The Dynamic Landscape of Capsid Proteins and Viral RNA Interactions in Flavivirus Genome Packaging and Virus Assembly
Pathogens,
Год журнала:
2024,
Номер
13(2), С. 120 - 120
Опубликована: Янв. 28, 2024
The
Flavivirus
genus
of
the
Flaviviridae
family
enveloped
single-stranded
RNA
viruses
encompasses
more
than
70
members,
many
which
cause
significant
disease
in
humans
and
livestock.
Packaging
assembly
flavivirus
genome
is
essential
for
formation
virions,
requires
intricate
coordination
genomic
RNA,
viral
structural,
nonstructural
proteins
association
with
virus-induced,
modified
endoplasmic
reticulum
(ER)
membrane
structures.
capsid
(C)
protein,
a
small
but
versatile
RNA-binding
positive
are
at
heart
elusive
process.
nucleocapsid
core,
consisting
encapsidated
by
C
proteins,
buds
through
ER
membrane,
contains
glycoproteins
prM
E
organized
as
trimeric
spikes
into
lumen,
forming
an
immature
virus.
During
maturation
process,
involves
low
pH-mediated
structural
rearrangement
furin
cleavage
secretory
pathway,
spiky
virus
partially
ordered
core
becomes
smooth,
mature
no
discernible
nucleocapsid.
This
review
focuses
on
mechanisms
packaging
examining
functional
aspects
protein
RNA.
We
current
lexicon
critical
features
evaluate
interactions
between
context
throughout
life
cycle.
Язык: Английский
Comparison of direct RNA sequencing of Orthoavulavirus javaense using two different chemistries on the MinION platform
Journal of Virological Methods,
Год журнала:
2024,
Номер
unknown, С. 115103 - 115103
Опубликована: Дек. 1, 2024
Rapidly
identifying
and
sequencing
viral
pathogens
in
poultry
flocks
can
substantially
reduce
economic
loss
especially
during
disease
outbreaks.
Current
next
generation
technologies
require
multi-step
laboratory-intensive
workflows
to
generate
sequence
data
which
precludes
field
adaptation.
In
this
study,
we
hypothesized
that
direct
RNA
(DRS)
using
an
Oxford
Nanopore
Technology
(ONT)
MinION
device
would
enable
of
the
full-length
genome
Orthoavulavirus
javaense
(OAVJ),
causative
Newcastle
disease,
a
major
challenge.
The
demonstrate
custom
OAVJ-specific
adapter
paired
with
ONT
DRS
kits
enables
capture
OAVJ
RNAs.
Further,
new
SQK-RNA004
chemistry
flow
cells,
associated
super
accurate
base
calling
workflow
improves
on
read
quality
length
compared
previous
SQK-RNA002
chemistry.
This
is
first
report
method
near
member
Paramyxoviridae
family.
While
additional
improvements
are
needed
before
widespread
adaptation
for
rapid
sequencing,
has
potential
further
studies
into
epitranscriptome
its
role
infection
pathogenesis.
Язык: Английский