The development of two novel species-specific primers for identifying genus Crassostrea, with focus on C-sikamea and C-ariakensis

文献类型： 外文期刊

第一作者： Wang, Taoni

作者： Wang, Taoni;Quan, Weiming;Cheng, Qiqun;Fan, RuiLang;Wang, Taoni

作者机构：

关键词： Reef-forming oyster; Crassostrea sikamea; C. ariakensis; larvae identification; ecological restoration

期刊名称：MITOCHONDRIAL DNA PART B-RESOURCES （ 影响因子：0.658； 五年影响因子：0.674 ）

ISSN： 2380-2359

年卷期： 2018 年 3 卷 2 期

页码：

收录情况： SCI

摘要： Oyster reefs have important ecological functions and environmental service values, such as filtering water, providing fish habitats, maintaining biodiversity, and carbon sequestration. Oyster reef recovery has become one of the most important means for fishery resource conservation and ecosystems restoration of coastal regions. C. sikamea and C. ariakensis are two important reef oysters along the coast of China. However, it is very difficult to identify the larvae of these two oysters. To solve this problem, we developed two pairs of novel species-specific PCR primers for identifying these two oysters. The forward C. sikamea-specific primer is Cs-F: 5'-CGAAGAGGGGCATGATAAATGAGG-3', and the reverse primer is Cs-R: 5'-ATATGAACTTCTCCAACCTCCCC-3', both of them within the scope of mitochondrial ND5 gene. The forward C. ariakensis-specific primer is Ca-F: 5'-GGGCAAATAAAAGGCAAAACCC-3', located between tRNA(ser) and tRNA(pro), and the reverse primer is Ca-R: 5'-CATAAACTTCTGCAAGACTCCC-3', lies between tRNA(pro) and small subunit ribosomal RNA (ssrRNA). These two primers can identify the larvae of C. ariakensis and C. sikamea from other oysters rapidly and effectively, with extremely high accurate rate (=100%). This molecular identification method does not require prior sorting of larvae. These two specific primers are good contribution to molecular identification of C. sikamea, C. ariakensis and other oysters, and could be a useful tool for oyster larvae identification and ecological restoration.

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