Complete genome analysis of a novel human adenovirus type 7 strain
Author Information
Author(s): Su Xiaobo, Tian Xingui, Zhang Qiwei, Li Haitao, Li Xiao, Sheng Huiying, Wang Youshao, Wu Houbo, Zhou Rong
Primary Institution: South China Sea Institute of Oceanology, Chinese Academy of Sciences
Hypothesis
The study investigates the genome of a novel HAdV-7 strain to understand its molecular evolution and recombination.
Conclusion
The study reports a novel HAdV-7 strain with a significant deletion in the E3 region, suggesting its role in adenovirus molecular evolution.
Supporting Evidence
- The complete genome of the HAdV-7 GZ07 strain is 32,442 bp long with a deletion of 2,864 bp in the E3 region.
- Only two proteins were retained in the E3 region, while several others were missing.
- This is the first report of E3 deletion in human adenovirus, indicating a potential recombination region.
Takeaway
Researchers found a new type of adenovirus that has lost some of its genes, which might help it change and evolve.
Methodology
The virus was isolated from a child's nasal aspirate, cultured in HEp-2 cells, and its genome was sequenced and analyzed.
Participant Demographics
The strain was isolated from a child with acute respiratory disease.
Digital Object Identifier (DOI)
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