Spatial heterogeneity of viral communities across the gastrointestinal tracts of ruminants
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 16, 2024
Abstract
Background:
The
gastrointestinal
tract
(GIT)
microbiome
of
ruminants
significantly
influences
their
nutrition
metabolism
and
health.
Current
understanding
is
extensive
for
bacterial
archaeal
communities,
but
limited
viral
communities
within
the
GIT.
Results:
We
created
Ruminant
Gastrointestinal
Virome
Catalogue
(RGVC),
which
includes
43,981
non-redundant
Operational
Taxonomic
Units
(vOTUs),
with
89.3%
newly
identified,
derived
from
370
samples
across
10
GIT
regions
in
seven
ruminant
species.
composition
mainly
influenced
by
rather
than
identified
4,603
putative
prokaryotic
hosts
31
three
classes
5,954
viruses,
along
significant
variations
a
strong
correlation
between
associated
viruses.
Lysogeny,
constituting
45.6%
survival
strategies,
was
more
prevalent
lytic
cycle
(4.08%),
abundances
these
viruses
varied
regionally.
lysogenic
encoded
1,805
auxiliary
metabolic
genes
(AMGs)
that
play
key
roles
carbohydrates,
amino
acids,
other
metabolisms
hosts.
variation
AMG
abundance
highlights
distinct
virus-host
interactions
Conclusion:
This
study
offers
comprehensive
view
spatial
heterogeneity
indicates
this
diversity
driven
interaction
through
AMGs.
These
findings
set
stage
future
research
into
ecological
nutritional
impacts
virome,
potential
to
uncover
novel
mechanisms
various
regions.
Language: Английский
A vast repertoire of secondary metabolites influences community dynamics and biogeochemical processes in cold seeps
Xiyang Dong,
No information about this author
Tianxueyu Zhang,
No information about this author
Weichao Wu
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 14, 2023
Abstract
In
deep
sea
cold
seeps,
diverse
microbial
communities
thrive
on
the
geological
seepage
of
hydrocarbons
and
inorganic
compounds.
These
chemosynthetically-driven
are
unique
in
composition,
ecology,
biogeochemical
activities
compared
to
photosynthetically-driven
ecosystems.
However,
their
biosynthetic
capabilities
remain
largely
unexplored.
Here,
we
analyzed
81
metagenomes,
33
metatranscriptomes,
seven
metabolomes
derived
from
nine
globally
distributed
areas
seeps
investigate
secondary
metabolites
produced
by
seep
microbiomes.
Cold
microbiomes
encode
diverse,
abundant,
novel
gene
clusters
(BGCs).
Most
BGCs
affiliated
with
understudied
bacteria
archaea,
including
key
mediators
methane
sulfur
cycling,
multiple
candidate
phyla.
The
antimicrobial
compounds
(e.g.
NRPS,
PKSs,
RiPPs)
that
potentially
shape
community
dynamics,
as
well
predicted
influence
such
phosphonates,
iron-acquiring
siderophores,
nitrogenase-protecting
glycolipids,
methyl-CoM
reductase-modifying
proteins.
players
widely
highly
expressed,
abundance
expression
levels
varying
different
sediment
depths.
Numerous
natural
products
were
detected
through
untargeted
metabolomics,
demonstrating
a
vast,
unexplored
chemical
space
validating
situ
sediments.
Overall,
these
results
demonstrate
sediments
serve
reservoir
hidden
provide
insights
into
adaptation
Language: Английский
Spatial heterogeneity of viral communities across the gastrointestinal tracts of ruminants
Min Wang
No information about this author
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 11, 2024
Abstract
The
gastrointestinal
tract
(GIT)
microbiome
of
ruminants
significantly
influences
their
nutrition
metabolism
and
health.
Current
understanding
is
extensive
for
bacterial
archaeal
communities,
but
limited
viral
communities
within
the
GIT.
To
address
this,
we
created
Ruminant
Gastrointestinal
Virome
Catalogue
(RGVC),
which
includes
43,981
non-redundant
Operational
Taxonomic
Units
(vOTUs),
with
89.3%
newly
identified,
derived
from
370
samples
across
10
GIT
regions
in
seven
ruminant
species.
composition
mainly
influenced
by
rather
than
We
identified
4,603
putative
prokaryotic
hosts
31
three
classes
5,954
viruses,
along
significant
variations
a
strong
correlation
between
associated
viruses.
Lysogeny,
constituting
45.6%
survival
strategies,
was
more
prevalent
lytic
cycle
(4.08%),
abundances
these
viruses
varied
regionally.
lysogenic
encoded
1,805
auxiliary
metabolic
genes
(AMGs)
that
play
key
roles
carbohydrates,
amino
acids,
other
metabolisms
hosts.
variation
AMG
abundance
highlights
distinct
virus-host
interactions
Overall,
this
study
offers
comprehensive
view
spatial
heterogeneity
indicates
diversity
driven
interaction
through
AMGs.
These
findings
set
stage
future
research
into
ecological
nutritional
impacts
virome,
potential
to
uncover
novel
mechanisms
various
regions.
Language: Английский