Glycolytic intermediates induce amorphous calcium carbonate formation in crustaceans |
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| Authors: | Sato Ai Nagasaka Seiji Furihata Kazuo Nagata Shinji Arai Isao Saruwatari Kazuko Kogure Toshihiro Sakuda Shohei Nagasawa Hiromichi |
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| Institution: | Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan. |
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| Abstract: | It has been thought that phosphorus in biominerals made of amorphous calcium carbonate (ACC) might be related to ACC formation, but no such phosphorus-containing compounds have ever been identified. Crustaceans use ACC biominerals in exoskeleton and gastroliths so that they will have easy access to calcium carbonate inside the body before and after molting. We have identified phosphoenolpyruvate and 3-phosphoglycerate, intermediates of the glycolytic pathway, in exoskeleton and gastroliths and found them important for stabilizing ACC. |
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