Patent classifications
C12P19/04
Engineered glucosyltransferases
Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes exhibit improved alpha-glucan product yields and/or lower leucrose yields, for example. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce alpha-glucan.
Engineered glucosyltransferases
Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes exhibit improved alpha-glucan product yields and/or lower leucrose yields, for example. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce alpha-glucan.
Method for pretreating lignocellulosic biomass
The present invention describes a process for pretreatment of lignocellulosic biomass that comprises the step of contacting a lignocellulosic biomass with an ionic liquid consisting of a phthalic salt of dicholine in the weight ratio from 1:1 to 1:100 of biomass:ionic liquid, said step taking place for a period of time that varies from 0.4 to 48 hours and in a temperature range that varies from 60 to 200° C. Furthermore, the present invention also relates to the use of the pretreated lignocellulosic biomass in an enzymatic hydrolysis process.
Method for pretreating lignocellulosic biomass
The present invention describes a process for pretreatment of lignocellulosic biomass that comprises the step of contacting a lignocellulosic biomass with an ionic liquid consisting of a phthalic salt of dicholine in the weight ratio from 1:1 to 1:100 of biomass:ionic liquid, said step taking place for a period of time that varies from 0.4 to 48 hours and in a temperature range that varies from 60 to 200° C. Furthermore, the present invention also relates to the use of the pretreated lignocellulosic biomass in an enzymatic hydrolysis process.
XYLANASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME
The present invention relates to xylanase variants of a parent xylanase having increased thermostability when compared to the parent xylanase. The present invention also relates to polynucleotides encoding the variants, nucleic acid constructs, vectors, and host cells comprising the polynucleotides, and method of producing the variants of the present invention.
XYLANASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME
The present invention relates to xylanase variants of a parent xylanase having increased thermostability when compared to the parent xylanase. The present invention also relates to polynucleotides encoding the variants, nucleic acid constructs, vectors, and host cells comprising the polynucleotides, and method of producing the variants of the present invention.
BREVUNDIMONAS SP FOR USE IN DISEASE PREVENTION AND TREATMENT
An improved agent and treatment method for a broad variety of diseases in both animals and humans is disclosed. The agent is an inventive composition comprising a bacterial-based culture. Particularly, the inventive composition disclosed herein is an active molecule produced by a Gram-negative bacterial strain that is a member of the genus Brevundimonas. Consumption of the inventive composition by way of liquid or dry feed produces a broad range of health benefits and has proven effective in the prevention and treatment of disease. The bacterium of the disclosed composition selectively modulates Toll-like receptors (TLRs) for the prevention and treatment of disease such as coccidiosis. Specific actions include but are not limited to improvement of gut health, acceleration or enhancement of immune response using a natural immune modulator, and the promotion of animal growth.
PECTIN EXTRACTION PROCESS
The invention relates to a process for reducing the reactivity of pectin extracted from a raw material containing a high proportion of calcium-sensitive pectin, the process comprising subjecting the extracted pectin to enzymatic depolymerization.
PECTIN EXTRACTION PROCESS
The invention relates to a process for reducing the reactivity of pectin extracted from a raw material containing a high proportion of calcium-sensitive pectin, the process comprising subjecting the extracted pectin to enzymatic depolymerization.
Production of Sialylated Oligosaccharide in Host Cells
The present invention is in the technical field of synthetic biology and metabolic engineering. More particularly, the present invention is in the technical field of fermentation of metabolically engineered host cells. The present invention describes a method of making sialylated oligosaccharide by fermentation with a genetically modified cell, as well as to the genetically modified cell used in the method. The genetically modified cell comprises at least one nucleic acid sequence coding for an enzyme involved in sialylated oligosaccharide synthesis and at least one nucleic acid expressing a membrane protein.