Biocalcification of Corals and their Response to Global Climate Change

被引：0

作者：

Rahman, M. Azizur ^{[1
,2
]}

Shinjo, Ryuichi ^{[2
]}

机构：

[1] Ludwig Maximilians Univ Munchen, Dept Earth & Environm Sci, Palaeontol & Geobiol, Munich, Germany

[2] Univ Ryukyus, Dept Phys & Earth Sci, Okinawa, Japan

来源：

PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON BIOENVIRONMENT, BIODIVERSITY AND RENEWABLE ENERGIES (BIONATURE 2011) | 2011年

基金：

日本学术振兴会;

关键词：

biocalcification; coral mineralization; carbonic anhydrase; climate change; organic matrix; CARBONIC-ANHYDRASE; CO2; SEQUESTRATION; CALCIFIED ENDOSKELETON; PROTEINS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The response of calcifying marine organisms, especially from corals - arguably among the most biologically diverse and ecologically important ecosystems on the planet - could have a potential mitigating role in buffering atmospheric CO2. Here we report that the organic substances that participate in biocalcification in coral skeletons contain a carbonic anhydrase (CA) enzyme which is a biological catalyst responsible for the interconversion of CO2 and bicarbonate. Also, it appears that the internal physiological condition of the body of corals has precisely evolved to respond to external environmental conditions. We find that the CA in the organic matrix acts as "keys" to control those internal conditions to enable a response to external environmental change. This study of biocalcification process can be used as a tool for understanding coral mineralization in nature and global climate change, and also has implications for CO2 capture from the atmosphere.

引用

页码：51 / 54

页数：4

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