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S. Okamoto · SciRah

Researcher profile · Semantic Scholar

S. Okamoto

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S. Okamoto — researcher profile on SciRah

h-index: 26
Works: 72
Citations: 2,954

Most-cited papers

Loss of a conserved 7‐methylguanosine modification in 16S rRNA confers low‐level streptomycin resistance in bacteria
S. Okamoto, A. Tamaru, C. Nakajima, K. Nishimura +4 more
2007Molecular Microbiology304 citations Open access
Semantic Scholar
Induction of actinorhodin production by rpsL (encoding ribosomal protein S12) mutations that confer streptomycin resistance in Streptomyces lividans and Streptomyces coelicolor A3(2)
J. Shima, A. Hesketh, S. Okamoto, S. Kawamoto +1 more
1996Journal of Bacteriology242 citations Open access
Semantic Scholar
The Cell Surface Receptor SLAM Controls T Cell and Macrophage Functions
Ning-Hai Wang, A. Satoskar, W. Faubion, D. Howie +7 more
2004Journal of Experimental Medicine209 citations Open access
Semantic Scholar
Bacilysocin, a Novel Phospholipid Antibiotic Produced by Bacillus subtilis 168
N. Tamehiro, Y. Okamoto-Hosoya, S. Okamoto, M. Ubukata +3 more
2002Antimicrobial Agents and Chemotherapy162 citations Open access
Semantic Scholar
Virginiae Butanolide Binding Protein from Streptomyces virginiae
S. Okamoto, Kenjid . Nakamura, T. Nihira, Yasuhiro Yamada
1995Journal of Biological Chemistry148 citations Open access
Semantic Scholar
Ribosome engineering and secondary metabolite production.
K. Ochi, S. Okamoto, Y. Tozawa, Takashi Inaoka +3 more
2004Advances in Applied Microbiology144 citations
Semantic Scholar
Enhanced Expression of S-Adenosylmethionine Synthetase Causes Overproduction of Actinorhodin in Streptomyces coelicolor A3(2)
S. Okamoto, A. Lezhava, T. Hosaka, Y. Okamoto-Hosoya +1 more
2003Journal of Bacteriology140 citations Open access
Semantic Scholar
An essential GTP‐binding protein functions as a regulator for differentiation in Streptomyces coelicolor
S. Okamoto, K. Ochi
1998Molecular Microbiology121 citations Open access
Semantic Scholar
Acquisition of Certain Streptomycin-Resistant (str) Mutations Enhances Antibiotic Production in Bacteria
Y. Hosoya, S. Okamoto, H. Muramatsu, K. Ochi
1998Antimicrobial Agents and Chemotherapy118 citations Open access
Semantic Scholar
The rare earth, scandium, causes antibiotic overproduction in Streptomyces spp.
K. Kawai, Guo-Jun Wang, S. Okamoto, K. Ochi
2007FEMS Microbiology Letters114 citations
Semantic Scholar
Mutations in rsmG, Encoding a 16S rRNA Methyltransferase, Result in Low-Level Streptomycin Resistance and Antibiotic Overproduction in Streptomyces coelicolor A3(2)
K. Nishimura, T. Hosaka, S. Tokuyama, S. Okamoto +1 more
2007Journal of Bacteriology109 citations Open access
Semantic Scholar
Butyrolactone autoregulator receptor protein (BarA) as a transcriptional regulator in Streptomyces virginiae
H. Kinoshita, Hiroomi Ipposhi, S. Okamoto, H. Nakano +2 more
1997Journal of Bacteriology105 citations Open access
Semantic Scholar
Antibiotic Overproduction by rpsL and rsmG Mutants of Various Actinomycetes
Yukinori Tanaka, M. Komatsu, S. Okamoto, S. Tokuyama +3 more
2009Applied and Environmental Microbiology86 citations Open access
Semantic Scholar
Biosynthesis of actinorhodin and related antibiotics: discovery of alternative routes for quinone formation encoded in the act gene cluster.
S. Okamoto, T. Taguchi, K. Ochi, K. Ichinose
2009Chemistry and Biology84 citations Open access
Semantic Scholar
Molecular cloning and characterization of the obg gene of Streptomyces griseus in relation to the onset of morphological differentiation
S. Okamoto, Masayoshi Itoh, Kozo Ochi
1997Journal of Bacteriology55 citations Open access
Semantic Scholar
Activation of Dormant Bacterial Genes by Nonomuraea sp. Strain ATCC 39727 Mutant-Type RNA Polymerase
A. Talà, Guo-Jun Wang, M. Zemanová, S. Okamoto +2 more
2008Journal of Bacteriology53 citations Open access
Semantic Scholar
Identification of the RsmG Methyltransferase Target as 16S rRNA Nucleotide G527 and Characterization of Bacillus subtilis rsmG Mutants
K. Nishimura, Shanna K. Johansen, Takashi Inaoka, T. Hosaka +6 more
2007Journal of Bacteriology50 citations Open access
Semantic Scholar
Biosynthetic conclusions from the functional dissection of oxygenases for biosynthesis of actinorhodin and related Streptomyces antibiotics.
T. Taguchi, M. Yabe, Hitomi Odaki, M. Shinozaki +4 more
2013Chemistry and Biology48 citations Open access
Semantic Scholar
Development of Antibiotic-Overproducing Strains by Site-Directed Mutagenesis of the rpsL Gene in Streptomyces lividans
Y. Okamoto-Hosoya, S. Okamoto, K. Ochi
2003Applied and Environmental Microbiology45 citations Open access
Semantic Scholar
Effects of aflastatin A, an inhibitor of aflatoxin production, on aflatoxin biosynthetic pathway and glucose metabolism in Aspergillus parasiticus.
T. Kondo, M. Sakurada, S. Okamoto, M. Ono +4 more
2001Journal of antibiotics (Tokyo. 1968)45 citations Open access
Semantic Scholar
Expression Profiling of Translation-associated Genes in Sporulating Bacillus subtilis and Consequence of Sporulation by Gene Inactivation
Y. Ohashi, Takashi Inaoka, K. Kasai, Yasuhiro Ito +5 more
2003Bioscience, biotechnology and biochemistry44 citations Open access
Semantic Scholar
EshA Accentuates ppGpp Accumulation and Is Conditionally Required for Antibiotic Production in Streptomyces coelicolor A3(2)
N. Saito, Jun Xu, T. Hosaka, S. Okamoto +3 more
2006Journal of Bacteriology35 citations
Semantic Scholar
Identification of the actinorhodin monomer and its related compound from a deletion mutant of the actVA-ORF4 gene of Streptomyces coelicolor A3(2).
T. Taguchi, T. Ebihara, A. Furukawa, Y. Hidaka +3 more
2012Bioorganic & Medicinal Chemistry Letters34 citations
Semantic Scholar
Biosynthesis of pyranonaphthoquinone polyketides reveals diverse strategies for enzymatic carbon-carbon bond formation.
M. Metsä-Ketelä, Terhi Oja, T. Taguchi, S. Okamoto +1 more
2013Current Opinion in Chemical Biology32 citations
Semantic Scholar
Inactivation of KsgA, a 16S rRNA Methyltransferase, Causes Vigorous Emergence of Mutants with High-Level Kasugamycin Resistance
K. Ochi, Ji-Yun Kim, Yukinori Tanaka, Guo-Jun Wang +6 more
2008Antimicrobial Agents and Chemotherapy32 citations Open access
Semantic Scholar
A Novel Insertion Mutation in Streptomyces coelicolor Ribosomal S12 Protein Results in Paromomycin Resistance and Antibiotic Overproduction
Guo-Jun Wang, Takashi Inaoka, S. Okamoto, K. Ochi
2008Antimicrobial Agents and Chemotherapy30 citations Open access
Semantic Scholar
T Cell-specific Expression of the MurineCD3δ Promoter*
H. Ji, Anita Gupta, S. Okamoto, M. Blum +5 more
2002Journal of Biological Chemistry26 citations Open access
Semantic Scholar
Expression of the SH2D1A gene is regulated by a combination of transcriptional and post‐transcriptional mechanisms
S. Okamoto, H. Ji, D. Howie, K. Clarke +4 more
2004European Journal of Immunology20 citations
Semantic Scholar
Selective abortion of two nonsister nuclei in a developing ascus of the hfd-1 mutant in Saccharomyces cerevisiae.
S. Okamoto, T. Iino
1981Genetics20 citations
Semantic Scholar
Effect of S-Adenosylmethionine on Antibiotic Production in Streptomyces griseus and Streptomyces griseoflavus
N. Saito, K. Kurosawa, Jun Xu, S. Okamoto +1 more
200319 citations Open access
Semantic Scholar
Inhibitory effect of aflastatin A on melanin biosynthesis by Colletotrichum lagenarium.
S. Okamoto, M. Sakurada, Yasuyuki Kubo, G. Tsuji +5 more
2001Microbiology18 citations Open access
Semantic Scholar
Epoxyquinone Formation Catalyzed by a Two‐Component Flavin‐Dependent Monooxygenase Involved in Biosynthesis of the Antibiotic Actinorhodin
T. Taguchi, S. Okamoto, K. Hasegawa, K. Ichinose
2011ChemBioChem17 citations
Semantic Scholar
T cell-specific expression of the murine CD3delta promoter.
H. Ji, Anita Gupta, S. Okamoto, M. Blum +5 more
2002Journal of Biological Chemistry17 citations
Semantic Scholar
A magic bullet for antibiotic discovery.
K. Ochi, S. Okamoto
2012Chemistry and Biology14 citations Open access
Semantic Scholar
Unveiling Two Consecutive Hydroxylations: Mechanisms of Aromatic Hydroxylations Catalyzed by Flavin‐Dependent Monooxygenases for the Biosynthesis of Actinorhodin and Related Antibiotics
Makoto Hashimoto, T. Taguchi, Kazuki Ishikawa, R. Mori +6 more
2019ChemBioChem13 citations
Semantic Scholar
Extensive amplification of GI-VII-6, a multidrug resistance genomic island of Salmonella enterica serovar Typhimurium, increases resistance to extended-spectrum cephalosporins
Ken-ichi Lee, M. Kusumoto, T. Sekizuka, M. Kuroda +6 more
2015Frontiers in Microbiology13 citations Open access
Semantic Scholar
Actinorhodin Biosynthesis Terminates with an Unprecedented Biaryl Coupling Reaction
Makoto Hashimoto, Susumu Watari, T. Taguchi, Kazuki Ishikawa +3 more
2022Angewandte Chemie12 citations Open access
Semantic Scholar
Possible involvement of ActVI-ORFA in transcriptional regulation of actVI tailoring-step genes for actinorhodin biosynthesis.
T. Taguchi, S. Okamoto, A. Lezhava, Ai-Ying Li +3 more
2007FEMS Microbiology Letters12 citations Open access
Semantic Scholar
Isolation and Identification of Novel ADP-Ribosylated Proteins from Streptomyces coelicolor A3(2)
K. Sugawara, N. Dohmae, K. Kasai, H. Saido-Sakanaka +3 more
2002Bioscience, biotechnology and biochemistry12 citations
Semantic Scholar
Gene organization in the ada-rplL region of Streptomyces virginiae.
Midori Katayama, Yumi Sakai, S. Okamoto, Fumio Ihara +2 more
1996Gene12 citations
Semantic Scholar
Allosamidin, a chitinase inhibitor produced by Streptomyces, acts as an inducer of chitinase production in its producing strain
E. Nakanishi, S. Okamoto, H. Matsuura, H. Nagasawa +1 more
200111 citations Open access
Semantic Scholar
Heterologous expression of a plant RelA-SpoT homologue results in increased stress tolerance in Saccharomyces cerevisiae by accumulation of the bacterial alarmone ppGpp.
K. Ochi, T. Nishizawa, Takashi Inaoka, Akiyo Yamada +4 more
2012Microbiology10 citations Open access
Semantic Scholar
Isolation of abikoviromycin and dihydroabikoviromycin as inhibitors of polyketide synthase involved in melanin biosynthesis by Colletotrichum lagenarium.
H. Maruyama, S. Okamoto, Y. Kubo, G. Tsuji +6 more
2003Journal of antibiotics (Tokyo. 1968)10 citations Open access
Semantic Scholar
Characterization of Various Streptomyces griseus Strains as to Aerial Mycelium- and Submerged Spore-Formation
K. Ochi, Y. Inatsu, S. Okamoto, A. Penyige +2 more
199410 citations Open access
Semantic Scholar
Cloning and physical characterization of linked lysine genes (LYS4, LYS15) of Saccharomyces cerevisiae
Li Wang, S. Okamoto, J. K. Bhattacharjee
1989Current Genetics10 citations
Semantic Scholar
Genetic block of outer plaque morphogenesis at the second meiotic division in an hfd1-1 mutant of Saccharomyces cerevisiae.
S. Okamoto, T. Iino
1982Journal of General Microbiology10 citations Open access
Semantic Scholar
Analysis of free radical production capacity in mouse faeces and its possible application in evaluating the intestinal environment: a pilot study
Yoshihisa Wakita, A. Saiki, H. Kaneda, Shuichi Segawa +3 more
2019Scientific Reports8 citations Open access
Semantic Scholar
Structure and biosynthetic implication of 5R-(N-acetyl-L-cysteinyl)-14S-hydroxy-dihydrokalafungin from a mutant of the actVA-ORF4 gene for actinorhodin biosynthesis in Streptomyces coelicolor A3(2)
T. Taguchi, Tomoki Maruyama, R. Sawa, M. Igarashi +2 more
2015Journal of antibiotics (Tokyo. 1968)8 citations
Semantic Scholar
Actinoperylone, a novel perylenequinone-type shunt product, from a deletion mutant of the actVA-ORF5 and ORF6 genes for actinorhodin biosynthesis in Streptomyces coelicolor A3(2)
T. Taguchi, S. Okamoto, T. Itoh, Y. Ebizuka +2 more
20088 citations
Semantic Scholar
Distribution in the genus Streptomyces of a homolog to nusG, a gene encoding a transcriptional antiterminator.
Chunya Puttikhunt, S. Okamoto, Takahashi Nakamura, Takuya Nihira +1 more
1993FEMS Microbiology Letters8 citations Open access
Semantic Scholar

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K. Ochi — researcher profile on SciRah
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K. Ichinose×10
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K. Nishimura×3

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K. Nishimura — researcher profile on SciRah

Yukinori Tanaka×3

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Yukinori Tanaka — researcher profile on SciRah

Y. Okamoto-Hosoya×3

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Y. Okamoto-Hosoya — researcher profile on SciRah