Metagenomic analysis reveals high diversity of gut viromes in yaks (Bos grunniens) from the Qinghai-Tibet Plateau
Communications Biology,
Год журнала:
2024,
Номер
7(1)
Опубликована: Сен. 6, 2024
Язык: Английский
Antiviral defense systems in the rumen microbiome
mSystems,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 14, 2025
ABSTRACT
The
continuous
interaction
between
phages
and
their
respective
hosts
has
resulted
in
the
evolution
of
multiple
bacterial
immune
mechanisms.
However,
diversity
prevalence
antiviral
defense
systems
complex
communities
are
still
unknown.
We
therefore
investigated
abundance
viral
3,038
high-quality
archaeal
genomes
from
rumen.
In
total,
14,241
31,948
antiviral-related
genes
were
identified.
Those
represented
114
unique
system
types
grouped
into
49
families.
observed
a
high
genomes.
number
systems,
families,
density
varied
widely
genome
to
genome.
Additionally,
per
correlated
positively
with
families
size.
Restriction
modification,
Abi,
cas
most
common,
but
many
rare
present
only
1%
Antiviral
prevalent
diverse
rumen,
few
dominant,
indicating
that
rarely
present.
collection
throughout
rumen
may
represent
pool
mechanisms
can
be
shared
by
different
members
community
modulate
phage–host
interaction.
IMPORTANCE
Phages
act
antagonistically
at
cell
level
have
mutualistic
microbiome
level.
This
shapes
structure
microbial
is
mainly
driven
mechanism.
such
mechanism
larger
than
previously
thought.
Because
that,
we
described
genomes,
metagenome-assembled
(MAGs)
isolates,
While
seem
among
bacteria
archaea,
common.
suggests
these
not
microbes
could
community.
consistent
“pan-immune
system”
model,
which
appears
common
across
environments.
Язык: Английский
Rumen protozoa and viruses: New insights into their diversity and potential roles through omics lenses–A review
Journal of Dairy Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Rumen DNA virome in beef cattle reveals an unexplored diverse community with potential links to carcass traits
ISME Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 5, 2025
Rumen
deoxyribonucleic
acid
viruses
that
infect
and
replicate
within
bacteria
archaea
are
key
modulators
of
the
prokaryotic
community.
These
influence
community
abundance,
composition,
function
impacting
host
productivity
methane
production.
In
this
study,
viral
genomes
were
assembled
from
rumen
37
Japanese
Black
cattle
using
virus-like
particle
metagenome
sequencing,
providing
insights
into
diversity,
functional
potential,
virus-host
interactions.
The
relationship
between
virome
carcass
traits,
particularly
weight
marbling,
was
also
investigated.
A
total
22
942
operational
taxonomic
units
medium-quality
or
higher
(≥5
kb
length
≥
50%
completeness),
referred
to
as
Viral
genomes,
reconstructed.
Among
these,
5973
putative
novel
genera
identified,
significantly
expanding
catalog
genomes.
Hosts
predicted
for
2364
units,
including
carbohydrate-degrading
methanogens.
Additionally,
27
auxiliary
metabolic
genes
categorized
glycosyl
hydrolases
which
responsible
degradation
cellulose,
hemicellulose,
oligosaccharides,
suggesting
may
enhance
breakdown
complex
carbohydrates
during
infection.
Furthermore,
differed
considerably
high
vs
low
marbling
cattle.
Viruses
associated
with
Methanobrevibacter
linked
weight.
This
database
study
provide
primary
information
development
improvement
beef
Язык: Английский
Effect of replacing babassu oil with sunflower oil on nutrient utilization, rumen fermentation, and biohydrogenation estimate in sheep
Small Ruminant Research,
Год журнала:
2024,
Номер
237, С. 107321 - 107321
Опубликована: Июль 14, 2024
Язык: Английский
The Effect of Humic Acid Supplementation on Selected Ruminal Fermentation Parameters and Protozoal Generic Distribution in Cows
Agriculture,
Год журнала:
2024,
Номер
14(10), С. 1663 - 1663
Опубликована: Сен. 24, 2024
The
objective
of
this
study
was
to
examine
the
effect
humic
acid
(HA)
supplementation
on
rumen
fermentation
and
protozoal
community
in
rumen.
For
purpose,
four
ruminally
cannulated
Simmental
cows
were
randomly
assigned
a
replicated
4
×
Latin
square
design
experiment
HA
dietary
feed
utilization,
fermentation,
for
84
days.
basal
diet
(BD)
composed
meadow
hay
(68.2%
dry
matter
[DM]),
maize
silage
(17%
DM),
granulated
mixture
(14.9%
DM).
There
treatments,
including
BD
without
additives
(control
diet,
H0),
supplemented
with
50
g
HA/cow/day
(H50
treatment),
100
(H100
200
(H200
treatment).
did
not
affect
total
or
individual
volatile
fatty
concentrations,
protozoa,
ruminal
pH.
However,
at
dosage
g/cow/day
increased
NH3-N
concentration
fecal
nitrogen
compared
control
(p
<
0.001).
also
significantly
impacted
abundance
genera
results
suggest
that
has
potential
ruminants
as
natural
additive
may
play
role
metabolism
stabilizing
adverse
effects
fermentation.
Язык: Английский