Publications by authors named "Masato Akiba"

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Association between farm-level antimicrobial usage and antimicrobial resistance in Escherichia coli isolates from healthy swine in ten farms in Japan.
Yukino Tamamura-Andoh, Sota Kobayashi, Itsuro Yamane, Mafumi Watanabe, Keerthi Siri Guruge, Masato Akiba

J Vet Med Sci· September 2025

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Draft genome sequence of strain P18 isolated from cattle in Japan.
Masato Akiba, Tsuyoshi Sekizuka, Ichiro Yasutomi, Yuichiro Fujii, Ikuo Uchida

Microbiol Resour Announc· September 2025

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ICEmST contributes to colonization of Salmonella in the intestine of piglets.
Nobuo Arai, Tomoyuki Shibahara, Reina Nishiura, Yukino Tamamura-Andoh, Hayate Nishiura, Masato Akiba

Sci Rep· December 2024

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Characteristics of antimicrobial residues in manure composts from swine farms: Residual patterns, removal efficiencies, and relation to purchased quantities and composting methods in Japan.
Mafumi Watanabe, Prasun Goswami, Katsumasa Kure, Itsuro Yamane, Sota Kobayashi, Masato Akiba

J Hazard Mater· October 2023

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Occurrence and the potential ecological risk of veterinary antimicrobials in swine farm wastewaters in Japan: Seasonal changes, relation to purchased quantity and after termination of oxytetracycline usage.
Mafumi Watanabe, Keerthi S Guruge, Ryuichi Uegaki, Katsumasa Kure, Itsuro Yamane, Masato Akiba

Environ Int· March 2023

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Nationwide analysis of antimicrobial resistance in pathogenic strains isolated from diseased swine over 29 years in Japan.
Masahiro Kusumoto, Yukino Tamamura-Andoh, Yuna Hikoda-Kogiku, Asami Magome, Erina Okuhama, Masato Akiba

Front Microbiol· March 2023

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Tryptanthrin Reduces Campylobacter jejuni Colonization in the Chicken Gut by a Bactericidal Mechanism.
Taketoshi Iwata, Ayako Watanabe-Yanai, Yukino Tamamura-Andoh, Nobuo Arai, Masato Akiba

Appl Environ Microbiol· February 2023

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Duplication of bla and a class 1 integron on the chromosome enhances antimicrobial resistance in Escherichia coli isolated from racehorses in Japan.
Yukino Tamamura-Andoh, Hideaki Niwa, Yuta Kinoshita, Eri Uchida-Fujii, Nobuo Arai, Masato Akiba

J Glob Antimicrob Resist· December 2021

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The association between antimicrobials and the antimicrobial-resistant phenotypes and resistance genes of Escherichia coli isolated from hospital wastewaters and adjacent surface waters in Sri Lanka.
Keerthi S Guruge, Yukino A Tamamura, Prasun Goswami, Rumi Tanoue, K B S N Jinadasa, Masato Akiba

Chemosphere· September 2021

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Identification of a Recently Dominant Sublineage in 4,[5],12:i:- Sequence Type 34 Isolated From Food Animals in Japan.
Nobuo Arai, Tsuyoshi Sekizuka, Yukino Tamamura-Andoh, Lisa Barco, Atsushi Hinenoya, Masato Akiba

Front Microbiol· July 2021

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A survey of antimicrobial resistance in Escherichia coli isolated from wild sika deer (Cervus nippon) in Japan.
Yukino Tamamura-Andoh, Nobuyuki Tanaka, Keisuke Sato, Yoshino Mizuno, Nobuo Arai, Masato Akiba

J Vet Med Sci· May 2021

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Influence of SOS-inducing agents on the expression of ArtAB toxin gene in and .
Shou Miura, Yukino Tamamura, Mariko Takayasu, Miwa Sasaki, Natsuko Nishimura, Masato Akiba

Microbiology (Reading)· August 2020

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Genomic Island 3 Is an Integrative and Conjugative Element and Contributes to Copper and Arsenic Tolerance of .
Nobuo Arai, Tsuyoshi Sekizuka, Yukino Tamamura, Masahiro Kusumoto, Atsushi Hinenoya, Masato Akiba

Antimicrob Agents Chemother· September 2019

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Transcriptomic analysis of Campylobacter jejuni grown in a medium containing serine as the main energy source.
Ayako Watanabe-Yanai, Taketoshi Iwata, Masahiro Kusumoto, Yukino Tamamura, Masato Akiba

Arch Microbiol· July 2019

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In vivo effect of a TLR5 SNP (C1205T) on Salmonella enterica serovar Typhimurium infection in weaned, specific pathogen-free Landrace piglets.
Yoshihiro Muneta, Nobuo Arai, Yoko Yakabe, Masahiro Eguchi, Tomoyuki Shibahara, Masato Akiba

Microbiol Immunol· June 2018

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Phylogenetic Characterization of Salmonella enterica Serovar Typhimurium and Its Monophasic Variant Isolated from Food Animals in Japan Revealed Replacement of Major Epidemic Clones in the Last 4 Decades.
Nobuo Arai, Tsuyoshi Sekizuka, Yukino Tamamura, Kiyoshi Tanaka, Lisa Barco, Masato Akiba

J Clin Microbiol· May 2018

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Seasonal movement of trace-element discharge in a typical south-Indian suburban community.
Derrick Ian Joshua, Sumith Abeykoon, Izumi Watanabe, Lucyna Paszek, Keshava Balakrishna, Masato Akiba

Water Sci Technol· February 2018

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Population structure of Escherichia coli O26 : H11 with recent and repeated stx2 acquisition in multiple lineages.
Yoshitoshi Ogura, Yasuhiro Gotoh, Takehiko Itoh, Mitsuhiko P Sato, Kazuko Seto, Masato Akiba

Microb Genom· November 2017

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Determination of O:4 antigen-antibody affinity level in O:5 antigen positive and negative variants of Salmonella enterica serovar Typhimurium.
Yuka Nakai, Akihisa Ito, Yohsuke Ogawa, Swarmistha Devi Aribam, Marta Elsheimer-Matulova, Masato Akiba

FEMS Microbiol Lett· April 2017

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Peptidoglycan Acetylation of Campylobacter jejuni Is Essential for Maintaining Cell Wall Integrity and Colonization in Chicken Intestines.
Taketoshi Iwata, Ayako Watanabe, Masahiro Kusumoto, Masato Akiba

Appl Environ Microbiol· October 2016

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Spatio-temporal distribution, source, and genotoxic potential of polycyclic aromatic hydrocarbons in estuarine and riverine sediments from southern India.
Prasun Goswami, Takeshi Ohura, Keerthi S Guruge, Miyako Yoshioka, Noriko Yamanaka, Masato Akiba

Ecotoxicol Environ Saf· August 2016

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Colistin-Resistant mcr-1-Positive Pathogenic Escherichia coli in Swine, Japan, 2007-2014.
Masahiro Kusumoto, Yoshitoshi Ogura, Yasuhiro Gotoh, Taketoshi Iwata, Tetsuya Hayashi, Masato Akiba

Emerg Infect Dis· July 2016

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Removal rates of antibiotics in four sewage treatment plants in South India.
Valiparambil Prabhakaranunni Prabhasankar, Derrick Ian Joshua, Keshava Balakrishna, Iyanee Faroza Siddiqui, Sachi Taniyasu, Masato Akiba

Environ Sci Pollut Res Int· May 2016

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Distribution and Relationships of Antimicrobial Resistance Determinants among Extended-Spectrum-Cephalosporin-Resistant or Carbapenem-Resistant Escherichia coli Isolates from Rivers and Sewage Treatment Plants in India.
Masato Akiba, Tsuyoshi Sekizuka, Akifumi Yamashita, Makoto Kuroda, Yuki Fujii

Antimicrob Agents Chemother· May 2016

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Emergence of a Multidrug-Resistant Shiga Toxin-Producing Enterotoxigenic Escherichia coli Lineage in Diseased Swine in Japan.
Masahiro Kusumoto, Yuna Hikoda, Yuki Fujii, Misato Murata, Hirotsugu Miyoshi, Masato Akiba

J Clin Microbiol· April 2016

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