Výsledky vyhledávání - "E Y Rosenberg"

Gyrase mutations in laboratory-selected, fluoroquinolone-resistant mutants of Mycobacterium tuberculosis H37Ra

Autor: H Nikaido, Tanıl Kocagöz, I Unsal, Henry F. Chambers, C J Hackbarth, E Y Rosenberg

Publikováno v: Antimicrobial Agents and Chemotherapy. 40:1768-1774

To characterize mechanisms of resistance to fluoroquinolones by Mycobacterium tuberculosis, mutants of strain H37Ra were selected in vitro with ofloxacin. Their quinolone resistance-determining regions for gyrA and gyrB were amplified and sequenced t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66188a45aad6ca414eebdb73280cbe0a
https://doi.org/10.1128/aac.40.8.1768

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Can penicillins and other beta-lactam antibiotics be used to treat tuberculosis?

Autor: Sesin Kocagöz, D Moreau, E Y Rosenberg, C Miick, D Yajko, C J Hackbarth, H Nikaido, W. K. Hadley, Henry F. Chambers, C Wagner

An increase in the number of tuberculosis cases caused by multiple-drug-resistant strains of Mycobacterium tuberculosis has stimulated search for new antituberculous agents. Beta-lactam antibiotics, traditionally regarded as ineffective against tuber

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d53e626c10ac0a0f6a4aaf1c4bcecea4
https://europepmc.org/articles/PMC163000/

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Outer membrane permeability and beta-lactamase stability of dipolar ionic cephalosporins containing methoxyimino substituents

Autor: Wei Liu, E. Y. Rosenberg, Hiroshi Nikaido

Publikováno v: Antimicrobial agents and chemotherapy. 34(2)

Some enteric bacteria, such as Enterobacter cloacae, can develop high-level resistance to broad-spectrum cephalosporins by overproducing their chromosomally encoded type I beta-lactamases. This is because these agents are hydrolyzed rapidly at pharma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90f3b0e0ac7c1596093571d7b613d335
https://pubmed.ncbi.nlm.nih.gov/2109581

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Porins of Brucella species

Autor: E Y Rosenberg, J T Douglas, Hiroshi Nikaido, A J Winter, D R Verstreate

Publikováno v: Infection and Immunity. 44:16-21

The outer membrane of Brucella species contains two major proteins, denoted as group 2 and group 3 proteins (Verstreate et al., Infect. Immun. 35:979-989, 1982). We reconstituted proteoliposomes from the purified proteins and egg phosphatidylcholine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79b6574a56f07179164daee74ec3e92f
https://doi.org/10.1128/iai.44.1.16-21.1984

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Porin channels in Escherichia coli: studies with liposomes reconstituted from purified proteins

Autor: Hiroshi Nikaido, E Y Rosenberg

Publikováno v: Journal of bacteriology. 153(1)

Rates of diffusion of uncharged and charged solute molecules through porin channels were determined by using liposomes reconstituted from egg phosphatidylcholine and purified Escherichia coli porins OmpF (protein 1a), OmpC (protein 1b), and PhoE (pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3417c11341cf9cf65d2cdee5f64866bd
https://pubmed.ncbi.nlm.nih.gov/6294049

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Porin channels in Escherichia coli: studies with beta-lactams in intact cells

Autor: Hiroshi Nikaido, E Y Rosenberg, J Foulds

Wild-type Escherichia coli K-12 produces two porins, OmpF (protein 1a) and OmpC (protein 1b). In mutants deficient in both of these "normal" porins, secondary mutants that produce a "new" porin, protein PhoE (protein E), are selected for. We determin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::382bac834df87c4c3902383e8970fcde
https://europepmc.org/articles/PMC217361/

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