公益社団法人 日本生物工学会

Vol. 135 (January–June 2023)

Urease-producing bacteria Pararhodobacter sp. hydrolyzes urea to bicarbonate and ammonium ions, leading to the formation of CaCO₃ (calcite, rhombohedral crystal) in the presence of calcium ion. Formed CaCO₃ can bind sand particles in water, which can be used for biocementation technique.

This image was taken by Hiranya Nawarathna in Nakashima group, Division of Sustainable Resources Engineering, Hokkaido University (https://bre.eng.hokudai.ac.jp/en/) (Copyright@2023 The Society for Biotechnology, Japan).

⇒JBBアーカイブ：Vol.107 (2009) ～最新号
⇒JBBアーカイブ：Vol. 93（2002）～Vol. 106（2008）