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Characterization of calcium deposition and shell matrix protein secretion in primary mantle tissue culture from the marine pearl oyster Pinctada fucata Gong, N.; Ma, Z.; Li, Q.; Li, Q.; Yan, Z.; Xie, L.; Zhang, R. (2008). Characterization of calcium deposition and shell matrix protein secretion in primary mantle tissue culture from the marine pearl oyster Pinctada fucata. Mar. Biotechnol. 10(4): 457-465. https://dx.doi.org/10.1007/s10126-008-9081-1 In: Marine Biotechnology. Springer-Verlag: New York. ISSN 1436-2228; e-ISSN 1436-2236

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Beschikbaar in	Auteurs
VLIZ: Non-open access 353956 [ aanvragen ]

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Trefwoorden

Biomineralization Cultures Mineralization Pinctada fucata (A. A. Gould, 1850) [WoRMS] Marien/Kust

Author keywords

primary culture; biomineralization; calcium deposition; matrix protein;Pinctada fucata

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Auteurs		Top
Gong, N. Ma, Z. Li, Q. Li, Q.	Yan, Z. Xie, L. Zhang, R.

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Abstract

In this study, we established and characterized a long-term primary mantle tissue culture from the marine pearl oyster Pinctada fucata for in vitro investigation of nacre biomineralization. In this culture system, the viability of mantle tissue cells lasted up to 2 months. The tissue cells were demonstrated to express nacre matrix proteins by RT-PCR, and a soluble shell matrix protein, nacrein, was detected in the culture medium by Western blot analysis. On the other hand, 15 days after initiating culture, a large amount of calcium deposits with major elements, including calcium, carbon, and oxygen, were generated in the mantle explants and cell outgrowth area. The quantity and size of calcium deposits increased with the prolonged cultivation, and their location and nanogranular structure suggested their biogenic origin. These calcium deposits specifically appeared in mantle tissue cultures, but not in heart tissue cultures. Taken together, these results demonstrate that the mantle tissue culture functions similarly to mantle cells in vivo. This study provides a reliable approach for the further investigation on nacre biomineralization at the cellular level.

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