Results 101 to 110 of about 143,695 (288)

Cryo‐EM Structure Guided Engineering of Botulinum Neurotoxin A With Advanced Receptor Binding Affinity and Therapeutical Benefits

Advanced Science, EarlyView.
The butterfly unfolded wing in an open form structure of botulinum neurotoxin type A (BoNT/A) at physiological‐state was confirmed at 2.85 Å resolution by cryo‐electron microscopy (cryo‐EM). Structure‐guided protein engineering significantly enhanced the receptor‐binding affinity, therapeutic efficacy, and safety of the engineered toxin variants ...
Wenrui Wang, Zhaxi Zerang, Linjin You, Ziye Liu, Rong Nie, Fuwei Qi, Fenfen Gao, Chengmu Zhao, Wantong Ma, Jinghan He, Xiaoru Wang, Shanquan Wu, Bo Liu, Xinyao Liu, Dongsheng Lei, Dejuan Zhi, Dongsheng Wang   +16 more
wiley   +1 more source

Recombinant Cystobasidium minutum Aminopeptidase DmpA Efficiently Catalyzes the Production of L-Carnosine

Shipin gongye ke-ji
This experiment investigated the ability of an aminopeptidase gene dmpA from microcyst basidiomycete MCA 4210 (Cystobasidium minutum MCA 4210) to catalyze the synthesis of L-carnosine, and constructed a genetically engineered strain to catalyze the ...
Xiaoxuan SUN, Ruijie ZHANG, Wen SUN, Lingyu CHEN, Xianfeng ZHU, Baoguo ZHANG   +5 more
doaj   +1 more source

Human gut Bacteroides capture vitamin B12 via cell surface-exposed lipoproteins. [PDF]

, 2018
Human gut Bacteroides use surface-exposed lipoproteins to bind and metabolize complex polysaccharides. Although vitamins and other nutrients are also essential for commensal fitness, much less is known about how commensal bacteria compete with each other
Barry, Natasha A, Degnan, Patrick H, Folta-Stogniew, Ewa, Goodman, Andrew L, Schofield, Whitman B, Wexler, Aaron G   +5 more
core  

Activation of formate hydrogen-lyase via expression of uptake [NiFe]-hydrogenase in Escherichia coli BL21(DE3) [PDF]

Background: Several recent studies have reported successful hydrogen (H-2) production achieved via recombinant expression of uptake [NiFe]-hydrogenases from Hydrogenovibrio marinus, Rhodobacter sphaeroides, and Escherichia coli (hydrogenase-1) in E. coli
Cha, HJ, Jo, BH
core   +1 more source

Gemella morbillorum Promotes Colorectal Carcinogenesis: LPBDCP‐Mediated Invasion Activates Ras Signaling and Destabilizes p53

Advanced Science, EarlyView.
ABSTRACT Gut microbiota dysbiosis promotes colorectal cancer (CRC) tumorigenesis. A global fecal metagenomic analysis identified Gemella morbillorum as a key contributor to the CRC‐associated microbiota. Fluorescence in situ hybridization revealed that Gemella morbillorum is enriched in CRC tumor tissues compared to adjacent normal tissues.
Zhen Wang, Jia Zhang, Haojie Lu, Jingjing Ni, Shuaishuai Yang, Yuting Shi, Shuo Zhang, Pei Zhang, Li Liu   +8 more
wiley   +1 more source

The importance of arginine codons AGA and AGG for the expression in E. coli of triosephosphate isomerase from seven different species

Biotechnology Reports, 2017
Rare arginine codons AGA and AGG affect the heterologous expression of proteins in Eschericha coli. The tRNAs necessary for protein synthesis are scarce in E. coli strain BL21(DE3) pLysS and plentiful in strain BL21(DE3) CodonPlus −RIL.
Beatriz Aguirre-López, Nallely Cabrera, Marietta Tuena de Gómez-Puyou, Ruy Perez-Montfort, Armando Gómez-Puyou   +4 more
doaj   +1 more source

Investigation of the biosynthesis of exopolysaccharides within the biofilm matrix of Pseudomonas aeruginosa and Pseudomonas syringae pv. actinidiea : a thesis presented in partial fulfilment of the requirements for degree of Doctor of Philosophy in Microbiology and Genetics at Massey University, Manawatu, New Zealand [PDF]

, 2017
Polysaccharides are highly abundant natural biopolymers, which have biologically significant structural functions in living organisms. Various polysaccharides, with specific physicochemical properties, contribute to biofilm formation; defined as cell ...
Ghods, Shirin
core  

Production and purification of constructed recombinant hirudin in BL21(DE3) strain

Journal of Biomedical Engineering and Informatics, 2017
Background/Objective: Hirudin, an extract from the leech, has powerful antithrombin activity affecting the blood coagulation pathway, it is the most potent natural inhibitor of thrombin, it binds thrombin with high affinity, so, the aim of this study was to build hirudin gene by overlapping extension PCR then cloning and expression in BL21(DE3) strain ...
Adnan I. Al-Badran, Sabaa Ali Al-Fadal
openaire   +2 more sources

Bifidobacterium Pseudolongum‐Derived Acetate Attenuates Acute Pancreatitis Through GPR43‐Mediated Suppression of M1 Macrophage Polarization

Advanced Science, EarlyView.
The severity of acute pancreatitis (AP) is linked to reduced abundance of Bifidobacterium pseudolongum (B. pseudolongum). Administration of B. pseudolongum or its key metabolite acetate alleviates pancreatic and systemic inflammation by suppressing M1 macrophage polarization.
Langyi Guan, Xueyang Li, Cong He, Pan Zheng, Yaoyu Zou, Qi Zhu, Xin Li, Jie Liang, Junmin Yang, Li Zhang, Yuman Ye, Jianhua Wan, Huajing Ke, Jianping Liu, Nonghua Lu, Nianshuang Li, Yin Zhu   +16 more
wiley   +1 more source

High Expression Achievement of Active and Robust Anti-β2 microglobulin Nanobodies via E.coli Hosts Selection

Molecules, 2019
Nanobodies (VHHs) overcome many of the drawbacks of conventional antibodies, and the related technologies represent state-of-the-art and advanced applications in scientific research, pharmaceuticals, and therapies.
Da Li, Fangling Ji, Chundong Huang, Lingyun Jia   +3 more
doaj   +1 more source