• Jia, H., Hanate, M., Aw, W., Itoh, H., Saito, K., Kobayashi, S., Hachimura, S., Fukuda, S., Tomita, M., Hasebe, Y., Kato, H.: Eggshell membrane powder ameliorates intestinal inflammation by facilitating the restitution of epithelial injury and alleviating microbial dysbiosis. Sci. Rep. 7: 43993 (2017).
  • Masuda, Y*., Itoh, H.*, Shiratori, Y., Isobe, K., Otsuka, S., Senoo, K.: Predominant but previously-overlooked prokaryotic drivers of reductive nitrogen transformation in paddy soils, revealed by metatranscriptomics. Microbes Environ. 32:180-183 (2017). (*Equal contributions)
  • Mergaert, P., Kikuchi, Y., Shigenobu, S., Nowack, E.C.M.: Metabolic integration of bacterial endosymbionts through antimicrobial peptides. Trends Microbiol. 25:703-712 (2017).
  • Takeshita, K., Kikuchi, Y.: Riptortus pedestris and Burkholderia symbiont: an ideal model system for insect–microbe symbiotic associations. Res. Microbiol. 168:175-187 (2017).
  • Igarashi, K., Kato, S.: Extracellular electron transfer in acetogenic bacteria and its application for conversion of carbon dioxide into organic compounds. Appl. Microbiol Biotechnol. 101:6301-6307 (2017).
  • Kato, S., Kanata, Y., Kitagawa, W., Sone, T., Asano, K., Kamagata, Y.: Restoration of the growth of Escherichia coli under K+-deficient conditions by Cs+ incorporation via the K+ transporter Kup. Sci. Rep. 7:1965 (2017).
  • Ishikawa, M., Tanaka, Y., Suzuki, R., Kimura, K., Tanaka, K., Kamiya, K., Ito, H., Kato, S., Kamachi, T., Hori, K., Nakanishi, S.: Real-time monitoring of intracellular redox changes in Methylococcus capsulatus (Bath) for efficient bioconversion of methane to methanol. Bioresour Technol. 241:1157-1161 (2017).
  • Tanaka, K., Kaneko, M., Ishikawa, M., Kato, S., Ito, H., Kamachi, T., Kamiya, K., Nakanishi, S.: Specific interaction between redox phospholipid polymers and plastoquinone in photosynthetic electron transport chain. ChemPhysChem. 18:878-881 (2017).
  • Kato, S.: Influence of anode potentials on current generation and extracellular electron transfer paths of Geobacter species. Int. J. Mol. Sci. 18:108 (2017).
  • Kaneko, M., Ishikawa, M., Song, J., Kato, S., Hashimoto, K., Nakanishi, S.: Cathodic supply of electrons to living microbial cells via cytocompatible redox-active polymers. Electrochem. Commun. 75:17-20 (2017).
  • Itoh, H., Matsuura, Y., Hosokawa, T., Fukatsu T., Kikuchi, Y.: Obligate gut symbiotic association in the sloe bug Dolycoris baccarum (Hemiptera: Pentatomidae). Appl. Entomol. Zool. 52:51-59 (2017).
  • Lee, J. B., Park, K. E., Lee, S. A., Jang, S. H., Eo, H. J., Jang, H. A., Kim, C. H., Ohbayashi, T., Matsuura, Y., Kikuchi, Y., Futahashi, R., Fukatsu, T., Lee, B. L.: Gut symbiotic bacteria stimulate insect growth and egg production by modulating hexamerin and vitellogenin gene expression. Dev. Comp. Immunol. 69:12-22 (2017).
  • Yoshimune, K., Yamamoto, M., Aoyagi, T., Yumoto, I.: High and rapid L-lactic acid production by alkaliphilic Enterococcus sp. by adding wheat bran hydrolysate. Ferment. Technol. 6:1 (2017).
  • Kuwabara, T., Igarashi, K.: Progeny production in the periplasm of Thermosipho globiformans. Extremophiles 21: 805-815 (2017)
  • Okamoto, T., Aino, K., Narihiro, T., Matsuyama, H., Yumoto, I.: Analysis of microbiota involved in the aged natural fermentation. World J. Microbiol. Biotechnol. 33:70 (2017).
  • Nishita, M., Hirota, K., Matsuyama H., Yumoto, I.: Development of media to accelerate the isolation of indigo-reducing bacteria, which are difficult to isolate using conventional media. World J. Microbiol. Biotechnol.33:133 (2017).
  • Tanaka, M., Endo S., Kotake F, Al-saari, N., Amin, A.K.M.R, Feng, G., Mino, S., Doi, H. Ogura, Y., Hayashi T., Suda, W., Masahira Hattori, M., Yumoto I., Sawabe, T., Sawabe T., Araki, T. Vibrio aphrogenes sp. nov., in the Rumoiensis clade isolated from a seaweed PLOS ONE journal.pone.0180053 June 29, (2017).
  • Hirota, K., Nishita, M., Matsuyama H., Yumoto, I.:Paralkalibacillus indicireducens gen., nov., sp. nov., an indigo-reducing obligate alkaliphile isolated from indigo fermentation liquor for dyeing. Int. J. Syst. Evol. Microbiol. in press (2017).


  • Kato, S., Goya, E., Tanaka, M., Kitagawa, W., Kikuchi, Y., Asano, K., Kamagata, Y.: Enrichment and isolation of Flavobacterium strains with tolerance to high concentrations of cesium ion. Sci. Rep. 6:20041 (2016).
  • Kato, S.: Microbial extracellular electron transfer and its relevance to iron corrosion. Microbial Biotechnol. 9:141-148 (2016).
  • Terashima, M., Yama, A., Sato, M., Yumoto, I., Kamagata, Y., Kato, S.: Culture-dependent and -independent identification of polyphosphate-accumulating Dechloromonas spp. predominating in a full-scale oxidation ditch wastewater treatment plant. Microbes Environ. 31:449-455 (2016).
  • Song, J., Sasaki, D., Sasaki, K., Kato, S., Kondo, A., Hashimoto, K., Nakanishi, S.: Comprehensive metabolomic analyses of anode-respiring Geobacter sulfurreducens cells: the impact of anode-respiration activity on intracellular metabolite levels. Process Biochem. 51:34-38 (2016).
  • Hosokawa, T., Matsuura, Y., Kikuchi, Y., Fukatsu, T.: Recurrent evolution of gut symbiotic bacteria in pentatomid stinkbugs. Zoological Lett. 2:24 (2016).
  • Kikuchi, Y., Tada, A., Musolin, D. L., Hari, N., Hosokawa, T., Fujisaki, K., Fukatsu, T.: Collapse of Insect gut symbiosis under simulated Climate Change. mBio 7:e01578-01516.
  • Kuechler, S. M., Matsuura, Y., Dettner, K., Kikuchi, Y.: Phylogenetically diverse Burkholderia associated with midgut crypts of spurge bugs, Dicranocephalus spp. (Heteroptera: Stenocephalidae). Microbes Environ. 31:145-153 (2016).
  • Sudakaran, S., Retz, F., Kikuchi, Y., Kost, C., Kaltenpoth, M.: Evolutionary transition in symbiotic syndromes enabled diversification of phytophagous insects on an imbalanced diet. ISME J. 9: 2587-2604 (2016).
  • Goto, T., Hirabayashi, T., Morimoto, H., Yamazaki, K., Inoue, N., Matsuyama, H., Yumoto, I.: Contribution of intracellular negative ion capacity to Donnan effect across the membrane in alkaliphilic Bacillus spp. J. Bioenerg. Biomembr. 48:87-96 (2016).
  • Hirota, K., Yokota, Y., Sekimura, T., Uchiumi, H., Guo, Y., Ohta, H., Yumoto, I.: Bacterial communities in different locations, seasons and segments of a dairy wastewater treatment system consisting of six segments. J. Environ. Sci. 45:109-115 (2016).
  • Hirota, K., Aino, K, Yumoto, I.: Fermentibacillus polygoni gen. nov., sp. nov., an alkaliphile that reduces indigo dye. Int. J. Syst. Evol. Microbiol. 66:2247-2253 (2016).
  • Sae-Tang, P., Hihara, Y., Yumoto, I., Orikasa, Y., Okuyama, H., Nishiyama, Y.: Overexpression superoxide dismutase and catalase act synergistically to protect the repair of PS II during photoinhibition in Synechococcus elongates PCC 7942. Plant Cell Physiol. 57:1899-1907 (2016).
  • Hirota, K., Okanoto, T., Matsuyama, H., Yumoto, I.: Polygonibacillus indicireducens gen. nov., sp. nov., an indigo-reducing and obligate alkaliphile isolated from indigo fermentation liquor for dyeing. Int. J. Syst. Evol. Microbiol. 66:2247-2253 (2016).
  • Igarashi, K., Yamamura, Y., Kuwabara, T.: Natural synthesis of bioactive greigite by solid-gas reactions. Geochim. Cosmochim. Acta 191:47-57 (2016)
  • Igarashi, K., Kuwabara, T.: Hydrogen sulfide-free methane production by fermenter–methanogen syntrophy using dacite pumice under aerobic gas phase. Energy & Fuels 30:4945-4950 (2016)


  • Kouzuma, A., Kato, S., Watanabe, K.: Microbial interspecies interactions: recent findings in syntrophic consortia. Front. Microbiol. 6:477 (2015).
  • Ohbayashi, T., Takeshita, K., Kitagawa, W., Nikoh, N., Koga, R., Meng, X. Y., Tago, K., Hori, T., Hayatsu, M., Asano, K., Kamagata, Y., Lee, B. L., Fukatsu, T., Kikuchi, Y.: Insect’s intestinal organ for symbiont sorting. Proc. Natl. Acad. Sci. USA. 112:5179-5188 (2015).
  • Lee, J. B., Byeon, J. H., Jang, H. A., Kim, J. K., Yoo, J. W., Kikuchi, Y., Lee, B. L.: Bacterial cell motility of Burkholderia gut symbiont is required to colonize the insect gut. FEBS Lett. 589:2784-2790. (2015).
  • Matsuura, Y., Kikuchi Y., Miura. T., Fukatsu, T.: Ultrabithorax is essential for bacteriocyte development. Proc. Natl. Acad. Sci. USA. 112: 9376-9381 (2015).
  • Hosokawa, T., Kaiwa N, Matsuura, Y., Kikuchi, Y., Fukatsu, T.: Infection prevalence of Sodalis symbionts among stinkbugs. Zoological Lett. 1:5 (2015).
  • Takeshita, K., Matsuura, Y., Itoh, H., Navarro, R., Hori, T., Sone, T., Kamagata, Y., Mergaert, P., Kikuchi, Y.: Burkholderia of plant-beneficial group are symbiotically associated with bordered plant bugs (Heteroptera: Pyrrhocoroidea: Largidae). Microbes Environ. 30:321-329 (2015).
  • Tago, K., Kikuchi, Y., Nakaoka, S., Katsuyama, C., Hayatsu, M.: Insecticide applications to soil contribute to the development of Burkholderia mediating insecticide resistance in stinkbugs. Mol. Ecol. 24: 3766-3778 (2015).
  • Navarro, R. R., Aoyagi, T., Kimura, M., Itoh, H., Sato, Y., Kikuchi, Y., Ogata, A., Hori, T.: High resolution dynamics of microbial communities during dissimilatory selenate reduction in an anoxic soil. Environ. Sci. Technol. 49: 7684–7691 (2015).
  • Aoyagi, T., Hanada, S., Itoh, H., Sato, Y., Ogata, A., Friedrich, M. W., Kikuchi, Y., Hori, T.: Ultra-high-sensitivity stable-isotope probing of rRNA by high-throughput sequencing of isopycnic centrifugation gradients. Environ. Microbiol. Rep. 7: 282-287 (2015).
  • Tago, K., Okubo, T., Itoh, H., Kikuchi, Y., Hori, T., Sato, Y., Nagayama, A., Hayashi, K., Ikeda, S., Hayatsu, M.: Insecticide-degrading Burkholderia symbionts of the stinkbug naturally occupy various environments of sugarcane fields in a southeast island of Japan. Microbs Environ. 30: 29-36 (2015).
  • Tago, K., Okubo, T., Shimomura, Y., Kikuchi, Y., Hori, T., Nagayama, A., Hayatsu, M.: Environmental factors shaping the community structure of ammonia-oxidizing bacteria and archaea in sugarcane field soil. Microbs Environ. 30: 21-28 (2015).
  • Kato S., Yumoto I., Kamagata Y.: Isolation of acetogenic bacteria that induce biocorrosion by utilizing metallic iron as the sole electron donor. Appl. Environ. Microbiol. 81:67-73 (2015).
  • Kato S.: Biotechnological aspects of microbial extracellular electron transfer. Microbes Environ. 30:133-139 (2015).
  • Yamada C., Kato S., Ueno Y., Ishii M., Igarashi Y.: Conductive iron oxides accelerate thermophilic methanogenesis from acetate and propionate. J. Biosci. Biotechnol. 119:678-682 (2015).
  • Nishio K., Pornpitra T., Izawa S., Nishiwaki-Ohkawa T., Kato S., Hashimoto K., Nakanishi S.: Electrochemical detection of circadian redox rhythm in cyanobacterial cells via extracellular electron transfer. Plant Cell Physiol. 56:1053-1058 (2015).
  • Aoyagi T., Kimura M., Yamada N., Navarro R.R., Itoh H., Ogata A., Sakoda A., Katayama Y., Takasaki M., Hori T.: Dynamic transition of chemolithotrophic sulfur-oxidizing bacteria in response to amendment with nitrate in deposited marine sediments. Front. Microbiol. 6:426 (2015).
  • Hori T., Aoyagi T., Itoh H., Narihiro T., Oikawa A., Suzuki K., Ogata A., Friedrich M.W., Conrad R., Kamagata Y.: Isolation of microorganisms involved in reduction of crystalline iron(III) oxides in natural environments. Front. Microbiol. 6:386 (2015).
  • Tsuji, M., Yokota, Y., Kudoh, S., Hoshino, T.: Comparative analysis of milk fat decomposition activity by Mrakia genus isolated from Skarvsnes ice-free area,East Antarctica. Cryobiology 70: 293-296 (2015).
  • Hanaoka, Y., Yumoto, I.: Manipulation of culture condition for extensive extracellular catalase production by Exiguobacterium oxidotolerans T-2-2T. Ann. Microbiol. 65: 1183-1187 (2015).
  • Matsuyama, H., Minami, H., Sakaki, T., Kasahara, H., Watanabe, A., Onoda, T., Hirota, K., Yumoto, I.: Psychrobacter oceani sp. nov., isolated from marine sediment. Int. J. Syst. Evol. Microbiol. 65:1450-1455 (2015).
  • Matsuyama, H., Minami, H., Sakaki, T., Kasahara, H., Hirota, K., Yumoto, I.: Alteromonas gracilis sp. nov., a marine polysaccharide-producing bacterium. Int. J. Syst. Evol. Microbiol. 65:1498-1503 (2015).


  • Itoh, H., Aita, M., Nagayama, A., Meng, X. Y., Kamagata, Y., Navarro, R., Hori, T., Ohgiya, S., Kikuchi, Y.: Evidence of environmental and vertical transmission of Burkholderia symbionts in the oriental chinch bug, Cavelerius saccharivorus (Heteroptera: Blissidae). Appl. Environmen. Microbiol. 80: 5974-5983 (2014).
  • Itoh, H., Navarro, R., Takeshita, K., Tago, K., Hayatsu, M., Hori, T., Kikuchi, Y.: Bacterial population succession and adaptation affected by insecticide application and soil spraying history. Front. Microbiol. 5: 457 (2014).
  • Kikuchi, Y., Fukatsu, T.: Live imaging of symbiosis: spatiotemporal infection dynamics of a GFP-labelled Burkholderia symbiont in the bean bug Riptortus pedestris. Mol. Ecol. 23: 1445-1456 (2014).
  • Kim, J. K., Han, S. H., Kim, C. H., Jo, Y. H., Futahashi, R., Kikuchi, Y., Fukatsu, T., and Lee, B. L.: Molting-associated suppression of symbiont population and up-regulation of antimicrobial activity in the midgut symbiotic organ of the Riptortus-Burkholderia symbiosis. Devel. Comp. Immunol. 43: 10-14 (2014).
  • Kim, J. K., Jang, H. A., Won, Y. J., Kikuchi, Y., Han, S. H., Kim, C. H., Nikoh, N., Fukatsu, T., Lee, B. L.: Purine biosynthesis-deficient Burkholderia mutants are incapable of symbiotic accommodation in the stinkbug. ISME J. 8: 552-563 (2014).
  • Tago, K., Itoh, H., Kikuchi, Y., Hori, T., Sato, Y., Nagayama, A., Okubo, T., Navarro, R., Aoyagi, T., Hayashi, K., Hayatsu, M.: A fine-scale phylogenetic analysis of free-living Burkholderia species in sugarcane field soil. Microbes Environ. 29: 434-437 (2014).
  • Takeshita, K., Shibata, T. F., Nikoh, N., Nishiyama, T., Hasebe, M., Fukatsu, T., Shigenobu, S., Kikuchi, Y.: Whole-genome sequence of Burkholderia sp. strain RPE67, a bacterial gut symbiont of the bean bug Riptortus pedestris. Genome Announc. 2: e00556-14 (2014).
  • Kato S., Yoshida R., Yamaguchi T., Sato T., Yumoto I., Kamagata Y.: The effects of elevated CO2 concentration on competitive interaction between aceticlastic and syntrophic methanogenesis in a model microbial consortium. Front. Microbiol. 5:575 (2014).
  • Kato S., Sasaki K., Watanabe K., Yumoto I., Kamagata Y.: Physiological and transcriptomic analyses of a thermophilic, aceticlastic methanogen Methanosaeta thermophila responding to ammonia stress. Microbes Environ. 29:162-167 (2014).
  • Yamada C., Kato S., Kimura S., Ishii M., Igarashi Y.: Reduction of Fe(III) oxides by phylogenetically and physiologically diverse thermophilic methanogens. FEMS Microbiol. Ecol. 89:637-645 (2014).
  • Yamada C., Kato S., Ueno Y., Ishii M., Igarashi Y.: Inhibitory effects of ferrihydrite on a thermophilic methanogenic community. Microbes Environ. 29:227-230 (2014).
  • Lu Y., Nishio K., Matsuda S., Toshima Y., Ito H., Konno T., Ishihara K., Kato S., Hashimoto K., Nakanishi S.: Regulation of the cyanobacterial circadian clock by electrochemically controlled extracellular electron transfer. Angew. Chem. Int. Ed. 53:2208-2211 (2014).
  • Tanaka T., Kawasaki K. (equally contributed 1st author), Daimon S., Kitagawa W., Yamamoto K., Tamaki H., Tanaka M., Nakatsu C.H., Kamagata Y.: A hidden pitfall in agar media preparation undermines cultivability of microorganisms, Appl. Environ. Microbiol. 80: 7659-7666 (2014).
  • Tsuji, M., Yokota, Y., Kudoh, S., Hoshino, T: Improvement of direct ethanol fermentation from woody biomasses by Antarctic basidiomycetous yeast Mrakia blollopis under a low temperature condition. Cryobiology 68: 303-305 (2014).
  • Tsuji, M., Yokota, Y., Kudoh, S., Hoshino, T: Effects of Nitrogen Concentration and culturing temperature on lipase secretion and morphology of the Antarctic Basidiomycetous yeast Mrakia blollopis. Int. J. Res. Eng. Sci. 2: 49-54 (2014).
  • 横田祐司, 遠藤駿介, 湯本勳低温下におけるパーラー排水の活性汚泥処理. 工業用水625: 80-84(2014).
  • Narihiro, T., Suzuki, A, Yoshimune, K., Hori, T., Hoshino, T., Yumoto, I., Yokota, A., Kimura, N., Kamagata Y.: The combination of functional metagenomics and oil-fed enrichment strategy revealed the phylogenetic diversity of lipolytic bacteria overlooked by the cultivation-based method. Microbes. Environ. 29:154-161 (2014).
  • Hirota, K., Hanaoka, Y., Nodasaka, Y., Yumoto, I.: Gracilibacillus alcaliphilus sp. nov., a facultative alkaliphile isolated from indigo fermentation liquor for dyeing. Int. J. Syst. Evol. Microbiol. 64: 3174-3180 (2014).
  • Nishio K., Kimoto Y., Song J., Konno T., Ishihara K., Kato S., Hashimoto K., Nakanishi S.: Extracellular electron transfer enhances polyhydroxybutyrate productivity in Ralstonia eutropha. Environ. Sci. Technol. Lett. 1:40-43 (2014).

2. 総説・著書


  • 五十嵐健輔: ナノ炭素素材グラフェンがつくる明るい未来. 生物工学会誌. 95 pp141 (2017)


  • 伊藤英臣: 土壌微生物が斑点米カメムシを育む. 土と微生物. 70 pp87 (2016)
  • 加藤創一郎: 電気を食べる微生物が引き起こす鉄腐食. バイオサイエンスとインダストリー. 74 pp522-523 (2016).
  • 加藤創一郎: 酸素の要らない「酢酸生成菌」の世界. 生物工学会誌. 94 pp744 (2016).
  • 星野保, 辻雅晴, 横田祐司, 工藤栄, 内海洋, 湯本勲: 南極産酵母の環境適応機構の解明とその産業利用. 生物工学会誌 94 (6) 329-331 (2016)
  • Yumoto, I.: How alkaliphiles produce energy to sustain their life under extremely low proton concentrations. Atlas of Science June 27 (2016)


  • 加藤創一郎: 微生物間の電子移動に基づく共生. 難培養微生物研究の最新技術III(シーエムシー出版)pp155-162 (2015).
  • 伊藤英臣, 菊池義智: 昆虫に新機能を賦与する微生物. 難培養微生物研究の最新技術Ⅲ (シーエムシー出版) pp. 95-10 (2015).
  • 伊藤英臣: 昆虫と土壌微生物の共生:農業害虫カメムシ-土壌間の殺虫剤分解菌の動態解明. 日本土壌壌微生物学会誌. 69-1 pp. 34-38 (2015).
  • Matsuno, T., Yumoto, I.: Bioenergetic and role of soluble cytochromes c for alkaline adaptation in Gram-negative alkaliphilic Pseudomonas. BioMed Res. Int. 2015 847945 (2015).
  • 湯本 勳、松野敏英: 好アルカリ性細菌のエネルギー代謝機構から見たチトクロムcの多機能、化学と生物 53, pp156-163 (2015).


  • 加藤創一郎: 鉄で呼吸する. 環境と微生物の事典 (朝倉書店) pp. 80-81 (2014).
  • 加藤創一郎: 細胞外電子伝達:固体を呼吸基質とする微生物たち. 微生物生態学会和文誌. 29 pp65-75 (2014).
  • Yumoto, I., K. Hirota, and K. Nakajima: Alkalibacterium. In Lactic Acid Bacteria – Biodiversity and Taxonomy. Eds, Holzapfel W and Wood BB, Blackwell, UK, pp 147-158 (2014).

3. 特許

  • 湯本勳、広田菊江、本村信人:有機物分解用複合菌、有機性廃棄物処理法、有機肥料製造方法、および菌床. 特6074673 (2017.1)
  • 星野保, 横田祐司, 辻雅晴, 湯本勲, 工藤栄: 乳脂肪分解能を有する南極産担子菌酵母及びその利用方法.> 特5867954 (2016.1)
  • Kawasaki, K., Morita, Y., Ohgiya, S., Ohmiya, Y., Ohyama, H.: Mutant luciferase. 2452457(2011 英国特許)
  • Sahara, T., Ohgiya, S., Goda, T., Kawasaki, K.: Yeast-origin promoter and vector and expression system using the same. 7371847 (2008 米国特許)
  • 橋本和仁中村龍平甲斐文祥渡邉一哉加藤創一郎: Microbial fuel cell, EP2270915-A1, 2011.1.5 [国外特許 登録]
  • 橋本和仁中村龍平甲斐文祥渡邉一哉加藤創一郎:微生物燃料電池WO2009119846-A1, 2009.10.1 [国内特許 登録]
  • 星野保,伊藤路子,津田栄,近藤英昌,横田祐司湯本勳,扇谷悟:担子菌類の産生する不凍タンパク質. 425790(2009)
  • Hoshino, T., Kiriaki, M., Tsuda, S., Ohgiya, S., Kondo, H., Yokota, Y., Yumoto, I.: Antifreeze proteins from basidiomycetes. Patent No. US 7,442,769 B2 (Oct. 28, 2008).
  • 岡崎智鶴子,三田直樹,永石博志,湯本勲,池田光二:新規な含水試料の簡便かつ迅速乾燥方法. 特許第4102883号 (2008. 4.4)
  • 原功,近藤英昌,湯本勳高速反応カタラーゼの製造方法. 特開2008-306963 (2008.12.25)
  • 中島健二,湯本勳,広田菊江:インジゴ還元微生物及び当該インジゴ還元微生物を用いたインジゴの還元方法. 特許第4257978号 (2009.2.20)
  • 武部史彦,行方将泰,広田菊江,湯本勳高機能硝化細菌及び当該細菌を用いた尿素又はアンモニアの浄化方法. 特許第4352146号 (2009.8.7)
  • 湯本勳,田中真紀子,山平佳子:高機能脱窒油脂分解菌当該高機能脱窒油脂分解菌を用いた排水処理方法. 特許第4416470号 (2009.12.4)
  • 湯本勳,吉宗一晃,広田菊江,松山英俊,木元英之:高活性カタラーゼ産生微生物及びその使用. 特開2009-296926 (2009.12.24)

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茨城県つくば市東1-1-1 中央第6