The early UL3 gene of equine herpesvirus-1 encodes a tegument protein not essential for replication or virulence in the mouse.

The early UL3 gene of equine herpesvirus-1 encodes a tegument protein not essential for replication or virulence in the mouse.
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DOI:
10.1016/j.virol.2011.08.016
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发表时间:
2011-11-10
期刊:
影响因子:
3.7
通讯作者:
O'Callaghan DJ
O'Callaghan DJ
中科院分区:
医学3区
文献类型:
--
作者:
Ahn BC;Kim S;Zhang Y;Charvat RA;O'Callaghan DJ

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马疱疹病毒1型(EHV-1)的UL 3基因保留在缺陷型干扰颗粒的基因组中,并编码约33 kDa的豆蔻酰化蛋白。进一步的表征表明,UL 3基因仅被唯一的立即早期(IE)蛋白反式激活,并编码一种早期蛋白,该蛋白可用于EHV-1复制,并定位于纯化病毒体的被膜中。UL 3缺失型EHV-1(vL 11 Δ UL 3)表现出与亲本病毒相似的宿主细胞嗜性、空斑大小和生长动力学特性。在vL 11 Δ UL 3感染的细胞中,代表所有三种基因类型的EHV-1蛋白的表达水平与用亲本病毒感染的细胞中的表达水平相同。鼻内感染vL 11 Δ UL 3和亲本病毒的小鼠在死亡率或病毒肺滴度方面无显著差异。这些发现表明UL 3蛋白在EHV-1的细胞培养或小鼠毒力生物学中不起主要作用。
The UL3 gene of equine herpesvirus-1 (EHV-1) is retained in the genome of defective interfering particles and encodes a ~33 kDa myristylated protein. Further characterization showed that the UL3 gene is trans-activated only by the sole immediate early (IE) protein and encodes an early protein that is dispensable for EHV-1 replication and localizes in the tegument of purified virions. UL3-deleted EHV-1 (vL11ΔUL3) exhibits properties of host cell tropism, plaque size, and growth kinetics similar to those of the parental virus. Expression levels of EHV-1 proteins representative of all three gene classes in vL11ΔUL3–infected cells were identical to those in cells infected with parental virus. Mice intranasally infected with vL11ΔUL3 and parental virus showed no significant difference in mortality or virus lung titers. These findings suggest that the UL3 protein does not play a major role in the biology of EHV-1 in cell culture or virulence in the mouse.
DOI: 10.1016/j.virol.2010.03.051
发表时间: 2010-07-05
期刊: Virology
影响因子: 3.7
作者:
Ahn BC;Zhang Y;O'Callaghan DJ
通讯作者: O'Callaghan DJ
DOI: 10.1016/0042-6822(87)90240-6
发表时间: 1987-05-01
期刊: VIROLOGY
影响因子: 3.7
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DOI: 10.1128/jvi.70.1.313-320.1996
发表时间: 1996-01-01
影响因子: 5.4
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