Results 61 to 70 of about 729,044 (285)

Pathogen‐Centric Activation of an Azoreductase‐Responsive Antibody‐Antibiotic Conjugate for the Targeted Eradication of MRSA

Advanced Science, EarlyView.
A pathogen‐centric antibody‐antibiotic conjugate (AZO‐AAC) releases antibiotics via bacterial azoreductase, independent of host‐lysosomal function. This mechanism achieves nanomolar eradication of both planktonic and intracellular methicillin‐resistant Staphylococcus aureus (MRSA).
Qi Cheng, Lianqi Liu, Chenghua Liu, Fei Xie, Jingwen Dong, Xiaoyu Qin, Shunxiang Huang, Xian Li, Xingyuan Kou, Hongbin Deng, Jiannan Feng, Wu Zhong, Dian Xiao, Xinbo Zhou   +13 more
wiley   +1 more source

Estudo de isolados clínicos de Pseudomonas aeruginosa multirresistentes e produtores de metalo-ß-lactamases [PDF]

, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Biotecnologia e Biociências, Florianópolis, 2011Nas últimas duas décadas, índices crescentes de resistência têm minado a eficácia
Guarneri, Rômulo
core  

The impact of long-distance mutations on the Ω-loop conformation in TEM type β-lactamases

, 2019
β-lactamases are hydrolytic enzymes primarily responsible for occurrence and abundance of bacteria resistant to β-lactam antibiotics. TEM type β-lactamases are formed by the parent enzyme TEM-1 and more than two hundred of its mutants.
Dmitrii Shcherbinin (6881894), Maya Rubtsova (6881897), Vitaly Grigorenko (6881900), Alexander Veselovsky (196289), Alexey Egorov (6881903)   +4 more
core   +1 more source

Chimeric β-lactamases: global conservation of parental function and fast time-scale dynamics with increased slow motions. [PDF]

PLoS ONE, 2012
Enzyme engineering has been facilitated by recombination of close homologues, followed by functional screening. In one such effort, chimeras of two class-A β-lactamases - TEM-1 and PSE-4 - were created according to structure-guided protein recombination ...
Christopher M Clouthier, Sébastien Morin, Sophie M C Gobeil, Nicolas Doucet, Jonathan Blanchet, Elisabeth Nguyen, Stéphane M Gagné, Joelle N Pelletier   +7 more
doaj   +1 more source

Impact of Prophylactic Cefepime on Surgical Site Infection and Severe Morbidity in Patients Who Underwent Pancreaticoduodenectomy With Preoperative Biliary Drainage

Annals of Gastroenterological Surgery, EarlyView.
ABSTRACT Background Although prophylactic broad‐spectrum antibiotics can reduce postoperative complications after pancreaticoduodenectomy (PD), the optimal regimen remains uncertain. This study evaluated the impact of prophylactic cefepime (CFPM) on surgical site infection (SSI) and severe morbidity after PD with preoperative biliary drainage.
Genki Watanabe, Akihiro Murata, Yu Kasamatsu, Atsushi Ishihara, Daisuke Nagashima, Tetsuzo Tashima, Shintaro Kodai, Akishige Kanazawa, Sadatoshi Shimizu   +8 more
wiley   +1 more source

Profiling interactions of vaborbactam with metallo-β-lactamases [PDF]

, 2019
β-Lactams are the most successful antibacterials, yet their use is threatened by resistance, importantly as caused by β-lactamases. β-Lactamases fall into two mechanistic groups: the serine β-lactamases that utilise a covalent acyl-enzyme mechanism and ...
Cain, Ricky, Calvopiña, K, Widlake, E, Langley, Gareth W., Langley, GW, Hinchliffe, Philip, Walsh, TR, Brem, Jürgen, Tooke, CL, Hinchliffe, P, Tyrrell, Jonathan M., Walsh, Timothy R., Tooke, Catherine L., Cain, R, Spencer, J, Brem, J, Widlake, Emma, Calvopiña, Karina, Dowson, Christopher G., Dowson, CG, Tyrrell, JM, Spencer, James, Schofield, Christopher J., Schofield, CJ, Schofield, Christopher   +24 more
core   +3 more sources

Carbapenem-Resistant Klebsiella pneumoniae in Large Public Acute-Care Healthcare System, New York, New York, USA, 2016–2022

Emerging Infectious Diseases, 2023
Controlling the spread of carbapenem-resistant Enterobacterales is a global priority. Using National Healthcare Safety Network data, we characterized the changing epidemiology of carbapenem-resistant Klebsiella pneumoniae (CRKP) in a large public health
Jennifer Lee, Subin Sunny, Elizabeth Nazarian, Mary Fornek, Marie Abdallah, Briana Episcopia, Marie-Claire Rowlinson, John Quale   +7 more
doaj   +1 more source

Functioning of a hybrid BRP-β-lactamase protein in the release of cloacin DF13 and lysis ofEscherichia colicells [PDF]

FEMS Microbiology Letters, 1989
The gene encoding a hybrid BRP-Bla protein consisting of the pCloDF13 encoded BRP signal sequence, 25 of the 28 amino acid residues of the mature bacteriocin release protein (BRP) and the mature portion of β-lactamese (Bla) was subcloned in the expression vector pEB112.
Joen Luirink, Jacques Jong, Arnold J. Putten, Frits K. Graaf, Bauke Oudega   +4 more
openaire   +1 more source

Expanding the β‐Lactamase Family in the Human Microbiome

Advanced Science
β‐lactams, the most common antibiotics globally, have resistance primarily determined by β‐lactamases. Human microbiota and β‐lactams influence mutually; however, β‐lactamase variety and abundance in the human microbiome remain partially understood. This
Baolei Jia, Ju Hye Baek, Jae Kyeong Lee, Ying Sun, Kyung Hyun Kim, Ji Young Jung, Che Ok Jeon   +6 more
doaj   +1 more source

Integrating One Health to Mitigate the Emergence and Spread of Antimicrobial Resistance in Livestock and Aquaculture

Animal Research and One Health, EarlyView.
Antimicrobial resistance (AMR) is an escalating global threat driven by antimicrobial use in aquaculture and livestock. Resistant pathogens and genes can spread across humans, animals, and the environment through interconnected ecosystems. Using a One Health approach, this review emphasizes antimicrobial stewardship, regulatory strengthening, enhanced ...
Mir Mohammad Ali, Delower Hossain, Ridwan Olamilekan Adesola, Anum Hanif, Shamsaldeen Ibrahim Saeed, Muhammad Abdul Mannan, Anoar Jamai Masroure, Kazi Estieque Alam, Md Kamal Hossain, Sabiha Zarin Tasnim Bristi, Md Jisan Ahmed   +10 more
wiley   +1 more source