愛媛大学 沿岸環境科学研究センター 生態系解析部門(海洋分子生態学)

講師 横川太一

 
  • 2012年7月から現職
  • 2010年12月 愛媛大学沿岸環境科学研究センター 助教
  • 2009年4月 オランダ海洋研究所博士研究員
  • 2007年4月 日本学術振興会海外特別研究員(オランダ海洋研究所)
  • 2005年4月 21世紀COE研究員(京都大学生態学研究センター)
  • 2004年12月 日本学術振興会特別研究員PD(京都大学生態学研究センター)
  • 2004年11月 京都大学大学院理学研究科修了,博士(理学)
  • 2001年3月 北海道大学大学院水産科学研究科修了,修士(水産化学)
  • 1999年3月 北海道大学水産学部卒
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    原著・総説

    • Sato-Takabe Y, Suzuki S, Shishikura R, Hamasaki K, Tada Y, Kataoka T, Yokokawa T, Yoshie N, Suzuki S (in press) Spatial distribution and cell size of aerobic anoxygenic phototrophic bacteria in the Uwa Sea, Japan. J. Oceanogr
    • Lonborg C, Yokokawa T, Herndl GJ, Alvarez-Salgado XA (2015) Production and degradation of fluorescent dissolved organic matter in surface waters of the eastern north Atlantic ocean. Deep-Sea Res I 96:28-37
    • Thao NV, Obayashi Y, Yokokawa T, Suzuki S (2014) Coexisting protist-bacterial community accelerates protein transformation in microcosm experiments. Front Mar Sci doi: 10.3389/fmars.2014.00069
    • Miki T, Yokokawa T, Matsui K (2014) Biodiversity and multifunctionality in a microbial community: a novel theoretical approach to quantify functional redundancy. Proc R Soc B, doi: 10.1098/rspb.2013.2498
    • Yang Y, Yokokawa T, Motegi C, Nagata T (2014) Large-scale distribution of viruses in deep waters of the Pacific and Southern Oceans. Aquat Microb Ecol 71:193-202
    • Lekunberri I, Sintes E, De Corte D, Yokokawa T, Herndl GJ (2013) Spatial patterns of bacterial and archaeal communities along the Romanche fracture zone (tropical Atlantic). FEMS Microbiol Ecol, doi:10.1111/1574-6941.12142
    • Yokokawa T, Yang Y, Motegi C, Nagata T (2013) Large-scale geographical variation in prokaryotic abundance and production in meso- and bathypelagic zones of the central Pacific and Southern oceans. Limnol Oceanogr 58:61-73
    • De Corte D, Sintes E, Yokokawa T, Herndl GJ (2013) Comparison between MICRO-CARD-FISH and 16S rRNA gene clone libraries to assess the active versus total community in the coastal Arctic. Environ Microbiol Rep 5:272-281, doi:10.1111/1758-2229.12013
    • Baltar F, Aristegui J, Gasol J, Yokokawa T, Herndl GJ (2013) Bacterial versus archaeal origin of extracellular enzymatic activity in the northeast Atlantic deep waters. Microb Ecol 65:277-288, doi:10.1007/s00248-012-0126-7
    • Sintes E, Bergauer K, De Corte D, Yokokawa T, Herndl GJ (2013) Archaeal amoA gene diversity points to distinct biogeography of ammonia-oxidizing Crenarchaeota in the ocean. Enviorn Microbiol 15:1647-1658, doi:10.1111/j.1462-2920.2012.02801.x
    • Yokokawa T, Sintes E, De Corte D, Olbrich K, Herndl GJ (2012) Differentiating leucine incorporation of Archaea and Bacteria throughout the water column of the eastern Atlantic using metabolic inhibitors. Aquat Microb Ecol 66:247-256
    • De Corte D, Sintes E, Yokokawa T, Reinthaler T, Herndl GJ (2012) Links between viruses and prokaryotes throughout the water column along a North Atlantic latitudinal transect. The ISME journal 6:1566-1577, doi:10.1038/ismej.2011.214
    • De Corte D, Sintes E, Yokokawa T, Herndl GJ (2011) Changes in viral and bacterial communities during the ice-melting season in the coastal Arctic (Kongsfjorden, Ny-Alesund). Environ Microbiol 13:1827-1841, doi:10.1111/j.1462-2920.2011.02497.x
    • De Corte D, Sintes E, Winter C, Yokokawa T, Reinthaler T, Herndl GJ (2010) Links between viral and prokaryotic communities throughout the water column in the (sub) tropical Atlantic Ocean. The ISME journal 4:1431-1442, doi:10.1038/ismej.2010.65
    • Yang Y, Motegi C, Yokokawa T, Nagata T (2010) Large-scale distritution patterns of virioplankton in the upper ocean. Aquat Microb Ecol 60:233-246
    • Yokokawa T, De Corte D, Sintes E, Herndl GJ (2010) Spatial patterns of bacterial abundance, activity and community composition in relation to water masses in the Eastern Mediterranean Sea. Aquat Microb Ecol 59:185-195
    • Yokokawa T, Nagata T (2010) Linking bacterial community structure to carbon fluxes in marine environments. J Oceanogr 66:1-12
    • Nagata T, Tamburini C, Aristegui J, Baltar F, Bochdansky A, Fonda-Unami S, Fukuda H, Bobou A, Hnasell DA, Hansman RL, Herndl GJ, Panagiotopoulos C, Reinthaler T, Sohrin R, Verdugo P, Yamada N, Yamashita Y, Yokokawa T, Bartlett DH (2010) Emerging concepts on microbial processes in the bathypelagic ocean-ecology, biogeochemistry, and genomics. Deep-Sea Resserch II 57:1519-136
    • Meador TB, Gogou A, Spyres G, Herndl GJ, Krasakopoulou E, Psarrd S, Yokokawa T, De Corte D, Zervakis V, Repeta D (2010) Biogeochemical relationships between ultrafiltered dissolved organic matter and picoplankton activity in the Eastern Mediterranean Sea. Deep-Sea Reserch II 57:1460-1477
    • De Corte D, Yokokawa T, Varela MM, Agogue H, Herndl GJ (2008) Spatial distribution of Bacteria and Archaea and amoA gene copy numbers throughout the water column of the Eastern Mediterranean Sea. The ISME journal (Nature Publishing Group). doi:10.1038/ismej.2008.94
    • Miki T, Yokokawa T, Nagata T, Yamamura N (2008) Immigration of prokaryotes to local environments enhances remineralization efficiency of sinking particles: a metacommunity model. Marine Ecology Progress Series. 366:1-14
    • Miki T, Nakazawa T, Yokokawa T, Nagata T (2007) Functional consequences of viral impacts on bacterial communities: a food-web model analysis. Freshwater Biology. doi:10.1111/j.1365-2427.2007.01934.x.
    • Yokokawa T, Nagata T (2005) Growth and Grazing mortality rates of phylogenetic groups of bacterioplankton in coastal marine environments. Appl Environ Microbiol 71:6799-6807
    • Yokokawa T, Nagata T, Cottrell MT, Kirchman DL (2004) Growth rate of the major phylogenetic bacterial groups in the Delaware estuary. Limnol Oceanogr 49:1620-1629
    • Lee CW, Kudo I, Yokokawa T, Yanada M, Maita Y (2004) The role of microbial respiration of the occurrence of a suboxic layer in Funka Bay, Japan. In; Phang SM, Chong VC, Ho SC, Mokhar N, Ooi JLS (eds). Marine science into the New Milenium: New perspectives and Challenges. University of Malaya Research Center (UMMReC), Kuala Lumpur: 240229
    • Lee CW, Kudo I, Yokokawa T, Yanada M, Maita Y (2002) Dyanmics of bacterial respiration and related growth efficiency, dissolved nutrients and dissolved oxygen concentration in a subarctic coastal embayment. Marine and Freshwater Research 53:1-7
    • Yanada M, Yokokawa T, Lee CW, Tanaka H, Kudo I, Maita Y (2000) Seasonal variation of two different heterotrophic bacterial assemblages in subarctic coastal seawater. Mar Ecol Prog Ser 204:289-292

    著作・総説 (日本語)

    • 横川太一 (in press) 細菌群集多様性の動態を生態系評価にいかにとりこむか.日本生態学会誌
    • 松井一彰,横川太一,上田 匡邦,道越 祐一,水口 亜樹,松田 裕之,三木 健 (in press) カルタヘナ議定書にある「生物の多様性の保全及び持続可能な利用への影響」はどのように評価できるのか?:まとめと今後の展望.日本生態学会誌
    • 横川太一 (2011) 細菌群集が支える海洋物質循環.共立出版 (シリーズ 現代の生態学11,微生物の生態学 13章 (大園享司,鏡味麻衣子 編))
    • 横川太一 (2007) 海洋における細菌群集の動態と有機物の動態との連関.日本生態学会誌57:383-389
    • 三木健,松井一彰,横川太一,西田貴明,小林由紀,内井喜美子 (2007) マイクロビアルプールと生物多様性.日本生態学会誌57:424-431
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    主な研究課題

    • 生物多様性の消失と生態系基盤サービスの劣化予測:微小生態系実験を用いた定量的解析.住友財団 環境研究助成(共同研究)(2014年11月-2015年11月)
    • 抗生物質流出による水圏微生物群集の応答解析および腐食食物網への影響評価.科研費,若手研究(B)(2013年4月ー2015年3月)
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