(137) Chie Tomikawa, Kazuo Ishida, Takashi Kunibayashi, Anna Ochi, Tamotsu Kanai, Akira Hirata, Chikako Iwashita, and Hiroyuki Hori, "Regulation of tRNA modification network by pseudouridine 55 in Thermus thermophilus.", 16th Annual Meeting of RNA Society (RNA 2011Kyoto), Kyoto, June 14-18, 2011
(138) Ryouta Yamagami, Koki Yamashita, Hiroshi Nishimasu, Ryuichirou Ishitani, Akira Hirata, Chikako Iwashita, Osamu Nureki, and Hiroyuki Hori, "Substrate tRNA recognition mechanism of FAD/folate-dependet tRNA m5U54 methyltransferase TrmFO.", 16th Annual Meeting of RNA Society (RNA 2011Kyoto), Kyoto, June 14-18, 2011
(139) T. Matsugi, A. Hirata, and H. Hori, “The crystal structure analysis and establishment of activity mesurement system of Thermus thermophilus tRNA(Um34,Cm34) methyltransferase [YibK]”, 第１回モデル生物丸ごと一匹学会・第１０回高度好熱菌連携会議、理研・播磨（SPring-8）、August 19, 2011
(141)長野 倫子, 平田 章, 石丸 雄基, 金井 保, 堀 弘幸、” 古細菌における2’−5’ RNA ligaseの構造機能解析”, RNAフロンティアミーティング、大府（愛知）、2011年8月30日
(140) H. Takuma, M. Minoji, N. Ushio, C. Tomikawa, A. Hirata, C. Iwashita, A. Ochi, and H. Hori, “Elucidation of substrate tRNA recognition mechanism by tRNA (m1A58) methyltransferase[TrmI] from Thermus thermophiles”, 第１回モデル生物丸ごと一匹学会・第１０回高度好熱菌連携会議、理研・播磨（SPring-8）、August 19, 2011
(142) 西田 裕、岡田和樹、平田 章、堀 弘幸、“酵母由来のtRNA (m2G10) methyltransferase (Trm11-Trm112)の機能解析”、RNAフロンティアミーティング、大府（愛知）、2011年8月30日
(144) Tomoko Nagano, Akira Hirata, Yuki Ishimaru, Tamotsu Kanai, and Hiroyuki Hori, "Structural and Functional Analysis of archaeal 2-5' RNA ligase.", Thermophiles 2011, Montana, USA, September 11-16, 2011
(143) Takuya Kawamura, Chie Tomikawa, Takayuki Ohira, Yasushi Inoue, Akihiko Yamagishi, Tsutomu Suzuki, and Hiroyuki Hori, "Transfer RNA modification in Thermoplasma Acidophilum.", Thermophiles 2011, Montana, USA, September 11-16, 2011