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John Robyt

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TOP 3
Rupendra Mukerjea; John F Robyt
Tests for the mechanism of starch biosynthesis: de novo synthesis or an amylogenin primer synthesis.
Rupendra Mukerjea; Alexander N Gray; John F Robyt
Significant increases in potato Starch-Synthase and Starch-Branching-Enzyme activities by dilution with buffer containing dithiothreitol and polyvinyl alcohol 50 K.
Rupendra Mukerjea; Amanda P McIntyre; John F Robyt
Potent inhibition of starch-synthase by Tris-type buffers is responsible for the perpetuation of the primer myth for starch biosynthesis.

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All Publications

2013: Rupendra Mukerjea; John F Robyt
Tests for the mechanism of starch biosynthesis: de novo synthesis or an amylogenin primer synthesis.
Carbohydrate research 2013;372():55-9.
2013: Rupendra Mukerjea; Alexander N Gray; John F Robyt
Significant increases in potato Starch-Synthase and Starch-Branching-Enzyme activities by dilution with buffer containing dithiothreitol and polyvinyl alcohol 50 K.
Carbohydrate research 2013;367():25-8.
2012: Rupendra Mukerjea; Amanda P McIntyre; John F Robyt
Potent inhibition of starch-synthase by Tris-type buffers is responsible for the perpetuation of the primer myth for starch biosynthesis.
Carbohydrate research 2012;355():28-34.
2012: Rupendra Mukerjea; John F Robyt
De novo biosynthesis of starch chains without a primer and the mechanism for its biosynthesis by potato starch-synthase.
Carbohydrate research 2012;352():137-42.
2011: David A Johnston; Rupendra Mukerjea; John F Robyt
Preparation and characterization of new and improved soluble-starches, -amylose, and -amylopectin by reaction with benzaldehyde/zinc chloride.
Carbohydrate research 2011;346(17):2777-84.
2011: Mary Helen P B Vettori; Rupendra Mukerjea; John F Robyt
Comparative study of the efficacies of nine assay methods for the dextransucrase synthesis of dextran.
Carbohydrate research 2011;346(9):1077-82.
2011: Daniel J Falconer; Rupendra Mukerjea; John F Robyt
Biosynthesis of dextrans with different molecular weights by selecting the concentration of Leuconostoc mesenteroides B-512FMC dextransucrase, the sucrose concentration, and the temperature.
Carbohydrate research 2011;346(2):280-4.
2010: Seung-Heon Yoon; D Bruce Fulton; John F Robyt
Enzymatic synthesis of L-DOPA alpha-glycosides by reaction with sucrose catalyzed by four different glucansucrases from four strains of Leuconostoc mesenteroides.
Carbohydrate research 2010;345(12):1730-5.
2010: Rupendra Mukerjea; Daniel J Falconer; Seung-Heon Yoon; John F Robyt
Large-scale isolation, fractionation, and purification of soluble starch-synthesizing enzymes: starch synthase and branching enzyme from potato tubers.
Carbohydrate research 2010;345(11):1555-63.
2010: Yeon-Kye Kim; Rupendra Mukerjea; John F Robyt
Controlled release of D-glucose from starch granules containing 29% free D-glucose and Eudragit L100-55 as a binding and coating agent.
Carbohydrate research 2010;345(8):1065-7.
2010: Rupendra Mukerjea; John F Robyt
Isolation, structure, and characterization of the putative soluble amyloses from potato, wheat, and rice starches.
Carbohydrate research 2010;345(3):449-51.
2009: Seung-Heon Yoon; D Bruce Fulton; John F Robyt
Synthesis of dopamine and L-DOPA-alpha-glycosides by reaction with cyclomaltohexaose catalyzed by cyclomaltodextrin glucanyltransferase.
Carbohydrate research 2009;344(17):2349-56.
2008: John F Robyt; Seung-Heon Yoon; Rupendra Mukerjea
Dextransucrase and the mechanism for dextran biosynthesis.
Carbohydrate research 2008;343(18):3039-48.
2007: Seung-Heon Yoon; D Bruce Fulton; John F Robyt
Formation of covalent beta-linked carbohydrate-enzyme intermediates during the reactions catalyzed by alpha-amylases.
Carbohydrate research 2007;342(1):55-64.
2007: Rupendra Mukerjea; Giles Slocum; John F Robyt
Determination of the maximum water solubility of eight native starches and the solubility of their acidic-methanol and -ethanol modified analogues.
Carbohydrate research 2007;342(1):103-10.
2006: Rupendra Mukerjea; Giles Slocum; Romila Mukerjea; John F Robyt
Significant differences in the activities of alpha-amylases in the absence and presence of polyethylene glycol assayed on eight starches solubilized by two methods.
Carbohydrate research 2006;341(12):2049-54.
2006: Jin-Ha Lee; Hee-Kyoung Kang; Young-Hwan Moon; Dong Lyun Cho; Doman Kim; Jun-Yong Choe; Richard B Honzatko; John F Robyt
Cloning, expression and characterization of an extracellular enolase from Leuconostoc mesenteroides.
FEMS microbiology letters 2006;259(2):240-8.
2006: Rupendra Mukerjea; Rupendra Mukerjea; John F Robyt
Controlled peeling of the surfaces of starch granules by gelatinization in aqueous dimethyl sulfoxide at selected temperatures.
Carbohydrate research 2006;341(6):757-65.
2006: Seung-Heon Yoon; John F Robyt
Optimized synthesis of specific sizes of maltodextrin glycosides by the coupling reactions of Bacillus macerans cyclomaltodextrin glucanyltransferase.
Carbohydrate research 2006;341(2):210-7.
2005: Rupendra Mukerjea; John F Robyt
Starch biosynthesis: further evidence against the primer nonreducing-end mechanism and evidence for the reducing-end two-site insertion mechanism.
Carbohydrate research 2005;340(13):2206-11.
2005: Eun-Seong Seo; Jin-Ha Lee; Ji-Young Park; Doman Kim; Ho Jae Han; John F Robyt
Enzymatic synthesis and anti-coagulant effect of salicin analogs by using the Leuconostoc mesenteroides glucansucrase acceptor reaction.
Journal of biotechnology 2005;117(1):31-8.
2005: Rupendra Mukerjea; John F Robyt
Starch biosynthesis: the primer nonreducing-end mechanism versus the nonprimer reducing-end two-site insertion mechanism.
Carbohydrate research 2005;340(2):245-55.
2005: Hee-Kyoung Kang; Mi Young Seo; Eun-Seong Seo; Doman Kim; Seon Yong Chung; Atsuo Kimura; Donal F Day; John F Robyt
Cloning and expression of levansucrase from Leuconostoc mesenteroides B-512 FMC in Escherichia coli.
Biochimica et biophysica acta 2005;1727(1):5-15.
2004: Eun-Seong Seo; Doman Kim; John F Robyt; Donal F Day; Do-Won Kim; Hyun-Jung Park; Hyen-Joung Park
Modified oligosaccharides as potential dental plaque control materials.
Biotechnology progress 2004;20(5):1550-4.
2004: Seung-Heon Yoon; D Bruce Fulton; John F Robyt
Enzymatic synthesis of two salicin analogues by reaction of salicyl alcohol with Bacillus macerans cyclomaltodextrin glucanyltransferase and Leuconostoc mesenteroides B-742CB dextransucrase.
Carbohydrate research 2004;339(8):1517-29.
2004: Hee-Kyoung Kang; Jin Ha Lee; Doman Kim; Donal F Day; John F Robyt; Kwan-Hwa Park; Tae-Wha Moon
Cloning and expression of Lipomyces starkeyi alpha-amylase in Escherichia coli and determination of some of its properties.
FEMS microbiology letters 2004;233(1):53-64.
2003: Seung-Heon Yoon; John F Robyt
Study of the inhibition of four alpha amylases by acarbose and its 4IV-alpha-maltohexaosyl and 4IV-alpha-maltododecaosyl analogues.
Carbohydrate research 2003;338(19):1969-80.
2003: Rupendra Mukerjea; John F Robyt
Starch biosynthesis: sucrose as a substrate for the synthesis of a highly branched component found in 12 varieties of starches.
Carbohydrate research 2003;338(18):1811-22.
2003: Doman Kim; John F Robyt; So-Young Lee; Jin-Ha Lee; Young-Min Kim
Dextran molecular size and degree of branching as a function of sucrose concentration, pH, and temperature of reaction of Leuconostoc mesenteroides B-512FMCM dextransucrase.
Carbohydrate research 2003;338(11):1183-9.
2003: Seung-Heon Yoon; Rupendra Mukerjea; John F Robyt
Specificity of yeast (Saccharomyces cerevisiae) in removing carbohydrates by fermentation.
Carbohydrate research 2003;338(10):1127-32.
2002: Seung-Heon Yoon; John F Robyt
Synthesis of acarbose analogues by transglycosylation reactions of Leuconostoc mesenteroides B-512FMC and B-742CB dextransucrases.
Carbohydrate research 2002;337(24):2427-35.
2002: Seung-Heon Yoon; John F Robyt
Bacillus macerans cyclomaltodextrin glucanotransferase transglycosylation reactions with different molar ratios of D-glucose and cyclomaltohexaose.
Carbohydrate research 2002;337(21-23):2245-54.
2002: Cheol Yook; John F Robyt
Reactions of alpha amylases with starch granules in aqueous suspension giving products in solution and in a minimum amount of water giving products inside the granule.
Carbohydrate research 2002;337(12):1113-7.
2002: Rupendra Mukerjea; Liangli Yu; John F Robyt
Starch biosynthesis: mechanism for the elongation of starch chains.
Carbohydrate research 2002;337(11):1015-22.
2002: Seung-Heon Yoon; John F Robyt
Addition of maltodextrins to the nonreducing-end of acarbose by reaction of acarbose with cyclomaltohexaose and cyclomaltodextrin glucanyltransferase.
Carbohydrate research 2002;337(6):509-16.
2001: S B Lee; John F Robyt
Trapping of a covalent enzyme intermediate in the reaction of Bacillus macerans cyclomaltodextrin glucanyltransferase with cyclomaltohexaose.
Carbohydrate research 2001;336(1):47-53.
2001: S B Lee; K H Park; John F Robyt
Inhibition of beta-glycosidases by acarbose analogues containing cellobiose and lactose structures.
Carbohydrate research 2001;331(1):13-8.
2000: P S Chang; Rupendra Mukerjea; D Bruce Fulton; John F Robyt
Action of Azotobacter vinelandii poly-beta-D-mannuronic acid C-5-epimerase on synthetic D-glucuronans.
Carbohydrate research 2000;329(4):913-22.
2000: Y K Kim; John F Robyt
Enzyme modification of starch granules: formation and retention of cyclomaltodextrins inside starch granules by reaction of cyclomaltodextrin glucanosyltransferase with solid granules.
Carbohydrate research 2000;328(4):509-15.
2000: Myo-Jeong Kim; W S Park; Hee-Seob Lee; Tae-Jip Kim; J H Shin; S H Yoo; TK Cheong; S Ryu; JIN-CHEOL Kim; Jung-Wan Kim; Tae-Wha Moon; John F Robyt; Kwan-Hwa Park
Kinetics and inhibition of cyclomaltodextrinase from alkalophilic Bacillus sp. I-5.
Archives of biochemistry and biophysics 2000;373(1):110-5.
1999: Myo-Jeong Kim; Soo-Bok Lee; Hee-Seob Lee; S Y Lee; Jin-Sook Baek; Doman Kim; Tae-Wha Moon; John F Robyt; Kwan-Hwa Park
Comparative study of the inhibition of alpha-glucosidase, alpha-amylase, and cyclomaltodextrin glucanosyltransferase by acarbose, isoacarbose, and acarviosine-glucose.
Archives of biochemistry and biophysics 1999;371(2):277-83.
1999: S J Lee; JIN-CHEOL Kim; Myo-Jeong Kim; M Kitaoka; Cheon-Seok Park; S Y Lee; M J Ra; Tae-Wha Moon; John F Robyt; Kwan-Hwa Park
Transglycosylation of naringin by Bacillus stearothermophilusMaltogenic amylase to give glycosylated naringin.
Journal of agricultural and food chemistry 1999;47(9):3669-74.
1998: Kwan-Hwa Park; Myo-Jeong Kim; Hee-Seob Lee; Nam-Soo Han; Doman Kim; John F Robyt
Transglycosylation reactions of Bacillus stearothermophilus maltogenic amylase with acarbose and various acceptors.
Carbohydrate research 1998;313(3-4):235-46.
1998: Tae-Jip Kim; J H Shin; J H Oh; Myo-Jeong Kim; Soo-Bok Lee; S Ryu; K Kwon; Jung-Wan Kim; E H Choi; John F Robyt; Kwan-Hwa Park
Analysis of the gene encoding cyclomaltodextrinase from alkalophilic Bacillus sp. I-5 and characterization of enzymatic properties.
Archives of biochemistry and biophysics 1998;353(2):221-7.
1998: P S Chang; Rupendra Mukerjea; John F Robyt
Measurement of the activity of polyuronic acid C-5 epimerases.
Analytical biochemistry 1998;258(1):59-62.