Determination of aquatic food‐web structure based on compound‐specific nitrogen isotopic composition of amino acids Y Chikaraishi, NO Ogawa, Y Kashiyama, Y Takano, H Suga, A Tomitani, ... Limnology and Oceanography: methods 7 (11), 740-750, 2009 | 678 | 2009 |
Metabolic control of nitrogen isotope composition of amino acids in macroalgae and gastropods: implications for aquatic food web studies Y Chikaraishi, Y Kashiyama, NO Ogawa, H Kitazato, N Ohkouchi Marine Ecology Progress Series 342, 85-90, 2007 | 304 | 2007 |
Complete genome of a nonphotosynthetic cyanobacterium in a diatom reveals recent adaptations to an intracellular lifestyle T Nakayama, R Kamikawa, G Tanifuji, Y Kashiyama, N Ohkouchi, ... Proceedings of the National Academy of Sciences 111 (31), 11407-11412, 2014 | 119 | 2014 |
Isolation and desalting with cation‐exchange chromatography for compound‐specific nitrogen isotope analysis of amino acids: Application to biogeochemical samples Y Takano, Y Kashiyama, NO Ogawa, Y Chikaraishi, N Ohkouchi Rapid Communications in Mass Spectrometry 24 (16), 2317-2323, 2010 | 97 | 2010 |
Evidence of global chlorophyll d Y Kashiyama, H Miyashita, S Ohkubo, NO Ogawa, Y Chikaraishi, ... Science 321 (5889), 658-658, 2008 | 89 | 2008 |
Diazotrophic cyanobacteria as the major photoautotrophs during mid-Cretaceous oceanic anoxic events: Nitrogen and carbon isotopic evidence from sedimentary porphyrin Y Kashiyama, NO Ogawa, J Kuroda, M Shiro, S Nomoto, R Tada, ... Organic geochemistry 39 (5), 532-549, 2008 | 81 | 2008 |
Ubiquity and quantitative significance of detoxification catabolism of chlorophyll associated with protistan herbivory Y Kashiyama, A Yokoyama, Y Kinoshita, S Shoji, H Miyashiya, T Shiratori, ... Proceedings of the National Academy of Sciences 109 (43), 17328-17335, 2012 | 61 | 2012 |
An improved method for isolation and purification of sedimentary porphyrins by high-performance liquid chromatography for compound-specific isotopic analysis Y Kashiyama, H Kitazato, N Ohkouchi Journal of Chromatography A 1138 (1-2), 73-83, 2007 | 50 | 2007 |
Low-diversity shallow marine benthic fauna from the Smithian of northeast Japan: paleoecologic and paleobiogeographic implications Y Kashiyama, T Oji Paleontological Research 8 (3), 199-218, 2004 | 41 | 2004 |
Genesis of a locality of exceptional fossil preservation: paleoenvironments of Tepexi de Rodrıguez (mid-Cretaceous, Puebla, Mexico) Y Kashiyama, DE Fastovsky, S Rutherford, J King, M Montellano Cretaceous Research 25 (1), 153-177, 2004 | 37 | 2004 |
Tracking aquatic change using chlorin‐specific carbon and nitrogen isotopes: The last glacial‐interglacial transition at Lake Suigetsu, Japan J Tyler, Y Kashiyama, N Ohkouchi, N Ogawa, Y Yokoyama, Y Chikaraishi, ... Geochemistry, Geophysics, Geosystems 11 (9), 2010 | 30 | 2010 |
Reconstruction of the biogeochemistry and ecology of photoautotrophs based on the nitrogen and carbon isotopic compositions of vanadyl porphyrins from Miocene siliceous sediments Y Kashiyama, NO Ogawa, M Shiro, R Tada, H Kitazato, N Ohkouchi Biogeosciences 5 (3), 797-816, 2008 | 29 | 2008 |
Implications for chloro- and pheopigment synthesis and preservation from combined compound-specific δ13C, δ15N, and Δ14C analysis S Kusch, Y Kashiyama, NO Ogawa, M Altabet, M Butzin, J Friedrich, ... Biogeosciences 7 (12), 4105-4118, 2010 | 24 | 2010 |
132,173‐Cyclopheophorbide b enol as a catabolite of chlorophyll b in phycophagy by protists Y Kashiyama, A Yokoyama, T Shiratori, I Inouye, Y Kinoshita, T Mizoguchi, ... FEBS letters 587 (16), 2578-2583, 2013 | 20 | 2013 |
Risk management by organisms of the phototoxicity of chlorophylls Y Kashiyama, H Tamiaki Chemistry Letters 43 (2), 148-156, 2014 | 18 | 2014 |
Reconstructing the life history of modern and fossil nautiloids based on the nitrogen isotopic composition of shell organic matter and amino acids Y Kashiyama, NO Ogawa, Y Chikaraishi, N Kashiyama, S Sakai, ... Cephalopods: present and past. Tokai University Press, Tokyo, 2010 | 17 | 2010 |
A Novel Vanadyl Alkylporphyrins from Geological Samples: A Possible Derivative of Divinylchlorophylls or Bacteriochlorophyll a? Y Kashiyama, M Shiro, R Tada, N Ohkouchi Chemistry Letters 36 (6), 706-707, 2007 | 17 | 2007 |
Nitrogen and carbon isotopic compositions of copper, nickel, and vanadyl porphyrins in Cretaceous black shales Y Kashiyama, NO Ogawa, S Nomoto, H Kitazato, N Ohkouchi Earth, Life, and Isotopes, 313-335, 2010 | 14 | 2010 |
A non-photosynthetic green alga illuminates the reductive evolution of plastid electron transport systems M Kayama, JF Chen, T Nakada, Y Nishimura, T Shikanai, T Azuma, ... BMC biology 18, 1-15, 2020 | 10 | 2020 |
Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth Y Kashiyama, A Yokoyama, T Shiratori, S Hess, F Not, C Bachy, ... The ISME journal 13 (8), 1899-1910, 2019 | 8 | 2019 |