Baba, C. V. K. ; Bhattacherjee, S. K. ; Bhuinya, C. R. ; Roy, Amit (1985) Search for a heavy neutrino in the β-decay of ³⁵S Nature, 318 . pp. 547-548. ISSN 0028-0836

Sarkar, Jayasri ; Roy, Amit ; Chatterjee, Tapati ; Datta, Asoke Gopal (1984) Effect of some monoamine oxidase inhibitors and cyclic-AMP on plasma fibrinogen level of rats Biochemical Pharmacology, 33 (4). pp. 539-542. ISSN 0006-2952

Bhatwadekar, Shrikant M. ; Roy, Amit (1983) Inversion of monic polynomials and existence of unimodular elements Mathematische Zeitschrift, 183 (1). pp. 87-94. ISSN 0025-5874