Author

Takekazu Okumura

Observed names: T. Okumura, Takekazu OKUMURA

Institution: Yakult Central Institute

Observed institutions: Kyoto Prefectural University, Yakult Honsha (Japan), Yakult Central Institute

ORCID: 0009-0008-2071-9545

Observed ORCID: 0009-0008-2071-9545

OpenAlex ID: A5108642486

Screening of Probiotic Candidates in Human Oral Bacteria for the Prevention of Dental Disease

2015 · Tomohiko Terai, Takekazu Okumura, et al. · PLoS ONE · 104

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Isolation of lactate-utilizing butyrate-producing bacteria from human feces and in vivo administration of Anaerostipes caccae strain L2 and galacto-oligosaccharides in a rat model: Synbiotic use of fecal isolate and GOS

2008 · Tadashi Sato, Kazumasa Matsumoto, et al. · FEMS Microbiology Ecology · 92

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Structure and differential response to abscisic acid of two promoters for the cytosolic copper/zinc‐ superoxide dismutase genes, SodCcl and SodCc2, in rice protoplasts

1995 · Atsushi Sakamoto, Takekazu Okumura, et al. · FEBS Letters · 62

Side-Chain Structure of Cell Surface Polysaccharide, Mannan, Affects Hypocholesterolemic Activity of Yeast

2009 · Yasuto Yoshida, Eiichiro Naito, et al. · Journal of Agricultural and Food Chemistry · 22

Genomic structure of the gene for copper/zinc‐superoxide dismutase in rice

1992 · Atsushi Sakamoto, Takekazu Okumura, et al. · FEBS Letters · 22

Detection of white spot syndrome virus from stomach tissue homogenate of the kuruma shrimp (Penaeus japonicus) by reverse passive latex agglutination

2004 · Takekazu Okumura, Fumiko Nagai, et al. · Journal of Virological Methods · 20

Preventive Effect ofStreptococcus thermophilusYIT 2001 on Dextran Sulfate Sodium-Induced Colitis in Mice

2008 · Masahiko ITO, Kenji OHISHI, et al. · Bioscience Biotechnology and Biochemistry · 16

Safety assessment of the candidate oral probiotic Lactobacillus crispatus YIT 12319: Analysis of antibiotic resistance and virulence-associated genes

2020 · Tomohiko Terai, Kosuke Kato, et al. · Food and Chemical Toxicology · 15

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Effects of lactic acid bacteria on low-density lipoprotein susceptibility to oxidation and aortic fatty lesion formation in hyperlipidemic hamsters

2014 · M. Ito, K. Oishi, et al. · Beneficial Microbes · 15

Cell wall polysaccharide enhances Lacticaseibacillus paracasei strain Shirota growth in milk and contributes to acid and bile tolerance

2024 · Kosuke Kato, Masaki Serata, et al. · International Journal of Food Microbiology · 13

Detection of white spot syndrome virus (WSSV) from hemolymph of Penaeid shrimps Penaeus japonicus by reverse passive latex agglutination assay using high-density latex particles

2004 · Takekazu Okumura, Fumiko Nagai, et al. · Journal of Virological Methods · 13

Antibacterial activity of the probiotic candidate Lactobacillus gasseri against methicillin-resistant Staphylococcus aureus

2020 · Takumi Ishikawa, Susumu Imai, et al. · Asian Pacific Journal of Dentistry · 9

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Effects of Lactobacillus crispatus as a candidate for oral probiotic bacteria on Haemophilus influenzae

2015 · Kaoru Sogabe-Ashigaki, Susumu Imai, et al. · Asian Pacific Journal of Dentistry · 5

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Effect ofKluyveromyces marxianusYIT 8292 Crude Cell Wall Fraction on Serum Lipids in Normocholesterolemic and Mildly Hypercholesterolemic Subjects

2007 · Yasuto YOSHIDA, Eiichiro NAITO, et al. · Bioscience Biotechnology and Biochemistry · 5

Identification and functional analysis of two oligopeptide transporters supporting the growth of Lacticaseibacillus paracasei strain Shirota in milk

2025 · Shiho Tanaka, Masaki Serata, et al. · Microbiology · 4

Evaluation of the cariogenic potential of a probiotic candidate strain Lactobacillus gasseri YIT 12321

2022 · Ayako Okada, Susumu Imai, et al. · Archives of Oral Biology · 4

Cell wall polysaccharide alters the surface electric potential of Lacticaseibacillus paracasei strain Shirota and enhances acid tolerance

2025 · Kosuke Kato, Madoka Nakamura, et al. · Current Research in Microbial Sciences · 3

Detection of Glycolytically Active Lacticaseibacillus paracasei Strain Shirota by Flow Cytometry Targeting the Efflux Activity of Fluorescent Dye: a Potential Tool for Quality Assessment of Probiotic Cells in Milk Products

2023 · Hiroyuki Kubota, Masaki Serata, et al. · Applied and Environmental Microbiology · 3

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Suppression of opportunistic infectious bacteria by lactic acid bacteria and antibacterial drugs

2019 · Takuya Nakano, Susumu Imai, et al. · Asian Pacific Journal of Dentistry · 2

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Characterization and purification of a bacteriocin-like substance produced by Lactobacillus crispatus LBS 17-11 isolated from an oral cavity of human subject

2017 · Gaku Akimaru, Susumu Imai, et al. · Asian Pacific Journal of Dentistry · 2

Orally administered Streptococcus thermophilus YIT 2001 is a vehicle for the delivery of glutathione, a reactive reduced thiol, to the intestine

2023 · Yu Yamamoto, Koh Maki, et al. · Journal of Applied Microbiology · 1

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Cell wall polysaccharides enhance surface hydrophilicity and improve tolerance to alcohol and surfactants in Lacticaseibacillus paracasei strain Shirota

2026 · Kosuke Kato, Madoka Nakamura, et al. · Microbiology Spectrum

Development of the Reverse Passive Latex Agglutination Method for the Detection and Quantification of the GenusNitrospirain the Wastewater Treatment Process

2008 · Takekazu OKUMURA, Fumiko NAGAI, et al. · Bioscience Biotechnology and Biochemistry

Works count: 23

Citation count: 432

H-index: 11

I10-index: 11