RNA tetraplex as a primordial peptide synthesis scaffold. - Takuya Umehara; Takahiro Kitagawa; Yu Nakazawa; Hinako Yoshino; Ryohei Nemoto; Koji Tamura (Biosyst., 2012)

Glycols modulate terminator stem stability and ligand-dependency of a glycine riboswitch. - Kokoro Hamachi; Hikari Hayashi; Miyuki Shimamura; Yuiha Yamaji; Ai Kaneko; Aruma Fujisawa; Takuya Umehara; Koji Tamura (Biosyst., 2013)

A method for single frame super resolution with inpainting based on sparse dictionary learning. - Takuya Umehara; Kazushi Mimura; Akira Hirabayashi (APSIPA, 2014)

A step into the RNA world: Conditional analysis of hydrogel formation of adenosine 5′-monophosphate induced by cyanuric acid. - Takumi Yokosawa; Ryota Enomoto; Sho Uchino; Ito Hirasawa; Takuya Umehara; Koji Tamura (Biosyst., 2017)

Effects of complementary loop composition in truncated R3C ligase ribozymes on kiss switch activation. - Kokoro Hamachi; Hiromi Mutsuro-Aoki; Kana Tanizawa; Ito Hirasawa; Takuya Umehara; Koji Tamura (Biosyst., 2019)

Amino acid activation analysis of primitive aminoacyl-tRNA synthetases encoded by both strands of a single gene using the malachite green assay. - Kazaha Onodera; Nana Suganuma; Haruka Takano; Yu Sugita; Tomoko Shoji; Ayaka Minobe; Narumi Yamaki; Riku Otsuka; Hiromi Mutsuro-Aoki; Takuya Umehara; Koji Tamura (Biosyst., 2021)

Elucidation of productive alanine recognition mechanism by Escherichia coli alanyl-tRNA synthetase. - Mayu Onoguchi; Riku Otsuka; Miki Koyama; Tadashi Ando; Hiromi Mutsuro-Aoki; Takuya Umehara; Koji Tamura (Biosyst., 2024)

Structural reduction of amino acid activating ribozyme KK13. - Kiichi Aizawa; Yusuke Saga; Mika Waida; Hiromi Mutsuro-Aoki; Takuya Umehara; Koji Tamura (Biosyst., 2025)