bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 22, 2024
Abstract
Host-associated
microbial
communities
can
mediate
interactions
between
their
hosts
and
biotic
abiotic
environments.
While
much
work
has
been
done
to
document
how
microbiomes
vary
across
species
environments,
less
is
known
about
the
functional
consequences
of
this
variation.
Here,
we
test
for
variation
among
drosophilid-associated
bacteria
by
conducting
Oxford
Nanopore
long-read
sequencing
generating
metagenome-assembled
genomes
(MAGs)
from
six
drosophilid
fly
collected
in
association
with
‘anthropogenic’
environments
North
America,
Europe,
Africa.
Using
phylogenetic
analyses,
find
that
flies
harbor
a
diverse
microbiome
includes
core
members
closely
related
genera
Gilliamella
,
Orbus
Entomomonas
Dysgonomonas
others.
Comparisons
publicly
available
bacterial
show
many
these
are
associated
phylogenetically
insect
gut
microbiomes.
annotations
predicted
secondary
metabolite
biosynthetic
gene
clusters,
MAGs
belonging
different
orders
content
functions
including
metabolic
capacity
they
respond
environmental
stressors.
Our
results
provide
evidence
wild
functionally
communities.
These
findings
highlight
need
quantify
abundance
function
insect-associated
others
on
performance
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(17), P. 9867 - 9879
Published: April 11, 2024
Dysbiosis
of
gut
microbiota
is
believed
to
be
associated
with
inflammatory
bowel
disease
(IBD).
Ginsenoside
compound
K
(CK),
the
main
metabolite
Panax
ginseng
ginsenoside,
has
proven
effective
as
an
anti-inflammatory
agent
in
IBD.
However,
mechanisms
by
which
CK
modulates
ameliorate
IBD
remain
poorly
understood.
Herein,
demonstrated
potential
suppress
release
proinflammatory
cytokines
modulation.
Notably,
supplementation
promoted
restoration
a
harmonious
balance
microbiota,
primarily
enhancing
populations
Lactobacillus
and
Akkermansia.
Furthermore,
considerably
elevated
concentrations
tryptophan
metabolites
derived
from
that
could
activate
aryl
hydrocarbon
receptor.
Overall,
promising
alleviative
efficacy
stemmed
promotion
growth
production
metabolites,
suggesting
should
regarded
prospective
prebiotic
for
future.
Pharmacological Research,
Journal Year:
2024,
Volume and Issue:
203, P. 107148 - 107148
Published: March 22, 2024
The
gut
microbiota,
known
as
the
"forgotten
organ"
and
"human
second
genome,"
comprises
a
complex
microecosystem.
It
significantly
influences
development
of
various
tumors,
including
colorectal,
liver,
stomach,
breast,
lung
cancers,
through
both
direct
indirect
mechanisms.
These
mechanisms
include
"gut-liver"
axis,
"lung-intestine"
interactions
with
immune
system.
intestinal
flora
exhibits
dual
roles
in
cancer,
promoting
suppressing
its
progression.
Traditional
Chinese
medicine
(TCM)
can
alter
cancer
progression
by
regulating
flora.
modifies
flora's
composition
structure,
along
levels
endogenous
metabolites,
thus
affecting
barrier,
system,
overall
body
metabolism.
actions
contribute
to
TCM's
significant
antitumor
effects.
Moreover,
microbiota
metabolizes
TCM
components,
enhancing
their
properties.
Therefore,
exploring
interaction
between
offers
novel
perspective
understanding
This
paper
succinctly
reviews
association
gastric,
cancers.
further
examines
current
research
on
flora,
focus
efficacy.
identifies
limitations
existing
studies
suggests
recommendations,
providing
insights
into
drug
effectiveness.
Additionally,
this
aims
guide
future
studies.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 1, 2024
Inflammatory
bowel
disease
(IBD)
is
a
global
with
limited
therapy.
It
reported
that
sedanolide
exerts
anti-oxidative
and
anti-inflammatory
effects
as
natural
phthalide,
but
its
on
IBD
remain
unclear.
In
this
study,
we
investigated
the
impacts
of
dextran
sodium
sulfate
(DSS)-induced
colitis
in
mice.
The
mice
were
administered
or
vehicle
followed
by
DSS
administration,
after
which
symptoms,
inflammation
levels,
intestinal
barrier
function
evaluated.
Transcriptome
analysis,
16S
rRNA
sequencing,
targeted
metabolomics
analysis
bile
acids
lipids
performed.
Sedanolide
protected
from
DSS-induced
colitis,
suppressed
inflammation,
restored
weakened
epithelial
barrier,
modified
gut
microbiota
decreasing
salt
hydrolase
(BSH)-expressing
bacteria.
downregulation
BSH
activity
increased
ratio
conjugated/unconjugated
(BAs),
thereby
inhibiting
farnesoid
X
receptor
(FXR)
pathway.
roles
FXR
pathway
verified
using
an
FXR-specific
agonist
(fexaramine)
germ-free
mice,
respectively.
Furthermore,
identified
key
effector
ceramide,
regulated
sphingomyelin
phosphodiesterase
3
(SMPD3).
protective
ceramide
(d18:1/16:0)
against
demonstrated
vitro
human
cell
line
Caco-2.
could
reshape
flora
influence
BA
composition,
thus
FXR-SMPD3
to
stimulate
synthesis
ultimately
alleviated
Overall,
our
research
revealed
indicated
may
be
clinical
treatment
for
colitis.
Additionally,
lipid
was
shown
mediate
sedanolide,
providing
new
insight
into
associations
between
metabolites.
Journal of Asian Natural Products Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 18
Published: Jan. 10, 2025
Angoroside
C
(AgrC)
is
a
compound
with
many
pharmacological
properties.
However,
its
antitumour
potential
has
not
been
well
studied.
The
low
bioavailability
of
AgrC
suggests
strong
link
to
gut
bacteria.
Therefore,
we
identified
and
quantified
four
metabolites
in
microbiota.
Molecular
docking
inhibitor-based
experiments
demonstrated
that
carboxylesterase
played
key
role
metabolism.
Both
inhibited
the
viability
CT-26
cells,
targets
were
further
explored.
Additionally,
significantly
increased
levels
propionic,
butyric,
valeric
isovaleric
acids.
This
provides
new
insight
for
effects
AgrC.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 23, 2025
Intestinal
microorganisms
play
a
crucial
role
in
chicken
health
and
production
performance,
especially
the
research
of
traditional
organic
feeding
methods.
The
intestinal
contents
feed
chickens
were
analyzed
by
16S
rRNA
gene
metagenome
technology.
results
showed
that
microbial
diversity
was
significantly
higher
than
chickens,
key
microorganisms,
such
as
Enterococcus
,
more
abundant
chickens.
functional
analysis
revealed
significant
difference
metabolic
function
between
them.
present
study
provides
new
insights
into
gut
microbiota
characteristics
based
on
amplicon
metagenomic
sequencing.
Our
are
helpful
to
fully
illustrate
effects
different
methods
can
offer
scientific
basis
for
management.
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2025,
Volume and Issue:
15
Published: April 28, 2025
The
intestinal
microbiota
plays
a
crucial
role
in
the
occurrence
and
development
of
colorectal
cancer,
its
anti
-
cancer
mechanism
has
become
research
hotspot.
This
article
comprehensively
expounds
on
molecular
mechanisms
including
aspects
such
as
immune
regulation,
activation
carcinogenic
signaling
pathways
(it
should
be
noted
that
it
is
more
reasonable
to
"inhibition
pathways"),
metabolite
mediated
effects,
maintenance
barrier
function.
At
same
time,
explores
roles
potential
intervention
methods
probiotic
supplementation
therapy,
immunotherapy,
fecal
transplantation.
In
addition,
analyzes
impact
flora
therapeutic
efficacy
cancer.
existing
results
are
summarized,
future
directions
prospected,
with
aim
providing
new
theoretical
bases
treatment
ideas
for
prevention
Journal of Natural Products,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 8, 2025
Plant-derived
natural
products
are
commonly
consumed
orally
and
can
be
structurally
modified
by
the
gut
microbiota,
potentially
altering
their
biological
activity.
However,
high-throughput
studies
on
microbial
metabolism
remain
limited.
This
study
applied
an
in
vitro
screening
system
for
microbiome-derived
using
liquid
chromatography-mass
spectrometry
to
analyze
of
200
human
successfully
annotated
118
metabolized
microbiota.
For
first
time,
metabolic
reactions
isorhynchophylline
wilforgine
intestine
were
documented.
Notably,
a
substantial
increase
plasma
concentration
isocorynoxeine
was
observed
microbiota-colonized
rats
following
administration
compared
those
without
colonization,
suggesting
that
dehydrogenation
microbiota
also
occurs
vivo.
16S
rRNA
gene
sequencing
further
revealed
increased
abundance
Klebsiella
Escherichia-Shigella
administration,
these
genera
may
influence
its
transformation
or
pharmacological