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首页> 外文期刊>Aquaculture Research >Expression profiles of nine biomineralization genes and their relationship with pearl nacre thickness in the pearl oyster, Pinctada fucata martensii Dunker
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Expression profiles of nine biomineralization genes and their relationship with pearl nacre thickness in the pearl oyster, Pinctada fucata martensii Dunker

机译：9个生物矿化基因的表达谱及其与珍珠牡蛎Pinctada fucata martensii Dunker的关系

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摘要

Pinctada fucata martensii is an ideal animal for study of biomineralization. Although dozens of genes have been identified, the molecular mechanism of biomineralization remains still unclear. The purpose here was to discover the expression profiles of nine biomineralization genes in related tissues: mantle edge (ME), mantle centre (MC) and pearl sac (PS), and to explore the relationships between expression level and nacre thickness. The expression levels of seven genes (ACCBP, aspein, CaM, EFCBP, KRMP, nacrein and prismalin-14) showed no significant difference between ME and MC, but were significantly higher than those in PS. The expression level of N19 was the same in ME and PS, significantly higher than that in MC. However, msi60 in ME, MC and PS showed no significant differences in expression level. In addition, the correlations of expression levels between ME, MC and PS were highly significant, indicating that there are some similar function and mechanism among the three tissues. Also the nine genes had significant correlation of expression levels between one another. Furthermore, no other genes from oysters which produced pearls of different grades showed significant difference in the expression level, except CaM in MC, which had significantly higher expression level in the medium pearl grade than in the plain nucleus grade. Moreover, the expression level of msi60 in MC of host oyster was significantly correlated with produced pearl layer thickness, suggesting that msi60 might play an important role in pearl formation and host oyster may also participate in the development of pearl.
机译：Pinctada fucata martensii是研究生物矿化的理想动物。尽管已鉴定出数十种基因，但生物矿化的分子机制仍不清楚。目的是发现9个生物矿化基因在相关组织中的表达谱：地幔边缘（ME），地幔中心（MC）和珍珠囊（PS），并探讨表达水平与珍珠层厚度之间的关系。 ME和MC之间的7个基因（ACCBP，阿斯匹林，CaM，EFCBP，KRMP，nacrein和prismalin-14）的表达水平没有显着差异，但显着高于PS。 ME和PS中N19的表达水平相同，明显高于MC。但是，ME，MC和PS中的msi60在表达水平上没有显着差异。另外，ME，MC和PS之间表达水平的相关性非常显着，表明这三种组织之间具有相似的功能和机制。九个基因之间的表达水平也具有显着的相关性。此外，除了在MC中的CaM在中珍珠等级的表达水平比在平核等级的表达水平显着更高之外，没有其他牡蛎产生不同等级的珍珠的基因在表达水平上有显着差异。此外，宿主牡蛎MC中msi60的表达水平与产生的珍珠层厚度显着相关，表明msi60可能在珍珠的形成中起重要作用，宿主牡蛎也可能参与珍珠的发育。

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