A primordial and reversible TCA cycle in a facultatively chemolithoautotrophic thermophile von Nunoura, Takuro, Chikaraishi, Yoshito, Izaki, Rikihisa, Suwa, Takashi, Sato, Takaaki, Harada, Takeshi, Mori, Koji, Kato, Yumiko, Miyazaki, Masayuki, Shimamura, Shigeru, Yanagawa, Katsunori, Shuto, Aya, Ohkouchi, Naohiko, Fujita, Nobuyuki, Takaki, Yoshihiro, Atomi, Haruyuki, Takai, Ken

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Extraterrestrial ribose and other sugars in primitive meteorites von Furukawa, Yoshihiro, Chikaraishi, Yoshito, Ohkouchi, Naohiko, Ogawa, Nanako O., Glavin, Daniel P., Dworkin, Jason P., Abe, Chiaki, Nakamura, Tomoki

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Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies von Ohkouchi, Naohiko, Chikaraishi, Yoshito, Close, Hilary G., Fry, Brian, Larsen, Thomas, Madigan, Daniel J., McCarthy, Matthew D., McMahon, Kelton W., Nagata, Toshi, Naito, Yuichi I., Ogawa, Nanako O., Popp, Brian N., Steffan, Shawn, Takano, Yoshinori, Tayasu, Ichiro, Wyatt, Alex S.J., Yamaguchi, Yasuhiko T., Yokoyama, Yusuke

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Microbes are trophic analogs of animals von Steffan, Shawn A, Chikaraishi, Yoshito, Currie, Cameron R, Horn, Heidi, Gaines-Day, Hannah R, Pauli, Jonathan N, Zalapa, Juan E, Ohkouchi, Naohiko

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Omnivory in Bees: Elevated Trophic Positions among All Major Bee Families von Steffan, Shawn A., Dharampal, Prarthana S., Danforth, Bryan N., Gaines-Day, Hannah R., Takizawa, Yuko, Chikaraishi, Yoshito

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Determination of aquatic food‐web structure based on compound‐specific nitrogen isotopic composition of amino acids von Chikaraishi, Yoshito, Ogawa, Nanako O., Kashiyama, Yuichiro, Takano, Yoshinori, Suga, Hisami, Tomitani, Akiko, Miyashita, Hideaki, Kitazato, Hiroshi, Ohkouchi, Naohiko

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Broad-scale trophic shift in the pelagic North Pacific revealed by an oceanic seabird von Ostrom, Peggy H., Wiley, Anne E., James, Helen F., Rossman, Sam, Walker, William A., Zipkin, Elise F., Chikaraishi, Yoshito

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Molecular Paleohydrology: Interpreting the Hydrogen-Isotopic Composition of Lipid Biomarkers from Photosynthesizing Organisms von Sachse, Dirk, Billault, Isabelle, Bowen, Gabriel J, Chikaraishi, Yoshito, Dawson, Todd E, Feakins, Sarah J, Freeman, Katherine H, Magill, Clayton R, McInerney, Francesca A, van der Meer, Marcel T.J, Polissar, Pratigya, Robins, Richard J, Sachs, Julian P, Schmidt, Hanns-Ludwig, Sessions, Alex L, White, James W.C, West, Jason B, Kahmen, Ansgar

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Fractionation of nitrogen isotopes during amino acid metabolism in heterotrophic and chemolithoautotrophic microbes across Eukarya, Bacteria, and Archaea: Effects of nitrogen sourc... von Yamaguchi, Yasuhiko T., Chikaraishi, Yoshito, Takano, Yoshinori, Ogawa, Nanako O., Imachi, Hiroyuki, Yokoyama, Yusuke, Ohkouchi, Naohiko

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Organic Reference Materials for Hydrogen, Carbon, and Nitrogen Stable Isotope-Ratio Measurements: Caffeines, n‑Alkanes, Fatty Acid Methyl Esters, Glycines, l‑Valines, Polyethylenes... von Schimmelmann, Arndt, Qi, Haiping, Coplen, Tyler B, Brand, Willi A, Fong, Jon, Meier-Augenstein, Wolfram, Kemp, Helen F, Toman, Blaza, Ackermann, Annika, Assonov, Sergey, Aerts-Bijma, Anita T, Brejcha, Ramona, Chikaraishi, Yoshito, Darwish, Tamim, Elsner, Martin, Gehre, Matthias, Geilmann, Heike, Gröning, Manfred, Hélie, Jean-François, Herrero-Martín, Sara, Meijer, Harro A. J, Sauer, Peter E, Sessions, Alex L, Werner, Roland A

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Integrative assessment of amino acid nitrogen isotopic composition in biological tissue samples determined by GC/C/IRMS, LC × EA/IRMS, and LC × GC/C/IRMS von Ishikawa, Naoto F., Ogawa, Nanako O., Sun, Yuchen, Chikaraishi, Yoshito, Takano, Yoshinori, Ohkouchi, Naohiko

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Ecological niche of Neanderthals from Spy Cave revealed by nitrogen isotopes of individual amino acids in collagen von Naito, Yuichi I., Chikaraishi, Yoshito, Drucker, Dorothée G., Ohkouchi, Naohiko, Semal, Patrick, Wißing, Christoph, Bocherens, Hervé

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Discovery of a colossal slickhead (Alepocephaliformes: Alepocephalidae): an active-swimming top predator in the deep waters of Suruga Bay, Japan von Fujiwara, Yoshihiro, Kawato, Masaru, Poulsen, Jan Yde, Ida, Hitoshi, Chikaraishi, Yoshito, Ohkouchi, Naohiko, Oguri, Kazumasa, Gotoh, Shinpei, Ozawa, Genki, Tanaka, Sho, Miya, Masaki, Sado, Tetsuya, Kimoto, Katsunori, Toyofuku, Takashi, Tsuchida, Shinji

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Chemotaxonomic significance of distribution and stable carbon isotopic composition of long-chain alkanes and alkan-1-ols in C4 grass waxes von Rommerskirchen, Florian, Plader, Anna, Eglinton, Geoffrey, Chikaraishi, Yoshito, Rullkötter, Jürgen

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Trophic hierarchies illuminated via amino acid isotopic analysis von Steffan, Shawn A, Chikaraishi, Yoshito, Horton, David R, Ohkouchi, Naohiko, Singleton, Merritt E, Miliczky, Eugene, Hogg, David B, Jones, Vincent P

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Isolation of underivatized amino acids by ion-pair high performance liquid chromatography for precise measurement of nitrogen isotopic composition of amino acids: Development of co... von Takano, Yoshinori, Chikaraishi, Yoshito, Ohkouchi, Naohiko

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High‐resolution food webs based on nitrogen isotopic composition of amino acids von Chikaraishi, Yoshito, Steffan, Shawn A., Ogawa, Nanako O., Ishikawa, Naoto F., Sasaki, Yoko, Tsuchiya, Masashi, Ohkouchi, Naohiko

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A preliminary estimate of the trophic position of the deep-water ram’s horn squid Spirula spirula based on the nitrogen isotopic composition of amino acids von Ohkouchi, Naohiko, Tsuda, Ryuichi, Chikaraishi, Yoshito, Tanabe, Kazushige

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Unpacking brown food‐webs: Animal trophic identity reflects rampant microbivory von Steffan, Shawn A., Chikaraishi, Yoshito, Dharampal, Prarthana S., Pauli, Jonathan N., Guédot, Christelle, Ohkouchi, Naohiko

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Nitrogen Isotopes of Sinking Particles Reveal the Seasonal Transition of the Nitrogen Source for Phytoplankton von Yoshikawa, Chisato, Ogawa, Nanako O., Chikaraishi, Yoshito, Makabe, Akiko, Matsui, Yohei, Sasai, Yoshikazu, Wakita, Masahide, Honda, Makio C., Mino, Yoshihisa, Aita, Maki N., Fujiki, Tetsuichi, Nunoura, Takuro, Harada, Naomi, Ohkouchi, Naohiko

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