Koji Hamasaki - Publications, H-index & Citations

Koji Hamasaki

The University of Tokyo

28H指数

178论文数

2.7K被引数

收录论文 35

发表时间

Basin-scale community assembly of particle-associated and free-living bacteria in the Pacific Ocean 太平洋洋盆尺度上附着颗粒物和自由生活的细菌群落组装

Scientific Reports

IF3.9

2026-07-15

OAAI

Shotaro Suzuki; Fuminori Hashihama; Taketoshi Kodama; Iwao Tanita; Ken Furuya; Hiroshi Ogawa; Koji Hamasaki

Fine-scale differences in feeding ecology of three tropical euphausiid species revealed using 18S V9 metabarcoding and stable isotope analysis 三种热带樱虾种类的摄食生态学精细差异：利用18S V9宏条形码测序和稳定同位素分析揭示

Marine Ecology Progress Series

IF2.1

2026-01-22

PREAI

Zhou, Fanyu; Hirai, Junya; Hamasaki, Koji; Sato, Takuya; Takahashi, Kazutaka; Tsuda, Atsushi

Different structuring factors and distribution patterns of marine prokaryotic and eukaryotic communities in the subtropical Kuroshio region 亚热带黑潮区域海洋原核生物和真核生物群落的结构因素与分布模式的差异

Frontiers in Marine Science

IF3

2025-11-28

OAAI

Youta Sugai; Masayuki Ushio; Junya Hirai; Masumi Hasegawa-Takano†; Takayoshi Fujiwara†; Mako Takada; Kaho Mori; Hideki Fukuda; Hiroaki Saito; Koji Hamasaki; Susumu Hyodo; Susumu Yoshizawa

Single initial inoculation of bioflocs maintains water quality in the long-term culture collection of Brachionus plicatilis 单次初始生物絮团接种可维持布氏旋轮虫（Brachionus plicatilis）长期培养物中的水质

AQUACULTURE INTERNATIONAL

IF2.4

2025-11-13

PREAI

Mandario, Mary Anne E.; Kozue, Noa; Wassel, Mai A.; Makabe-Kobayashi, Yoko; Han, Chengyan; Hamasaki, Koji; Sakakura, Yoshitaka

Bioflocs-assisted mass culture of Brachionus plicatilis under prolonged zero-water exchange and its application to Pagrus major larviculture 生物絮团辅助下Brachionus plicatilis的长期零水交换大规模培养及其在Pagrus major鱼苗培育中的应用

Aquaculture

IF3.9

2025-10-29

OAAI

Mary Anne E. Mandario; Rinko Aoyagi; Mai A. Wassel; Yoko Makabe-Kobayashi; Chengyan Han; Koji Hamasaki; Yoshitaka Sakakura

Shifting seas and first feeds: gut microbiota dynamics in juvenile chum salmon (Oncorhynchus keta) and their climate vulnerability 洄游迁徙与初次摄食：大麻哈鱼（Oncorhynchus keta）幼鱼肠道菌群动态及其气候易感性

Current Research in Microbial Sciences

IF5.8

2025-07-30

OAAI

Subrata Kumar Ghosh; Marty Kwok-Shing Wong; Susumu Hyodo; Koji Hamasaki

The impact of tetrodotoxin (TTX) on the gut microbiome in juvenile tiger pufferfish, Takifugu rubripes 河豚毒素 (TTX) 对幼虎河豚肠道菌群的影响

SCIENTIFIC REPORTS

IF3.9

2024-07-31

OAAI

Wassel, Mai A.; Makabe-Kobayashi, Yoko; Iqbal, Md Mehedi; Takatani, Tomohiro; Sakakura, Yoshitaka; Hamasaki, Koji

Distribution and survival strategies of endemic and cosmopolitan diazotrophs in the Arctic Ocean (May 2023, 10.1038/s41396023-01424-x)

ISME JOURNAL

IF10

2023-06-01

OAAI

Shiozaki, Takuhei; Nishimura, Yosuke; Yoshizawa, Susumu; Takami, Hideto; Hamasaki, Koji; Fujiwara, Amane; Nishino, Shigeto; Harada, Naomi

Distribution and survival strategies of endemic and cosmopolitan diazotrophs in the Arctic Ocean

ISME JOURNAL

IF10

2023-05-23

OAAI

Takuhei, Shiozaki; Nishimura, Yosuke; Yoshizawa, Susumu; Takami, Hideto; Hamasaki, Koji; Fujiwara, Amane; Nishino, Shigeto; Harada, Naomi

Pilot study of a comprehensive resource estimation method from environmental DNA using universal D-loop amplification primers

FUNCTIONAL & INTEGRATIVE GENOMICS

IF3.1

2023-03-22

OAAI

Yoshitake, Kazutoshi; Yanagisawa, Kyohei; Sugimoto, Yuma; Nakamura, Hiroshi; Mizusawa, Nanami; Miya, Masaki; Hamasaki, Koji; Kobayashi, Takanori; Watabe, Shugo; Nishikiori, Kazuomi; Asakawa, Shuichi

Marine nitrogen fixation as a possible source of atmospheric water-solubleorganic nitrogen aerosols in the subtropical North Pacific

BIOGEOSCIENCES

IF3.9

2023-01-27

OAAI

Dobashi, Tsukasa; Miyazaki, Yuzo; Tachibana, Eri; Takahashi, Kazutaka; Horii, Sachiko; Hashihama, Fuminori; Yasui-Tamura, Saori; Iwamoto, Yoko; Wong, Shu-Kuan; Hamasaki, Koji

Distribution of Dimethylsulfoniopropionate Degradation Genes Reflects Strong Water Current Dependencies in the Sanriku Coastal Region in Japan: From Mesocosm to Field Study

FRONTIERS IN MICROBIOLOGY

IF4.5

2020-07-13

OAAI

Cui, Yingshun; Wong, Shu-Kuan; Kaneko, Ryo; Mouri, Ayako; Tada, Yuya; Nagao, Ippei; Chun, Seong-Jun; Lee, Hyung-Gwan; Ahn, Chi-Yong; Oh, Hee-Mock; Sato-Takabe, Yuki; Suzuki, Koji; Fukuda, Hideki; Nagata, Toshi; Kogure, Kazuhiro; Hamasaki, Koji

Eukaryotic Phytoplankton Contributing to a Seasonal Bloom and Carbon Export Revealed by Tracking Sequence Variants in the Western North Pacific

FRONTIERS IN MICROBIOLOGY

IF4.5

2019-11-26

OAAI

Shiozaki, Takuhei; Hirose, Yuu; Hamasaki, Koji; Kaneko, Ryo; Ishikawa, Kazuo; Harada, Naomi

Arsenate and microbial dynamics in different phosphorus regimes of the subtropical Pacific Ocean

PROGRESS IN OCEANOGRAPHY

IF3.6

2019-09-01

PREAI

Hashihama, Fuminori; Suwa, Shuhei; Kanda, Jota; Ehama, Makoto; Sakuraba, Ryousuke; Kinouchi, Shinko; Sato, Mitsuhide; Yamaguchi, Tamaha; Saito, Hiroaki; Ogura, Yoshitoshi; Hayashi, Tetsuya; Mori, Hiroshi; Kurokawa, Ken; Suzuki, Shotaro; Hamasaki, Koji

Genome analysis of Rubritalea profundi SAORIC-165T, the first deep-sea verrucomicrobial isolate, from the northwestern Pacific Ocean

JOURNAL OF MICROBIOLOGY

IF2.6

2019-02-26

PREAI

Song, Jaeho; Kang, Ilnam; Joung, Yochan; Yoshizawa, Susumu; Kaneko, Ryo; Oshima, Kenshiro; Hattori, Masahira; Hamasaki, Koji; Kogure, Kazuhiro; Kim, Soochan; Lee, Kangseok; Cho, Jang-Cheon

High temperature accelerates growth of aerobic anoxygenic phototrophic bacteria in seawater

MICROBIOLOGYOPEN

IF4.6

2018-07-27

OAAI

Sato-Takabe, Yuki; Hamasaki, Koji; Suzuki, Satoru

Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean

GLOBAL BIOGEOCHEMICAL CYCLES

IF5.5

2018-07-05

OAAI

Shiozaki, Takuhei; Bombar, Deniz; Riemann, Lasse; Sato, Mitsuhide; Hashihama, Fuminori; Kodama, Taketoshi; Tanita, Iwao; Takeda, Shigenobu; Saito, Hiroaki; Hamasaki, Koji; Furuya, Ken

Biogenic sulfur compounds in spring phytoplankton bloom in the western North Pacific off the coast of northern Japan

PROGRESS IN OCEANOGRAPHY

IF3.6

2018-07-01

PREAI

Nagao, Ippei; Eum, Young-Joon; Iwamoto, Yoko; Tada, Yuya; Suzuki, Koji; Tsuda, Atsushi; Toratani, Mitsuhiro; Hamasaki, Koji; Uematsu, Mitsuo

Bacterioplankton drawdown of coral mass-spawned organic matter

ISME JOURNAL

IF10

2018-06-08

OAAI

Guillemette, Ryan; Kaneko, Ryo; Blanton, Jessica; Tan, Jasmine; Witt, Matthias; Hamilton, Samantha; Allen, Eric E.; Medina, Monica; Hamasaki, Koji; Koch, Boris P.; Azam, Farooq

Diazotroph community structure and the role of nitrogen fixation in the nitrogen cycle in the Chukchi Sea (western Arctic Ocean)楚科奇海 (北冰洋西部) 固氮菌群落结构和固氮在氮循环中的作用

LIMNOLOGY AND OCEANOGRAPHY

IF3.7

2018-05-21

OAAI

Shiozaki, Takuhei; Fujiwara, Amane; Ijichi, Minoru; Harada, Naomi; Nishino, Shigeto; Nishi, Shinro; Nagata, Toshi; Hamasaki, Koji

研究方向