濵﨑 恒二 准教授・博士(農学)

研究テーマ

・海洋表面マイクロ層とエアロゾルの微生物学:生物活動と気候をつなぐフロンティア
・分子生物地理からの新海洋区系

【過去の研究テーマ】

主に活動している学会

・日本海洋学会
・日本水産学会
・日本微生物生態学会
・日本プランクトン学会
・American Society of Limnology and Oceanography
・International Society for Microbial Ecology

学生へのメッセージ

・スプーン一杯の海水
・知られざるミクロの食物連鎖「微生物ループ」
・海洋微生物生態学

【微生物の海】

 海の微生物についての読み物 (全77頁)

【大学院進学を希望する方へ】

著書

  • ・浜崎恒二・木暮一啓 編(2015)『水圏微生物学の基礎』恒星社厚生閣 pp.280
  • ・浜崎恒二(2014)「59微生物ループ」「66磯の香りと微生物」日本微生物生態学会(編)『環境と微生物の事典』朝倉書店 pp.432(分担執筆と編集)

総説・解説

  • ・浜崎恒二 (2016)「細菌プランクトンの動態と光栄養」戸田龍樹 編 月刊海洋特集:光とプランクトン研究—現状と展望—, 海洋出版
  • ・浜崎恒二, 石坂丞二, 齊藤宏明, 杉崎宏哉, 鈴木光次, 高橋一生, & 千葉早苗. (2013) 「海洋学の10年展望 (Ⅲ)」海の研究 (Oceanography in Japan), 22(6), 253-272.
  • ・浜崎恒二 (2012)「光エネルギーをめぐる複雑系:海洋における微生物群集の動態と光栄養」遺伝66巻 第4号 432-437
  • ・谷口亮人,金子亮,浜崎恒二 (2011)「メタゲノミクスで見る微生物多様性」遺伝65巻 第3号 61-67
  • ・浜崎恒二 (2007)「海洋における光合成細菌の分布と微生物海洋学への展望」日本微生物生態学会誌 22:5-14
  • ・浜崎恒二 (2006)「細菌群集の現存量および群集組成」海洋生命系のダイナミクス・シリーズ第3巻『海洋生物の連鎖-生命は他の生命および環境とどのように連携しているか』東海大学出版会
  • ・浜崎恒二 (2003)「ブロモデオキシウリジンを利用した海洋細菌群集の増殖解析」大和田紘一 編 月刊海洋号外:海洋微生物II—基礎、応用研究とその利用, 海洋出版 p25-32.

主な研究論文

  1. Kazi Md. Azimuddin, Junya Hirai, Shotaro Suzuki, Md. Nurul Haider, AikoTachibana, Keigo Watanabe, Minoru Kitamura, Fuminori Hashihama, Kazutaka Takahashi, Koji Hamasaki (2016) Possible association of diazotrophs with marine zooplankton in the Pacific Ocean. Microbiology Open in press
  2. Takuhei Shiozaki, Minoru Ijichi, Kazuo Isobe, Fuminori Hashihama, Ken-ichi Nakamura, Makoto Ehama, Ken-ichi Hayashizaki, Kazutaka Takahashi, Koji Hamasaki, and Ken Furuya (2016) Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean. ISME J in press
  3. Ryo Kaneko, Toshi Nagata, Shotaro Suzuki, Koji Hamasaki (2016) Depth-dependent and seasonal variability in archaeal community structure in the subarctic and subtropical western North Pacific. J. Oceanogr. 72: 427-438
  4. Koji Hamasaki, Akito Taniguchi, Yuya Tada, Ryo Kaneko, and Takeshi Miki (2016) Active populations of rare microbes in oceanic environments as revealed by bromodeoxyuridine incorporation and 454 tag sequencing. Gene 576:650-656
  5. Yingshun CUI, Shotaro Suzuki, Yuko Omori, Shu-Kuan Wong, Minoru Ijichi, Ryo Kaneko, Sohiko Kameyama, Hiroshi Tanimoto, and Koji Hamasaki (2015) Abundance and distribution of dimethylsulfoniopropionate-degrading genes and the corresponding bacterial community structure at dimethyl sulfide hotspots in the tropical and subtropical Pacific Ocean. Appl Environ Microbiol 81:4184 – 4194
  6. Shu-Kuan Wong; Sanghwa Park; Jung-Sook Lee; Keun Chul Lee; Hiroshi Xavier Chiura; Kazuhiro Kogure; Koji Hamasaki (2015) Fabibacter misakiensis sp. nov., a novel marine bacterium isolated from the coastal surface water in Japan. International Journal of Systematic and Evolutionary Microbiology 65:3276-3280
  7. Akiko Tomaru, Ryota Sasaki, Hidekazu Miyahara, Akitoshi Okino, Koji Hamasaki (2014) Settlement of planulae of the Moon jellyfish Aurelia aurita onto hydrophilic polycarbonate plates modified by atmospheric plasma treatment. PLoS ONE 9(1): e85569. doi:10.1371/journal.pone.0085569
  8. Tada, Y., Makabe, R., Kasamatsu-Takazawa, N., Taniguchi, A. and Hamasaki, K., (2013) Growth and distribution patterns of Roseobacter/Rhodobacter, SAR11, and Bacteroidetes lineages in the Southern Ocean. Polar Biology 36:691-704
  9. Idichi, M. and Hamasaki K. (2011) Community structure of ammonia-oxidizing marine archaea differs by depth of collection and temperature of cultivation. J. Oceanogr. 67:739–745
  10. Taniguchi, A., Tada, Y. and Hamasaki, K. (2011) Seasonal variations in the community structure of actively growing bacteria in neritic waters of Hiroshima Bay, western Japan. Microb. Environ. 26(4):339-46
  11. Yuya Tada, Akito Taniguchi, Ippei Nagao, Takeshi Miki, Mitsuo Uematsu, Atsushi Tsuda, and Koji Hamasaki. (2011) Differing Growth Responses of Major Phylogenetic Groups of Marine Bacteria to Natural Phytoplankton Blooms in the Western North Pacific Ocean. Appl Environ Microbiol 77:4055-4065
  12. Tada, Y., A. Taniguchi, and Hamasaki, K. (2010). Phylotype-specific growth rates of marine bacteria measured by bromodeoxyuridine immunocytochemistry and fluorescence in situ hybridization. Aquat. Microb. Ecol. 59:229-238
  13. Tada, Y., Taniguchi, A. and Hamasaki, K. (2009) "Phylotype-specific productivity of marine bacterial populations in eutrophic seawater, as revealed by bromodeoxyuridine immunocytochemistry combined with fluorescence in situ hybridization" Microb. Environ. 24:315-321
  14. Kamiyama, T., Yamauchi, H., Iwai, T. and Hamasaki, K. (2009) "Seasonal variations in abundance and biomass of picoplankton in an oyster farming area of northern Japan" Plankton and Benthos Research, 4: 62-71
  15. Taniguchi, A. and Hamasaki, K. (2008) "Community structures of actively growing bacteria shift along a north-south transect in the western North Pacific." Environ Microb.10:1007-1017
  16. Hamasaki, K., Taniguchi, A., Tada, Y., Long, RA and Azam, F. (2007) "Actively growing bacteria in the Inland Sea of Japan identified by combined bromodeoxyuridine immunocapture and denaturing gradient gel electrophoresis." Appl. Environ. Microbiol. 73, 2787-2798
  17. Hamasaki, K (2006) Comparison of bromodeoxyuridine immunoassay with tritiated thymidine radioassay for measuring bacterial productivity in oceanic waters. J. Oceanogr. 62:793-799
  18. Hamasaki, K., Long, RA and Azam, F. (2004) "Individual cell growth rates of marine bacteria, measured by bromodeoxyuridine incorporation." Aquat Microb Ecol 35: 217-227
  19. Hamasaki, K., Takahashi, T. and Uye, S. (2003) "Accumulation of paralytic shellfish poisoning toxins in marine planktonic copepods during a bloom of the toxic dinoflagellate Alexandrium tamarense in the Hiroshima Bay, western Japan." Mar Biol 143:981-988
  20. Hamasaki, K., Horie, M., Tokimitsu, S., Toda, T. and Taguchi, S. (2001) "Variability in toxicity of the dinoflagellate Alexandrium tamarense isolated from Hiroshima Bay, western Japan, as a reflection of changing environmental conditions." J. Plankton Res. 23: 271-278
  21. Hamasaki, K., Satoh, F., Kikuchi, T., Toda, T. and Taguchi, S. (1999) "Biomass and production of cyanobacteria in a coastal water of Sagami Bay, Japan" J. Plankton Res. 21: 1583-1591
  22. Hamasaki, K., Ikeda, M., Ishikawa, M., Shirasawa, K. and Taguchi, T. (1998) "Seasonal variability of size-fractionated chlorophyll a in Monbetsu Harbor, Hokkaido, Japan." Plankton Biology and Ecology 45: 151-158
  23. Hamasaki, K., Kogure, K., Ohwada, K. (1996) "Improved method of tissue culture bioassay for tetrodotoxin." Fish. Sci. 62: 825-829
  24. Hamasaki, K., Kogure, K., Ohwada, K. (1996) "A biological method for the quantitative measurment of tetrodotoxin (TTX) : Tissue culture bioassay in combination with a water soluble tetrazolium salt." Toxicon 34: 490-495
  25. Hamasaki, K., Kogure, K., Noguchi, T., Shida, Y. and Ohwada, K. (1994) "Tetrodotoxin in sinking particles from coastal waters." Mar. Biol. 118: 761-765
  • 大学院進学を希望する方へ
  • 東京大学
  • 東京大学大気海洋研究所
  • 東京大学大学院農学生命科学研究科
  • 東京大学大学院新領域創成科学研究科
  • 日本微生物生態学

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