Publications by authors named "Masao Nasu"

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Bacterial community structure and dominant species in pharmaceutical manufacturing water revealed by high-throughput sequencing.
Saori Shikama, Kimiko Uchii, Makoto Sadamitsu, Takashi Kaminagayoshi, Yoshihiko Koizumi, Masao Nasu

Eur J Pharm Sci· August 2025

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Changes in bacterial diversity and community structure in drinking water distribution system revealed by high throughput sequencing.
Yoshihiko Koizumi, Tomoaki Ichijo, Kimiko Uchii, Masao Nasu

J Microorg Control· June 2023

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Microbial Water Quality Assessment of Private Wells Using 16S rRNA Gene Amplicon Sequencing with a Nanopore Sequencer.
Mayumi Mimura, Yoshihiko Koizumi, Masashi Wada, Tomoaki Ichijo, Kimiko Uchii, Masao Nasu

Biol Pharm Bull· February 2023

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Bacterial bioburden and community structure of potable water used in the International Space Station.
Tomoaki Ichijo, Kimiko Uchii, Kazuma Sekimoto, Takashi Minakami, Takashi Sugita, Masao Nasu

Sci Rep· September 2022

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Microbial Monitoring in the International Space Station and Its Application on Earth.
Tomoaki Ichijo, Toru Shimazu, Masao Nasu

Biol Pharm Bull· November 2020

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Genetic relatedness of Mycobacterium avium subsp. hominissuis isolates from bathrooms of healthy volunteers, rivers, and soils in Japan with human clinical isolates from different geographical areas.
Kentaro Arikawa, Tomoaki Ichijo, Satomi Nakajima, Yukiko Nishiuchi, Hirokazu Yano, Masao Nasu

Infect Genet Evol· October 2019

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Culture independent approach reveals domination of human-oriented microbes in a pharmaceutical manufacturing facility.
Mako Kawai, Tomoaki Ichijo, Yuji Takahashi, Miyako Noguchi, Hirohito Katayama, Masao Nasu

Eur J Pharm Sci· September 2019

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Positive Selection in F-Box Domain (lpp0233) Encoded in Legionella pneumophila Strains.
Takehiko Kenzaka, Madoka Yasui, Takashi Baba, Masao Nasu, Katsuji Tani

Biocontrol Sci· October 2018

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Effects of Asian dust events on atmospheric bacterial communities at different distances downwind of the source region.
Jonguk Park, Pin-Fang Li, Tomoaki Ichijo, Masao Nasu, Nobuyasu Yamaguchi

J Environ Sci (China)· October 2018

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Abundance and Community Structure of Bacteria on Asian Dust Particles Collected in Beijing, China, during the Asian Dust Season.
Nobuyasu Yamaguchi, Takashi Baba, Tomoaki Ichijo, Yuka Himezawa, Kanami Enoki, Masao Nasu

Biol Pharm Bull· October 2016

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Investigation of bacterial effects of Asian dust events through comparison with seasonal variability in outdoor airborne bacterial community.
Jonguk Park, Tomoaki Ichijo, Masao Nasu, Nobuyasu Yamaguchi

Sci Rep· October 2016

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[Risk Management of Teratogenic Drugs ~The Current States of Practice in Europe, US and Japan~].
Tatsuya Takagi, Carla van Bennekom, Steffen Amann, Chizuko Hattori, Yuko Shirakuni, Masao Nasu

Yakugaku Zasshi· August 2016

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Four-year bacterial monitoring in the International Space Station-Japanese Experiment Module "Kibo" with culture-independent approach.
Tomoaki Ichijo, Nobuyasu Yamaguchi, Fumiaki Tanigaki, Masaki Shirakawa, Masao Nasu

NPJ Microgravity· April 2016

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Expression of gyrB and 16S ribosomal RNA genes as indicators of growth and physiological activities of Legionella pneumophila.
Toshihiro Okuno, Katsuji Tani, Nobuyasu Yamaguchi, Masao Nasu

Biocontrol Sci· December 2015

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Distribution and respiratory activity of mycobacteria in household water system of healthy volunteers in Japan.
Tomoaki Ichijo, Yoko Izumi, Sayuri Nakamoto, Nobuyasu Yamaguchi, Masao Nasu

PLoS One· June 2015

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Asian dust particles induce macrophage inflammatory responses via mitogen-activated protein kinase activation and reactive oxygen species production.
Kazuma Higashisaka, Maho Fujimura, Mayu Taira, Tokuyuki Yoshida, Shin-ichi Tsunoda, Masao Nasu

J Immunol Res· February 2015

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Changes in the airborne bacterial community in outdoor environments following Asian dust events.
Nobuyasu Yamaguchi, Jonguk Park, Makiko Kodama, Tomoaki Ichijo, Takashi Baba, Masao Nasu

Microbes Environ· November 2014

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Microbial monitoring of crewed habitats in space-current status and future perspectives.
Nobuyasu Yamaguchi, Michael Roberts, Sarah Castro, Cherie Oubre, Koichi Makimura, Masao Nasu

Microbes Environ· September 2014

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Bacterial communities in pigmented biofilms formed on the sandstone bas-relief walls of the Bayon Temple, Angkor Thom, Cambodia.
Asako Kusumi, Xianshu Li, Yu Osuga, Arata Kawashima, Ji-Dong Gu, Masao Nasu

Microbes Environ· July 2014

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Microchip-based terminal restriction fragment length polymorphism for on-site analysis of bacterial communities in freshwater.
Nobuyasu Yamaguchi, Syuhei Matsukawa, Yoko Shintome, Tomoaki Ichijo, Masao Nasu

Biol Pharm Bull· February 2014

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16S ribosomal RNA gene-based phylogenetic analysis of abundant bacteria in river, canal and potable water in Bangkok, Thailand.
Nobuyasu Yamaguchi, Takahiro Nishiguchi, Fuangfa Utrarachkij, Orasa Suthienkul, Masao Nasu

Biol Pharm Bull· January 2014

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Bacterial monitoring with adhesive sheet in the international space station-"Kibo", the Japanese experiment module.
Tomoaki Ichijo, Hatsuki Hieda, Rie Ishihara, Nobuyasu Yamaguchi, Masao Nasu

Microbes Environ· December 2013

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Global dispersion of bacterial cells on Asian dust.
Nobuyasu Yamaguchi, Tomoaki Ichijo, Akiko Sakotani, Takashi Baba, Masao Nasu

Sci Rep· March 2013

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Break down of asian dust particle on wet surface and their possibilities of cause of respiratory health effects.
Nobuyasu Yamaguchi, Akiko Sakotani, Tomoaki Ichijo, Takehiko Kenzaka, Katsuji Tani, Masao Nasu

Biol Pharm Bull· December 2012

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High prevalence of qnr and aac(6')-Ib-cr genes in both water-borne environmental bacteria and clinical isolates of Citrobacter freundii in China.
Rong Zhang, Tomoaki Ichijo, Yong-Lu Huang, Jia-Chang Cai, Hong-Wei Zhou, Masao Nasu

Microbes Environ· November 2012

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