(57) Takako Awai, Ihsanawati, Takashi Toyooka, Yoshitaka Bessho, Shigeyuki Yokoyama, and Hiroyuki Hori, ”Substrate Recognition of Trm1 [tRNA (m22G26) methyltransferase] from Aquifex aeolicus.”, tRNA workshop 2007, Uppsala, Sweden, November 2007.

(58) Chie Tomikawa and Hiroyuki Hori, “Functions of the C-terminal region of thermophilic tRNA (m⁷G46) methyltransferase (TrmB)”, tRNA workshop 2007, Uppsala, Sweden, November 2007.

(60) Anna Ochi and Hiroyuki Hori, “Complex Formations between Artificial RNA-DNA Chimera Nucleic Acids and RNA Modification Enzymes”, 2007 International Symposium on Micro-NanoMechatronics and Human Science, Nagoya, November 2007

(61) Yuki Muneyoshi^１, Keisuke　Matsumoto^１, Chie　Tomikawa^１, Takashi　Toyooka^１, Anna Ochi^１, Takashi Masaoka^１、２, Yaeta Endo^{１, ２, ３}, Hiroyuki Hori^{１, ３} (^１Grad. Sch. Sci. and Eng., Ehime Univ., ^２Cell-Free Sci. Tech. Cen. ,Ehime Univ., ^３VBL, Ehime Univ.) “Hetero subunit interaction and RNA recognition of yeast tRNA (m⁷G46) methyltransferase synthesized in a wheat germ cell-free translation system”, 5th International Symposium on Nucleic Acids Chemistry, Tokyo, November 2007

(62) Anna Ochi, and Hiroyuki Hori, “Hydroxyl Radical Probing of tRNA (Gm18) methyltransferase [TrmH] -AdoMet-artificial tRNA ternary complex”, 5th International Symposium on Nucleic Acids Chemistry, Tokyo, November 2007

(63) Takashi Toyooka, and Hiroyuki Hori, “Differences in substrate selectivity of the new SPOUT superfamily of methyltransferases”, 5th International Symposium on Nucleic Acids Chemistry, Tokyo, November 2007

(59) Anna Ochi¹ and Hiroyuki Hori^1,2 “Chemical probing of tRNA-protein interface in TrmH–AdoMet-artificial tRNA ternary complex”, tRNA workshop 2007, Uppsala, Sweden, November 2007.