Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Exon Capture - Principle and Applications to Phylogenomics and Population Genomics of Fishes

엑손 포획 - 원리와 어류의 계통유전체학 및 집단유전체학으로의 응용

  • Li, Chenhong (Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution, Shanghai Ocean University)
  • Received : 2021.10.25
  • Accepted : 2021.11.29
  • Published : 2021.12.31
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Abstract

Phylogenetic reconstruction based on one locus or a few loci can be misleading due to gene-tree/species-tree discordance. Species delimitation and intraspecific studies also often suffered from low resolution because of insufficient statistic power when few loci were used. Exon capture method is one of the most efficient way to collect genome-scale data, which can significantly augment studies that aimed to investigate patterns and histories of organisms at both intraspecific and high level. Here, I showed the advancement of shifting from single-gene method to genomic approach and the benefit of applying exon capture method comparing to alternative genomic techniques. Then, I explained the principle of exon capture method as well as providing detailed recommendations for applying this method. Finally, I demonstrated exon capture method using two applications and discussed future perspectives of this technology.

한 유전좌위 또는 소수의 유전좌위에 기반한 계통발생학적 재구성은 분자 계통수/종 계통수의 불일치로 인해 오해를 불러일으킬 수 있다. 종의 구분과 종내 연구에서도 적은 유전좌위를 사용할 때 통계력 부족으로 해상도가 낮은 경우가 많이 발생한다. 엑손 포획법은 게놈 규모의 데이터를 수집하는 가장 효율적인 방법 중 하나로, 종내 및 상위 수준에서 생물의 패턴과 역사를 구명하는 연구에 크게 이바지할 수 있다. 이 논문에서는 단일 유전자 방법에서 게놈 접근으로의 전환의 진보와 게놈 기술에 비해 엑손 포획법의 적용 이점을 설명하였다. 또한 엑손 포획법의 원리를 설명하고 이 방법의 적용을 위한 상세한 제언을 기술하였다. 최종적으로, 두 가지 적용을 활용한 엑손 포획법을 설명하고 이 기술에 대한 미래 전망을 논의하였다.

Keywords

Acknowledgement

CL was supported by the Science and Technology Commission of Shanghai Municipality (19050501900, 19410740500).

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