Proteomics

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Mass spectrometry of human A549 cells transfected with EBV BRLF1


ABSTRACT: The immediate-early protein BRLF1 plays important roles in lytic infection of Epstein-Barr virus (EBV), in which it activates lytic viral transcription and replication. However, knowledge of the influence of BRLF1 on cellular gene expression and transcriptional reprogramming during the early lytic cycle remains limited. Analysis of BRLF1-binding proteins by mass spectrometry would show what transcription factors BRLF1 binds to and would help us better understand how BRLF1 regulates human and viral genome during lytic infection.

ORGANISM(S): Homo Sapiens

SUBMITTER: Ersheng Kuang  

PROVIDER: PXD021958 | iProX | Tue Oct 13 00:00:00 BST 2020

REPOSITORIES: iProX

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Publications

BRLF1 suppresses RNA Pol III-mediated RIG-I inflammasome activation in the early EBV lytic lifecycle.

Long Xubing X   Yang Jing J   Zhang Xiaolin X   Yang Ziwei Z   Li Yang Y   Wang Fan F   Li Xiaojuan X   Kuang Ersheng E  

EMBO reports 20201123 1


Latent infection with herpesviruses constitutively activates inflammasomes, while lytic replication suppresses their activation through distinct mechanisms. However, how Epstein-Barr virus (EBV) lytic replication inhibits the activation of inflammasomes remains unknown. Here, we reveal that the EBV immediate-early protein BRLF1 inhibits inflammasome activation, and BRLF1 deficiency significantly increases the activation of inflammasomes and pyroptosis during early lytic lifecycle. BRLF1 interact  ...[more]

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