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Jagat Kumar Roy, Ph.D.
Banaras Hindu University
Department of Zoology
Varanasi - 221 005   
Uttar Pradesh   
Phone:  +91-542-2368145
Mobile: 09451525929
Fax: 0542-2368457
Area of Specialization:
Developmental Biology
Research Summary:
The role of a small G-protein, Rab11, in development and differentiation
1.Lakhotia, S. C., Roy, J. K. and Kumar, M.  A study of heterochromatin in Drosophila nasuta by the 5-bromodeoxyuridine-Giemsa staining technique. Chromosoma. 1979.  72, 249-255. [PubMed]
2.Lakhotia, S. C. and Roy, J. K.  Effects of Hoechst 33258 on condensation patterns of hetero- and euchromatin in mitotic and interphase nuclei of Drosophila nasuta. Experimental Cell Research. 1981.  132, 423-431. [PubMed]
3.Sen, R. N., Kar, M. R., Roy, J. K. and Ganguly, A. K.  Individual differences in adapting to shift work. Journal of Human Ergology. 1982.  11 Suppl, 57-65. [PubMed]
4.Roy, J. K., Lakhotia, S. C. and Mello, M. L.  Further observations on Hoechst 33258 plus hypotonic treatment induced supercondensation of interphase heterochromatin in Drosophila nasuta cells. Indian Journal of Experimental Biology. 1982.  20, 791-796. [PubMed]
5.Lakhotia, S. C. and Roy, J. K.  Effects of distamycin A & netropsin on condensation of mitotic chromosomes in early embryos & larval brain cells of Drosophila nasuta. Indian Journal of Experimental Biology. 1983.  21, 357-362. [PubMed]
6.Roy, J. K. and Lakhotia, S. C.  A-T specific DNA ligands and hypotonic induced supercondensation of chromocentre in brain cells of Drosophila nasuta larvae in relation to their synthetic activities. Indian Journal of Experimental Biology. 1984.  22, 287-291. [PubMed]
7.Lakhotia, S. C. and Roy, J. K.  The hyperactive X chromosome is not early replicating in mitotically active somatic cells of Drosophila nasuta males. Genome / National Research Council Canada = Genome / Conseil National De Recherches Canada. 1995.  38, 148-152. [PubMed]
8.Roy, J. K., Majumdar, K. C., Pathak, S. and Khar, A.  Multiple specific chromosomal alterations in a rat ascitic histiocytoma 'AK-5'. Anticancer Research. 1995.  15, 289-294. [PubMed]
9.Mukherjee, A., Lakhotia, S. C. and Roy, J. K.  1(2)gl gene regulates late expression of segment polarity genes in Drosophila. Mechanisms of Development. 1995.  51, 227-234. [PubMed]
10.Emerald, B. S. and Roy, J. K.  Homeotic transformation in Drosophila. Nature. 1997.  389, 684. [PubMed]
11.Emerald, B. S. and Roy, J. K.  Organising activities of engrailed, hedgehog, wingless and decapentaplegic in the genital discs of Drosophila melanogaster. Development Genes and Evolution. 1998.  208, 504-516. [PubMed]
12.Alone, D. P., Tiwari, A. K., Mandal, L., Li, M., Mechler, B. M. and Roy, J. K.  Rab11 is required during Drosophila eye development. The International Journal of Developmental Biology. 2005.  49, 873-879. [PubMed]
13.Tiwari, A. K., Alone, D. P. and Roy, J. K.  Rab11 is essential for fertility in Drosophila. Cell Biology International. 2008.  32, 1158-1168. [PubMed]
14.Bhuin, T. and Roy, J. K.  Rab11 is required for embryonic nervous system development in Drosophila. Cell and Tissue Research. 2009.  335, 349-356. [PubMed]
15.Sasikumar, S. and Roy, J. K.  Developmental expression of Rab11, a small GTP-binding protein in Drosophila epithelia. Genesis. 2009.  47, 32-39. [PubMed]
16.Bhuin, T. and Roy, J. K.  Rab11 is required for myoblast fusion in Drosophila. Cell and Tissue Research. 2009.  336, 489-499. [PubMed]
17.Tiwari, A. K. and Roy, J. K.  Mutation in Rab11 results in abnormal organization of ommatidial cells and activation of JNK signaling in the Drosophila eye. European Journal of Cell Biology. 2009.  88, 445-460. [PubMed]
18.Rai, S. K., Roy, J. K. and Mukherjee, A. K.  Characterisation of a detergent-stable alkaline protease from a novel thermophilic strain Paenibacillus tezpurensis sp. nov. AS-S24-II. Applied Microbiology and Biotechnology. 2010.  85, 1437-1450. [PubMed]
19.Singh, N. K., Das, P., Roy, J. K., Banik, R. M., Yashpal, M., Singh, G., Malik, S. and Maiti, P.  Nanoparticle-induced controlled biodegradation and its mechanism in poly(epsilon-caprolactone). ACS Applied Materials & Interfaces. 2010.  2, 69-81. [PubMed]
20.Bhuin, T. and Roy, J. K.  Rab11 regulates JNK and Raf/MAPK-ERK signalling pathways during Drosophila wing development. Cell Biology International. 2010.  34, 1113-1118. [PubMed]
21.Bhuin, T. and Roy, J. K.  Rab11 is required for cell adhesion, maintenance of cell shape and actin-cytoskeleton organization during Drosophila wing development. The International Journal of Developmental Biology. 2011.  55, 269-279. [PubMed]
22.Das, P. and Roy, J. K.  Molecular analysis of oncogenicity of the transcription factor, BRN3A, in cervical cancer cells. Journal of Cancer Research and Clinical Oncology. 2011.  137, 1859-1867. [PubMed]
  Last modified on : Nov 16, 2011
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