Ryo Okumura
Overview
Explore the profile of Ryo Okumura including associated specialties, affiliations and a list of published articles.
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Articles
22
Citations
173
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Recent Articles
1.
Sasaki K, Takeshima Y, Fujino A, Yamashita J, Kimoto A, Sasaki D, et al.
Environ Microbiol Rep
. 2024 Mar;
16(2):e13243.
PMID: 38425145
We developed a simulation model of human oral microbiota using Bio Palette oral medium (BPOM) containing 0.02% glucose and lower bacterial nitrogen sources, derived from saliva and dental plaque. By...
2.
Okumura R, Aoyama T, Oikawa J, Tamura T, Sai S
Pediatr Int
. 2022 Jul;
64(1):e15243.
PMID: 35859257
No abstract available.
3.
Kuo P, Chen S, Yu W, Okumura R, Iikubo S, Laksono A, et al.
Materials (Basel)
. 2022 May;
15(9).
PMID: 35591433
In recent years, high-entropy alloys (HEAs) that contain fine grains of intermetallic compounds (IMCs) have gained increasing attention as they have been shown to exhibit both high mechanical strength and...
4.
Ono Y, Okumura R, Hatanaka K, Sato Y, Ota H, Fukushi Y, et al.
J Infect Chemother
. 2021 Nov;
28(2):295-298.
PMID: 34736813
Syphilis infection during pregnancy causes perinatal complications and mother-to-child transmission if untreated. A newborn was delivered by emergent cesarean section due to non-reassuring fetal status at 34 weeks of gestation....
5.
Kobayashi I, Kanesaka I, Kanayama Katsuse A, Takahashi H, Okumura R, Nakanishi Y, et al.
J Infect Chemother
. 2018 Oct;
25(4):322-324.
PMID: 30366862
We investigated the degree of expression of Streptococcus pneumoniae genes associated with bacteriolysis and cell death in relation to the rapid bactericidal activity of sitafloxacin. S. pneumoniae ATCC 49619 was...
6.
Yamashige R, Kimoto M, Okumura R, Hirao I
J Am Chem Soc
. 2018 Oct;
140(43):14038-14041.
PMID: 30336010
Visual DNA amplification using a simple polymerase chain reaction (PCR) device is useful for field tests to detect target DNA and RNA. We hereby describe a detection system involving PCR...
7.
Monarrez R, Wang Y, Fu Y, Liao C, Okumura R, Braun M, et al.
Antimicrob Agents Chemother
. 2018 Jun;
62(9).
PMID: 29914953
Expression of the quinolone resistance gene is increased by quinolones, but unlike induction of some other genes, the bacterial SOS system is not involved and no box is found upstream....
8.
Kihira T, Okamoto K, Sakurai I, Arakawa Y, Wakayama I, Takamiya K, et al.
Intern Med
. 2017 Jun;
56(12):1497-1506.
PMID: 28626174
Objective Lifestyle changes may play an important role in the incidence reduction and delay of onset age of amyotrophic lateral sclerosis (ALS) in the Koza/Kozagawa/Kushimoto (K) area. The aim of...
9.
Hamasuna R, Ohnishi M, Matsumoto M, Okumura R, Unemo M, Matsumoto T
Microb Drug Resist
. 2017 Jun;
24(1):30-34.
PMID: 28581359
Emergence of antimicrobial resistance in Neisseria gonorrhoeae is a major public health concern globally, and new antimicrobials for treatment of gonorrhea are imperative. In this study, the in vitro activity...
10.
Kim E, Chen C, Braun M, Kim H, Okumura R, Wang Y, et al.
Antimicrob Agents Chemother
. 2015 Jun;
59(9):5413-9.
PMID: 26100716
Plasmid-encoded protein QnrB1 protects DNA gyrase from ciprofloxacin inhibition. Using a bacterial two-hybrid system, we evaluated the physical interactions between wild-type and mutant QnrB1, the GyrA and GyrB gyrase subunits,...