野生灵长类动物 (Theropithecus gelada) 早期感染动态和腺病毒的基因组多样性
Maya J Saroff1, Abebaw Azanaw Haile2, Alice Baniel3
1School of Life Sciences, Arizona State University, Tempe, AZ, USA.
Microbial genomics
|December 9, 2025
概括
果拉达中的腺病毒 (AdV) 显示出与人类不同的早期生命动态. Simian adenoviruses (SAdVs) 在社交游戏开始之前感染婴儿,在他们的寿命中风险会下降.
科学领域:
- 灵长类病毒学
- 免疫学 免疫学 免疫学
- 进化生物学 进化生物学
背景情况:
- 人类腺病毒 (AdVs) 引起呼吸系统疾病,特别是在儿童和免疫功能低下的人群中.
- 传播发生在通过便-口腔和空气传播的密切接触环境中.
- 早期生命中的腺病毒动态在非人类灵长类动物中尚不清楚.
研究的目的:
- 为了研究类腺病毒 (SAdV) 动力学,跨越格拉达的寿命 (Theropithecus gelada).
- 为了确定SAdV在野生灵长类动物群体中存在和丰富的驱动因素.
- 为了比较早期的AdV感染模式在果拉达和观察到的人类.
主要方法:
- 从埃塞俄比亚的格拉达种群收集纵向数据.
- 从便样本中识别编码完整的AdV基因组.
- 影响SAdV感染的行为和季节性因素的评估.
- 分析不同年龄组的SAdV存在和丰富性.
主要成果:
- 确定了十个编码完整的SAdV基因组,其中包括四个新物种.
- 与预期相反,在6个月以下的婴儿中,SAdV感染的可能性最高.
- 随着年龄的增长,SAdV的风险和丰富性下降,成人感染很少.
- 较高的最低温度显示,与SAdV丰富度的负相关性较弱.
结论:
- 与人类不同,Geladas中的SAdV暴露发生在社交游戏开始之前,可能是由于近距离接触.
- 生命早期的SAdV感染可能会赋予格拉达的终身免疫力,类似于人类的AdV.
- 在两种物种中,SAdV的流行率在成年期仍然很低.
关键词:
亚第诺病毒idae 的泰罗皮塞克斯格拉达 (Theropithecus gelada) 是一个的动物.格拉达斯 (Geladas) 是一种冰淋.婴儿时期的婴儿时期.转基因组学是指转基因组学.灵长类的病毒组.更多相关视频
13:13Single-cell Quantitation of mRNA and Surface Protein Expression in Simian Immunodeficiency Virus-infected CD4+ T Cells Isolated from Rhesus macaques
Published on: September 25, 2018
11.0K
15:33Adenoviral Transduction of Naive CD4 T Cells to Study Treg Differentiation
Published on: August 13, 2013
16.4K
相关概念视频
Viral Mutations
39.5K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.5K
Retrovirus Life Cycles
49.1K
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
49.1K
Retroviruses
14.5K
Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
14.5K
Viral Recombination
24.8K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.8K
