특정변화패턴 식별을 위한염기서열 집단간의 다형성 분석 및 시각화 도구
A Polymorphism Analysis and Visualization Tool for Specific Variation Pattern Identification in Groups of Nucleotide Sequences
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초록
유전체는 생명체가 가지고 있는 모든 유전적 정보를 담고 있다. 특정 종 내에서는 개체별로 고유의 특성이 나타나며, 이 특성은 유전체의 염기서열 분석을 통해 확인할 수 있다. 종내 개체들 사이에 조금씩 다른 염기에 대해 유전적 연관성을 규명 짓고, 더 나아가 질병과의 연관성을 찾는 전장유전체 연관분석 연구가 많이 진행되고 있다. 종 내의 조금씩 발생하는 염기변이를 파악하는 것은 개체의 다형성을 파악하기 위해 중요하다. 이 논문에서는 종 내 여러 개체의 염기서열에서 대립형질 빈도의 특정변화패턴을 쉽게 파악할 수 있는 분석 및 시각화 도구를 제안한다. 그리고 수두 대상포진 바이러스의 계대 배양한 pOka strain 염기서열 데이터를 이용해 실험하여 분석과 시각화의 실용성을 보인다. 본 제안도구를 통해 종 내의 대립형질 빈도의 변화를 탐색하고 유전적 요인을 찾는 연구효율의 증진을 기대할 수 있다.
Abstract
A genome contains all genetic information of an organism. Within a specific species, unique traits appear for each individual, which can be identified by analyzing nucleotide sequences. Many Genome-Wide Associations Studies have been carried out to find genetic associations and cause of diseases from slightly different base among the individuals. It is important to identify occurrence of slight variations for polymorphisms of individuals. In this paper, we introduce an analysis and visualization tool for specific variation pattern identification of polymorphisms in nucleotide sequences and show the validity of the tool by applying it to analyzing nucleotide sequences of subcultured pOka strain of varicella-zoster virus. The tool is expected to help efficiently explore allele frequency variations and genetic factors within a species.
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