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Kaneko, M., Naraoka, H., Takano, Y. and Ohkouchi, N. (2013) Distribution
and isotopic signatures of archaeal lipid biomarkers associated with gas hydrate
occurrences on the northern Cascadia Margin. Chemical Geology, 343, 76-84. doi: 10.1016/j.chemgeo.2013.02.003. Journal's web site
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Takano, Y., Kaneko, M., Kahnt, J., Imachi, H., Shima, S. and Ohkouchi, N.
(2013) Detection of coenzyme F430 in deep-sea sediments: A key molecule for
biological methanogenesis. Organic Geochemistry, 58, 137-140. doi: 10.1016/j.orggeochem.2013.01.012. Journal's web site
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| Ohkouchi, N. and Takano, Y. (2013) Organic nitrogen: sources, fates, and
chemistry. Treatise on Geochemistry, 10: Organic Geochemistry (Edited by
Birrer, B., Falkowski, P., Freeman, K.), Elsevier, in press. |
Takano, Y., Tyler, J.J., Kojima, H., Yokoyama, Y., Tanabe, Y., Sato, T.,
Ogawa, O.N., Ohkouchi, N. and Fukui, M. (2012) Holocene lake development and
glacial-isostatic uplift at Lake Skallen and Lake Oyako, Lutzow-Holm Bay, East
Antarctica: based on biogeochemical facies and molecular signatures. Applied
Geochemistry, 27, 2546-2559. doi: 10.1016/j.apgeochem.2012.08.009. Journal's web site
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Bassez, M.-P., Takano, Y., and Kobayashi, K. (2012) Prebiotic organic
microstructures. Origins of Life and Evolution of Biospheres, 42,
307-316. DOI 10.1007/s11084-012-9290-5. Journal's web site
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| Kurihara, H., Yabuta, H., Kaneko, T., Obayashi, Y., Takano, Y., and
Kobayashi, K. (2012) Formation of organic aggregates by heating products of
simulated primitive Earth atmosphere experiments. Chemistry Letters,
41, 441-443. doi:10.1246/cl.2012.441. Journal's web site |
Kurihara, H., Takano, Y., Kaneko, T., Obayashi, Y., and Kobayashi, K.
(2012) Stability of amino acids and related compounds in simulated submarine
hydrothermal systems. Bulletin of the Chemical Society of Japan,
85, 624-630. doi:10.1246/bcsj.20110349. Journal's web site
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Nomaki, H., Ogawa, O.N., Takano, Y., Suga, H., Ohkouchi, N., Kitazato, H.
(2011) Differing utilization of glucose and algal particulate organic matter by
the deep-sea benthic organisms of Sagami Bay, Japan. Marine Ecology Progress
Series, 431, 11-24. doi:10.3354/meps09144. Journal's web site
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Gay, A., Takano, Y., Gilhooly III, W.P., Berndt, C., Heeschen, K.,
Suzuki, N., Saegusa, S., Nakagawa, F., Tsunogai, U., Jiang, S.Y., and Lopez, M.
(2011) Geophysical and geochemical evidence of large scale fluid flow within
shallow sediments in the eastern Gulf of Mexico, offshore Louisiana.
Geofluids. 11, 34-47. DOI: 10.1111/j.1468-8123.2010.00304.x. Journal's web site
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Takano, Y., Chikaraishi, Y., Ogawa, O.N., Nomaki, H., Morono, Y.,
Inagaki, F., Kitazato, H., Hinrichs, K.-U., Ohkouchi, N. (2010) Sedimentary
membrane lipids recycled by deep-sea benthic archaea. Nature Geoscience,
3, 858-861. DOI:10.1038/ngeo983. Journal's web site or JAMSTEC
Repository & Supplementary Information
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Takano, Y., Kashiyama, Y., Ogawa, O.N., Chikaraishi, Y., Ohkouchi, N.,
(2010) Isolation and desalting with cation-exchange chromatography for
compound-specific nitrogen isotope analysis of amino acids. Rapid
Communications in Mass Spectrometry, 24, 2317-2323. DOI:
10.1002/rcm.4651. Journal's web site
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Takano, Y., Chikaraishi, Y. and Ohkouchi, N. (2010) Enantiomer-specific
isotope analysis (ESIA) of D- and L-alanine: nitrogen isotopic hetero- and
homogeneity by microbial process and chemical process. Earth, Life, and
Isotopes (edited by N. Ohkouchi, I. Tayasu, and K. Koba). Kyoto University
Press., pp. 387-402. Journal's web site
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Chikaraishi Y., Takano Y., Ogawa O. N., and Ohkouchi, N. (2010)
Instrumental optimization for compound-specific nitrogen isotope analysis of
amino acids by gas chromatography/combustion/isotope ratio mass spectrometry.
Earth, Life, and Isotopes (edited by N. Ohkouchi, I. Tayasu, and K.
Koba). Kyoto University Press., pp. 365-386. Journal's web
site
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Takano, Y., Yokoyama, Y., Tyler, J.J., Fukui, M., Sato, T., Ogawa, N.O.,
Suzuki, N., Kitazato, H., Ohkouchi, N. (2010) Crustal uplifting rate associated
with late-Holocene glacial-isostatic rebound at Skallen and Skarvsnes,
Lutzow-Holm Bay, East Antarctica: evidence of a synchrony in sedimentary and
biological facies on geological setting. Biogeosciences Discuss,
7, 4341-4384, doi:10.5194/bgd-7-4341-2010. Journal's web site
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Kato, S., Takano, Y., Kakegawa, T., Oba, H., Inoue, K., Kobayashi, C.,
Utsumi, M., Marumo, K., Kobayashi, K., Ito, Y., Ishibashi, J., and Yamagishi, A.
(2010) Biogeography and biodiversity in sulfide structures of active and
inactive vents at deep-sea hydrothermal fields of the Southern Mariana Trough.
Applied and Environmental Microbiology, 76, 2968-2979.
DOI:10.1128/AEM.00478-10. Journal's web site
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Fujii, M., Takano, Y., Kojima, H., Hoshino, T., Tanaka, R., and Fukui, M.
(2010) Microbial community structure, pigment composition, and nitrogen source
of red snow in Antarctica. Microbial Ecology, 59, 466-475. DOI
10.1007/s00248-009-9594-9. Journal's web site
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Chikaraishi, Y., Ogawa, O. N., Kashiyama, Y., Takano, Y., Suga, H.,
Tomitani, A., Miyashita, H., Kitazato, H., and Ohkouchi, N. (2009) Determination
of aquatic food-web structure based on compound-specific nitrogen isotopic
composition of amino acids. Limnology and Oceanography: Method, 7,
740-750. Journal's web site
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Kato, S., Yanagawa, K., Sunamura, M., Takano, Y., Ishibashi, J.-I.,
Kakegawa, T., Utsumi, M., Yamanaka, T., Toki, T., Noguchi, T., Kobayashi, K.,
Moroi, A., Kimura, H., Kawarabayasi, Y., Marumo, K., Urabe, T., and Yamagishi,
A. (2009) Abundance of Zetaproteobacteria within crustal fluids in
back-arc hydrothermal fields of the Southern Mariana Trough. Environmental
Microbiology, 11, 3210-3222. Journal's web site
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Bassez, M-P., Takano, Y., and Ohkouchi, N. (2009) Organic analysis of
peridotite rocks from Ashadze and Logatchev hydrothermal sites. International
Journal of Molecular Sciences, 10, 2986-2998. Journal's web
site
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Takano, Y., Chikaraishi, Y., Ogawa, O. N., Kitazato, H., and Ohkouchi, N.
(2009) Compound-specific nitrogen isotope analysis of D-alanine, L-alanine, and
valine: application of diastereomer separation to delta 15 N and microbial
peptidoglycan studies. Analytical Chemistry, 81, 394-399. Journal's web
site
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Kashiyama, Y., Miyashita, H., Ohkubo, S., Ogawa, O. N., Chikaraishi, Y.,
Takano, Y., Suga, H., Toyohuku, T., Nomaki, H., Kitazato, H., Nagata, T.,
and Ohkouchi, N. (2008) Evidence for the global distribution of
Chlorophyll-d. Science, 321, 658-658. Journal's web site
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Flemings, P.B., Long H., Dugan B., Germaine J., John C.M., Behrmann J.H., Sawyer
D. & IODP Expedition 308 Scientists (2008) Pore pressure penetrometers
document high overpressure near the seafloor where multiple submarine landslides
have occurred on the continental slope, offshore Louisiana, Gulf of Mexico.
Earth and Planetary Science Letters, 269 , 309-325. Journal's web
site
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Marumo, K., Urabe, T., Goto, A., Takano, Y., and Nakasheama, M. (2008)
Mineralogy and isotope geochemistry of active submarine hydrothermal field at
Suiyo Seamount, Izu-Bonin Arc, West Pacific Ocean. Resource Geology,
58, 220-248. Journal's web site & Best Article Award 2008
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Kobayashi, K., Ogawa, T., Tonishi, H., Kaneko, T., Takano, Y., Takahashi,
J., Saito, T., Muramatsu, Y., Yoshida, S., and Utsumi, U. (2008) Synthesis of
amino acid precursors from simulated interstellar media by high-energy particles
or photons. Electronics and Communications in Japan, 91, 15-21.
doi:10.1002/ecj.10069. Journal's web site
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Takano, Y., Takahashi, J., Kaneko, T., Marumo, K. and Kobayashi, K.
(2007) Asymmetric synthesis of amino acid precursors in interstellar complex
organics by circularly polarized light. Earth and Planetary Science
Letters, 254, 106-117. Journal's web
site
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Kudo, J., Kobayashi,K., Marumo, K., Takano, Y. (2006) Fluctuation in
proteinceous labile organic matter verified with degradation rate constants of
biochemical indicators. Organic Geochemistry, 37, 1655-1663. Journal's web site
|
Shipboard Scientific Party of IODP EXP 308 (2006) Gulf of Mexico Hydrogeology:
Overpressure and fluid flow processes in the deepwater Gulf of Mexico: slope
stability, seeps, and shallow-water flow, Proceedings of the Integrated Ocean
Drilling Program (IODP), Vol. 308, College Station TX (Integrated
Ocean Drilling Program Management International, Inc.).
doi:10.2204/iodp.proc.308.101.2006. Journal's web site
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Takano, Y., Mori, H., Kaneko, T., Ishikawa, Y., Marumo, K., and
Kobayashi, K. (2006) Phosphatase and microbial activity with biochemical
indicators in semi-permafrost active layer sediments over the past 10,000 years.
Applied Geochemistry, 21, 48-57. Journal's
web site
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Takano, Y., Kobayashi, K., Ishikawa, Y., and Marumo, K. (2006) Emergence
of the inflection point on the racemization rate constant of D- and L- amino
acids in the early stage of terrestrial diagenesis. Organic Geochemistry,
37, 334-341. Journal's web site
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Takano, Y., Marumo, K., Ebashi, T., Gupta, L. P., Kawahata, H.,
Yamagishi, A., Kobayashi, K., and Kuwabara, K. (2005) In situ ore-formation
experiment: amino acids and amino sugars trapped in artificial chimneys onto
deep-sea hydrothermal systems at Suiyo seamount, Izu-Bonin Arc, Pacific ocean.
Bulletin of the Chemical Society of Japan, 78, 638-651. Journal's web site
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| Takano, Y., Edazawa, Y., Kobayashi, K., Urabe, T., and Marumo, K. (2005)
Evidence of sub-vent biosphere: Enzymatic activities in 308 degree-C deep-sea
hydrothermal systems at Suiyo seamount, Izu-Bonin Arc, Western Pacific Ocean.
Earth and Planetary Science Letters, 229, 193-203. Journal's web
site |
Takano, Y., Ohashi, A., Kaneko, T., and Kobayashi, K. (2004) Abiotic
synthesis of high-molecular-weight organics from inorganic gas mixture of carbon
monoxide, ammonia and water by 3 MeV Proton Irradiation. Applied Physics
Letters, 84, 1410-1412. Journal's web site
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| Takano, Y., Kudo, J., Kaneko, T., Kobayashi, K., Kawasaki, Y., and
Ishikawa, Y. (2004) Distribution of amino acids and its stereo chemistry related
with biological activities over the past 10,000 years in Rikubetsu, Hokkaido,
Japan. Geochemical Journal, 38, 153-161. Journal's web site |
Kobayashi, K., Takano, Y., Kaneko, T., Hashimoto, H., and Saito, T.
(2004) Possible cometary organic compounds as sources of planetary biosphere.
Advances in Space Research, 33, 1277-1281. Journal's web
site
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Takano, Y., Tsuboi, T., Kaneko, K., Kobayashi, K., and Marumo, K. (2004)
Pyrolysis of high-molecular-weight complex organics synthesized from simulated
interstellar gas mixture irradiated with 3 MeV proton irradiation. Bulletin
of the Chemical Society of Japan, 77 ,779-783. Journal's web site
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Takano, Y., Kobayashi, K., Hiroishi, D., Ikeda, H., and Marumo, K. (2004)
Experimental verification of photostability for free and bound amino acids
exposed to gamma-rays and UV irradiation. Earth Planets Space, 56,
669-674. Journal's web site
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Takano, Y., Marumo, K., Yabashi, S., Kaneko, T., and Kobayashi, K. (2004)
Pyrolysis of complex organics simulated by cosmic rays irradiation of simple
inorganic gas mixture. Applied Physics Letters, 85, 1633-1635. Journal's web site
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Horiuchi, T., Takano, Y., Kobayashi, K., Marumo, M., Ishibashi, J., and
Urabe, T. (2004) Amino acids in hydrothermal water samples obtained from
deep-sea hydrothermal vents at Suiyo seamount, Izu-Bonin Arc, Pacific ocean.
Organic Geochemistry, 35, 1121-1128. Journal's web site
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Takano, Y., Gupta, L. P., Kawahata, H., Marumo, K., Ishikawa, Y., and
Kobayashi, K. (2004) Glucosamine and Galactosamine in terrestrial organic matter
and their correlation with other biochemical indicators. Bulletin of the
Chemical Society of Japan, 77, 729-732. Journal's web site
|
Takano, Y., Horiuchi, T., Kobayashi, K., Marumo, K., Nakashima, M., and
Urabe, T. (2004) Vertical distribution and chiral ratio of amino acids in
deep-sea hydrothermal sub-vent core samples at Suiyo seamount, Izu-Bonin Arc,
Pacific ocean. Organic Geochemistry, 35, 1105-1120. Journal's web site
|
Takano, Y., Kudo, J., Kaneko, T., Kobayashi, K., and Marumo, K. (2004)
Evidence of the Hypsithermal verified using the racemization rate constant of
amino acids: an estimation of the paleo-ground temperatures. Bulletin of the
Chemical Society of Japan, 77, 1029-1030. Journal's web site
|
Takano, Y., Kobayashi, K., Yamanaka, T., Marumo, K., and Urabe, T. (2004)
Amino acids in the 308°C deep-sea hydrothermal system of the Suiyo Seamount,
Izu-Bonin Arc, Pacific Ocean. Earth and Planetary Science Letters,
219, 147-153. Journal's web site
|
Takano, Y., Ushio, K., Kaneko, T., Kobayashi, K., and Hashimoto, H.
(2003) Amino acid precursors in simulated interstellar dust ice mantle by UV
irradiation at 10 K. Chemistry Letters, 32, 612-613. Journal's web site
|
Takano, Y., Horiuchi, T., Kobayashi, K., Urabe, T., and Marumo, K. (2003)
Large Enantiomeric Excesses of L-Form Amino Acids in Deep-sea Hydrothermal
Sub-vent of 156 °C Fluids at the Suiyo Seamount, Izu-Bonin Arc, Pacific Ocean.
Chemistry Letters, 32, 970-971. Journal's web site
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Takano, Y., Sato, R., Kaneko, T., Kobayashi, K., and Marumo, K. (2003)
Biological origins for amino acids in Subterranean Hydrothermal vent, Toyoha
mine, Hokkaido, Japan. Organic Geochemistry, 34, 1491-1496. Journal's
web site
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Takano, Y., Masuda, H., Kaneko, T., and Kobayashi, K. (2002) Formation of
amino acids from possible Interstellar media by gamma-rays and UV irradiation.
Chemistry Letters, 10, 986-987. Journal's web site
|
Takano, Y., Ushio, K., Masuda, H., Kaneko, T., Kobayashi, K., Takahashi,
J., and Saito, T. (2001) Determination of organic compounds formed in simulated
interstellar dust environment. Analytical Sciences, 17, Suppl
i1635-1638.
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*Kobayashi, K., Kaneko, T., Takahashi, J.-I., Takano, Y., and Yoshida, S.
(2010) High molecular weight complex organics in interstellar space and their
relevance to origins of life. Astrobiology: Emergence, Search and Detection
of Life (edited by V. Basiuk). American Scientific Publishers, pp. 175-186.
Journal's web site
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*Kobayashi K., Kaneko T., Takano Y., and Takahashi J. (2008) Formation of
amino acid precursors with large molecular weight in dense clouds and their
relevance to origins of bio-homochirality. Organic Matter in Space
(edited by S. A. Sandford & S. Kwok), pp. 465-472.
doi:10.1017/S1743921308022199, Cambridge Univ. Press. Journal's web site
|
Behrmann, J.H., Flemings, P.B., John, C.M., and the Expedition 308 Scientists.
(2006) Rapid sedimentation, overpressure and focused fluid flow, Gulf of Mexico
continental margin. Scientific Drilling, 3, 12-17.
doi:10.2204/iodp.sd.3.03.2006. Journal's web site
|
Shipboard Scientific Party of IODP EXP 308 (2005) “Gulf of Mexico Hydrogeology:
Overpressure and fluid flow processes in the deepwater Gulf of Mexico: slope
stability, seeps, and shallow-water flow”, Integrated Ocean Drilling Program
Expedition 308 Preliminary Report, 1-109. doi:10.2204 /iodp.pr.308.2005. Journal's web site
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| *Japanese articles are not listed on this page. |
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