Cell Host & Microbe,
Journal Year:
2018,
Volume and Issue:
24(3), P. 447 - 460.e11
Published: Aug. 16, 2018
Human
cytomegalovirus
(HCMV)
is
an
important
pathogen
with
multiple
immune
evasion
strategies,
including
virally
facilitated
degradation
of
host
antiviral
restriction
factors.
Here,
we
describe
a
multiplexed
approach
to
discover
proteins
innate
function
on
the
basis
active
by
proteasome
or
lysosome
during
early-phase
HCMV
infection.
Using
three
orthogonal
proteomic/transcriptomic
screens
quantify
protein
degradation,
high
confidence
identified
35
enriched
in
A
final
screen
employed
comprehensive
panel
viral
mutants
predict
genes
that
target
>250
human
proteins.
This
revealed
helicase-like
transcription
factor
(HLTF),
DNA
helicase
repair,
potently
inhibits
early
gene
expression
but
rapidly
degraded
The
functionally
unknown
UL145
facilitates
HLTF
recruiting
Cullin4
E3
ligase
complex.
Our
and
data
will
enable
further
identifications
pathways
targeted
other
viruses.
Annual Review of Immunology,
Journal Year:
2014,
Volume and Issue:
32(1), P. 513 - 545
Published: Feb. 20, 2014
Interferon-stimulated
gene
(ISG)
products
take
on
a
number
of
diverse
roles.
Collectively,
they
are
highly
effective
at
resisting
and
controlling
pathogens.
In
this
review,
we
begin
by
introducing
interferon
(IFN)
the
JAK-STAT
signaling
pathway
to
highlight
features
that
impact
ISG
production.
Next,
describe
ways
in
which
ISGs
both
enhance
innate
pathogen-sensing
capabilities
negatively
regulate
through
pathway.
Several
directly
inhibit
virus
infection
described
with
an
emphasis
those
early
late
stages
life
cycle.
Finally,
ongoing
efforts
identify
characterize
antiviral
ISGs,
provide
forward-looking
perspective
landscape.
Annual Review of Virology,
Journal Year:
2014,
Volume and Issue:
1(1), P. 261 - 283
Published: July 8, 2014
Animal
cells
use
a
wide
variety
of
mechanisms
to
slow
or
prevent
replication
viruses.
These
are
usually
mediated
by
antiviral
proteins
whose
expression
and
activities
can
be
constitutive
but
frequently
amplified
interferon
induction.
Among
these
interferon-stimulated
proteins,
members
the
IFITM
(interferon-induced
transmembrane)
family
unique
because
they
infection
before
virus
traverse
lipid
bilayer
cell.
At
least
three
human
proteins-IFITM1,
IFITM2,
IFITM3-have
activities.
limit
in
cultured
many
viruses,
including
dengue
virus,
Ebola
influenza
A
severe
acute
respiratory
syndrome
coronavirus,
West
Nile
virus.
Murine
Ifitm3
controls
vivo,
polymorphisms
IFITM3
correlate
with
severity
both
seasonal
highly
pathogenic
avian
Here
we
review
discovery
characterization
describe
spectrum
their
activities,
discuss
potential
underlying
effects.
Cell,
Journal Year:
2014,
Volume and Issue:
157(6), P. 1460 - 1472
Published: June 1, 2014
A
systematic
quantitative
analysis
of
temporal
changes
in
host
and
viral
proteins
throughout
the
course
a
productive
infection
could
provide
dynamic
insights
into
virus-host
interaction.
We
developed
proteomic
technique
called
"quantitative
viromics"
(QTV),
which
employs
multiplexed
tandem-mass-tag-based
mass
spectrometry.
Human
cytomegalovirus
(HCMV)
is
not
only
an
important
pathogen
but
paradigm
immune
evasion.
QTV
detailed
how
HCMV
orchestrates
expression
>8,000
cellular
proteins,
including
1,200
cell-surface
to
manipulate
signaling
pathways
counterintrinsic,
innate,
adaptive
defenses.
predicted
natural
killer
T
cell
ligands,
as
well
29
present
at
surface,
potential
therapeutic
targets.
Temporal
profiles
>80%
canonical
genes
14
noncanonical
open
reading
frames
were
defined.
powerful
method
that
can
yield
applicable
any
virus
with
robust
vitro
model.PaperClip/cms/asset/73b31c12-81e5-4c68-a7e8-ca7ba21cc6ce/mmc10.mp3Loading
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Scientific Reports,
Journal Year:
2016,
Volume and Issue:
6(1)
Published: March 18, 2016
Abstract
To
establish
a
new
lineage
in
the
human
population,
avian
influenza
A
viruses
(AIV)
must
overcome
intracellular
restriction
factor
MxA.
Partial
escape
from
MxA
can
be
achieved
when
viral
nucleoprotein
(NP)
acquires
critical
human-adaptive
amino
acid
residues
100I/V,
283P,
and
313Y.
Here,
we
show
that
introduction
of
these
three
into
NP
an
H5N1
virus
renders
it
genetically
unstable,
resulting
harboring
additional
single
mutations,
including
G16D.
These
substitutions
restored
genetic
stability
yet
again
yielded
with
varying
degrees
attenuation
mammalian
cells.
Additionally,
most
mutant
lost
capacity
to
restriction,
exception
G16D
virus.
We
is
linked
by
demonstrating
promoting
disturbed
trafficking
incoming
ribonucleoprotein
complexes
(vRNPs),
thereby
impaired
nuclear
import,
acquired
mutations
only
partially
compensate
for
this
import
block.
conclude
adaptation
host,
AIV
not
but
also
associated
block
vRNP
import.
This
inherent
difficulty
may
explain
frequent
failure
become
pandemic.