Genetic Evidence of Active Circulation and Evolution of Diverse Penguin Siadenoviruses in Antarctica Based on Partial DNA Sequences
Cited 0 time in
Cited 0 time in
-
Title
-
Genetic Evidence of Active Circulation and Evolution of Diverse Penguin Siadenoviruses in Antarctica Based on Partial DNA Sequences
-
Other Titles
-
부분 DNA 시컨스를 기반으로 한 남극에서 펭귄 시아데노바이러스의 진화 및 활발한 순환의 유전학적 증거
-
Authors
-
Lee, Sook-Young
Kim, Sanghee
Kim, Ji Hee
Kim, Jong-U
Kim, Jeong-Hoon
Kim, Jihee
Oh, Younggeun
Song, Jin-Won
-
Keywords
-
Adenovirus; Antarctica; Inexpressible Island; King Sejong station; Penguin
-
Issue Date
-
2025-11
-
Citation
-
Lee, Sook-Young, et al. 2025. "Genetic Evidence of Active Circulation and Evolution of Diverse Penguin Siadenoviruses in Antarctica Based on Partial DNA Sequences". Transboundary and Emerging Diseases, 2025(0): 0-0.
-
Abstract
-
Antarctica, one of the most isolated and extreme regions on Earth, hosts diverse bird species that share breeding and feeding habitats, facilitating interspecies transmission of pathogens. In this study, we investigated penguin siadenoviruses using cloacal swab samples collected from Antarctic penguins between 2017 and 2023 to explore their genetic diversity and evolutionary relationships. The complete hexon gene was obtained from Adelie penguins, while partial hexon and DNA polymerase sequences were detected in Adelie, Chinstrap, and Gentoo penguins. Phylogenetic and molecular analysis identified multiple siadenoviruses classified into two distinct lineages, indicating ongoing viral evolution in this region. The hexon genes exhibited considerable genetic diversity caused by recombination and mutation, and predicted hypervariable regions―targets of neutralizing antibodies―showed significant structural differences among penguin siadenoviruses. These finding suggests that penguin siadenoviruses are not restricted to a single host species but may circulate among various penguin populations across the Antarctic region. This implies potential cross-infection between local and surrounding penguin populations. Although the predicted structural models showed limited accuracy due to the use of distant templates, the genetic and structural differences observed provide valuable insights into the adaptive evolution of these viruses. Our findings provide an important foundation for understanding viral transmission and evolution in Antarctic avifauna. Furthermore, findings from this study may guide early detection and risk assessment of emerging viral threats in Antarctica.
-
URI
-
https://repository.kopri.re.kr/handle/201206/16610
-
DOI
-
https://doi.org/10.1155/tbed/5932514
-
Type
-
Article
-
Station
-
Jang Bogo Station
-
Indexed
-
SCIE
- Appears in Collections
- 2025-2025, 남극 과학기지 운영에 따른 주변 환경 및 생태계 오염 요인 모니터링 (25-25) / 김지희 (PE25170)
2025-2025, 온난화로 인한 극지 서식환경 변화와 생물 적응진화 연구 (25-25) / 김상희 (PE25140)
- Files in This Item
- There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.