期刊
MOLECULAR PLANT
卷 15, 期 9, 页码 1418-1427出版社
CELL PRESS
DOI: 10.1016/j.molp.2022.08.004
关键词
QTL mapping; bulked segregant analysis; BSA; deep learning; DL; functional genomics; plant height
资金
- National Natural Science Foundation of China [31922068]
- Huazhong Agricultural University Scientific & Technological Self -innovation Foundation [2021ZKPY001]
- Fundamental Research Funds for the Central Universities of China [2662020LXQD002]
- Hainan Yazhou Bay Seed Lab [B21HJ8102]
- major Program of Hubei Hongshan Laboratory [2021hszd008]
Bulked segregant analysis (BSA) is a cost-effective method for mapping mutations and quantitative trait loci (QTLs) in animals and plants. The development of DeepBSA, a BSA method driven by deep learning, improves the accuracy of QTL mapping and functional gene cloning. DeepBSA performs well with various datasets and outperforms other algorithms in terms of bias and signal-to-noise ratio.
Bulked segregant analysis (BSA) is a rapid, cost-effective method for mapping mutations and quantitative trait loci (QTLs) in animals and plants based on high-throughput sequencing. However, the algorithms currently used for BSA have not been systematically evaluated and are complex and fallible to operate. We developed a BSA method driven by deep learning, DeepBSA, for QTL mapping and functional gene clon-ing. DeepBSA is compatible with a variable number of bulked pools and performed well with various simu-lated and real datasets in both animals and plants. DeepBSA outperformed all other algorithms when comparing absolute bias and signal-to-noise ratio. Moreover, we applied DeepBSA to an F2 segregating maize population of 7160 individuals and uncovered five candidate QTLs, including three well-known plant-height genes. Finally, we developed a user-friendly graphical user interface for DeepBSA, by inte-grating five widely used BSA algorithms and our two newly developed algorithms, that is easy to operate and can quickly map QTLs and functional genes. The DeepBSA software is freely available to non-commercial users at http://zeasystemsbio.hzau.edu.cn/tools.html and https://github.com/lizhao007/ DeepBSA.
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