DEAD-box helicases: sensors, regulators, and effectors for antiviral defense

F Taschuk, S Cherry - Viruses, 2020 - mdpi.com
DEAD-box helicases are a large family of conserved RNA-binding proteins that belong to
the broader group of cellular DExD/H helicases. Members of the DEAD-box helicase family …

HIV Rev-isited

CTS Truman, A Järvelin, I Davis… - Open Biology, 2020 - royalsocietypublishing.org
The human immunodeficiency virus type 1 (HIV-1) proteome is expressed from alternatively
spliced and unspliced genomic RNAs. However, HIV-1 RNAs that are not fully spliced are …

Human retrovirus genomic RNA packaging

HM Hanson, NA Willkomm, H Yang, LM Mansky - Viruses, 2022 - mdpi.com
Two non-covalently linked copies of the retrovirus genome are specifically recruited to the
site of virus particle assembly and packaged into released particles. Retroviral RNA …

Structure of HIV-1 RRE stem-loop II identifies two conformational states of the high-affinity Rev binding site

J Tipo, K Gottipati, M Slaton… - Nature …, 2024 - nature.com
During HIV infection, specific RNA-protein interaction between the Rev response element
(RRE) and viral Rev protein is required for nuclear export of intron-containing viral mRNA …

Dynamic ensemble of HIV-1 RRE stem IIB reveals non-native conformations that disrupt the Rev-binding site

CC Chu, R Plangger, C Kreutz… - Nucleic acids …, 2019 - academic.oup.com
The HIV-1 Rev response element (RRE) RNA element mediates the nuclear export of intron
containing viral RNAs by forming an oligomeric complex with the viral protein Rev. Stem IIB …

Structural and computational studies of HIV-1 RNA

L Levintov, H Vashisth - RNA biology, 2024 - Taylor & Francis
Viruses remain a global threat to animals, plants, and humans. The type 1 human
immunodeficiency virus (HIV-1) is a member of the retrovirus family and carries an RNA …

A survey of DDX21 activity during Rev/RRE complex formation

JA Hammond, L Zhou, R Lamichhane, HY Chu… - Journal of molecular …, 2018 - Elsevier
HIV-1 requires a specialized nuclear export pathway to transport unspliced and partially
spliced viral transcripts to the cytoplasm. Central to this pathway is the viral protein Rev …

Diverse roles of DEAD/DEAH-box helicases in innate immunity and diseases

V Perčulija, S Ouyang - Helicases from All Domains of Life, 2019 - Elsevier
DEAD/DEAH-box helicases are enzymes that belong to the DEAD/H-box family of SF2
helicase superfamily. These enzymes are essential in RNA metabolism, where they are …

A new HIV-1 Rev structure optimizes interaction with target RNA (RRE) for nuclear export

NR Watts, E Eren, X Zhuang, YX Wang… - Journal of structural …, 2018 - Elsevier
HIV-1 Rev mediates the nuclear export of unspliced and partially-spliced viral transcripts for
the production of progeny genomes and structural proteins. In this process, four (or more) …

A DEAD-box protein acts through RNA to promote HIV-1 Rev-RRE assembly

R Lamichhane, JA Hammond, RF Pauszek, I Pedron… - Biophysical …, 2017 - cell.com
72a Sunday, February 12, 2017 the viral mRNA. In order to activate nuclear export, multiple
Rev proteins must assemble on the RRE. The host DEAD box protein 1 (DDX1) enhances …