期刊
MARINE BIOTECHNOLOGY
卷 12, 期 5, 页码 558-568出版社
SPRINGER
DOI: 10.1007/s10126-009-9242-x
关键词
Half-smooth tongue sole; BAC library; Sex determination; Female-specific marker; Sex-related gene; Cynoglossus semilaevis
资金
- State 863 High-Technology R&D Project of China [2006AA10A403]
- Shandong Genetic Improvement Key Project for Agricultural Organism
- Taishan Scholar Project of Shandong Province
Half-smooth tongue sole (Cynoglossus semilaevis) is an increasingly important aquaculture species in China. It is also a tractable model to study sex chromosome evolution and to further elucidate the mechanism of sex determination in teleosts. Two bacterial artificial chromosome (BAC) libraries for C. semilaevis, with large, high-quality inserts and deep coverage, were constructed in the BamHI and HindIII sites of the vector pECBAC1. The two libraries contain a total of 55,296 BAC clones arrayed in 144 384-well microtiter plates and correspond to 13.36 haploid genome equivalents. The combined libraries have a greater than 99% probability of containing any single-copy sequence. Screening high-density arrays of the libraries with probes for female-specific markers and sex-related genes generated between 4-46 primary positive clones per probe. Thus, the two BAC libraries of C. semilaevis provided a readily useable platform for genomics research, illustrated by the isolation of sex determination gene(s).
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