Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.
J Virol. 2011 Sep;85(17):8929-39. doi: 10.1128/JVI.00336-11. Epub 2011 Jun 22.
In Epstein-Barr virus (EBV) latency III (LTIII) infection, BHRF1 encodes three microRNAs (miRNAs). Herein we report that Drosha cleavage of LTIII BHRF1 RNA and cis-acting splicing effects inhibit splicing and inhibit BHRF1 RNA and protein expression. Evidence shown here supports the view that Drosha cleavage to generate mature miRNAs and cis-acting sequences that prevent mRNA maturation are independent processes that prevent LTIII BHRF1 expression in lymphoblastoid cell lines.
在 Epstein-Barr 病毒(EBV)潜伏 III(LTIII)感染中,BHRF1 编码三个 microRNAs(miRNAs)。本文报道,LTIII BHRF1 RNA 的 Drosha 切割和顺式作用剪接效应抑制剪接,并抑制 BHRF1 RNA 和蛋白表达。本文提供的证据支持这样一种观点,即 Drosha 切割生成成熟 miRNA 和阻止 mRNA 成熟的顺式作用序列是两个独立的过程,它们阻止了淋巴母细胞系中 LTIII BHRF1 的表达。