広島大学工学部第三類/大学院統合生命科学研究科 生物工学プログラム
海洋生物工学研究室

Publications

2023年

■Yoshiko Okamura* , Ryo Shimizu, Yoriko Tominaga , Sachiko Maki , Tsunehiro Aki , Yukihiko Matsumura , Yutaka Nakashimada. “Characterization of Biogenic PbS Quantum Dots” International Journal of Molecular Sciences, 24, 14149. (2023) https://doi.org/10.3390/ijms241814149

■Hiroto Maeda, Yuto Hirata, Hirokazu Takahashi, Kenshi Watanabe, Tsunehiro Aki, Yoshiko Okamura*. “Development of a Transformation System for Nitratireductor sp.” Marine Biotechnology, DOI: 10.1007/s10126-023-10198-4.

2022年

2021年

■ Yoshiko Okamura*, Hirokazu Takahashi, Atsuyuki Shiida, Yuto Hirata, Haruko Takeyama, Katsuhiko Suzuki. “Screening of Neutrophil Activating Factors from a Metagenome Library of Sponge-Associated Bacteria.” Marine Drugs, 19, 427. (2021) https://doi.org/10.3390/md19080427

■ Kyohei Horio, Hirokazu Takahashi, Toshiro Kobori, Kenshi Watanabe, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura*. “Visualization of gene reciprocity among lactic acid bacteria in yogurt by RNase H-assisted rolling circle amplification – fluorescence in situ hybridization” Microorganisms, 9, 1208. (2021) https://doi.org/10.3390/microorganisms9061208

■ Kenshi Watanabe, Charose Marie Ting Perez, Tomoki Kitahori, Kosuke Hata, Masato Aoi, Hirokazu Takahashi, Tetsushi Sakuma, Yoshiko Okamura, Yutaka Nakashimada, Takashi Yamamoto, Keisuke Matsuyama, Shinzo Mayuzumi, Tsunehiro Aki*. “Improvement of fatty acid productivity of thraustochytrid, Aurantiochytrium sp. by genome editing”, Journal of Bioscience and Bioengineering, 131(4), 373-380. (2021)

2020年

■ Hirokazu Takahashi+, Kyohei Horio+, Setsu Kato, Toshiro Kobori, Kenshi Watanabe, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura* (+; equally contributed) “Direct detection of mRNA expression in microbial cells by fluorescence in situ hybridization using RNase H-assisted rolling circle amplification” Scientific Reports, 10, 9588. (2020) http://doi:10.1038/s41598-020-65864-7

2019年

■ Madison Pascual Munar, Hirokazu Takahashi, Yoshiko Okamura*. “Discovery of a novel gene conferring tellurite tolerance through tellurite reduction to Escherichia coli transformant in marine sediment metagenomic library”, Marine Biotechnology, 21 (6), 762-772. (2019)

■ Yoshiko Okamura*, Laura Treu, Stefano Campanaro, Sena Yamashita, Shota Nakai, Hirokazu Takahashi, Kenshi Watanabe, Irini Angelidaki, Tsunehiro Aki, Yukihiko Matsumura, Yutaka Nakashimada. “Complete genome sequence of Nitratireductor sp. strain OM-1: A lipid-producing bacterium with potential use in wastewater treatment”, Biotechnology Reports, 24, e00366 (2019)

■ Charose Marie Ting Perez, Kenshi Watanabe, Yoshiko Okamura, Yutaka Nakashimada, Tsunehiro Aki* “Metabolite profile analysis of Aurantiochytrium limacinum SR21 grown on acetate-based medium for lipid fermentation” Journal of Oleo Science, 68, 541-549. (2019)

2018年

■Hirokazu Takahashi, Masahiko Ohkawachi, Kyohei Horio, Toshiro Kobori, Tsunehiro Aki, Yukihiko Matsumura, Yutaka Nakashimada, Yoshiko Okamura*. “RNase H-assisted RNA-primed rolling circle amplification for targeted RNA sequence detection”, Scientific Reports, 8, 7770. (2018)

■Kenshi Watanabe, Kim Hazel V Arafiles, Risa Higashi, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura, Yutaka Nakashimada, Tsunehiro Aki. “Isolation of Aurantiochytrium sp. mutants highly producing carotenoids and improvement of astaxanthin productivity using metabolic information.” Journal of Oleo Science, 67, 571-578. (2018)

■Takahisa Tajima, Kousuke Tomita, Hiroyuki Miyahara, Kenshi Watanabe, Tsunehiro Aki, Yoshiko Okamura, Yukihiko Matsumura, Yutaka Nakashimada, Junichi Kato, “Efficient conversion of mannitol derived from brown seaweed to fructose for fermentation with a thraustochytrid.” Journal of Bioscience and Bioengineering, 125, 180-184. (2018)