Ramesh Gupta

Ramesh Gupta

Professor and Chair,
Department of Biochemistry and Molecular Biology,
School of Medicine,
Southern Illinois University,
Carbondale, IL 62901-4413
E-mail: rgupta@siumed.edu

Ph.D & Post Doctoral fellow: with Prof Carl Woese at University of Illinois at Urbana Champaign.

Selected publication ( Complete list )

Chatterjee, K., I. K. Blaby, P. C. Thiaville, M. Majumdar, H. Grosjean, Y. A. Yuan, R. Gupta and V. de Crécy-Lagard. 2012. The archaeal COG1901/DUF358 SPOUT-methyltransferase members, together with pseudouridine synthase Pus10, catalyze the formation of 1-methylpseudouridine at position 54 of tRNA. RNA 18: (in press).
Joardar, A., S. R. Malliahgari, G. Skariah and R. Gupta. 2011. 2'-O-methylation of the wobble residue of elongator pre-tRNA^Met in Haloferax volcanii is guided by a box C/D RNA containing unique features. RNA Biol. 8:782-791.
(Pubmed)
Blaby, I. K., M. Majumdar, K. Chatterjee, S. Jana, H. Grosjean, V. de Crécy-Lagard and R. Gupta. 2011. Pseudouridine formation in archaeal RNAs: the case of Haloferax volcanii. RNA 17: 1367-1380.
(Pubmed)
Gurha, P. and R. Gupta. 2008. Archaeal Pus10 proteins can produce both pseudouridine 54 and 55 in tRNA. RNA 14:2521-2527.
(Pubmed)
Joardar, A., P. Gurha, G. Skariah and R. Gupta. 2008. Box C/D RNA-guided 2'-O methylations and the intron of tRNA^Trp are not essential for the viability of Haloferax volcanii. J. Bacteriol. 190:7308-7313.
(Pubmed)
Singh, S. K., P. Gurha and R. Gupta. 2008. Dynamic guide-target interactions contribute to sequential 2'-O-methylation by a unique archaeal dual guide box C/D sRNP. RNA 14:1411-1423.
(Pubmed)
Gurha, P., A. Joardar, P. Chaurasia and R. Gupta. 2007. Differential roles of archaeal box H/ACA proteins in guide RNA-dependent and independent pseudouridine formation. RNA Biol. 4:101-109.
(Pubmed)
Singh, S. K., P. Gurha, E. J. Tran, E. S. Maxwell and R. Gupta. 2004. Sequential 2'-O-methylation of archaeal pre-tRNA^Trp nucleotides is guided by the intron-encoded but trans-acting box C/D ribonucleoprotein of pre-tRNA. J. Biol. Chem. 279: 47661-47671.
(Pubmed)
Salgia, S. R., S. K. Singh, P. Gurha and R. Gupta. 2003. Two reactions of Haloferax volcanii RNA splicing enzymes: Joining of exons and circularization of introns. RNA 9: 319-330.
(Pubmed)
Zofallova, L., Y. Guo and R. Gupta. 2000. Junction phosphate is derived from the precursor in the tRNA spliced by the archaeon Haloferax volcanii cell extract. RNA 6:1019-1030.
(Pubmed)
Gomes, I. and R. Gupta. 1997. RNA splicing ligase activity in the archaeon Haloferax volcanii. Biochem. Biophys. Res. Commun. 237:588-594.
(Pubmed)
Datta, P. K., L. K. Hawkins and R. Gupta. 1989. Presence of an intron in elongator methionine-tRNA of Halobacterium volcanii. Can. J. Microbiol. 35:189-194.
(Pubmed)
Gupta, R. 1986. Transfer RNAs of Halobacterium volcanii: Sequences of five leucine and three serine tRNAs. System. Appl. Microbiol. 7:102-105.
Daniels, C. J., R. Gupta and W. F. Doolittle. 1985. Transcription and excision of a large intron in the tRNA^Trp gene of an archaebacterium, Halobacterium volcanii. J. Biol. Chem. 260:3132-3134.
(Pubmed)
Gupta, R. 1984. Halobacterium volcanii tRNAs: Identification of 41 tRNAs covering all amino acids, and the sequences of 33 class I tRNAs. J. Biol. Chem. 259:9461-9471.
(Pubmed)
Kaine, B. P., R. Gupta and C. R. Woese. 1983. Putative introns in tRNA genes of prokaryotes. Proc. Natl. Acad. Sci. USA 80:3309-3312.
(Pubmed)
Gupta, R., J. M. Lanter and C. R. Woese. 1983. Sequence of the 16S ribosomal RNA from Halobacterium volcanii, an archaebacterium. Science 221:656-659.
Gupta, R. and C. R. Woese. 1980. Unusual modification patterns in the transfer ribonucleic acids of archaebacteria. Curr. Microbiol. 4:245-249.