Meta-transcriptomic sequencing reveals divergent RNA viruses in geckos
Virus Research,
Год журнала:
2025,
Номер
unknown, С. 199551 - 199551
Опубликована: Фев. 1, 2025
Язык: Английский
Host ecology and phylogeny shape the temporal dynamics of social bee viromes
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 5, 2025
The
composition
of
viral
communities
(i.e.
viromes)
can
be
dynamic
and
complex.
Co-evolution
may
lead
to
virome
host-specificity.
However,
eco-evolutionary
factors
influence
dynamics
in
wild
host
communities,
potentially
leading
disease
emergence.
Social
bees
are
relevant
models
address
the
drivers
composition:
these
important
pollinators
form
multi-species
assemblages,
with
high
niche
overlap
strong
seasonality
their
biotic
interactions.
We
applied
a
microbial
community
approach
disentangle
role
phylogeny
ecology
shaping
bee
viromes,
combining
plant-pollinator
networks
meta-transcriptomics,
small
interfering
RNAs
as
proxies
for
replication
pollen.
identified
over
hundred
insect
plant
sequences
from
ca.
4500
pollinator
samples
across
three
time
points
one
year.
While
genetic
distance
drives
distribution
viruses,
we
find
that
interactions
phenology
drive
virus
collected
by
bees.
This
reveals
opportunities
spread
assemblage.
show
transmission
multiple
hosts
is
only
realized
fraction
even
fewer
found
actively
replicating
species,
including
particularly
virulent
multi-host
acute
paralysis
virus.
Язык: Английский
Two Avastrovirus Species Discovered in Psittaciformes Expand the Host Range of the Family Astroviridae
Viruses,
Год журнала:
2025,
Номер
17(3), С. 450 - 450
Опубликована: Март 20, 2025
Metatranscriptomics
has
recently
revealed
greater
species
richness
and
host
range
of
the
Avastrovirus
genus,
quadrupling
number
avian
orders
known
to
them
in
less
than
a
decade.
Despite
this
growing
awareness
astrovirus
presence
wild
birds,
limited
attention
been
paid
these
viruses
context
disease
Australian
avifauna.
Here
we
used
unbiased
RNA
sequencing
intestinal
samples
from
galah
(Eolophus
roseicapilla)
an
king
parrot
(Alisterus
scapularis)
with
chronic
diarrhoeal
wasting
detect
entire
genomes
two
novel
species.
We
propose
naming
eolorosei
(PQ893528)
aliscap
(PQ893527).
The
phylogenetic
positions
highlight
importance
current
future
metatranscriptomic
virus
screening
investigations
landscapes
beyond
Galloanserae.
This
is
also
first
documentation
avastrovirus
infections
Psittaciformes
report
their
potential
role
as
agents
them.
Язык: Английский
The radiation of New Zealand’s skinks and geckos is associated with distinct viromes
BMC Ecology and Evolution,
Год журнала:
2024,
Номер
24(1)
Опубликована: Июнь 13, 2024
Abstract
Background
New
Zealand
is
home
to
over
120
native
endemic
species
of
skinks
and
geckos
that
radiated
the
last
20–40
million
years,
likely
driven
by
exploitation
diverse
habitats
formed
during
Miocene.
The
recent
radiation
animal
hosts
may
facilitate
cross-species
virus
transmission,
reflecting
their
close
genetic
relationships
therefore
relatively
low
barriers
for
viruses
emerge
in
new
hosts.
Conversely,
as
adapt
niches,
even
within
specific
geographic
locations,
so
too
could
viruses.
Consequently,
animals
have
niche-specialised
following
radiations
be
expected
harbour
genetically
distinct
Through
a
metatranscriptomic
analysis
eight
Zealand’s
skink
gecko
species,
well
only
introduced
lizard
rainbow
(
Lampropholis
delicata
),
we
aimed
reveal
diversity
these
determine
whether
how
has
impacted
evolution.
Results
We
identified
total
15
novel
reptilian
spanning
11
different
viral
families,
across
seven
nine
sampled.
Notably,
detected
no
host-switching
among
analysed,
between
those
sampled
from
same
location.
This
compatible
with
idea
host
speciation
resulted
isolated,
niche-constrained
populations
prevented
transmission.
Using
protein
structural
similarity-based
approach,
further
highly
divergent
bunya-like
potentially
family
Bunyavirales
.
Conclusions
study
broadened
our
understanding
illustrates
niche
adaptation
limit
viral-host
interactions.
Язык: Английский
First Report on Detection and Molecular Characterization of Astroviruses in Mongooses
Viruses,
Год журнала:
2024,
Номер
16(8), С. 1269 - 1269
Опубликована: Авг. 8, 2024
Applying
a
pan-astrovirus
(AstV)
RT-hemi-nested
PCR
assay,
we
report
here
high
detection
rates
(28.3%,
15/53)
of
AstVs
in
the
small
Indian
mongoose
(
Язык: Английский
A wide diversity of viruses detected in African mammals involved in the wild meat supply chain
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 30, 2024
ABSTRACT
The
processes
involved
in
acquiring,
trading,
preparing,
and
consuming
wild
meat
pose
significant
risks
for
the
emergence
of
zoonotic
infectious
diseases.
Several
major
viral
outbreaks
have
been
directly
linked
to
supply
chain,
yet
our
knowledge
virome
many
mammals
this
chain
remains
limited
disproportionately
focused
on
certain
mammalian
taxa
pathogens.
This
report
presents
findings
a
metagenomic
screening
99
specimens
belonging
27
African
mammal
species
one
domesticated
species,
all
traded
their
meat.
study
focuses
tissue
swab
samples
collected
from
various
regions
Democratic
Republic
Congo
Brussels,
Belgium.
A
total
fifteen
virus
strains
were
detected,
families
Arteriviridae
,
Retroviridae
Sedoreoviridae
(primates),
Picobirnaviridae
(primates
rodents),
Picornaviridae
(rodents),
Hepadnaviridae
(hyrax),
Orthoherpesviridae
(artiodactylid
carnivore)
Spinareoviridae
(carnivore).
detected
hosts
first
time,
expanding
host
range
genetic
diversity.
Of
note
is
presence
viruses
genetically
related
recognised
pathogens,
i.e.,
human
picobirnavirus
(
Orthopicobirnavirus
hominis
)
simian
foamy
Simiispumavirus
rotavirus
Rotavirus
alphagastroenteritidis
(primates).
these
primates
concerning
as
non-human
are
phylogenetically
closely
humans,
which
can
facilitate
interspecies
transmission.
These
underscore
high
diversity
potential
risk
infection
through
cross-species
transmission
during
close
interactions
with
wildlife
chain.
Язык: Английский