S. Ohya

发表

Purification and Some Properties of β‐Lactamases from Proteus rettgeri and Proteus inconstans

Y. Fujii‐Kuriyama, M. Yamamoto, S. Ohya, 1980, Microbiology and immunology.

Against Helicobacter pylori composition containing 1-methylcarbapenem derivatives as active ingredient.

I. Kawamoto, S. Ohya, Y. Utsui, 1997 .

Penicillin-binding proteins in Proteus species

M. Matsuhashi, S. Ohya, S. Sugawara, 1979, Journal of bacteriology.

Antibacterial activity of cefmetazole alone and in combination with fosfomycin against methicillin- and cephem-resistant Staphylococcus aureus

T. Yokota, S. Ohya, M. Tajima, 1986, Antimicrobial Agents and Chemotherapy.

Penem Derivatives: 3-Lactamase Stability and Affinity for Penicillin-Binding Proteins in Escherichia coli

Yukio, S. Ohya, S. Sugawara, 2003 .

Penem derivatives: beta-lactamase stability and affinity for penicillin-binding proteins in Escherichia coli

S. Ohya, S. Sugawara, Y. Utsui, 1982, Antimicrobial Agents and Chemotherapy.

New Cephamycin Antibiotic, CS-1170: Binding Affinity to Penicillin-Binding Proteins and Inhibition of Peptidoglycan Cross-Linking Reactions in Escherichia coli

S. Tamaki, M. Matsuhashi, M. Yamazaki, 1978, Antimicrobial Agents and Chemotherapy.

Efficacy of CS-834 against Experimental Pneumonia Caused by Penicillin-Susceptible and -Resistant Streptococcus pneumoniae in Mice

S. Ohya, H. Yasuda, T. Koga, 1998, Antimicrobial Agents and Chemotherapy.

In vitro and in vivo antibacterial activities of CS-834, a novel oral carbapenem

N. Masuda, A. Hirasawa, S. Ohya, 1997, Antimicrobial agents and chemotherapy.

Activity of the carbapenem panipenem and role of the OprD (D2) protein in its diffusion through the Pseudomonas aeruginosa outer membrane

H. Nikaido, N. Masuda, J. Trias, 1993, Antimicrobial Agents and Chemotherapy.

Increase in susceptibility of Pseudomonas aeruginosa to carbapenem antibiotics in low-amino-acid media

N. Masuda, S. Ohya, T. Takenouchi, 1991, Antimicrobial Agents and Chemotherapy.

Hypersusceptibility of the Pseudomonas aeruginosa nfxB Mutant to β-Lactams Due to Reduced Expression of the AmpC β-Lactamase

N. Masuda, T. Nishino, N. Gotoh, 2001, Antimicrobial Agents and Chemotherapy.

Hypersusceptibility of the Pseudomonas aeruginosa nfxB mutant to beta-lactams due to reduced expression of the ampC beta-lactamase.

N. Masuda, T. Nishino, N. Gotoh, 2001, Antimicrobial agents and chemotherapy.

Contribution of the MexX-MexY-OprM Efflux System to Intrinsic Resistance in Pseudomonas aeruginosa

N. Masuda, T. Nishino, N. Gotoh, 2000, Antimicrobial Agents and Chemotherapy.

Quantitative correlation between susceptibility and OprJ production in NfxB mutants of Pseudomonas aeruginosa

N. Masuda, T. Nishino, N. Gotoh, 1996, Antimicrobial agents and chemotherapy.

Outer membrane proteins responsible for multiple drug resistance in Pseudomonas aeruginosa

N. Masuda, S. Ohya, E. Sakagawa, 1995, Antimicrobial agents and chemotherapy.

The Contributions of Reactive Oxygen Intermediates and Reactive Nitrogen Intermediates to Listericidal Mechanisms Differ in Macrophages Activated Pre- and Postinfection

H. Xiong, M. Mitsuyama, S. Ohya, 1998, Infection and Immunity.

Cross-resistance to meropenem, cephems, and quinolones in Pseudomonas aeruginosa

N. Masuda, S. Ohya, 1992, Antimicrobial Agents and Chemotherapy.

A novel phospholipase C inhibitor, S-PLI produced by Streptomyces sp. strain no. A-6288.

S. Shoji, T. Siddique, M. Uyeda, 1996, Journal of enzyme inhibition.

In Vitro and In Vivo Activities of CS-758 (R-120758), a New Triazole Antifungal Agent

H. Yamaguchi, K. Uchida, S. Ohya, 2002, Antimicrobial Agents and Chemotherapy.

Release of lipoteichoic acid from Staphylococcus aureus by treatment with cefmetazole and other beta-lactam antibiotics.

H. Suginaka, S. Ohya, S. Sugawara, 1983, The Journal of antibiotics.

[Issues in the development of drugs for treating deep-seated mycosis].

H. Yamaguchi, K. Takesako, K. Uchida, 2002, Nihon Ishinkin Gakkai zasshi = Japanese journal of medical mycology.

Hydrophilicity of quinolones is not an exclusive factor for decreased activity in efflux-mediated resistant mutants of Staphylococcus aureus

H. Hanzawa, H. Hanzawa, Y. Iwata, 1996, Antimicrobial agents and chemotherapy.

In Vitro and In Vivo Antibacterial Activities of CS-023 (RO4908463), a Novel Parenteral Carbapenem

N. Masuda, T. Hirota, S. Ohya, 2005, Antimicrobial Agents and Chemotherapy.

Synthesis and biological evaluation of novel tricyclic carbapenems (trinems).

I. Kawamoto, S. Ohya, O. Kanno, 2000, The Journal of antibiotics.

Synthesis and antifungal activities of R-102557 and related dioxane-triazole derivatives.

Teruo Tanaka, H. Yasuda, Y. Nakamura, 2000, Chemical & pharmaceutical bulletin.

Synthesis and structure-activity relationships of novel parenteral carbapenems, CS-023 (R-115685) and related compounds containing an amidine moiety.

I. Kawamoto, S. Ohya, K. Kojima, 2003, The Journal of antibiotics.

Synthesis and antibacterial activity of novel 1beta-methyl carbapenems with cycloalkylamine moiety at the C-2 position.

I. Kawamoto, R. Endo, S. Ohya, 2001, The Journal of antibiotics.

Synthesis and biological evaluation of new oral carbapenems with 1-methyl-5-oxopyrrolidin-3-ylthio moiety.

I. Kawamoto, S. Ohya, T. Shibayama, 1999, The Journal of antibiotics.

Synthesis and in vitro antifungal activities of novel triazole antifungal agent CS-758.

H. Yasuda, Y. Nakamura, T. Uchida, 2001, Chemical & pharmaceutical bulletin.

Substrate Specificities of MexAB-OprM, MexCD-OprJ, and MexXY-OprM Efflux Pumps in Pseudomonas aeruginosa

N. Masuda, T. Nishino, N. Gotoh, 2000, Antimicrobial Agents and Chemotherapy.

Interplay between chromosomal beta-lactamase and the MexAB-OprM efflux system in intrinsic resistance to beta-lactams in Pseudomonas aeruginosa.

N. Masuda, T. Nishino, N. Gotoh, 1999, Antimicrobial Agents and Chemotherapy.

Interplay between Chromosomal β-Lactamase and the MexAB-OprM Efflux System in Intrinsic Resistance to β-Lactams inPseudomonas aeruginosa

N. Masuda, T. Nishino, N. Gotoh, 1999, Antimicrobial Agents and Chemotherapy.

Aspects of point interaction

S. Ohya, 2010 .

[Combination effect between panipenem and vancomycin on highly methicillin-resistant Staphylococcus aureus].

A. Hirasawa, S. Ohya, H. Yasuda, 1997, The Japanese journal of antibiotics.

Naomasa Pseudomonas aeruginosa Pumps in MexCD-OprJ , and MexXY-OprM Efflux Substrate Specificities of MexAB-OprM

N. Masuda, T. Nishino, N. Gotoh, 2000 .

β-Lactamase produced by a highly β-lactam-resistant strain of Barteroides fragilis: an obstacle to the chemotherapy of experimental mixed infections

Kunitomo Watanabe, K. Ueno, S. Ohya, 1991 .

Incidence of various gyrA mutants in 451 Staphylococcus aureus strains isolated in Japan and their susceptibilities to 10 fluoroquinolones

Y. Tokue, S. Ohya, T. Takenouchi, 1995, Antimicrobial agents and chemotherapy.

Potent cephalosporinase inhibitors: 7 beta-[2-(1, 3-dithiolan-2-ylidene) acetamido] cephalosporins and related compounds

S. Ohya, M. Yamazaki, T. Miyadera, 1982, Antimicrobial Agents and Chemotherapy.

Purification and Properties of β‐Lactamase from Proteus vulgaris

S. Ohya, S. Sugawara, M. Tajima, 1982 .

Synthesis and antimycobacterial activity of capuramycin analogues. Part 2: acylated derivatives of capuramycin-related compounds.

Yasunori Muramatsu, T. Takatsu, S. Miyakoshi, 2003, Bioorganic & medicinal chemistry letters.

Synthesis and antimycobacterial activity of capuramycin analogues. Part 1: substitution of the azepan-2-one moiety of capuramycin.

Yasunori Muramatsu, T. Takatsu, S. Miyakoshi, 2003, Bioorganic & medicinal chemistry letters.

Inhibitory activity to protein prenylation and antifungal activity of zaragozic acid D3, a potent inhibitor of squalene synthase produced by the fungus, Mollisia sp. SANK 10294.

Y. Tsujita, S. Ohya, T. Tanimoto, 1998, The Journal of antibiotics.