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Bal Ram Singh

Research Profile

Chemicals & Drugs

Living Beings

Clostridium botulinum

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Amino Acid Sequences

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Publications

TOP 3
Anne-Marie Bryant; Shuowei Cai; Jenny Davis; Bal Ram Singh
Molecular composition and extinction coefficient of native botulinum neurotoxin complex produced by Clostridium botulinum hall A strain.
Verónica Asensio; Bal Ram Singh; Flora Alonso Vega; Emma F Covelo
Effects of tree vegetation and waste amendments on the fractionation of Cr, Cu, Ni, Pb and Zn in polluted mine soils.
Thomas M Feltrup; Bal Ram Singh
Development of a fluorescence internal quenching correction factor to correct botulinum neurotoxin type A endopeptidase kinetics using SNAPtide.

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All Publications

2013: Anne-Marie Bryant; Shuowei Cai; Jenny Davis; Bal Ram Singh
Molecular composition and extinction coefficient of native botulinum neurotoxin complex produced by Clostridium botulinum hall A strain.
The protein journal 2013;32(2):106-17.
2013: Verónica Asensio; Bal Ram Singh; Flora Alonso Vega; Emma F Covelo
Effects of tree vegetation and waste amendments on the fractionation of Cr, Cu, Ni, Pb and Zn in polluted mine soils.
The Science of the total environment 2013;443():446-53.
2012: Thomas M Feltrup; Bal Ram Singh
Development of a fluorescence internal quenching correction factor to correct botulinum neurotoxin type A endopeptidase kinetics using SNAPtide.
Analytical chemistry 2012;84(24):10549-53.
2012: Elena Maestri; Bal Ram Singh; Nelson Marmiroli
Report on the Second Annual Conference of COST Action FA0905, "what's for lunch? Nutrients and minerals in every day food. How the knowledge on mineral nutrition of plants can improve human nutrition". Venice, Italy, 24-25 November 2011.
Environmental science and pollution research international 2012;19(4):1348-50.
2012: Raj Kumar; Shuowei Cai; Koyel Ghosal; Yu Zhou; Bal Ram Singh
Anti-apoptotic activity of hemagglutinin-33 and botulinum neurotoxin and its implications to therapeutic and countermeasure issues.
Biochemical and biophysical research communications 2012;417(2):726-31.
2011: Bal Ram Singh; Satish K Gupta; Hassan Azaizeh; Stefan Shilev; Damien Sudre; Won Yong Song; Enrico Martinoia; Michel Mench
Safety of food crops on land contaminated with trace elements.
Journal of the science of food and agriculture 2011;91(8):1349-66.
2011: Nagarajan Thirunavukkarasusx; Koyel J Ghosal; Roshan Kukreja; Yu Zhou; Alan Anthony Dombkowski; Shuowei Cai; Bal Ram Singh
Microarray analysis of differentially regulated genes in human neuronal and epithelial cell lines upon exposure to type A botulinum neurotoxin.
Biochemical and biophysical research communications 2011;405(4):684-90.
2010: Hai-Hong Wang; Stephen Riding; Paul Lindo; Bal Ram Singh
Endopeptidase activities of botulinum neurotoxin type B complex, holotoxin, and light chain.
Applied and environmental microbiology 2010;76(19):6658-63.
2010: Bal Ram Singh; Nagarajan Thirunavukkarasu; Koyel Ghosal; Easwaran Ravichandran; Roshan Kukreja; Shuowei Cai; Peng Zhang; Radharaman Ray; Prabhati Ray
Clostridial neurotoxins as a drug delivery vehicle targeting nervous system.
Biochimie 2010;92(9):1252-9.
2010: Tzuu-Wang Chang; Michael Blank; Pavithra Janardhanan; Bal Ram Singh; Charlene Mello; Michael Blind; Shuowei Cai
In vitro selection of RNA aptamers that inhibit the activity of type A botulinum neurotoxin.
Biochemical and biophysical research communications 2010;396(4):854-60.
2010: Md Abul Kashem; Bal Ram Singh; Hiroshi Kubota; Reiko Sugawara; Nobuyuki Kitajima; Toshihito Kondo; Shigenao Kawai
Zinc tolerance and uptake by Arabidopsis halleri ssp. gemmifera grown in nutrient solution.
Environmental science and pollution research international 2010;17(5):1174-6.
2010: Frank J Lebeda; Uma Mudunuri; Bal Ram Singh; Robert Stephens; Regina Z Cer; Michael Adler
The zinc-dependent protease activity of the botulinum neurotoxins.
Toxins 2010;2(5):978-97.
2010: Shuowei Cai; Paul Lindo; Jong-Beak Park; Kruti Vasa; Bal Ram Singh
The identification and biochemical characterization of drug-like compounds that inhibit botulinum neurotoxin serotype A endopeptidase activity.
Toxicon : official journal of the International Society on Toxinology 2010;55(4):818-26.
2010: Roshan V Kukreja; Shashi K Sharma; Bal Ram Singh
Molecular basis of activation of endopeptidase activity of botulinum neurotoxin type E.
Biochemistry 2010;49(11):2510-9.
2010: Ping-Ke Fang; Brian H Raphael; Susan E Maslanka; Shuowei Cai; Bal Ram Singh
Analysis of genomic differences among Clostridium botulinum type A1 strains.
BMC genomics 2010;11():725.
2009: Xia Feng; Bal Ram Singh
Molecular identification of glutathione S-transferase gene and cDNAs of two isotypes from northern quahog (Mercenaria mercenaria).
Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology 2009;154(1):25-36.
2009: Roshan Kukreja; Tzuu-Wang Chang; Shuowei Cai; Paul Lindo; Stephen Riding; Yu Zhou; Easwaran Ravichandran; Bal Ram Singh
Immunological characterization of the subunits of type A botulinum neurotoxin and different components of its associated proteins.
Toxicon : official journal of the International Society on Toxinology 2009;53(6):616-24.
2009: Peng Zhang; Radharaman Ray; Bal Ram Singh; Dan Li; Michael Adler; Prabhati Ray
An efficient drug delivery vehicle for botulism countermeasure.
BMC pharmacology 2009;9():12.
2007: Roshan V Kukreja; Bal Ram Singh
Comparative role of neurotoxin-associated proteins in the structural stability and endopeptidase activity of botulinum neurotoxin complex types A and E.
Biochemistry 2007;46(49):14316-24.
2007: Brian N Blanchette; Xia Feng; Bal Ram Singh
Marine glutathione S-transferases.
Marine biotechnology (New York, N.Y.) 2007;9(5):513-42.
2007: Brian N Blanchette; Bal Ram Singh
A high pressure liquid chromatography-based assay for glutathione-S-transferase class distinction assay.
Journal of biochemical and biophysical methods 2007;70(5):761-5.
2007: Shuowei Cai; Bal Ram Singh; Shashi Sharma
Botulism diagnostics: from clinical symptoms to in vitro assays.
Critical reviews in microbiology 2007;33(2):109-25.
2007: Shuowei Cai; Bal Ram Singh
Strategies to design inhibitors of Clostridium botulinum neurotoxins.
Infectious disorders drug targets 2007;7(1):47-57.
2007: Roshan V Kukreja; Sapna Sharma; Shuowei Cai; Bal Ram Singh
Role of two active site Glu residues in the molecular action of botulinum neurotoxin endopeptidase.
Biochimica et biophysica acta 2007;1774(2):213-22.
2007: Sweta Parikh; Bal Ram Singh
Comparative membrane channel size and activity of botulinum neurotoxins A and E.
The protein journal 2007;26(1):19-28.
2007: Yu Zhou; Sowmya Paturi; Paul Lindo; Suzanne M Shoesmith; Bal Ram Singh
Cloning, expression, purification, and characterization of biologically active recombinant hemagglutinin-33, type A botulinum neurotoxin associated protein.
The protein journal 2007;26(1):29-37.
2006: Shuowei Cai; Roshan V Kukreja; Sue Shoesmith; Tzuu-Wang Chang; Bal Ram Singh
Botulinum neurotoxin light chain refolds at endosomal pH for its translocation.
The protein journal 2006;25(7-8):455-62.
2006: Bal Ram Singh
Botulinum neurotoxin structure, engineering, and novel cellular trafficking and targeting.
Neurotoxicity research 2006;9(2-3):73-92.
2006: Sapna Sharma; Yu Zhou; Bal Ram Singh
Cloning, expression, and purification of C-terminal quarter of the heavy chain of botulinum neurotoxin type A.
Protein expression and purification 2006;45(2):288-95.
2005: Yu Zhou; Sean Foss; Paul Lindo; Hemanta K Sarkar; Bal Ram Singh
Hemagglutinin-33 of type A botulinum neurotoxin complex binds with synaptotagmin II.
The FEBS journal 2005;272(11):2717-26.
2004: Shashi Kant Sharma; Bal Ram Singh
Enhancement of the endopeptidase activity of purified botulinum neurotoxins A and E by an isolated component of the native neurotoxin associated proteins.
Biochemistry 2004;43(16):4791-8.
2004: Shuowei Cai; Bal Ram Singh
A distinct utility of the amide III infrared band for secondary structure estimation of aqueous protein solutions using partial least squares methods.
Biochemistry 2004;43(9):2541-9.
2004: Yu Zhou; Bal Ram Singh
Cloning, high-level expression, single-step purification, and binding activity of His6-tagged recombinant type B botulinum neurotoxin heavy chain transmembrane and binding domain.
Protein expression and purification 2004;34(1):8-16.
2003: Brian N Blanchette; Bal Ram Singh
An enzyme based dechlorination of a polychlorinated biphenyl (PCB) mixture, Aroclor 1248, using glutathione S-transferases from the northern quahog Mercenaria mercenaria.
Journal of protein chemistry 2003;22(4):377-86.
2003: S K Sharma; M A Ramzan; Bal Ram Singh
Separation of the components of type A botulinum neurotoxin complex by electrophoresis.
Toxicon : official journal of the International Society on Toxinology 2003;41(3):321-31.
2003: Diana G Ivanova; Bal Ram Singh
Nondestructive FTIR monitoring of leaf senescence and elicitin-induced changes in plant leaves.
Biopolymers 2003;72(2):79-85.
2002: Brian N Blanchette; Bal Ram Singh
Induction of glutathione-S-transferase in the Northern quahog Mercenaria mercenaria after exposure to the polychlorinated biphenyl (PCB) mixture Aroclor 1248.
Journal of protein chemistry 2002;21(8):489-94.
2002: Fen-Ni Fu; David D Busath; Bal Ram Singh
Spectroscopic analysis of low pH and lipid-induced structural changes in type A botulinum neurotoxin relevant to membrane channel formation and translocation.
Biophysical chemistry 2002;99(1):17-29.
2002: Diana G Ivanova; Hemanta K Sarkar; Bal Ram Singh
Cloning, expression, and biological activity of recombinant alpha-cinnamomin: toxicity to cranberry and other plant species.
Journal of natural toxins 2002;11(2):95-102.
2002: Brian N Blanchette; Bal Ram Singh
Isolation and characterization of glutathione-S-transferase isozyme Q3 from the northern quahog, Mercinaria mercinaria.
Journal of protein chemistry 2002;21(3):151-9.
2001: Shuowei Cai; Bal Ram Singh
Role of the disulfide cleavage induced molten globule state of type a botulinum neurotoxin in its endopeptidase activity.
Biochemistry 2001;40(50):15327-33.
2001: E B Puffer; R B Lomneth; Hemanta K Sarkar; Bal Ram Singh
Differential roles of developmentally distinct SNAP-25 isoforms in the neurotransmitter release process.
Biochemistry 2001;40(31):9374-8.
2001: Shuowei Cai; Bal Ram Singh
A correlation between differential structural features and the degree of endopeptidase activity of type A botulinum neurotoxin in aqueous solution.
Biochemistry 2001;40(15):4693-702.
2000: Shashi Kant Sharma; Bal Ram Singh
Immunological properties of Hn-33 purified from type A Clostridium botulinum.
Journal of natural toxins 2000;9(4):357-62.
2000: Lei Li; Bal Ram Singh
Role of zinc binding in type A botulinum neurotoxin light chain's toxic structure.
Biochemistry 2000;39(34):10581-6.
2000: V T Zachariah; N Walsh-Sayles; Bal Ram Singh
Isolation, purification, and characterization of glutathione S-transferase from oat (Avena sativa) seedlings.
Journal of protein chemistry 2000;19(6):425-30.
2000: Lei Li; Bal Ram Singh
Spectroscopic analysis of pH-induced changes in the molecular features of type A botulinum neurotoxin light chain.
Biochemistry 2000;39(21):6466-74.
2000: B Li; X Qian; F L Caruso; Bal Ram Singh; Hemanta K Sarkar
Cloning and sequence analysis of a Phytophthora cinnamomi gene which encodes for cinnamomin, a toxin with implications in root rot of cranberry.
Journal of natural toxins 2000;9(2):113-23.
2000: Lei Li; T Binz; H Niemann; Bal Ram Singh
Probing the mechanistic role of glutamate residue in the zinc-binding motif of type A botulinum neurotoxin light chain.
Biochemistry 2000;39(9):2399-405.
1999: Lei Li; Bal Ram Singh
High-level expression, purification, and characterization of recombinant type A botulinum neurotoxin light chain.
Protein expression and purification 1999;17(3):339-44.
1999: Fen-Ni Fu; Bal Ram Singh
Calcein permeability of liposomes mediated by type A botulinum neurotoxin and its light and heavy chains.
Journal of protein chemistry 1999;18(6):701-7.
1999: H D Shukla; Bal Ram Singh
Identification of DnaJ-like chaperone in Clostridium botulinum type A.
Journal of protein chemistry 1999;18(6):695-700.
1999: S Cai; Bal Ram Singh
Identification of beta-turn and random coil amide III infrared bands for secondary structure estimation of proteins.
Biophysical chemistry 1999;80(1):7-20.
1999: Andrea T Hadfield; Gregory A Petsko; Paul Lindo; Bal Ram Singh
Preliminary crystallographic studies of a protease resistant botulinum neurotoxin associated protein Hn-33.
Acta crystallographica. Section D, Biological crystallography 1999;55(Pt 6):1237-9.
1999: Shuowei Cai; Hemanta K Sarkar; Bal Ram Singh
Enhancement of the endopeptidase activity of botulinum neurotoxin by its associated proteins and dithiothreitol.
Biochemistry 1999;38(21):6903-10.
1999: Lei Li; Bal Ram Singh
In vitro translation of type A Clostridium botulinum neurotoxin heavy chain and analysis of its binding to rat synaptosomes.
Journal of protein chemistry 1999;18(1):89-95.
1999: Shashi Kant Sharma; Fen-Ni Fu; Bal Ram Singh
Molecular properties of a hemagglutinin purified from type A Clostridium botulinum.
Journal of protein chemistry 1999;18(1):29-38.
1998: Shashi Kant Sharma; Bal Ram Singh
Hemagglutinin binding mediated protection of botulinum neurotoxin from proteolysis.
Journal of natural toxins 1998;7(3):239-53.
1998: Lei Li; Bal Ram Singh
Isolation of synaptotagmin as a receptor for types A and E botulinum neurotoxin and analysis of their comparative binding using a new microtiter plate assay.
Journal of natural toxins 1998;7(3):215-26.
1998: Fen-Ni Fu; R B Lomneth; Shuowei Cai; Bal Ram Singh
Role of zinc in the structure and toxic activity of botulinum neurotoxin.
Biochemistry 1998;37(15):5267-78.
1998: B Li; X Qian; Hemanta K Sarkar; Bal Ram Singh
Molecular characterization of type E Clostridium botulinum and comparison to other types of Clostridium botulinum.
Biochimica et biophysica acta 1998;1395(1):21-7.
1998: Fen-Ni Fu; Shashi Kant Sharma; Bal Ram Singh
A protease-resistant novel hemagglutinin purified from type A Clostridium botulinum.
Journal of protein chemistry 1998;17(1):53-60.
1996: Bal Ram Singh; L A Barcomb-Caddle; Fen-Ni Fu; B Li
Gene probe-based detection of type E botulinum neurotoxin binding protein using polymerase chain reaction.
Toxicon : official journal of the International Society on Toxinology 1996;34(7):737-42.
1996: Bal Ram Singh; T Lopes; M A Silvia
Immunochemical characterization of type A botulinum neurotoxin in its purified and complexed forms.
Toxicon : official journal of the International Society on Toxinology 1996;34(2):267-75.
1996: Bal Ram Singh; M A Silvia
Detection of botulinum neurotoxins using optical fiber-based biosensor.
Advances in experimental medicine and biology 1996;391():499-508.
1996: Bal Ram Singh
Critical aspects of bacterial protein toxins.
Advances in experimental medicine and biology 1996;391():63-84.
1995: Bal Ram Singh; B Li; D Read
Botulinum versus tetanus neurotoxins: why is botulinum neurotoxin but not tetanus neurotoxin a food poison?
Toxicon : official journal of the International Society on Toxinology 1995;33(12):1541-7.
1995: Bal Ram Singh; J Foley; C Lafontaine
Physicochemical and immunological characterization of the type E botulinum neurotoxin binding protein purified from Clostridium botulinum.
Journal of protein chemistry 1995;14(1):7-18.
1994: D N Ledoux; X H Be; Bal Ram Singh
Quaternary structure of botulinum and tetanus neurotoxins as probed by chemical cross-linking and native gel electrophoresis.
Toxicon : official journal of the International Society on Toxinology 1994;32(9):1095-104.