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Identifying Mechanically Triggered Settling Mechanism of Pyropia yezoensis Carpospore
Sinyang KIM,Ji Woong LEE,Gwang Hoon KIM,Dong Soo HWANG 한국생물공학회 2021 한국생물공학회 학술대회 Vol.2021 No.10
Macroalgae forests which are most important ecological niche underwater has been demonstrated for decades by human activities. Many countries have tried macroalgae afforestation, understanding settling mechanism of the algal spore in molecular level needs to be studied to make efficient macroalgae afforestation. Here, in this study, we study how mechanical stimulus triggers the settling signaling pathway of the algal spore on an intra cellular and extra cellular view. Regarding with intracellular mechanism, we previously found that stiffness of the substrate affects many morphological aspect of the settling spore, and it is speculated that mechanosensing membrane protein intakes calcium cation when it meets a substrate triggering calcium mediated signaling pathway. Regarding with extra cellular mechanism, few studies reported that there are some adhesive EPS proteins in algal spores and but any of the adhesive proteins have not reported in Pyropia yezoesnsis’ carpospore. We found that there are adhesive EPS protein candidates in the P. yezoensis spore from LC-MS/MS analysis of spore’s EPS. Further experiments to identify more specific mechanism of the spore’s settling mechanism is still proceeding.