• Saitoh Masafumi, Nishizawa Manabu, Ozaki Kazumi, Ikeda Masayuki, Ueno Yuichiro, Takai Ken, Isozaki Yukio. Nitrogen isotope record from a mid‐oceanic paleo‐atoll limestone to constrain the redox state of the Panthalassa ocean in the Capitanian (Late Guadalupian, Permian). Paleoceanography and Paleoclimatology, 2023, 38, 6, doi: 10.1029/2022PA004573
• Manabu Nishizawa. Abiotic path of Archean nitrogen. Nature Geoscience, 2022, 15, 12, p. 962-963, doi: 10.1038/s41561-022-01072-4
• Yohei Matsui , Wataru Fujisaki, Junji Torimoto, Keiko Tanaka, Manabu Nishizawa, Masahiro Yamamoto, Shinsuke Kawagucci, Yasuhiro Shimane, Mika Tei, Katsuyuki Uematsu, Akihiro Tame, Yosuke Kawahito, Toshihiro Kameda. Gold-coated silver capsule for elemental analyzer-isotope ratio mass spectrometer: Robust against pretreatment of rock material for organic carbon and δ13C analyses. GEOCHEMICAL JOURNAL, 2021, 55, 3, p. e1-e8, doi: 10.2343/geochemj.2.0626
• Nishizawa Manabu, Saito Takuya, Makabe Akiko, Ueda Hisahiro, Saitoh Masafumi, Shibuya Takazo, Takai Ken. Stable Abiotic Production of Ammonia from Nitrate in Komatiite-Hosted Hydrothermal Systems in the Hadean and Archean Oceans. Minerals, 2021, 11, p. 321, doi: 10.3390/min11030321
• Manabu Nishizawa, Yohei Matsui, Konomi Suda, Takuya Saito, Takazo Shibuya, Ken Takai, Sunao Hasegawa, Hajime Yano. Experimental Simulations of Hypervelocity Impact Penetration of Asteroids into the Terrestrial Ocean and Benthic Cratering. JOURNAL OF GEOPHYSICAL RESEARCH - Planets, 2020, 125, 12, doi: 10.1029/2019je006291
• Yoichi Usui, Masafumi Saitoh, Kenichiro Tani, Manabu Nishizawa, Takazo Shibuya, Chie Kato, Tomoyo Okumura, Teruhiko Kashiwabara. Identification of paleomagnetic remanence carriers in ca. 3.47 Ga dacite from the Duffer Formation, the Pilbara Craton. PHYSICS OF THE EARTH AND PLANETARY INTERIORS, 2020, 299, doi: 10.1016/j.pepi.2019.106411
• Satoshi Hiraoka, Miho Hirai, Yohei Matsui, Akiko Makabe, Hiroaki Minegishi, Miwako Tsuda, Juliarni, Eugenio Rastelli, Roberto Danovaro, Cinzia Corinaldesi, Tomo Kitahashi, Eiji Tasumi, Manabu Nishizawa, Ken Takai, Hidetaka Nomaki & Takuro Nunoura. Microbial community and geochemical analyses of trans-trench sediments for understanding the roles of hadal environments. ISME Journal, 2019, 14, p. 740-756, doi: 10.1038/s41396-019-0564-z
• Eugenio Rastelli, Cinzia Corinaldesi, Antonio Dell'Anno, Michael Tangherlini, Marco Lo Martire, Manabu Nishizawa, Hidetaka Nomaki, Takuro Nunoura and Danovaro Roberto. Drivers of bacterial α- and β-diversity and functioning in subsurface hadal sediments. Frontiers in Microbiology, 2019, 10, doi: 10.3389/fmicb.2019.02609
• Satoshi Okada, Chong Chen, Tomo-o Watsuji, Manabu Nishizawa, Yohey Suzuki, Yuji Sano, Dass Bissessur, Shigeru Deguchi, Ken Takai. The making of natural iron sulfide nanoparticles in a hot vent snail. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116, 41, p. 20376-20381, doi: 10.1073/pnas.1908533116
• Nishizawa Manabu, Tsuchiya Yuki, Du Wei, Sawaki Yusuke, Matsui Yohei, Wang Yue, Han Jian, Komiya Tsuyoshi. Shift in limiting nutrients in the late Ediacaran-early Cambrian marine systems of South China.. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2019, 530, p. 281-299, doi: 10.1016/j.palaeo.2019.05.036
• Takuro Nunoura, Manabu Nishizawa, Miho Hirai, Shigeru Shimamura, Phurt Harnvoravongchai, Osamu Koide, Yuki Morono, Toshiaki Fukui, Fumio Inagaki, Junichi Miyazaki, Yoshihiro Takaki, Ken Takai. Microbial Diversity in Sediments from the Bottom of the Challenger Deep, the Mariana Trench. MICROBES AND ENVIRONMENTS, 2018, 33, 2, p. 186-194, doi: 10.1264/jsme2.ME17194
• Akira Ijiri, Fumio Inagaki, Yusuke Kubo, Rishi R. Adhikari, Shohei Hattori,Tatsuhiko Hoshino, Hiroyuki Imachi, Shinsuke Kawagucci, Yuki Morono, Yoko Ohtomo, Shuhei Ono, Sanae Sakai, Ken Takai, Tomohiro Toki, David T. Wang, Marcos Y. Yoshinaga, Gail L. Arnold, Juichiro Ashi, David H. Case, Tomas Feseker, Kai-Uwe Hinrichs, Yojiro Ikegawa, Minoru Ikehara, Jens Kallmeyer, Hidenori Kumagai, Mark A. Lever, Sumito Morita, Ko-ichi Nakamura, Yuki Nakamura, Manabu Nishizawa, Victoria J. Orphan, Hans Roy, Frauke Schmidt, Atsushi Tani, Wataru Tanikawa, Takeshi Terada, Hitoshi Tomaru, Takeshi Tsuji, Urumu Tsunogai, Yasuhiko T. Yamaguchi, Naohiro Yoshida. Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex. Science Advances, 2018, 4, 6, doi: 10.1126/sciadv.aao4631
• Akira Ijiri, Fumio Inagaki, Yusuke Kubo, Rishi R Adhikari, Shohei Hattori, Tatsuhiko Hoshino, Hiroyuki Imachi, Shinsuke Kawagucci, Yuki Morono, Yoko Ohtomo, Shuhei Ono, Sanae Sakai, Ken Takai, Tomohiro Toki, David T Wang, Marcos Y Yoshinaga, Gail L Arnold, Juichiro Ashi, David H Case, Tomas Feseker, Kai-Uwe Hinrichs, Yojiro Ikegawa, Minoru Ikehara, Jens Kallmeyer, Hidenori Kumagai, Mark A Lever, Sumito Morita, Ko-ichi Nakamura, Yuki Nakamura, Manabu Nishizawa, Victoria J Orphan, Hans Røy, Frauke Schmidt, Atsushi Tani, Wataru Tanikawa, Takeshi Terada, Hitoshi Tomaru, Takeshi Tsuji, Urumu Tsunogai, Yasuhiko T Yamaguchi, Naohiro Yoshida. Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex. Science Advances, 2018, 4, 6, doi: 10.1126/sciadv.aao4631
• Aoyama, S., Nishizawa, M., Miyazaki, J., Shibuya, T., Ueno, Y., and Takai, K. Recycled Archean sulfur in the mantle wedge of the Mariana Forearc and microbial sulfate reduction within an extremely alkaline serpentine seamount. EARTH AND PLANETARY SCIENCE LETTERS, 2018, 491, p. 109-120, doi: 10.1016/j.epsl.2018.03.002
• Shinnosuke Aoyama, Manabu Nishizawa, Junichi Miyazaki, Takazo Shibuya, Yuichiro Ueno, Ken Takai. Recycled Archean sulfur in the mantle wedge of the Mariana Forearc and microbial sulfate reduction within an extremely alkaline serpentine seamount. EARTH AND PLANETARY SCIENCE LETTERS, 2018, 491, p. 109-120, doi: 10.1016/j.epsl.2018.03.002
• Kato S, Sakai S, Hirai M, Tasumi E, Nishizawa M, Suzuki K, Takai K. Long-term cultivation and metagenomics reveal ecophysiology of previously uncultivated thermophiles involved in biogeochemical nitrogen cycle. MICROBES AND ENVIRONMENTS, 2018, doi: 10.1264/jsme2.ME17165
• Kato, S., Sakai, S., Hirai, M., Tasumi, E., Nishizawa, M., Suzuki, K., and Takai, K.. Long-term cultivation and metagenomics reveal ecophysiology of previously uncultivated thermophiles involved in biogeochemical nitrogen cycle. MICROBES AND ENVIRONMENTS, 2018, doi: https://doi.org/10.1264/jsme2.ME17165
• Nishizawa Manabu, Saitoh Masafumi, Matsui Yohei, Usui Yoichi, Shibuya Takazo,. Removal of organic contaminants from iron sulfides as a pretreatment for mineral-mediated chemical synthesis under prebiotic hydrothermal conditions. GEOCHEMICAL JOURNAL, 2017, 51, 6, p. 495-505, doi: 10.2343/geochemj.2.0481
• S Kawagucci, J Miyazaki, T Noguchi, K Okamura, T Shibuya, T Watsuji, M Nishizawa, H Watanabe, K Okino, N Takahata, Y Sano, K Nakamura, A Shuto, M Abe, Y Takaki, T Nunoura, M Koonjul, M Singh, G Beedessee, M Khishma, V Bhoyroo, D Bissessur, LS Kumar, D Marie, K Tamaki, K Takai. Fluid chemistry in the Solitaire and Dodo hydrothermal fields of the Central Indian Ridge. Geofluids, 2016, doi: DOI:10.1111/gfl.12201
• Takuya Saito, Takazo Shibuya, Tsuyoshi Komiya, Kouki Kitajima, Shinji Yamamoto, Manabu Nishizawa, Yuichiro Ueno, Masanori Kurosawa, Shigenori Maruyama. PIXE and microthermometric analyses of fluid inclusions in hydrothermal quartz from the 2.2 Ga Ongeluk Formation, South Africa: Implications for ancient seawater salinity. Precambrian Research, 2016, 286, p. 337-351
• Takuro Nunoura, Miho Hirai, Yukari Yoshida-Takashima, Manabu Nishizawa, Shinsuke Kawagucci, Taichi Yokokawa, Junichi Miyazaki, Osamu Koide, Hiroko Makita, Yoshihiro Takaki, Michinari SUNAMURA, Ken Takai. Distribution and niche separation of planktonic microbial communities in the water columns from the surface to the hadal waters of the Japan Trench under the eutrophic ocean. Frontiers in Microbiology, 2016, 7, doi: doi: 10.3389/fmicb.2016.01261
• Nishizawa Manabu, Sakai Sanae, Konno Uta, Nakahara Nozomi, Takaki Yoshihiro, Saito Yumi, Imachi Hiroyuki, Tasumi Eiji, Makabe Akiko, Koba Keisuke, Takai Ken. Nitrogen and Oxygen Isotope Effects of Ammonia Oxidation by Thermophilic Thaumarchaeota from a Geothermal Water Stream.. Appl Environ Microbiol, 2016, 82, 15, p. 4492-4504, doi: 10.1128/AEM.00250-16
• Fujisaki, W., Sawaki, Y., Yamamoto, S., Sato, T., Nishizawa, M., Windley, B.F. and Maruyama, S.. Tracking the redox history and nitrogen cycle in the pelagic Panthalassic deep ocean in the Middle Triassic to Early Jurassic: Insights from redox-sensitive elements and nitrogen isotopes. Palaeogeography, Palaeoclimatology, Palaeoecology, 2016, 449, p. 397-420
• The Marine Environments encompassing the Neoproterozoic glaciations: Evidence from C, Sr and Fe isotope ratios in the Hecla Hoek Supergroup in Svalbard.. Precambrian Research, 2015, 263, p. 19-42, doi: http://dx.doi.org/10.1016/j.precamres.2015.03.007
• In-situ iron isotope analysis of pyrite and organic carbon/nitrogen isotope ratios from the Middle Proterozoic sediments. 日本地球惑星科学連合2015年大会, 2015
• Tahata, M., Y. Sawaki, Ueno, Y., Nishizawa, M., Yoshida, N., Ebisuzaki, T., Komiya, T. and Maruyama, S.. Three-step modernization of the ocean: Modeling of carbon cycles and the revolution of ecological systems in the Ediacaran/Cambrian periods.. Geoscience Frontiers, 2015, 6, p. 121-136
• Saitoh, M., Ueno, Y., Isozaki, Y., Nishizawa, M., Shozugawa, K., Kawamura, T., Yao, J., Ji, Z., Takai, K., Yoshida, N., and Matsuo, M.. Isotopic evidence for water-column denitrification and sulfate reduction at the end-Guadalupian (Middle Permian). Global Planetary Change, 2014, 123, p. 110-120
• Saitoh, M., Y. Ueno, Nishizawa, M., Isozaki, Y., Takai, K., Yao, J. and Ji, Z.. Nitrogen isotope chemostratigraphy across the Permian-Triassic boundary at Chaotian, Sichuan, South China.. Journal of Asian Earth Sciences, 2014, 93, p. 113-128, doi: http://dx.doi.org/10.1016/j.jsea
• 西澤学. 生命の初期進化と物質動態に関する地球化学的、微生物学的研究. 地球化学, 2014, 48, p. 169-186
• Manabu Nishizawa, Junichi Miyazaki, Akiko Makabe, Keisuke Koba, Ken Takai. Physiological and isotopic characteristics of nitrogen fixation by hyperthermophilic methanogens: Key insights into nitrogen anabolism of the microbial communities in Archean hydrothermal systems. GEOCHIMICA ET COSMOCHIMICA ACTA, 2014, 138, p. 117-135, doi: 10.1016/j.gca.2014.04.021
• Katsunori Yanagawa, Anja Breuker, Axel Schippers, Manabu Nishizawa, Akira Ijiri, Miho Hirai, Yoshihiro Takaki, Michinari Sunamura, Tetsuro Urabe, Takuro Nunoura, Ken Takai. Microbial Community Stratification Controlled by the Subseafloor Fluid Flow and Geothermal Gradient at the Iheya North Hydrothermal Field in the Mid-Okinawa Trough (Integrated Ocean Drilling Program Expedition 331). APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 2014, 80, 19, p. 6126-6135, doi: 10.1128/AEM.01741-14
• Aoyama, S., Nishizawa, M., Takai, K., Ueno, Y.. Microbial sulfate reduction within the Iheya North subseafloor hydrothermal system constrained by quadruple sulfur isotopes. Earth and Planetary Science Letters, 2014, 398, p. 113-126
• Takuro Nunoura, Manabu Nishizawa, Tohru Kikuchi, Taishi Tsubouchi, Miho Hirai, Osamu Koide, Junichi Miyazaki, Hisako Hirayama, Keisuke Koba, Ken Takai. Molecular biological and isotopic biogeochemical prognoses of the nitrification-driven dynamic microbial nitrogen cycle in hadopelagic sediments. Environmental Microbiology, 2013, 15, 11, p. 3087-3107, doi: doi:10.1111/1462-2920.12152
• Kikumoto, R., Tahata, M., Nishizawa, M., Sawaki, Y., Maruyama, S., Degan, S., Jiang, H., Komiya, T., Takai, K., and Ueno, Y.. Nitrogen isotope chemostratigraphy of the Ediacaran and Early Cambrian platform sequence at Three Gorges, South China. Gondwana Research, 2013, 25, 3, p. 1057-1069, doi: 10.1016/j.gr.2013.06.002
• Nunoura, T., Nishizawa, M., Kikuchi, T., Tsubouchi, T., Hirai, M., Koide, T., Miyazaki, J., Hirayama, H., Koba, K., and Takai, K.. Molecular biological and isotopic biogeochemical prognoses of the nitrification-driven dynamic microbial nitrogen cycle in hadopelagic sediments. Environmental Microbiology, 2013, 15, 11, p. 3087-3107
• Nishizawa, M., Koba, K., Makabe, A., Yoshida, N., Kaneko, M., Hirao, S., Ishibashi, J., Yamanaka, T., Shibuya, T., Kikuchi, T., Hirai, M., Miyazaki, J., Nunoura, T., and Takai, K.. Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream. Geochimica et Cosmochimica Acta, 2013, 113, p. 152-173
• Nishizawa, M., Koba, K., Makabe, A., Yoshida, N., Kaneko, M., Hirao, S., Ishibashi, J., Yamanaka, T., Shibuya, T., Kikuchi, T., Hirai, M., Miyazaki, J., Nunoura, T., and Takai, K.. Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream. Geochimica et Cosmochimica Acta, 2013, 113, p. 152-173, doi: 10.1016/j.gca.2013.03.027
• Tomo-o Watsuji mail, Manabu Nishizawa, Yuki Morono, Hisako Hirayama, Shinsuke Kawagucci, Naoto Takahata, Yuji Sano, Ken Takai. Cell-Specific Thioautotrophic Productivity of Epsilon-Proteobacterial Epibionts Associated with Shinkaia crosnieri. PLOS One, 2012, 7, 10, p. e46282, doi: 10.1371
• Yoshiya, K., Nishizawa, M., Sawaki, Y., Ueno, Y., Komiya, T., Yamada, K., Yoshida, N., Hirata, T., Wada, H., Maruyama, S.. In situ iron isotope analyses of pyrite and organic carbon isotope ratios in the Fortescue Group: Metabolic variations of a Late Archean ecosystem.. Precambrian Research, 2012, 212-213, p. 169-193
• Carbon and nitrogen assimilation of deep subseafloor cells. Proceedings of the National Academy of Sciences of the United States of America, 2011, 108, 45, p. 18295-18300, doi: 10.1073/pnas.1107763108
• Igisu, M., Takai, K., Ueno, Y., Nishizawa, M., Nunoura, T., Hirai, M., Kaneko, M., Naraoka, H., Shomojima, M., Hori, K., Nakajima, S., Ohta, H., Maruyama, S., and Isozaki, Y.. Domain-level identification and quantification of relative prokaryotic cell abundance in microbial communities by Micro-FTIR spectroscopy. Environ. Microbiol. Rep., 2011, 4, 1, p. 42-49, doi: DOI: 10.1111/j.1758-2229.2011.00

• Manabu Nishizawa, Junichi Miyazaki, Ken Takai. Physiological and isotopic characteristics of nitrogen fixation by hyperthermophilic and thermophilic methanogens: Insight into nitrogen anabolism of the subseafloor microbial communities in the early Earth. The International Biogeoscience Conference Nagoya 2013, 2013
• 西澤学、布浦拓郎、平井美穂、真壁明子、柳川勝紀、野牧秀隆、北橋倫、木庭啓介、高井研. 海溝堆積物における窒素動態と微生物生態. 第４回日韓微生物生態シンポジウム, 2012

• 西澤学, 宮崎淳一, 高井研. 原始海底熱水系における超好熱メタン菌の窒素固定. 地球惑星科学連合2014年大会, 2014
• 布浦拓郎・平井美穂・吉田ゆかり・西澤学・川口慎介・牧田寛子・宮崎淳一、 砂村倫成、高井研. 日本海溝横断調査から見えた海溝生命圏の成り立ち. 日本地球惑星科学連合合同大会, 2014
• 西澤学, 平井美穂, 野牧秀隆, 柳川勝紀,布浦拓郎 眞壁明子, 木庭啓介. （超）深海堆積物における窒素動態と微生物生態. 地球惑星科学連合2014年大会, 2014
• Masafumi Saitoh; Yuichiro Ueno; Manabu Nishizawa; Yukio Isozaki; Ken Takai. Nitrogen isotope chemostratigraphy across the Permian-Triassic boundary at Chaotian, Sichuan, South China. 日本地球惑星科学連合連合大会2015年大会, 2014
• 布浦 拓郎・平井 美穂・西澤 学・Juliarni・野牧 秀隆・菅 美・田角 英二・宮崎 淳一・眞壁 明子・木庭 啓介・高井 研. 深海堆積物表層における硝化菌・嫌気的アンモニア酸化菌の 分布. 日本地球惑星科学連合合同大会, 2014
• 平井美穂、西澤学、野牧秀隆、柳川勝紀、北橋倫、小出修、田角栄二、菊池徹、平山仙子、宮崎淳一、木庭啓介、布浦拓郎、高井研. 小笠原海溝底及び海溝に近接した深海平原堆積物中の窒素循環　~深海堆積物中の窒素循環モデルを問い直す~. ブルーアースシンポジウム2013, 2013
• 西澤 学(ｼｽﾃﾑ地球ﾗﾎﾞ) , 青山 慎之介(東工大) , 上野 雄一郎(ｼｽﾃﾑ地球ﾗﾎﾞ) , 高井 研(BioGeos). Chemical and isotopic compositions of sulfur and nitrogen in subseafloor hydrothermal environments at the Iheya North field in the mid-Okinawa Trough. IODP331 2nd Post-cruise meeting, 2012
• 西澤 学(ｼｽﾃﾑ地球ﾗﾎﾞ) , 布浦 拓郎(BioGeos) , 平井 美穂(BioGeos) , 真壁 明子(東京農工大学) , 柳川 勝紀(東京大学) , 野牧 秀隆(BioGeos) , 北橋 倫(東京大学) , 木庭 啓介(東京農工大学) , 高井 研(BioGeos). 超深海堆積物におけるアンモニア酸化と脱窒. 2012年度日本地球化学会年会, 2012
• Nunoura Takuro, Sunamura Michinari, Hirai Miho, Miyazaki Junichi, Makabe Akiko, Yoshida Yukari, Nishizawa Manabu, Inoue Kazuhiro, Kikuchi Tohru, Koide Osamu, Ueno Yuichiro, Takai Ken. Depth profiles of the marine ammonia-oxidizing Thaumarchaea from sea surface to bottom of the trenches. Molecular Biology of Archaea 3, 2012
• 布浦 拓郎, 西澤 学, 菊池 徹, 平井 美穂, 宮崎 淳一,木庭 啓介, 高井 研. 超深海底堆積物における窒素循環. Japan Geoscience Union Meeting 2012, 2012
• 菊本 亮平, 西澤 学. 田畑 美幸. 澤木 佑介. 高井 研. 上野 雄一郎. 小宮 剛. エディアカラ紀からカンブリア紀にかけての窒素循環の変遷. 日本地球惑星科学連合2012年大会, 2012
• Morono Y., Terada T., Nishizawa M., Ito M., Hillion F., Takahata N., Sano Y., and Inagaki F. Carbon and nitrogen assimilation in deep subseafloor microbial cells. Microenergy 2012, 2nd International Workshop on Microbial Life under Extreme Energy Limitation, 2012
• 和辻 智郎、西澤 学、諸野 祐樹、平山 仙子、佐野 有司、高畑 直人、高井 研. ゴエモンコシオリエビと外部共生するεプロテオバクテリアの化学独立栄養生産性の細胞特異的検出. 日本農芸化学会2012年度大会, 2012
• スヴァールバル諸島の後期原生代の地層に保存された表層環境変動. 日本地質学会第118年学術大会, 2011
• Unique nitrogen cycle in the hadopelagic sediments at the bottom of the Ogasawara Trench (depth of 9760m). 12th Symposium on Aquatic Microbial Ecology (SAME 12), 2011

• 深海から分離した従属栄養性微小鞭毛虫の増殖温度. 日本微生物生態学会第30回大会, 2015
• Masafumi Saitoh, Yuichiro Ueno, Manabu Nishizawa, Yukio Isozaki, Ken Takai, Jianxin Yao, Zhansheng Ji. Nitrogen isotope chemostratigraphy across the Permian-Triassic boundary at Chaotian, Sichuan, South China. the 2014 AGU Fall Meeting, 2014
• 西澤学、酒井早苗、高井研. 好熱性アーキアによるアンモニア酸化の窒素・酸素同位体分別. 2014年度日本地球化学会年会, 2014
• Global biogeography and population structure of deep-sea vent chemolithoautotrophs inferred from multilocus sequence analysis (MLSA). 15th International Symposium on Microbial Ecology (15th ISME), 2014
• 渋谷岳造、上野雄一郎、小宮剛、 西澤学、北島宏輝、山本伸次、齋藤拓也、高井研、吉田尚弘、丸山茂徳、ラッセルマイケル. 原生代前期全球凍結時の大気二酸化炭素分圧. 日本地球惑星科学連合2014年大会, 2014
• 宮崎淳一，柳川勝紀，阿部真理子，中村謙太郎，西澤学，高井研. 熱水チムニーにおける微生物による水素消費活性の算出. Blue Earth 2014, 2014
• 美野 さやか(北海道大学大学院水産学研究科) , 中川 聡(北海道大学) , 牧田 寛子(BioGeos) , 宮崎 淳一(BioGeos) , 和辻 智郎(BioGeos) , 渡部 裕美(BioGeos) , 西澤 学(ｼｽﾃﾑ地球ﾗﾎﾞ) , 中村 謙太郎(ｼｽﾃﾑ地球ﾗﾎﾞ) , 布浦 拓郎(BioGeos) , 井町 寛之(BioGeos) , 山本 正浩(BioGeos) , 高井 研(BioGeos) , 加藤 真悟(理化学研究所) , 小島 茂明(東京大学大気海洋研究所) , 島 伸和(神戸大学) , 石橋 純一郎(九州大学大学院) , 澤辺 智雄(北海道大学). 深海底熱水活動域に生息する化学合成微生物の分布様式と集団構造の解明. ブルーアース2014, 2014
• 平井 美穂、布浦拓郎、吉田ゆかり、西澤学、川口慎介、宮崎淳一、牧田寛子、小出修、高井研. 日本海溝横断~水塊中の硝化菌群集構造~. 微生物生態学会2013, 2013
• Aoyama, S., Nishizawa, M., Takai, K., Ueno, Y.. Microbial sulfate reduction within the Iheya North subseafloor hydrothermal system constrained by quadruple sulfur isotopes. AGU Fall meeting 2012, 2012
• Nishizawa, M., Takai, K.. Compositional and isotopic properties of nitrogen in subseafloor hydrothermal environments at the Iheya North field in the mid-Okinawa Trough. AGU Fall meeting 2012, 2012
• Miho Hirai, Manabu Nishizawa, Hidetaka Nomaki, Katsunori Yanagawa,Tomo Kitahashi, Osamu Koide, Eiji Tasumi, Tohru Kikuchi, Hisako Hirayama, Junichi Miyazaki, Keisuke Koba, Takuro Nunoura, Ken Takai. Sedimentary nitrogen cycles in the Ogasawara Trench and abyssal plain. 第28回微生物生態学会, 2012
• Nunoura Takuro, Sunamura Michinari, Hirai Miho, Miyazaki Junichi, Makabe Akiko, Yoshida Yukari, Nishizawa Manabu, Inoue Kazuhiro, Kikuchi Tohru, Koide Osamu, Ueno Yuichiro, Takai Ken. Microbial diversity and ecosystem in hadopelagic waters and sediments: waters and sediments in the Challenger Deep, and sediments in the Ogasawara Trench. Gordon Conference Marine Microbes, 2012
• 澤木 佑介, 田畑 美幸, 西澤 学, 小宮 剛, 平田 岳史, 丸山 茂徳. 溶存鉄に富んだエディアカラ紀海洋. 日本地球惑星科学連合2012年大会, 2012
• 青山 慎之介(東工大) , 西澤 学(ｼｽﾃﾑ地球ﾗﾎﾞ) , 高井 研(BioGeos) , 上野 雄一郎(ｼｽﾃﾑ地球ﾗﾎﾞ). 四種硫黄同位体から制約した伊平屋北海底下熱水系での微生物硫酸還元活動. 日本地球惑星科学連合2012年大会, 2012

KAKENHI (Grants-in- Aid for Scientific Research)

• 2015-2017　基盤研究（B）　「炭酸塩からよむ古海洋の硝酸：N同位体比の復元」　機構代表の分担者
• 2015-2017　基盤研究（B）　「雲母から読む原始海洋のアンモニア：濃度と窒素同位体比の復元」　機関代表者
• 2015-2017　基盤研究（B）　「雲母から読む原始海洋のアンモニア：濃度と窒素同位体比の復元」　機関代表者
• 2014-2016　基盤研究（C）　「原生代中期(17から14億年前)の海洋の酸化還元状態と微生物活動の解明」　他機関分担者
• 2014-2016　基盤研究（C）　「原生代中期(17から14億年前)の海洋の酸化還元状態と微生物活動の解明」　他機関分担者
• 2014-2016　基盤研究（C）　「原生代中期(17から14億年前)の海洋の酸化還元状態と微生物活動の解明」　他機関分担者
• 2010-2012　基盤研究(C)　「同位体地球化学と微生物学の結合による熱水系の窒素動態解析」　機関代表者
• 2010-2012　基盤研究(C)　「同位体地球化学と微生物学の結合による熱水系の窒素動態解析」　機関代表者

• 2015/04-2015/05　横浜研究所休日開館公開セミナー「太古の深海熱水環境から探る生命と地球の物語」（2015年4月18日）
• 2013/03　名古屋市科学館「QUELLE2013」講演

Newspaper

• 2014/05/30　しんぶん赤旗　「生命の”肥料”作った」
• 2014/05/13　日経産業新聞[日経テレコン]　「海洋研究開発機構など　35億年前の菌が窒素固定」

Magazine/Book

• 2013/05/29　海洋研究開発機構事業推進部広報課　「地層と微生物を見て生命の初期進化に迫る（Blue Earth 125）」

Internet

• 2014/06/13　Nature Japan　「35億年前の超好熱性メタン菌が、窒素固定を行っていたことを確認！」
• 2013/04/03　JAMSTECプレスリリース