The Epstein-Barr virus lytic cycle activator Zta interacts with methylated ZRE in the promoter of host target gene egr1.

The Epstein-Barr virus lytic cycle activator Zta interacts with methylated ZRE in the promoter of host target gene egr1.
复制标题

DOI:
10.1099/vir.0.007922-0
复制
发表时间:
2009-06
期刊:
The Journal of general virology
影响因子:
--
通讯作者:
Sinclair AJ
Sinclair AJ
中科院分区:
其他
文献类型:
--
作者:
Heather J;Flower K;Isaac S;Sinclair AJ

文献摘要

参考文献

被引文献

相似文献

宿主基因egr 1的激活对于Epstein-Barr病毒(EBV)的裂解复制是必不可少的。egr 1由Zta(BZLF 1,ZEBRA)激活。Zta通过一系列密切相关的Zta反应元件(ZREs)与DNA直接相互作用。在这里,我们剖析了Zta与egr 1启动子相互作用的机制,并确定了依赖于egr 1 ZRE远端部分的与egr 1 ZRE的弱相互作用。此外,我们证明了Zta与egr 1 ZRE相互作用的能力通过甲基化增强了至少10倍。甲基化可以增强Zta反式激活egr 1启动子驱动的报告构建体的能力。由于Zta与EB病毒基因组中甲基化ZRE相互作用的能力与其激活内源病毒基因BRLF 1表达的能力相关,这表明Zta也可能有能力推翻egr 1的表观遗传控制。
Activation of the host gene egr1 is essential for the lytic replication of Epstein–Barr virus (EBV). egr1 is activated by Zta (BZLF1, ZEBRA). Zta interacts directly with DNA through a series of closely related Zta-response elements (ZREs). Here we dissect the mechanism used by Zta to interact with the egr1 promoter and identify a weak interaction with egr1ZRE that is dependent on the distal part of egr1ZRE. Furthermore, we demonstrate that the ability of Zta to interact with egr1ZRE is enhanced at least tenfold by methylation. The ability of Zta to transactivate a reporter construct driven by the egr1 promoter can be enhanced by methylation. As the ability of Zta to interact with a methylated ZRE in the EBV genome correlates with its ability to activate the expression of the endogenous viral gene BRLF1, this suggests that Zta may also have the capability to overturn epigenetic control of egr1.
DOI: 10.1038/sj.onc.1201630
发表时间: 1998-03-05
期刊: ONCOGENE
影响因子: 8
作者:
Mancini, DN;Rodenhiser, DI;Archer, TK
通讯作者: Archer, TK
DOI: 10.1128/jvi.79.17.11128-11134.2005
发表时间: 2005-09-01
影响因子: 5.4
作者:
Conacher, M;Callard, R;Crawford, DH
通讯作者: Crawford, DH
DOI: 10.1101/gad.2.9.1127
发表时间: 1988-09-01
影响因子: 10.5
作者:
HOLLER, M;WESTIN, G;SCHAFFNER, W
通讯作者: SCHAFFNER, W
DOI: 10.1128/mcb.14.3.1939
发表时间: 1994-03-01
影响因子: 5.3
作者:
GUTSCH, DE;HOLLEYGUTHRIE, EA;KENNEY, SC
通讯作者: KENNEY, SC
DOI: 10.1073/pnas.90.9.3894
发表时间: 1993-05-01
影响因子: 11.1
作者:
SISTA, ND;PAGANO, JS;KENNEY, S
通讯作者: KENNEY, S