A new era of isotope ecology: Nitrogen isotope ratio of amino acids as an approach for unraveling modern and ancient food web

por OHKOUCHI, Naohiko
Publicado 2023

The origin of Cretaceous black shales: a change in the surface ocean ecosystem and its triggers

por OHKOUCHI, Naohiko, KURODA, Junichiro, TAIRA, Asahiko
Publicado 2015

Organic Analysis of Peridotite Rocks from the Ashadze and Logatchev Hydrothermal Sites

por Bassez, Marie-Paule, Takano, Yoshinori, Ohkouchi, Naohiko
Publicado 2009

Free-Radical Polymerization of Acrylic Acid under Extreme Reaction Conditions Mimicking Deep-Sea Hydrothermal Vents

por Kinoshita, Keigo, Takano, Yoshinori, Ohkouchi, Naohiko, Deguchi, Shigeru
Publicado 2017

Diet quality influences isotopic discrimination among amino acids in an aquatic vertebrate

por Chikaraishi, Yoshito, Steffan, Shawn A, Takano, Yoshinori, Ohkouchi, Naohiko
Publicado 2015

Trophic discrimination factor of nitrogen isotopes within amino acids in the dobsonfly Protohermes grandis (Megaloptera: Corydalidae) larvae in a controlled feeding experiment

por Ishikawa, Naoto F., Hayashi, Fumio, Sasaki, Yoko, Chikaraishi, Yoshito, Ohkouchi, Naohiko
Publicado 2017

Insights into the Methanogenic Population and Potential in Subsurface Marine Sediments Based on Coenzyme F430 as a Function-Specific Biomarker

por Kaneko, Masanori, Takano, Yoshinori, Kamo, Masashi, Morimoto, Kazuya, Nunoura, Takuro, Ohkouchi, Naohiko
Publicado 2021

Intra‐trophic isotopic discrimination of (15)N/(14)N for amino acids in autotrophs: Implications for nitrogen dynamics in ecological studies

por Takizawa, Yuko, Dharampal, Prarthana S., Steffan, Shawn A., Takano, Yoshinori, Ohkouchi, Naohiko, Chikaraishi, Yoshito
Publicado 2017

Trophic position and dietary breadth of bats revealed by nitrogen isotopic composition of amino acids

por Campbell, Caitlin J., Nelson, David M., Ogawa, Nanako O., Chikaraishi, Yoshito, Ohkouchi, Naohiko
Publicado 2017

Unpacking brown food‐webs: Animal trophic identity reflects rampant microbivory

por Steffan, Shawn A., Chikaraishi, Yoshito, Dharampal, Prarthana S., Pauli, Jonathan N., Guédot, Christelle, Ohkouchi, Naohiko
Publicado 2017

Compound‐specific isotope analysis of benthic foraminifer amino acids suggests microhabitat variability in rocky‐shore environments

por Tsuchiya, Masashi, Chikaraishi, Yoshito, Nomaki, Hidetaka, Sasaki, Yoko, Tame, Akihiro, Uematsu, Katsuyuki, Ohkouchi, Naohiko
Publicado 2018

Marine Os isotopic evidence for multiple volcanic episodes during Cretaceous Oceanic Anoxic Event 1b

por Matsumoto, Hironao, Kuroda, Junichiro, Coccioni, Rodolfo, Frontalini, Fabrizio, Sakai, Saburo, Ogawa, Nanako O., Ohkouchi, Naohiko
Publicado 2020

Lateral transfer of tetrahymanol-synthesizing genes has allowed multiple diverse eukaryote lineages to independently adapt to environments without oxygen

por Takishita, Kiyotaka, Chikaraishi, Yoshito, Leger, Michelle M, Kim, Eunsoo, Yabuki, Akinori, Ohkouchi, Naohiko, Roger, Andrew J
Publicado 2012

Genomic Evidence that Methanotrophic Endosymbionts Likely Provide Deep-Sea Bathymodiolus Mussels with a Sterol Intermediate in Cholesterol Biosynthesis

por Takishita, Kiyotaka, Takaki, Yoshihiro, Chikaraishi, Yoshito, Ikuta, Tetsuro, Ozawa, Genki, Yoshida, Takao, Ohkouchi, Naohiko, Fujikura, Katsunori
Publicado 2017

High-resolution food webs based on nitrogen isotopic composition of amino acids

por Chikaraishi, Yoshito, Steffan, Shawn A, Ogawa, Nanako O, Ishikawa, Naoto F, Sasaki, Yoko, Tsuchiya, Masashi, Ohkouchi, Naohiko
Publicado 2014

Seasonal changes in infection with trematode species utilizing jellyfish as hosts: evidence of transmission to definitive host fish via medusivory

por Kondo, Yusuke, Ohtsuka, Susumu, Hirabayashi, Takeshi, Okada, Shoma, Ogawa, Nanako O., Ohkouchi, Naohiko, Shimazu, Takeshi, Nishikawa, Jun
Publicado 2016

Insight into anaerobic methanotrophy from (13)C/(12)C- amino acids and (14)C/(12)C-ANME cells in seafloor microbial ecology

por Takano, Yoshinori, Chikaraishi, Yoshito, Imachi, Hiroyuki, Miyairi, Yosuke, Ogawa, Nanako O., Kaneko, Masanori, Yokoyama, Yusuke, Krüger, Martin, Ohkouchi, Naohiko
Publicado 2018

Extraterrestrial ribose and other sugars in primitive meteorites

por Furukawa, Yoshihiro, Chikaraishi, Yoshito, Ohkouchi, Naohiko, Ogawa, Nanako O., Glavin, Daniel P., Dworkin, Jason P., Abe, Chiaki, Nakamura, Tomoki
Publicado 2019

Trophic Hierarchies Illuminated via Amino Acid Isotopic Analysis

por Steffan, Shawn A., Chikaraishi, Yoshito, Horton, David R., Ohkouchi, Naohiko, Singleton, Merritt E., Miliczky, Eugene, Hogg, David B., Jones, Vincent P.
Publicado 2013

Stable isotopic investigation of the feeding ecology of wild Bornean orangutans

por Tsutaya, Takumi, Wong, Anna, Malim, Peter T., Bernard, Henry, Ogawa, Nanako O., Ohkouchi, Naohiko, Hongo, Shun, Tajima, Tomoyuki, Kanamori, Tomoko, Kuze, Noko
Publicado 2022