Recent Publications
論文・総説
2025年
- Asahi, K.a, Hirose, M.a, Aruga, R.a, Shimizu, Y.a, Tajiri, M.a, Tanaka, T., Adachi, Y., Tanaka, Y., Kaneko, M.K., Kato, Y., Akashi, S., Akiyama, Y., Hizukuri, Y.*, Kato, T.*, Nogi, T.* (2025). aequally contributed
Cryo-EM structure of the bacterial intramembrane metalloprotease RseP in the substrate-bound state. Sci. Adv., 11, 9, eadu0925.
DOI : 10.1126/sciadv.adu0925
京都大学HP
分解酵素は細胞膜の中でタンパク質をヘッドロックして切断する〜基質と結合した膜内タンパク質分解酵素の立体構造を解明〜 - Yokoyama. T.*, Miyazaki, R., Suzuki, T., Dohmae, N., Nagai, H., Tsukazaki, T., Kubori, T.*, Akiyama, Y.* (2025).
Cleavage cascade of the sigma regulator FecR orchestrates TonB-dependent signal transduction. Proc. Natl. Acad. Sci. U. S. A., 122, 16, e2500366122.
DOI : 10.1073/pnas.2500366122
京都大学HP
細菌が環境中の鉄の存在を「知る」しくみを解明 膜タンパク質の多段階切断を介して、細胞外の情報が細胞内へ伝達される
2024年
- Watanabe, A., Koyano, F., Imai, K., Hizukuri, Y., Ogiwara, S., Ito, T., Miyamoto, J., Shibuya, C., Kimura, M., Toriumi, K., Motono, C., Arai, M., Tanaka, K., Akiyama, Y., Yamano, K., Matsuda, N.* (2024).
The origin of esterase activity of Parkinson’s disease causative factor DJ-1 implied by evolutionary trace analysis of its prokaryotic homolog HchA. J. Biol. Chem., 300, 107476.
DOI : 10.1016/j.jbc.2024.107476 - Ikeda, Y., Miyazaki, R., Tsukazaki, T., Akiyama, Y., and Mori, H.* (2024).
Translation arrest cancellation of VemP, a secretion monitor in Vibrio, is regulated by multiple cis and trans factors, including SecY. J. Biol. Chem., 300, 107735.
DOI : 10.1016/j.jbc.2024.107735
2023年
- Yokoyama, T., Yamagata, Y., Honna, S., Mizuno, S., Katagiri, S., Oi, R., Nogi, T., Hizukuri, Y.*, and Akiyama, Y.* (2023).
S2P intramembrane protease RseP degrades small membrane proteins and suppresses the cytotoxicity of intrinsic toxin HokB. mBio, 14, e0108623.
DOI : 10.1128/mbio.01086-23
2022年
- Miyazaki, R., Ai, M.a, Tanaka, N. a, Suzuki, T., Dhomae, N., Tsukazaki, T., Akiyama, Y., and Mori, H.* (2022). aequally contributed
Inner membrane YfgM–PpiD heterodimer acts as a functional unit that associates with the SecY/E/G translocon and promotes protein translocation. J. Biol. Chem., 298, 102572.
DOI : 10.1016/j.jbc.2022.102572 - Imaizumi, Y.a, Takanuki, K.a, Miyake, T.a, Takemoto, M., Hirata, K., Hirose, M., Oi, R., Kobayashi, T., Miyoshi, K., Aruga, R., Yokoyama, T., Katagiri, S., Matsuura, H., Iwasaki, K., Kato, K., Kaneko, M. K., Kato, Y., Tajiri, M., Akashi, S., Nureki, N., Hizukuri, Y.*, Akiyama, Y.*, and Nogi, T.* (2022). aequally contributed
Mechanistic insights into intramembrane proteolysis by E. coli site-2 protease homolog RseP. Sci. Adv., 8(34), eabp9011.
DOI : 10.1126/sciadv.abp9011
京都大学HP
細胞膜の中ではたらく特殊なタンパク質分解酵素の構造を解明~細菌感染症の新たな治療法の開発へ期待~ - Qiao, Z., Yokoyama, T., Yan, X., Beh, I., Shi, J., Basak, S., Akiyama, Y.*, and Gao, Y.* (2022).
Cryo-EM structure of the entire FtsH-HflKC AAA protease complex. Cell Rep., 39, 110890.
DOI : 10.1016/j.celrep.2022.110890
2021年
- Miyazaki, R., Watanabe, T., Yoshitani, K., and Akiyama, Y.* (2021).
Edge-strand of BepA interacts with immature LptD on the β-barrel assembly machine to direct it to on- and off-pathways. eLife, 10:e70541.
DOI : 10.7554/eLife.70541 - Yokoyama, T., Niinae, T., Tsumagari, K., Imami, K., Ishihama, Y., Hizukuri, Y.*, and Akiyama, Y.* (2021).
The Escherichia coli S2P intramembrane protease RseP regulates ferric citrate uptake by cleaving the sigma factor regulator FecR. J. Biol. Chem., 296, 100673.
DOI : 10.1016/j.jbc.2021.100673 - Tamura-Sakaguchi, R., Aruga, R., Hirose, M., Ekimoto, T., Miyake, T., Hizukuri, Y., Oi, R., Kaneko, M. M., Kato, Y., Akiyama, Y., Ikeguchi, M., Iwasaki, K., and Nogi, T.* (2021).
Moving toward generalizable NZ-1 labeling for 3D structure determination with optimized epitope tag insertion. Acta Crystallogr. D Struct. Biol., 77, 645-662.
DOI : 10.1107/S2059798321002527
京都大学HP
タンパク質の抗体ラベリング技術を改良し、構造解析をアシスト -電子顕微鏡やX線結晶解析による構造決定を加速化-
2020年
- Miyazaki, R., Akiyama, Y., and Mori, H.* (2020).
Fine interaction profiling of VemP and mechanisms responsible for its translocation-coupled arrest-cancelation. eLife, 9, e62623.
DOI : 10.7554/eLife.62623 - Miyake, T., Hizukuri, Y.*, and Akiyama, Y*. (2020).
Involvement of a membrane-bound amphiphilic helix in substrate discrimination and binding by an Escherichia coli S2P peptidase RseP. Front. Microbiol., 11, 607381.
DOI : 10.3389/fmicb.2020.607381 - Daimon, Y.a, Narita, S.a, Miyazaki, R., Hizukuri, Y., Mori, H., Tanaka, Y., Tsukazaki, T., and Akiyama, Y.* (2020). aequally contributed
Reversible auto-inhibitory regulation of Escherichia coli metallopeptidase BepA for selective β-barrel protein degradation. Proc. Natl. Acad. Sci. U. S. A. 117, (45) 27989-27996.
DOI : 10.1073/pnas.2010301117