1. 1. Nakagawa, S., Shimamura, S., Takaki, Y., Suzuki, Y., Murakami, S., Watanabe, T., Fujiyoshi, S., Mino, S., Sawabe, T., Maeda, T., Makita, H., Nemoto, S., Nishimura, S., Watanabe, H., Watsuji, T., and Takai, K. (2013). Allying with armored snails: the complete genome of gammaproteobacterial endosymbiont. ISME J in press. [Pubmed]
   

2. 2. Mino, S., Makita, H., Toki, T., Miyazaki, J., Kato, S., Watanabe, H., Imachi, H., Watsuji, T., Nunoura, T., Kojima, S., Swabe, T., Takai, K., and Nakagawa, S. (2013). Biogeography of Persephonella in deep-sea hydrothermal vents of the Western Pacific. Front Microbiol 4: 107. [Pubmed]
   

3. 3.Kawagucci, S., Ueno, Y., Takai, K., Toki, T., Ito, M., Inoue, K., Makabe, A., Yoshida, N., Muramatsu, Y., Takahata, N., Sano, Y., Narita, T., Teranishi, G., Obata, H., Nakagawa, S., Nunoura, T., and Gamo, T. (2013) Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance to the geographical distribution of whole hydrothermal circulation. Chem Geol 339: 213-225.
   

4. 4. Nakagawa, S. (2012). 海洋圏微生物の生理生態の研究と応用. 極限環境生物の産業展開.[シーエムシー出版]
   

5. 5. Konishi, M., Watsuji, T., Nakagawa, S., Hatada, Y., Takai, K., and Toyofuku, T. (2012) Effects of hydrogen sulfide on the bacterial communities on the surface of galatheid crab, Shinkaia crosnieri, and in bacterial mat, by using rearing tanks. Microbes Environ 28: 25-32. (IF=2.444) [Pubmed]
   

6. 6. Makita, H., Nakagawa, S., Miyazaki, M., Nakamura, K., Inagaki, F., and Takai, K. (2012). Thiofractor thiocaminus gen. nov., sp. nov., a novel hydrogen-oxidizing, sulfur-reducing epsilonproteobacterium isolated from a deep-sea hydrothermal vent chimney in the Nikko Seamount field of the northern Mariana Arc. Arch Microbiol 194: 785-794. (IF=1.905) [Pubmed]
   

7. 7. Enomoto, M., Nakagawa, S., and Sawabe, T. (2012). Microbial communities associated with Holothurians: presence of unique bacteria in the coelomic fluid. Microbes Environ 27: 300-305. (IF=2.444) [Pubmed]
   

8. 8. Izumi, H., Nunoura, T., Miyazaki, M., Mino, S., Toki, T., Takai, K., Sako, Y., Sawabe, T., and Nakagawa, S. (2012). Thermotomaculum hydrothermale gen. nov., sp. nov., a novel heterotrophic thermophile within the phylum Acidobacteria from a deep-sea hydrothermal vent chimney in the Southern Okinawa Trough. Extremophiles 16: 245-253. (IF=2.203) [Pubmed]
   

9. 9.Nakagawa, S. (2011) Genetic analysis and preservation of chemolithoautotrophic bacteria dominating deep-sea vents. IFO Res Commun 25: 31-39. [J-GLOBAL]
   

10. 10. Watsuji, T., Nakagawa, S., Tsuchida, S., Toki, T., Hirota, A., Tsunogai, U., and Takai, K. (2010) Diversity and function of epibiotic microbial communities on the galatheid crab, Shinkaia crosnieri. Microbes Environ 25: 288-294. (IF=2.248, TC=9) [Pubmed]
    

11. 11. Kawagucci, S., Chiba, H., Ishibashi, J., Yamanaka, T., Toki, T., Muramatsu, Y., Ueno, Y., Makabe, A., Inoue, K., Yoshida, N., Nakagawa, S., Nunoura, T., Takai, K., et al. (2011) Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough: Implication for origin of methane in subseafloor fluid circulation systems. Geochem J 45: 109-124.
    

12. 12. Steinsbu, B., Thorseth, I., Nakagawa, S., Inagaki, F., Lever, M., Engelen, B. et al. (2010) Archaeoglobus sulfaticallidus sp. nov., a novel thermophilic and facultatively lithoautotrophic sulfate-reducer isolated from black rust exposed to hot ridge flank crustal fluids. Int J Syst Evol Microbiol 60: 2745-2752. (IF= 1.93, TC=8) [Pubmed]
    

13. 13. Yamamoto, M., Nakagawa, S., Shimamura, S., Takai, K., and Horikoshi, K. (2010). Molecular characterization of inorganic sulfur-compound metabolism in the deep-sea epsilonproteobacterium Sulfurovum sp. NBC37-1. Environ Microbiol 12: 1144-1153. (IF=5.537, TC=13) [Pubmed]
    

14. 14. Takaki, Y., Shimamura, S., Nakagawa, S., Fukuhara, Y., Horikawa, H., Ankai, A. et al. (2010). Bacterial lifestyle in a deep-sea hydrothermal vent chimney revealed by the genome sequence of the thermophilic bacterium Deferribacter desulfuricans SSM1. DNA Res 17: 123-137. (IF=4.754, TC=8) [Pubmed]
    

15. 15. Sawabe, T., Koizumi, S., Fukui, Y., Nakagawa, S., Ivanova, E., Kita-Tsukamoto, K. et al. (2009). Mutation is the main driving force in the diversification of the Vibrio splendidus clade. Microbes Environ 24: 281-285. [Pubmed]
    

16. 16. Sawabe, T., Yoshizawa, A., Kawanishi, Y., Komatsu, E., Nakagawa, S., Ootubo, M. et al. (2009). Multi-probe-fluorescence in situ hybridization for the rapid enumeration of viable Vibrio parahaemolyticus. Microbes Environ 24: 259-264. [Pubmed]
    

17. 17. Takai, K., Miyazaki, M., Hirayama, H., Nakagawa, S., Querellou, J. and Godfroy, A. (2009). Isolation and physiological characterization of two novel, piezophilic, thermophilic chemolithoautotrophs from a deep-sea hydrothermal vent chimney. Environ. Microbiol. 11: 1983-1997. (IF=4.909, TC=18) [Pubmed] 
    

18. 18. Nakagawa, S. and Takaki, Y. (2009). Nonpathogenic Epsilonproteobacteria. Encyclopedia of Life Sciences. [ELS]
    

19. 19. Takai, K, Nakamura, K, Toki, T, Tsunogai, U, Miyazaki, M, Miyazaki, J, Hirayama, H, Nakagawa, S, Nunoura, T, and Horikoshi, K. (2008). Cell proliferation at 122 °C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation. Proc Natl Acad Sci U S A 105:10949-10954. (IF=9.38, TC=94) [Pubmed]
    

20. 20. Nakagawa, S. and Takai, K. (2008). Deep-sea vent chemoautotrophs: diversity, biochemistry, and ecological significance. FEMS Microbiol Ecol, 65:1-14. (IF=3.335, TC=66) [Pubmed]
    

21. 21. Imachi, H, Sakai, S, Hirayama, H, Nakagawa, S, Nunoura, T, Takai, K, Horikoshi, K. (2008). Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochete isolated from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 58:2258-2265. (IF=1.463, TC=6) [Pubmed]
    

22. 22. Inagaki, F. and Nakagawa, S. (2008). Spatial distribution of the subseafloor life: diversity and biogeography. Links between geological processes, microbial activities and evolution of life. (Dilek, Y., Furnes, H., and Muehlenbachs, K., eds). Springer-Verlag Berlin Heidelberg, New York. [Springer]
    

23. 23. Engelen, B, Ziegelmüller, K, Wolf, L, Köpke, B, Gittel, A, Treude, T, Nakagawa, S, Inagaki, F, Lever, MA, Steinsbu, BO, and Cypionka, H. (2008). Fluids from the oceanic crust support microbial activities within the deep biosphere. Geomicrobiol J 25:56-66. (IF=1.495, TC=24) [Informaworld]
    

24. 24. Nakagawa, S, Takaki, Y, Shimamura, S, Reysenbach, AL, Takai, K, Horikoshi, K. 2007. Deep-sea vent epsilon-proteobacterial genomes provide insights into emergence of pathogens. Proc Natl Acad Sci U S A 104:12146-12150. (IF=9.598, TC=83) [Pubmed]
    

25. 25. Takai, K., S. Nakagawa, A. L. Reysenbach, and J. Hoek. 2006. Microbial ecology of mid-ocean ridges and back-arc basins. in Back-arc spreading systems - Geological, biological, chemical, and physical interactions, Christie, DM, Fisher, CR, Lee, S-M, Givens, S, Eds (American Geophysical Union, Washington, DC, 2006). Geophysical Monograph Series vol. 166:185-213. [AGU]
    

26. 26. Nakagawa, S., F. Inagaki, Y. Suzuki, B. Engelen, M. A. Lever, B. O. Steinsbu, K. Takai, Y. Sako, K. Horikoshi, and IODP Leg 301 Scientific Party. (2006) Microbial community in black rust exposed to hot ridge-flank crustal fluids. Appl. Environ. Microbiol. 72: 6789-6799. (IF=3.53, TC=29) [Pubmed]
    

27. 27. Lever, M. A., M. Alperin, B. Engelen, F. Inagaki, S. Nakagawa, B. O. Steinsbu, and A. Teske. Trends in Basalt and Sediment Core Contamination During IODP Expedition 301. (2006). Geomicrobiol. J. 23: 517-530. (IF=1.89, TC=16) [Informaworld]
    

28. 28.Takai, K., Suzuki, M., Nakagawa, S., Miyazaki, M., Suzuki, Y., Inagaki, F., and Horikoshi, K. (2006). Sulfurimonas paralvinella sp. nov., a novel mesophilic, hydrogen-and sulfur-oxidizing chemolithoautotroph within epsilon-Proteobacteria from a deep-sea hydrothermal vent polychaetes nest, reclassification of Thiomicrospira denitrificans strain DSM1251T as Sulfurimonas denitrificans comb. nov., and emended description of the genus Sulfurimonas. Int. J. Syst. Evol. Microbiol. 56: 1725-1733. (IF=2.66, TC=49) [Pubmed]
    

29. 29. Nakagawa, S. and Takai, K. (2006). The isolation of thermophiles from deep-sea hydrothermal environments. Methods in Microbiol. 35: 55-91. (IF=1.00, TC=11) [Elsevier]
    

30. 30. Nakagawa, S., Takai, K., Inagaki, F., Chiba, H., Ishibashi, J., Kataoka, S., Hirayama, H., Nunoura, T., Horikoshi, K., and Sako, Y. (2005). Variability in microbial community and venting chemistry in a sediment-hosted backarc hydrothermal system: impacts of subseafloor phase-separation. FEMS Microbiol. Ecol. 54: 141-155. (IF=2.79, TC=56) [Pubmed]
    

31. 31. Nakagawa, S., Takai, K., Inagaki, F., Hirayama, H., Nunoura, T., Horikoshi, K. and Sako. Y. (2005). Distribution, phylogenetic diversity and physiological characteristics of epsilon-Proteobacteria in a deep-sea hydrothermal field. Environ. Microbiol. 7: 1619-1632. (IF=4.56, TC=80) [Pubmed]
    

32. 32. Nakagawa, S., Z. Shtaih, A. Banta, T. J. Beveridge, Y. Sako, and A.-L. Reysenbach. (2005). Sulfurihydrogenibium yellowstonense sp. nov., an extremely thermophilic, facultatively heterotrophic, sulfur-oxidizing bacterium from Yellowstone National Park and amended descriptions of the genus Sulfurihydrogenibium, S. subterraneum, and S. azorense. Int. J. Syst. Evol. Microbiol. 55,　2263-2268. (IF=2.74, TC=35) [Pubmed]
    

33. 33. Takai, K., B. J. Campbell, S. C. Cary, M. Suzuki, H. Oida, T. Nunoura, H. Hirayama, S. Nakagawa, Y. Suzuki, F. Inagaki, and K. Horikoshi. 2005. Enzymatic and genetic characterization of carbon and energy metabolisms from deep-sea hydrothermal chemolithoautotrophic epsilon-Proteobacteria. Appl. Environ. Microbiol. 71:7310-7320. (IF=3.82, TC=62) [Pubmed]
    

34. 34. Nakagawa, S. and Y. Sako. 2005. Distribution, activity, diversity, and physiological characteristics of extremophiles in deep-sea hydrothermal environments. Biseibutsu Seitai Gakkaishi 20:39-46. (Japanese; CiNii)
    

35. 35. Inagaki, F., Nunoura, T., Nakagawa, S., Teske, A., Lever, M., Lauer, A., Suzuki, M., Takai, K., Delwich, M., Colwell, F. S., Nealson, K., Horikoshi, K., D’Hondt, S., and Jorgensen, B. B. (2005). Biogeographical distribution and diversity of microbes in methane hydrate-bearing deep marine sediments on the Pacific Ocean Margin. Proc. Natl. Acad. Sci. USA 103: 2815-2820. (IF=10.23, TC=192) [Pubmed]
    

36. 36. Nakagawa, S., Takai, K., Inagaki, F., Horikoshi, K., and Sako, Y. (2005). Nitratiruptor tergarcus gen. nov., sp. nov. and Nitratifractor salsuginis gen. nov., sp. nov., nitrate-reducing chemolithoautotrophs of the e-Proteobacteria isolated from a deep-sea hydrothermal system in the Mid-Okinawa Trough. Int J Syst Evol Microbiol 55, 925-933. (IF=2.74, TC=38) [Pubmed]
    

37. 37. Nakagawa, S., Inagaki, F., Takai, K, Horikoshi, K., and Sako, Y. (2005). Thioreductor micantisoli gen. nov., sp. nov., a novel mesophilic, sulfur-reducing chemolithoautotroph within the epsilon-Proteobacteria isolated from the hydrothermal sediments in the Mid-Okinawa Trough. Int J Syst Evol Microbiol 55, 599-605. (IF=2.74, TC=23) [Pubmed]
    

38. 38. Nakagawa, T., Nakagawa, S., Inagaki, F., Takai, K., and Horikoshi, K. (2004) Phylogenetic diversity of sulfate-reducing prokaryotes in active deep-sea hydrothermal vent chimney structures. FEMS Lett 232: 145-152. (IF=1.84, TC=31) [Pubmed]
    

39. 39. Takai, K., Oida, H., Suzuki, Y., Hirayama, H., Nakagawa, S., Nunoura, T., Inagaki, F., Nealson, K. H., and Horikoshi, K. (2004). Spatial distribution of Marine Crenarchaeota Group I in the vicinity of deep-sea hydrothermal systems. Appl Environ Microbiol. 70: 2404-2413. (IF=3.81, TC=60) [Pubmed]
    

40. 40. Nakagawa, S., Takai, K., Horikoshi, K., and Sako, Y. (2004). Aeropyrum camini sp. nov., a strictly aerobic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 54: 329-335. (IF=2.46, TC=19) [Pubmed]
    

41. 41. Nakagawa, S., Nakamura, S., Inagaki, F., Takai, K., Shirai, N., and Sako, Y. (2004). Hydrogenivirga caldilitoris gen. nov., sp. nov., a novel extremely thermophilic, hydrogen/sulfur oxidizing bacterium from a coastal hydrothermal field. Int J Syst Evol Microbiol 54:2079-2084. (IF=2.46, TC=20) [Pubmed]
    

42. 42. Takai, K., Nakagawa, S., Sako, Y., and Horikoshi, K. (2003). Balnearium lithotrophicum gen. nov., sp. nov., a novel thermophilic, strictly anaerobic, hydrogen-oxidizing chemolithoautotroph isolated from a black smoker chimney in the Suiyo Seamount hydrothermal system. Int J Syst Evol Microbiol 53: 1947-1954. (IF=3.19, TC=34) [Pubmed]
    

43. 43. Takai, K., Inagaki, F., Nakagawa, S., Hirayama, H., Nunoura, T., Sako, Y., Nealson, K. H., and Horikoshi, K. (2003). Isolation and phylogenetic diversity of members of previously uncultivated epsilon Proteobacteria in deep-sea hydrothermal fields. FEMS Microbiol Lett 218: 167-174. (IF=1.93, TC=102) [Pubmed]
    

44. 44. Nakagawa, S., Takai, K., Horikoshi, K., and Sako, Y. (2003). Persephonella hydrogeniphila sp. nov., a novel thermophilic, hydrogen-oxidizing bacterium from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 53: 863-869. (IF=3.19, TC=43) [Pubmed]
    

45. 45. Sako, Y., Nakagawa, S., Takai, K., and Horikoshi, K. (2003). Marinithermus hydrothermalis gen. nov., sp. nov., a strictly aerobic, thermophilic bacterium from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 53: 59-65. (IF=2.87, TC=36) [Pubmed]
    

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