Search Results - "Kuwata, Akira"

Micro-size plankton abundance and assemblages in the western North Pacific Subtropical Gyre under microscopic observation by Kodama, Taketoshi, Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kuwata, Akira, Hasegawa, Daisuke

“…While primary productivity in the oligotrophic North Pacific Subtropical Gyre (NPSG) is changing, the micro-size plankton community has not been evaluated in…”
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A DNA metabarcoding approach for recovering plankton communities from archived samples fixed in formalin by Shiozaki, Takuhei, Itoh, Fumihiro, Hirose, Yuu, Onodera, Jonaotaro, Kuwata, Akira, Harada, Naomi

“…Plankton samples have been routinely collected and preserved in formalin in many laboratories and museums for more than 100 years. Recently, attention has…”
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Influence of Coastal Oyashio water on massive spring diatom blooms in the Oyashio area of the North Pacific Ocean by Kuroda, Hiroshi, Toya, Yuko, Watanabe, Tsuyoshi, Nishioka, Jun, Hasegawa, Daisuke, Taniuchi, Yukiko, Kuwata, Akira

“…•Massive spring blooms with Chl-a > 5 mg m−3 were linked to low-salinity (≤33.0) water.•Low-salinity water was associated with Coastal Oyashio water and its…”
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Seasonal and geographical distribution of near-surface small photosynthetic eukaryotes in the western North Pacific determined by pyrosequencing of 18S rDNA by Kataoka, Takafumi, Yamaguchi, Haruyo, Sato, Mayumi, Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kuwata, Akira, Kawachi, Masanobu

“…Abstract In this study, we investigated the distribution of small photosynthetic eukaryotes in the near-surface layer of the western North Pacific at four…”
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Development of a time-series shotgun metagenomics database for monitoring microbial communities at the Pacific coast of Japan by Yoshitake, Kazutoshi, Kimura, Gaku, Sakami, Tomoko, Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kakehi, Shigeho, Kuwata, Akira, Yamaguchi, Haruyo, Kataoka, Takafumi, Kawachi, Masanobu, Ikeo, Kazuho, Tan, Engkong, Igarashi, Yoji, Ohtsubo, Masafumi, Watabe, Shugo, Suzuki, Yutaka, Asakawa, Shuichi, Ishino, Sonoko, Tashiro, Kosuke, Ishino, Yoshizumi, Kobayashi, Takanori, Mineta, Katsuhiko, Gojobori, Takashi

“…Although numerous metagenome, amplicon sequencing-based studies have been conducted to date to characterize marine microbial communities, relatively few have…”
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Copepod community structure in the transition region of the North Pacific Ocean: Water mixing as a key driver of secondary production enhancement in subarctic and subtropical waters by Miyamoto, Hiroomi, Takahashi, Kazutaka, Kuroda, Hiroshi, Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kuwata, Akira, Kasai, Hiromi, Kakehi, Shigeho, Fuji, Taiki, Suyama, Satoshi, Tadokoro, Kazuaki

“…•North Pacific transition region copepod communities were examined in early summer.•The subarctic boundary functions as a major bioregional border between…”
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Global Distribution and Diversity of Marine Parmales by Ban, Hiroki, Endo, Hisashi, Team, The EukBank, Kuwata, Akira, Ogata, Hiroyuki

“…Parmales (Bolidophyceae) is a minor eukaryotic phytoplankton group, sister to diatoms, which exists as two distinct forms of unicellular organisms: silicified…”
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Diversity and oceanic distribution of the Parmales (Bolidophyceae), a picoplanktonic group closely related to diatoms by Ichinomiya, Mutsuo, dos Santos, Adriana Lopes, Gourvil, Priscillia, Yoshikawa, Shinya, Kamiya, Mitsunobu, Ohki, Kaori, Audic, Stéphane, de Vargas, Colomban, Noël, Mary-Hélène, Vaulot, Daniel, Kuwata, Akira

“…Bolidomonas is a genus of picoplanktonic flagellated algae that is closely related to diatoms. Triparma laevis , a species belonging to the Parmales, which are…”
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Metagenomic analysis provides functional insights into seasonal change of a non-cyanobacterial prokaryotic community in temperate coastal waters by Matsumoto, Kaoru, Sakami, Tomoko, Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kuwata, Akira, Kakehi, Shigeho, Engkong, Tan, Igarashi, Yoji, Kinoshita, Shigeharu, Asakawa, Shuichi, Hattori, Masahira, Watabe, Shugo, Ishino, Yoshizumi, Kobayashi, Takanori, Gojobori, Takashi, Ikeo, Kazuho

“…The taxonomic compositions of marine prokaryotic communities are known to follow seasonal cycles, but functional metagenomic insights into this seasonality is…”
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Depth-dependent transcriptomic response of diatoms during spring bloom in the western subarctic Pacific Ocean by Suzuki, Shigekatsu, Kataoka, Takafumi, Watanabe, Tsuyoshi, Yamaguchi, Haruyo, Kuwata, Akira, Kawachi, Masanobu

“…Diatoms play important roles in primary production and carbon transportation in various environments. Large-scale diatom bloom occurs worldwide; however,…”
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Spatial variation of bacterial community composition at the expiry of spring phytoplankton bloom in Sendai Bay, Japan by Sakami, Tomoko, Watanabe, Tsuyoshi, Kakehi, Shigeho, Taniuchi, Yukiko, Kuwata, Akira

“…In order to characterize how bacterial communities are propagated over spatial scales in a coastal area, the bacterial community composition was examined along…”
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Seasonal dynamics of the phytoplankton community in Sendai Bay, northern Japan by Taniuchi, Yukiko, Watanabe, Tsuyoshi, Kakehi, Shigeho, Sakami, Tomoko, Kuwata, Akira

“…Sendai Bay is located on the Pacific coast of northern Japan and suffered serious damage following the 2011 off the Pacific coast of Tohoku earthquake and…”
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Effects of silicon-limitation on growth and morphology of Triparma laevis NIES-2565 (Parmales, Heterokontophyta) by Yamada, Kazumasa, Yoshikawa, Shinya, Ichinomiya, Mutsuo, Kuwata, Akira, Kamiya, Mitsunobu, Ohki, Kaori

“…The order Parmales (Heterokontophyta) is a group of small-sized unicellular marine phytoplankton, which is distributed widely from tropical to polar waters…”
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Seasonal succession in the diatom community of Sendai Bay, northern Japan, following the 2011 off the Pacific coast of Tohoku earthquake by Watanabe, Tsuyoshi, Taniuchi, Yukiko, Kakehi, Shigeho, Sakami, Tomoko, Kuwata, Akira

“…Sendai Bay in northern Japan suffered serious damage from massive tsunamis generated by the 2011 off the Pacific coast of Tohoku earthquake. The physical…”
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Ontogenetic analysis of siliceous cell wall formation in Triparma laevis f. inornata (Parmales, Stramenopiles) by Yamada, Kazumasa, Katsura, Hirotaka, Noël, Mary‐Hélène, Ichinomiya, Mutsuo, Kuwata, Akira, Sato, Shinya, Yoshikawa, Shinya, Wetherbee, R.

“…Triparma laevis f. inornata is a unicellular alga belonging to the Bolidophyceae, which is most closely related to diatoms. Like diatoms, T. laevis f. inornata…”
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Phytoplankton distribution during the winter convective season in Sendai Bay, Japan by Kakehi, Shigeho, Ito, Shin-ichi, Kuwata, Akira, Saito, Hiroaki, Tadokoro, Kazuaki

“…We investigated the elevated chlorophyll-a (Chl-a) zone found along the coast in winter in Sendai Bay, Japan, using hydrographic observations and a…”
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Sequencing and analysis of the complete organellar genomes of Parmales, a closely related group to Bacillariophyta (diatoms) by Tajima, Naoyuki, Saitoh, Kenji, Sato, Shusei, Maruyama, Fumito, Ichinomiya, Mutsuo, Yoshikawa, Shinya, Kurokawa, Ken, Ohta, Hiroyuki, Tabata, Satoshi, Kuwata, Akira, Sato, Naoki

“…We sequenced the complete plastid and mitochondrial genomes of the unicellular marine phytoplankton Triparma laevis , belonging to the order Parmales…”
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Population dynamics of phytoplankton, heterotrophic bacteria, and viruses during the spring bloom in the western subarctic Pacific by Suzuki, Koji, Kuwata, Akira, Yoshie, Naoki, Shibata, Akira, Kawanobe, Kyoko, Saito, Hiroaki

“…We characterized the community composition of phytoplankton in the western subarctic Pacific from the pre-bloom to the decline phase of the spring bloom with…”
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Genome analysis of Parmales, the sister group of diatoms, reveals the evolutionary specialization of diatoms from phago-mixotrophs to photoautotrophs by Ban, Hiroki, Sato, Shinya, Yoshikawa, Shinya, Yamada, Kazumasa, Nakamura, Yoji, Ichinomiya, Mutsuo, Sato, Naoki, Blanc-Mathieu, Romain, Endo, Hisashi, Kuwata, Akira, Ogata, Hiroyuki

“…The order Parmales (class Bolidophyceae) is a minor group of pico-sized eukaryotic marine phytoplankton that contains species with cells surrounded by silica…”
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Bolidophyceae, a Sister Picoplanktonic Group of Diatoms – A Review by Kuwata, Akira, Yamada, Kazumasa, Ichinomiya, Mutsuo, Yoshikawa, Shinya, Tragin, Margot, Vaulot, Daniel, Lopes dos Santos, Adriana

“…Pico- and nano-phytoplankton (respectively, 0.2-2 and 2-20 µm in cell size) play a key role in many marine ecosystems. In this size range, Bolidophyceae is a…”
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