定山渓にて Serendipity in Jozankei

定山渓へ行ってみようか。

研究室のメンバーの何人かと思いつきで定山渓へ。札幌駅からバスに揺られて約１時間で到着。短時間の調査で思わぬ発見がいくつも。

研究の醍醐味です！






＜好熱性硫黄不圴化反応細菌の発見＞
*. Kazuhiro Umezawa, Hisaya Kojima, Yukako Kato, Manabu Fukui. Dissulfurispira thermophila gen. nov., sp. nov., a thermophilic chemolithoautotroph growing by sulfur disproportionation, and proposal of novel taxa in the phylum Nitrospirota to reclassify the genus Thermodesulfovibrio. Systematic and Applied Microbiology, 2021. in press.　https://doi.org/10.1016/j.syapm.2021.126184



*. Kazuhiro Umezawa, Hisaya Kojima, Yukako Kato and Manabu Fukui. Disproportionatoin of inorganic sulfur compounds by a novel autotrophic bacterium belonging to Nitrospirota. Systematics and Applied Microbiology, 43: . 2020. https://doi.org/10.1016/j.syapm.2020.126110

＜嫌気的ヒ素酸化細菌の発見＞
*. Melody Christine Cabrera-Ospino, Hisaya Kojima and Manabu Fukui. Arsenite oxidation by a newly isolated betaproteobacterium possessing arx genes and diversity of the arx gene cluster in bacterial genomes. Frontiers in Microbiology. 2019. DOI: 10.3389/fmicb.2019.01210

*. Melody Cabrera Ospino, Hisaya Kojima, Tomohiro Watanabe, Tomoya Iwata and Manabu Fukui. Diversity of anaerobic arsenite-oxidizing bacteria in low-salt environments analyzed with a newly develoed PCR-based method. Limnology 19: 177-183. 2018.　https://doi.org/10.1007/s10201-018-0539-1

＜硫黄酸化細菌の発見＞
*. Hisaya Kojima, Miho Watanabe and Manabu Fukui. Sulfurivermis fontis gen. nov., sp. nov., a novel sulfur-oxidizing autotroph, and proposal of Thioprofundaceae fam. nov. International Journal of Systematic and Evolutionary Microbiology 67: 3458-3461. 2017. DOI 10.1099/ijsem.0.002137

*. Hisaya Kojima, Miho Watanabe, and Manabu Fukui. Sulfuritortus calidifontis gen. nov., sp. nov., a novel sulfur oxidizer isolated from a hot spring microbial mat. International Journal of Systematic and Evolutionary Microbiology 67:1355-1358. 2017. DOI: 10.1099/ijsem.0.001813