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Molecular Biology Reports

, Volume 41, Issue 11, pp 7067–7071 | Cite as

Aragonite shells are more ancient than calcite ones in bivalves: new evidence based on omics

  • Xiaotong Wang
  • Li Li
  • Yabing Zhu
  • Xiaorui Song
  • Xiaodong Fang
  • Ronglian Huang
  • Huayong Que
  • Guofan ZhangEmail author
Article

Abstract

Two calcium carbonate crystal polymorphs, aragonite and calcite, are the main inorganic components of mollusk shells. Some fossil evidences suggest that aragonite shell is more ancient than calcite shell for the Bivalvia. But, the molecular biology evidence for the above deduction is absent. In this study, we searched for homologs of bivalve aragonite-related and calcite-related shell proteins in the oyster genome, and found that no homologs of calcite-related shell protein but some homologs of aragonite-related shell proteins in the oyster genome. We explained the results as the new evidence to support that aragonite shells are more ancient than calcite shells in bivalves combined the published biogeological and seawater chemistry data.

Keywords

Crassostrea gigas Aragonite shell Calcite shell Aragonite sea Calcite sea Biomineralization 

Notes

Acknowledgments

This research was supported by the National Basic Research Program of China (973 Program) (no. 2010CB126401), the National Natural Science Foundation of China (no. 40730845 and 31302181), the earmarked fund for Modern Agro-industry Technology Research System, Taishan Scholar Program of Shandon and Taishan Scholars Climb Program of Shandong.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Xiaotong Wang
    • 1
  • Li Li
    • 1
  • Yabing Zhu
    • 2
  • Xiaorui Song
    • 1
  • Xiaodong Fang
    • 2
  • Ronglian Huang
    • 1
  • Huayong Que
    • 1
  • Guofan Zhang
    • 1
    Email author
  1. 1.National & Local Joint Engineering Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
  2. 2.BGI-ShenzhenShenzhenChina

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