Results 41 to 50 of about 1,162,670 (340)

Combinatorial pathway enzyme engineering and host engineering overcomes pyruvate overflow and enhances overproduction of N-acetylglucosamine in Bacillus subtilis

open access: yesMicrobial Cell Factories, 2019
Background Glucosamine-6-phosphate N-acetyltransferase (GNA1) is the key enzyme that causes overproduction of N-acetylglucosamine in Bacillus subtilis.
Wenlong Ma   +5 more
doaj   +1 more source

Metabolic Engineering of Saccharomyces cerevisiae for Efficient Retinol Synthesis

open access: yesJournal of Fungi, 2023
Retinol, the main active form of vitamin A, plays a role in maintaining vision, immune function, growth, and development. It also inhibits tumor growth and alleviates anemia.
Xuan Wang   +7 more
doaj   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Glycolytic enzymes - novel carbohydrate binding proteins for glycoprotein analysis [PDF]

open access: yes, 2011
•The cloning, expression, purification and characterisation of recombinant prokaryotic glycolytic enzymes •The mutagenesis of prokaryotic glycolytic enzymes to generate novel recombinant carbohydrate binding proteins •The characterisation of the ...
Clarke, Paul A.   +3 more
core  

Microalgae cultivation for lipids and carbohydrates production [PDF]

open access: yes, 2017
Microalgae are photoautotrophic microorganisms that can produce energy both by using sunlight, water and CO2 (phototrophic metabolism) and by using organic sources such as glucose (heterotrophic metabolism).
Altimari, Pietro   +7 more
core   +1 more source

Mechanisms of IgE‐mediated food allergy and the role of allergen‐specific B cells

open access: yesFEBS Letters, EarlyView.
Food allergy arises when allergen‐specific B cells preferentially produce immunoglobulin E (IgE) antibodies against harmless foods. This article explains the mechanisms driving IgE‐mediated reactions, highlights the central role of these B cells, and discusses how natural tolerance (NT) and oral immunotherapy (OIT) can reshape allergic immune responses.
Juan‐Felipe López   +2 more
wiley   +1 more source

B4GAT1 is the priming enzyme for the LARGE-dependent functional glycosylation of α-dystroglycan

open access: yeseLife, 2014
Recent studies demonstrated that mutations in B3GNT1, an enzyme proposed to be involved in poly-N-acetyllactosamine synthesis, were causal for congenital muscular dystrophy with hypoglycosylation of α-dystroglycan (secondary dystroglycanopathies).
Jeremy L Praissman   +7 more
doaj   +1 more source

Enhanced cercosporin production by co-culturing Cercospora sp. JNU001 with leaf-spot-disease-related endophytic bacteria

open access: yesMicrobial Cell Factories, 2021
Background Owing to the excellent properties of photosensitization, cercosporin, one of naturally occurring perylenequinonoid pigments, has been widely used in photodynamic therapy, or as an antimicrobial agent and an organophotocatalyst.
Tingan Zhou   +7 more
doaj   +1 more source

Construction of Multiscale Genome-Scale Metabolic Models: Frameworks and Challenges

open access: yesBiomolecules, 2022
Genome-scale metabolic models (GEMs) are effective tools for metabolic engineering and have been widely used to guide cell metabolic regulation. However, the single gene–protein-reaction data type in GEMs limits the understanding of biological complexity.
Xinyu Bi   +5 more
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

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