Abstract: Reaction solutions are disclosed herein comprising water, sucrose and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan. The glucosyltransferase enzyme can synthesize insoluble glucan polymer having at least 50% alpha-1,3 glycosidic linkages and a number average degree of polymerization of at least 100. Further disclosed are methods of using such glucosyltransferase enzymes to produce insoluble poly alpha-1,3-glucan.

Abstract: Glucosyltransferase enzymes are disclosed herein that produce branched alpha-glucan polymer. Also disclosed, for example, are polynucleotides encoding these enzymes, as well as methods of producing branched alpha-glucan polymer.

Abstract: Reaction solutions are disclosed herein comprising water, sucrose and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan. The glucosyltransferase enzyme can synthesize insoluble glucan polymer having at least 50% alpha-1,3 glycosidic linkages and a number average degree of polymerization of at least 100. Further disclosed are methods of using such glucosyltransferase enzymes to produce insoluble poly alpha-1,3-glucan.

Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.

Abstract: Compositions are disclosed herein comprising a graft copolymer that comprises: (i) a backbone comprising dextran that has been modified with about 1%-25% alpha-1,2 branches, and (ii) one or more alpha-1,3-glucan side chains comprising at least about 50% alpha-1,3 glycosidic linkages. Further disclosed are reactions for producing such graft copolymers, as well as their use in derivatives, films and various other applications.

Abstract: Reaction solutions are disclosed herein comprising water, sucrose and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan. The glucosyltransferase enzyme can synthesize insoluble glucan polymer having at least 50% alpha-1,3 glycosidic linkages and a number average degree of polymerization of at least 100. Further disclosed are methods of using such glucosyltransferase enzymes to produce insoluble poly alpha-1,3-glucan.

Abstract: Reactions comprising water, sucrose, and one or more glucosyltransferase enzymes are disclosed herein. Glucosyltransferase enzymes used in these reactions comprise certain motifs allowing production of insoluble poly alpha-1,3-glucan having at least 95% alpha-1,3 glycosidic linkages.

Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.

Abstract: Reaction solutions are disclosed herein comprising water, sucrose and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan. The glucosyltransferase enzyme can synthesize insoluble glucan polymer having at least 50% alpha-1,3 glycosidic linkages and a number average degree of polymerization of at least 100. Further disclosed are methods of using such glucosyltransferase enzymes to produce insoluble poly alpha-1,3-glucan.

Abstract: Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.

Abstract: Transesterified-blend compositions comprising transesterified furan-based polyester and transesterified terephthalate-based polyester disclosed herein and articles made therefrom.

Abstract: A method for producing insoluble alpha-1,3-glucan is disclosed. Embodiments of the method comprise providing (i) oligosaccharides that comprise alpha-1,3 and alpha-1,6 glycosidic linkages, or (ii) oligosaccharides derived from a glucosyltransferase reaction; and contacting at least water, sucrose, a glucosyltransferase enzyme, and the oligosaccharides provided in the first step. Glucosyltransferase reaction compositions embodying such a method, and insoluble products thereof, are also disclosed. Yield and other product benefits can be realized when practicing the disclosed subject matter.

Abstract: Glucosyltransferase enzymes are disclosed herein that produce branched alpha-glucan polymer. Also disclosed, for example, are polynucleotides encoding these enzymes, as well as methods of producing branched alpha-glucan polymer.

Abstract: Nonwoven webs comprising a water insoluble ?-(1,3?glucan) polymer and methods of forming the nonwoven webs are disclosed. The water insoluble ?-(1,3?glucan) polymer comprises 90% or greater ?-1,3-glycosidic linkages, less than 1% by weight of ?-1,3,6-glycosidic branch points, a number average degree of polymerization in the range of from 55 to 10,000, and a ratio of apparent DPw to true DPw in the range of from 2 to 10. The nonwoven webs can be used for personal hygiene wipes, filtration media, apparel, or other uses.

Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.

Abstract: Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.

Abstract: Glucosyltransferase enzymes are disclosed herein that produce branched alpha-glucan polymer. Also disclosed, for example, are polynucleotides encoding these enzymes, as well as methods of producing branched alpha-glucan polymer.

Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.

Abstract: Transesterified-blend compositions comprising transesterified furan-based polyester and transesterified terephthalate-based polyester disclosed herein and articles made therefrom.

Abstract: Reactions comprising water, sucrose, and one or more glucosyltransferase enzymes are disclosed herein. Glucosyltransferase enzymes used in these reactions comprise certain motifs allowing production of insoluble poly alpha-1,3-glucan having at least 95% alpha-1,3 glycosidic linkages.