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Design an Energy-Conserving Pathway for Efficient Biosynthesis of 1,5-Pentanediol and 5-Amino-1-Pentanol.
Biotechnol Bioeng
October 2024
State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.
1,5-Pentanediol (1,5-PDO) is an important five-carbon alcohol, widely used in polymer and pharmaceutical industries. Considering the substantial energy (ATP and NADPH) requirements of previous pathways, an energy-conserving artificial pathway with a higher theoretical yield (0.75 mol/mol glucose) was designed and constructed in this study.
View Article and Find Full Text PDFPseudomonas fragi and Pseudomonas lundensis drove the co-spoilage in chilled pork: Insights from the metabolome.
Food Chem
February 2025
State Key Laboratory of Meat Quality Control and Cultured Meat Development, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, 210095 Nanjing, Jiangsu, PR China. Electronic address:
Pseudomonas fragi and Pseudomonas lundensis are key spoilage microorganisms in aerobically stored chilled meat, which had co-spoilage effect on chilled pork. However, the mechanism of co-spoilage interaction of P. fragi and P.
View Article and Find Full Text PDFProtonation constants of endo- and exogenous L-amino acids and their derivatives in aqueous and mixed solution: Unraveling molecular secrets.
Q Rev Biophys
October 2024
Department of Physical and Biocoordination Chemistry, Medical University of Lodz, Lodz, Poland.
The aim of this review is to summarize the progress made in the determination of the protonation constants of biologically active ligands: endo- and exogenous L-amino acids and their derivatives in aqueous and mixed solutions using different experimental techniques. The knowledge of the protonation constants of the aforementioned ligands is crucial for the determination of the equilibrium constants of complex formation and thus for the understanding of complex biological reactions such as transamination, racemization, and decarboxylation. Thus, the protonation constants of ligands are a measure of their ability to form complexes with metal ions.
View Article and Find Full Text PDF[Recent advances in pyridoxal phosphate-dependent enzymes and their applications].
Sheng Wu Gong Cheng Xue Bao
September 2024
Key Laboratory of Bioorganic Synthesis of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China.
Article Synopsis
- Pyridoxal phosphate (PLP) is the active form of vitamin B6 and acts as a crucial coenzyme for several enzymes involved in key chemical reactions like racemization and transamination.
- The article explores the structure and function of specific PLP-dependent enzymes, such as ω-transaminase and lysine decarboxylase, highlighting their roles in biosynthesis and applications.
- It also discusses advancements in enzyme modification for industrial use, the potential for future developments including regeneration systems, and the promising biocatalytic applications of PLP-dependent enzymes.
Dimethylsulfoniopropionate (DMSP): From Biochemistry to Global Ecological Significance.
Annu Rev Microbiol
November 2024
State Key Laboratory of Microbial Technology, Marine Biotechnology Research Center, Shandong University, Qingdao, China;
Article Synopsis
- DMSP is a key organosulfur compound found abundantly in nature, playing essential roles in stress tolerance, carbon and sulfur cycling, and climate-related gas production.
- * Marine organisms, both prokaryotic and eukaryotic, can produce and metabolize DMSP through multiple biochemical pathways, involving various enzymes that showcase the diversity of DMSP cycling.
- * Recent advancements in biochemistry and structural biology have enhanced our understanding of the enzymes involved in DMSP synthesis and metabolism, revealing important insights and ongoing challenges that require further research.
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