Progress in targeted genome editing technology in the silkworm, <em>Bombyx mori</em>
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ACTA ENTOMOLOGICA SINICA  2018, Vol. 61 Issue (3): 371-384    DOI: 10.16380/j.kcxb.2018.03.012
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Progress in targeted genome editing technology in the silkworm, Bombyx mori
LONG Ding-Pei, HAO Zhan-Zhang, XIANG Zhong-Huai, ZHAO Ai-Chun
(State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400716, China)
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Abstract The engineered endonuclease (EEN)-based genome editing technology is an important tool for genome function analysis and genetic improvement of biological varieties. The silkworm, Bombyx mori, is the first economic insect to be domesticated and bred by humans, and also an important model lepidopteran, which has been used for functional gene analysis in the post-genome era. In recent years, along with the rapid development of zinc finger nuclease (ZFN), transcription activator-like effector nuclease (TALEN) and CRISPR/Cas9 system-based novel genome editing technologies, the targeted genome editing technology in the silkworm also has had significant progress. In this review, the compositions and action principles of the three most commonly used EEN systems were introduced, and the establishment process of targeted genome editing technology in the silkworm and the application and research progress of this technology for point mutation of silkworm endogenous or exogenous genes, genome structure variation and integration of the exogenous genes into the silkworm genome were comprehensively and systematically summarized. This review also discussed the main problems and the corresponding strategies for the low-efficiency of the knockout of endogenous genes and integration of exogenous genes, and the off-target effects of the integration of exogenous genes in targeted genome editing techniques in the silkworm. In addition, the potential for multiplex gene editing and the development trend for the combined application and diversified development of different targeted genome editing systems of this technology in the silkworm were prospected. It is expected to provide insights and references for promoting the development of targeted genome editing technology in gene functional analysis, mutation model establishment and other research areas in insects.
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Articles by authors
LONG Ding-Pei
HAO Zhan-Zhang
XIANG Zhong-Huai
ZHAO Ai-Chun
Key wordsBombyx mori   genome editing   engineered endonuclease   gene manipulation   ZFN   TALEN   CRISPR/Cas9     
Cite this article:   
LONG Ding-Pei,HAO Zhan-Zhang,XIANG Zhong-Huai et al. Progress in targeted genome editing technology in the silkworm, Bombyx mori[J]. ACTA ENTOMOLOGICA SINICA, 2018, 61(3): 371-384.
URL:  
http://www.insect.org.cn/EN/10.16380/j.kcxb.2018.03.012      or     http://www.insect.org.cn/EN/Y2018/V61/I3/371
 
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