Biotechnology for Biofuels and Bioproducts
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Metabolic engineering of Escherichia coli for direct production of vitamin C from D-glucose
Biotechnology for Biofuels and Bioproducts - Tập 15 - Trang 1-13 - 2022
Production of vitamin C has been traditionally based on the Reichstein process and the two-step process. However, the two processes share a common disadvantage: vitamin C cannot be directly synthesized from D-glucose. Therefore, significant effort has been made to develop a one-step vitamin C fermentation process. While, 2-KLG, not vitamin C, is synthesized from nearly all current one-step ferment......
Lignin bioconversion based on genome mining for ligninolytic genes in Erwinia billingiae QL-Z3
Biotechnology for Biofuels and Bioproducts - Tập 17 - Trang 1-18 - 2024
Bioconversion of plant biomass into biofuels and bio-products produces large amounts of lignin. The aromatic biopolymers need to be degraded before being converted into value-added bio-products. Microbes can be environment-friendly and efficiently degrade lignin. Compared to fungi, bacteria have some advantages in lignin degradation, including broad tolerance to pH, temperature, and oxygen and the......
Tích hợp các thuộc tính và điều kiện để dự đoán hiệu suất phun của nhiên liệu hàng không thay thế bằng mô hình ANN Dịch bởi AI
Biotechnology for Biofuels and Bioproducts - Tập 16 - Trang 1-15 - 2023
Nhiên liệu hàng không thay thế đã được xác nhận có lợi ích trong việc giảm khí nhà kính (GHGs) và tiết kiệm năng lượng. Việc sử dụng nhiên liệu thay thế cần phải đáp ứng yêu cầu về nhiên liệu có thể thay thế trực tiếp, và một trong những yếu tố quan trọng để đảm bảo độ hoàn thiện trong quá trình đốt là đạt được yêu cầu phun trong toàn bộ môi trường bay. Nhiên liệu thay thế có những đặc trưng khác ......
#nhiên liệu hàng không thay thế #hiệu suất phun #mạng nơ-ron nhân tạo #nhiệt độ thấp #nhiên liệu phản ứng Fischer Tropsch
Engineering sigma factors and chaperones for enhanced heterologous lipoxygenase production in Escherichia coli
Biotechnology for Biofuels and Bioproducts - Tập 15 - Trang 1-12 - 2022
Lipoxygenase (EC. 1.13.11.12, LOX) can catalyze the addition of oxygen into polyunsaturated fatty acids to produce hydroperoxides, which are widely used in the food, chemical, and pharmaceutical industries. In recent years, the heterologous production of LOX by Escherichia coli has attracted extensive attention. However, overexpressed recombinant LOX in E. coli aggregates and forms insoluble inclu......
Biochemical and structural characterisation of a family GH5 cellulase from endosymbiont of shipworm P. megotara
Biotechnology for Biofuels and Bioproducts - Tập 16 - Trang 1-15 - 2023
Cellulases play a key role in the enzymatic conversion of plant cell-wall polysaccharides into simple and economically relevant sugars. Thus, the discovery of novel cellulases from exotic biological niches is of great interest as they may present properties that are valuable in the biorefining of lignocellulosic biomass. We have characterized a glycoside hydrolase 5 (GH5) domain of a bi-catalytic ......
A review on lignin pyrolysis: pyrolytic behavior, mechanism, and relevant upgrading for improving process efficiency
Biotechnology for Biofuels and Bioproducts - Tập 15 - Trang 1-43 - 2022
Lignin is a promising alternative to traditional fossil resources for producing biofuels due to its aromaticity and renewability. Pyrolysis is an efficient technology to convert lignin to valuable chemicals, which is beneficial for improving lignin valorization. In this review, pyrolytic behaviors of various lignin were included, as well as the pyrolytic mechanism consisting of initial, primary, a......
Overexpression of PtoMYB115 improves lignocellulose recalcitrance to enhance biomass digestibility and bioethanol yield by specifically regulating lignin biosynthesis in transgenic poplar
Biotechnology for Biofuels and Bioproducts - Tập 15 - Trang 1-14 - 2022
Woody plants provide the most abundant biomass resource that is convertible for biofuels. Since lignin is a crucial recalcitrant factor against lignocellulose hydrolysis, genetic engineering of lignin biosynthesis is considered as a promising solution. Many MYB transcription factors have been identified to involve in the regulation of cell wall formation or phenylpropanoid pathway. In a previous s......
The arabinose transporter MtLat-1 is involved in hemicellulase repression as a pentose transceptor in Myceliophthora thermophila
Biotechnology for Biofuels and Bioproducts - Tập 16 - Trang 1-16 - 2023
Filamentous fungi possess an array of secreted enzymes to depolymerize the structural polysaccharide components of plant biomass. Sugar transporters play an essential role in nutrient uptake and sensing of extracellular signal molecules to inhibit or trigger the induction of lignocellulolytic enzymes. However, the identities and functions of transceptors associated with the induction of hemicellul......
A novel sucrose-inducible expression system and its application for production of biomass-degrading enzymes in Aspergillus niger
Biotechnology for Biofuels and Bioproducts - Tập 16 - Trang 1-20 - 2023
Filamentous fungi are extensively exploited as important enzyme producers due to the superior secretory capability. However, the complexity of their secretomes greatly impairs the titer and purity of heterologous enzymes. Meanwhile, high-efficient evaluation and production of bulk enzymes, such as biomass-degrading enzymes, necessitate constructing powerful expression systems for bio-refinery appl......
Engineering Escherichia coli for high-yielding 2,5-Dimethylpyrazine synthesis from L-Threonine by reconstructing metabolic pathways and enhancing cofactors regenerationAbstract 2,5-Dimethylpyrazine (2,5-DMP) is important pharmaceutical raw material and food flavoring agent. Recently, engineering microbes to produce 2,5-DMP has become an attractive alternative to chemical synthesis approach. In this study, metabolic engineering strategies were used to optimize the modified Escherichia coli BL21 (DE3) stra... ...
Biotechnology for Biofuels and Bioproducts -
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