Search Results - "Hamasaki, Koji"

Accumulation of humic-like fluorescent dissolved organic matter in the Japan Sea by Tanaka, Kazuki, Kuma, Kenshi, Hamasaki, Koji, Yamashita, Youhei

“…Major fraction of marine dissolved organic matter (DOM) is biologically recalcitrant, however, the accumulation mechanism of recalcitrant DOM has not been…”
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Diazotroph community structure and the role of nitrogen fixation in the nitrogen cycle in the Chukchi Sea (western Arctic Ocean) by Shiozaki, Takuhei, Fujiwara, Amane, Ijichi, Minoru, Harada, Naomi, Nishino, Shigeto, Nishi, Shinro, Nagata, Toshi, Hamasaki, Koji

“…Marine nitrogen fixation occurs not only in subtropical and tropical regions but also in colder regions. However, the distribution of diazotrophs, nitrogen…”
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Basin scale variability of active diazotrophs and nitrogen fixation in the North Pacific, from the tropics to the subarctic Bering Sea by Shiozaki, Takuhei, Bombar, Deniz, Riemann, Lasse, Hashihama, Fuminori, Takeda, Shigenobu, Yamaguchi, Tamaha, Ehama, Makoto, Hamasaki, Koji, Furuya, Ken

“…Nitrogen‐fixing microorganisms (diazotrophs) provide biologically available nitrogen to plankton communities and thereby greatly influence the productivity in…”
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Characterization of adhesivity of organic enriched sea spray aerosols by atomic force microscopy by Ono, Kohei, Iwata, Ayumi, Fukuma, Takeshi, Iwamoto, Yoko, Hamasaki, Koji, Matsuki, Atsushi

“…Aerosol particles can trigger various environmental issues, not only when they are airborne but even after their deposition. For example, highly corrosive sea…”
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The impact of tetrodotoxin (TTX) on the gut microbiome in juvenile tiger pufferfish, Takifugu rubripes by Wassel, Mai A., Makabe-Kobayashi, Yoko, Iqbal, Md Mehedi, Takatani, Tomohiro, Sakakura, Yoshitaka, Hamasaki, Koji

“…Tetrodotoxin (TTX) is a potent neurotoxin that accumulates in Takifugu rubripes , commonly known as pufferfish, through the ingestion of TTX-bearing organisms…”
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Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean by Shiozaki, Takuhei, Ijichi, Minoru, Isobe, Kazuo, Hashihama, Fuminori, Nakamura, Ken-ichi, Ehama, Makoto, Hayashizaki, Ken-ichi, Takahashi, Kazutaka, Hamasaki, Koji, Furuya, Ken

“…We examined nitrification in the euphotic zone, its impact on the nitrogen cycles, and the controlling factors along a 7500 km transect from the equatorial…”
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Vertical distribution of particle-associated and free-living ammonia-oxidizing archaea in Suruga Bay, a deep coastal embayment of Japan by Ijichi, Minoru, Itoh, Hajime, Hamasaki, Koji

“…We analyzed the vertical distributions of ammonia-oxidizing archaea (AOA) in terms of abundance in Suruga Bay, Japan. We distinguished particle-associated (PA)…”
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Differing Growth Responses of Major Phylogenetic Groups of Marine Bacteria to Natural Phytoplankton Blooms in the Western North Pacific Ocean by TADA, Yuya, TANIGUCHI, Akito, NAGAO, Ippei, MIKI, Takeshi, UEMATSU, Mitsuo, TSUDA, Atsushi, HAMASAKI, Koji

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Distribution and phylogeny of anaerobic ammonium-oxidizing (anammox) bacteria in the water column of the central Pacific Ocean by Hamasaki, Koji, Shishikura, Ryuki, Suzuki, Shotaro, Shiozaki, Takuhei, Ogawa, Hiroshi, Nakamura, Tomotaka, Suwa, Yuichi

“…Anaerobic ammonium-oxidizing (anammox) bacteria produce dinitrogen gas from nitrite and ammonium under anoxic conditions and significantly contribute nitrogen…”
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Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean by Shiozaki, Takuhei, Bombar, Deniz, Riemann, Lasse, Sato, Mitsuhide, Hashihama, Fuminori, Kodama, Taketoshi, Tanita, Iwao, Takeda, Shigenobu, Saito, Hiroaki, Hamasaki, Koji, Furuya, Ken

“…The import of nitrogen via dinitrogen fixation supports primary production, particularly in the oligotrophic ocean; however, to what extent dinitrogen fixation…”
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Ammonia oxidizers in the sea-surface microlayer of a coastal marine inlet by Wong, Shu-Kuan, Ijichi, Minoru, Kaneko, Ryo, Kogure, Kazuhiro, Hamasaki, Koji

“…Planktonic archaea are thought to play an important role in ammonia oxidation in marine environments. Data on the distribution, abundance, and diversity of…”
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Abundance and distribution of dimethylsulfoniopropionate degradation genes and the corresponding bacterial community structure at dimethyl sulfide hot spots in the tropical and subtropical pacific ocean by Cui, Yingshun, Suzuki, Shotaro, Omori, Yuko, Wong, Shu-Kuan, Ijichi, Minoru, Kaneko, Ryo, Kameyama, Sohiko, Tanimoto, Hiroshi, Hamasaki, Koji

“…Dimethylsulfoniopropionate (DMSP) is mainly produced by marine phytoplankton but is released into the microbial food web and degraded by marine bacteria to…”
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Marine nitrogen fixation as a possible source of atmospheric water-soluble organic nitrogen aerosols in the subtropical North Pacific by Dobashi, Tsukasa, Miyazaki, Yuzo, Tachibana, Eri, Takahashi, Kazutaka, Horii, Sachiko, Hashihama, Fuminori, Yasui-Tamura, Saori, Iwamoto, Yoko, Wong, Shu-Kuan, Hamasaki, Koji

“…Water-soluble organic nitrogen (WSON) in marine atmospheric aerosols affect the water solubility, acidity, and light-absorbing properties of aerosol particles,…”
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Active populations of rare microbes in oceanic environments as revealed by bromodeoxyuridine incorporation and 454 tag sequencing by Hamasaki, Koji, Taniguchi, Akito, Tada, Yuya, Kaneko, Ryo, Miki, Takeshi

“…The “rare biosphere” consisting of thousands of low-abundance microbial taxa is important as a seed bank or a gene pool to maintain microbial functional…”
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Eukaryotic Phytoplankton Contributing to a Seasonal Bloom and Carbon Export Revealed by Tracking Sequence Variants in the Western North Pacific by Shiozaki, Takuhei, Hirose, Yuu, Hamasaki, Koji, Kaneko, Ryo, Ishikawa, Kazuo, Harada, Naomi

“…Greater diversity of eukaryotic phytoplankton than expected has been revealed recently through molecular techniques, but little is known about their temporal…”
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Temperature modulation alters the gut and skin microbial profiles of chum salmon (Oncorhynchus keta) by Ghosh, Subrata Kumar, Wong, Marty Kwok-Shing, Hyodo, Susumu, Goto, Shuji, Hamasaki, Koji

“…Fish-associated microbiota are an integral part to the health of the host fish. The ongoing climate changes including global warming of water may disrupt the…”
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Pilot study of a comprehensive resource estimation method from environmental DNA using universal D-loop amplification primers by Yoshitake, Kazutoshi, Yanagisawa, Kyohei, Sugimoto, Yuma, Nakamura, Hiroshi, Mizusawa, Nanami, Miya, Masaki, Hamasaki, Koji, Kobayashi, Takanori, Watabe, Shugo, Nishikiori, Kazuomi, Asakawa, Shuichi

“…Many studies have investigated the ability of environmental DNA (eDNA) to identify the species. However, when individual species are to be identified, accurate…”
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High temperature accelerates growth of aerobic anoxygenic phototrophic bacteria in seawater by Sato‐Takabe, Yuki, Hamasaki, Koji, Suzuki, Satoru

“…Temperature is an important controlling factor in the growth activity of all microorganisms. Aerobic anoxygenic phototrophic (AAP) bacteria actively grow in…”
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Arsenate and microbial dynamics in different phosphorus regimes of the subtropical Pacific Ocean by 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

“…•Arsenate and phosphate dynamics were investigated in the subtropical Pacific.•Western subtropical North Pacific was characterized as high arsenate:phosphate…”
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Feeding Ecology of Three Euphausiid Species in the North Pacific Ocean Inferred From 18S V9 Metabarcoding and Stable Isotope Analysis by Zhou, Fanyu, Hirai, Junya, Hamasaki, Koji, Horii, Sachiko, Tsuda, Atsushi

“…Euphausiids are abundant micronekton and important links between higher and lower trophic levels in marine ecosystems; however, their detailed diets cannot be…”
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