Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology,
Год журнала:
2024,
Номер
15(1)
Опубликована: Авг. 6, 2024
Abstract
Background
The
intestinal
barrier
is
the
first
line
of
defense
against
invasion
by
pathogens
and
foreign
antigens
closely
associated
with
gut
microbiota.
Astragalus
polysaccharides
(APS)
have
a
long
history
use
in
traditional
Chinese
medicine
owing
to
its
protective
properties
function.
mechanism
APS-induced
microbiota
enhancing
function
urgently
needed.
Results
Dietary
polysaccharide
deprivation
induced
dysfunction,
decreased
growth
performance,
altered
microbial
composition
(
Faecalibacterium
,
Dorea
Coprobacillus
),
reduced
isobutyrate
concentration.
results
showed
that
APS
facilitates
broiler
chickens,
including
thicker
mucus
layer,
crypt
depth,
tight
junction
proteins.
We
studied
landscape
found
selectively
promoted
Parabacteroides
commensal
bacterium
plays
predominant
role
An
vitro
assay
further
verified
increased
abundance
distasonis
Bacteroides
uniformis.
supplementation
concentrations
bile
acid
(mainly
chenodeoxycholic
deoxycholate
acid)
activated
signaling
pathways
related
(such
as
protein
processing
endoplasmic
reticulum,
junctions,
adherens
pathways).
Conclusions
intervention
restored
dietary
polysaccharide-induced
dysfunction
promoting
distasonis,
increasing
acids
CDCA
DCA).
These
findings
suggest
metabolic
niches
are
promising
strategies
for
Graphical
Life,
Год журнала:
2024,
Номер
14(5), С. 559 - 559
Опубликована: Апрель 26, 2024
The
gastrointestinal
tract
is
home
to
trillions
of
diverse
microorganisms
collectively
known
as
the
gut
microbiota,
which
play
a
pivotal
role
in
breaking
down
undigested
foods,
such
dietary
fibers.
Through
fermentation
these
food
components,
short-chain
fatty
acids
(SCFAs)
acetate,
propionate,
and
butyrate
are
produced,
offering
numerous
health
benefits
host.
production
absorption
SCFAs
occur
through
various
mechanisms
within
human
intestine,
contingent
upon
types
fibers
reaching
specific
engaged
fermentation.
Medical
literature
extensively
documents
supplementation
SCFAs,
particularly
butyrate,
treatment
gastrointestinal,
metabolic,
cardiovascular,
gut-brain-related
disorders.
This
review
seeks
provide
an
overview
dynamics
involved
gut.
Additionally,
it
will
focus
on
roles
promoting
metabolic
health,
well
their
current
therapeutic
implications.
The
gastrointestinal
tract
is
colonized
by
trillions
of
different
microorganisms,
named
the
gut
microbiota,
which
key
to
degrade
undigested
food
such
as
dietary
fibers.
fermentation
these
components
leads
production
short-chain
fatty
acids
(SCFA)
acetate,
propionate,
and
butyrate,
exploit
several
beneficial
roles
for
host’s
health.
Their
absorption
happen
in
ways
human
intestine
depend
on
type
fiber
reaching
microorganisms
involved
fermentation.
supplementation
SCFAs,
mostly
treating
gastrointestinal,
metabolic,
cardiovascular,
gut-brain-related
diseases
has
been
reported
medical
literature.
This
review
aims
give
an
overview
dynamics
butyrate
gut,
with
a
final
focus
role
played
SCFAs
metabolic
health
present
therapeutic
implications.
Intestinal
barriers
play
a
crucial
role
in
human
physiology,
both
homeostatic
and
pathological
conditions.
Disruption
of
the
intestinal
barrier
is
significant
factor
pathogenesis
gastrointestinal
inflammatory
diseases,
such
as
bowel
disease.
The
profound
influence
gut
microbiota
on
diseases
has
sparked
considerable
interest
manipulating
it
through
dietary
interventions,
probiotics,
fecal
transplantation
potential
approaches
to
enhance
integrity
barrier.
Numerous
studies
have
underscored
protective
effects
specific
their
associated
metabolites.
In
recent
years,
an
increasing
body
research
demonstrated
that
Akkermansia
muciniphila
(A.
muciniphila,
Am)
plays
beneficial
various
including
diabetes,
obesity,
aging,
cancer,
metabolic
syndrome.
It
gaining
popularity
regulator
influences
flora
recognized
'new
generation
probiotics'.
Consequently,
may
represent
target
promising
therapy
option
for
diseases.
This
article
systematically
summarizes
Am
gut.
Specifically,
we
carefully
discuss
key
scientific
issues
need
resolution
future
regarding
bacteria
represented
by
Am,
which
provide
insights
application
drugs
targeting
clinical
treatment.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Авг. 4, 2024
Native
core
microbiomes
represent
a
unique
opportunity
to
support
food
provision
and
plant-based
industries.
Yet,
these
are
often
neglected
when
developing
synthetic
communities
(SynComs)
plant
health
growth.
Here,
we
study
the
contribution
of
native
core,
non-core
non-native
microorganisms
production.
We
construct
four
alternative
SynComs
based
on
excellent
growth
promoting
ability
individual
stain
paired
non-antagonistic
action.
One
microbiome
SynCom
(SC2)
shows
high
niche
breadth
low
average
variation
degree
in-vitro
interaction.
The
promoting-growth
effect
SC2
can
be
transferred
non-sterile
environment,
attributing
colonization
improvement
rhizosphere
function
including
nitrogen
fixation,
IAA
production,
dissolved
phosphorus.
Further,
microbial
fertilizer
composite
carrier
(rapeseed
cake
+
rice
husk
carbon)
increase
net
biomass
by
129%.
Our
results
highlight
fundamental
importance
boost
authors
show
that
have
greater
potential
than
both
microorganisms.
Microbial
dysbiosis,
characterized
by
an
imbalanced
microbial
community
structure
and
function,
has
been
linked
to
hypertension.
While
prior
research
primarily
focused
on
differential
abundances,
our
study
highlights
the
role
of
non-differential
microbes
in
We
propose
that
contribute
hypertension
through
their
ecological
interactions,
as
defined
co-abundances
(pairs
exhibiting
correlated
abundance
patterns).
Using
gut
microbiome
data
from
Guangdong
Gut
Microbiome
Project,
which
includes
2355
hypertensive
4644
non-hypertensive
participants
across
14
regions,
we
identified
replicable
hypertension-related
interactions.
Notably,
most
involved
microbes,
were
found
correlate
with
both
severity
metabolic
pathways.
These
findings
emphasize
importance
interactions
pathogenesis
a
novel
perspective
for
microbiome-based
therapeutic
strategies.
Cell Reports Medicine,
Год журнала:
2023,
Номер
4(9), С. 101190 - 101190
Опубликована: Сен. 1, 2023
Research
on
gut
microbiota
has
generally
focused
fecal
samples,
representing
luminal
content
of
the
large
intestine.
However,
nutrient
uptake
is
restricted
to
small
Abundant
immune
cell
populations
at
this
anatomical
site
combined
with
diminished
mucus
secretion
and
looser
junctions
(partly
allow
for
more
efficient
fluid
absorption)
also
results
in
intimate
host-microbe
interactions
despite
rapid
transit.
It
thus
crucial
dissect
key
differences
both
ecology
physiology
between
intestine
better
leverage
immense
potential
human
imprinting,
including
probiotic
engraftment
biological
sensible
niches.
Here,
we
provide
a
detailed
review
unfolding
how
physiological
affect
composition,
function,
plasticity.
This
information
understanding
manipulation,
administration,
may
strain-dependently
transform
defined
locations.
With
an
increasing
interest
in
dietary
fibers
(DFs)
to
promote
intestinal
health
and
the
growth
of
beneficial
gut
bacteria,
there
is
a
continued
rise
incorporation
refined
DFs
processed
foods.
It
still
unclear
how
fibers,
such
as
guar
gum,
affect
microbiota
activity
pathogenesis
inflammatory
bowel
disease
(IBD).
Our
study
elucidated
effect
underlying
mechanisms
fermentable
DF
(FDF)
commonly
present
wide
range
foods,
on
colitis
development.
We
report
that
gum
containing
diet
(GuD)
increased
susceptibility
colonic
inflammation.
Specifically,
GuD-fed
group
exhibited
severe
upon
dextran
sulfate
sodium
(DSS)
administration,
evidenced
by
reduced
body
weight,
diarrhea,
rectal
bleeding,
shortening
colon
length
compared
cellulose-fed
control
mice.
Elevated
levels
pro-inflammatory
markers
both
serum
[serum
amyloid
A
(SAA),
lipocalin
2
(Lcn2)]
(Lcn2)
extensive
disruption
architecture
further
affirmed
more
than
DSS
intervention.
Amelioration
pre-treated
with
antibiotics
suggest
vital
role
GuD-mediated
exacerbation
Gut
composition
metabolite
analysis
fecal
cecal
contents,
respectively,
revealed
primarily
enriches
Actinobacteriota,
specifically
Bifidobacterium.
Guar
also
altered
multiple
genera
belonging
phyla
Bacteroidota
Firmicutes.
Such
shift
favored
luminal
accumulation
intermediary
metabolites
succinate
lactate
Colonic
IL-18
tight
junction
were
decreased
group.
Importantly,
mice
recombinant
displayed
attenuated
colitis.
Collectively,
unfavorable
changes
leading
succinate,
IL-18,
compromised
barrier
function
following
feeding
contributed
susceptibility.