Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 18, 2024
Background
The
gut
microbiome
has
a
significant
impact
on
human
wellness,
contributing
to
the
emergence
and
progression
of
range
health
issues
including
inflammatory
autoimmune
conditions,
metabolic
disorders,
cardiovascular
problems,
psychiatric
disorders.
Notably,
clinical
observations
have
revealed
that
these
illnesses
can
display
differences
in
incidence
presentation
between
genders.
present
study
aimed
evaluate
whether
composition
microbiota
is
associated
with
sex-specific
elucidate
mechanism.
Methods
16S-rRNA-sequencing
technology,
hormone
analysis,
transplantation,
gonadectomy,
treatment
were
employed
investigate
correlation
sex
or
hormones.
Meanwhile,
genes
proteins
involved
bile
acid
signaling
pathway
analyzed
both
liver
ileum
tissues.
Results
diversity
from
jejunum
feces
level
hormones
serum
differed
sexes
young
middle-aged
Sprague
Dawley
(SD)
rats.
However,
no
similar
phenomenon
was
found
geriatric
Interestingly,
young,
middle-aged,
old
rats,
bacterial
Gut
replacement
also
suggested
hormones,
particularly
testosterone
(T),
influenced
mRNA
protein
(specifically
SHP
,
FXR
CYP7A1
ASBT
)
exhibited
gender-specific
differences,
T
may
play
role
mediating
expression
this
pathway.
Conclusion
Sex-specific
structure
are
mediated
by
through
pathway,
pointing
potential
targets
for
disease
prevention
management
techniques
indicating
levels
alter
via
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: Jan. 22, 2025
Introduction
Riptortus
pedestris
is
a
destructive
pest
that
threatens
multiple
leguminous
crops
in
China.
The
intestinal
microbiota
plays
crucial
role
the
growth
and
reproduction
of
host
insects.
However,
composition
function
gut
at
different
developmental
stages
remain
unclear.
Methods
Here,
metagenomic
sequencing
was
performed
to
clarify
microbial
diversity
2nd-,
3rd-,
4th-,
5th-
instar
nymphs
(2
N–5
N)
female
adults
(FAs)
R.
effects
vital
bacteria
on
development
detected.
have
stage
specificity,
indicating
their
.
Results
Enterococcus
Caballerronia
were
predominant
present
during
2
N–FAs.
In
addition,
abundances
3
N
4
guts
significantly
greater
than
those
others
guts.
Furthermore,
5
harbored
abundant
Burkholderia
-
Paraburkholderia
Caballeronia
metabolic
pathways
enriched
from
FAs.
Carbohydrate
metabolism,
including
glycoside
hydrolases
(GHs)
glycosyl
transferases
(GTs),
occurs
throughout
entire
stage.
Many
antibiotic
resistance
genes
(ARGs)
detected
Pseudomonadota
Bacillota
presented
broad
spectrum
resistance.
Excitingly,
eliminated
by
treatment
unable
molt
normally,
lifespan
shortened
nymphs,
had
significant
effect
nymph
development.
Conclusion
summary,
our
results,
for
first
time,
systematically
illustrate
abundance
across
demonstrate
genera
are
This
study
provides
basis
stinkbug
management
strategies
focus
pivotal
microbiota.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 12, 2025
Microbial
communities
play
a
crucial
role
in
the
physiological
characteristics,
adaptability,
and
reproductive
success
of
arthropods.
However,
patterns
functions
microbial
variation
across
different
life
stages
mites
remain
poorly
understood.
In
this
study,
we
used
high
throughput
Illumina
sequencing
16S
rRNA
gene
to
investigate
composition
functional
potential
bacterial
five
(larva,
protonymph,
deutonymph,
tritonymph,
adult)
oribatid
mite
Eremobelba
eharai
.
We
found
significant
differences
diversity
community
structure
despite
being
fed
same
diet.
The
was
highest
at
protonymph
stage
lowest
tritonymph
stage.
Beta
analysis
indicated
distinct
compositions
among
stages.
Bacteroidota,
Proteobacteria,
Firmicutes
dominated
throughout
host's
cycle.
Key
genera,
such
as
Bacillus,
Streptomyces,
Achromobacter
,
Tsukamurella
showed
abundance
Predicted
profiles
revealed
substantial
changes
metabolic
pathways,
which
may
reflect
nutritional
needs
E.
during
its
developmental
process.
PICRUSt
prediction
results
also
that
most
KEGG
larval
adult
consistently
maintain
similar
relative
abundances
bacteria.
Different
deutonymph
show
consistent
“biosynthesis
other
secondary
metabolites”
“glycan
biosynthesis
metabolism”
pathways.
This
study
provides
new
insights
into
dynamic
within
lays
foundation
for
further
research
on
interactions
between
microorganisms.
Archives of Insect Biochemistry and Physiology,
Journal Year:
2025,
Volume and Issue:
118(4)
Published: April 8, 2025
ABSTRACT
The
gut
microbiota
plays
a
vital
role
in
nutrient
and
energy
utilization,
as
well
the
host's
ability
to
adapt
its
immune
system
environmental
changes.
As
biological
control
agent
for
invasive
Parthenium
weed,
beetle
Zygogramma
bicolorata
(
Z.
)
Pallister
is
often
exposed
fluctuating
temperatures,
which
may
induce
stress
natural
habitat.
This
study
utilized
16S
amplicon
sequencing
explore
impact
of
temperature
on
microbiome
under
cold
(15°C),
(27°C),
hot
(35°C)
conditions.
A
total
11
bacterial
phyla
149
genera
were
identified,
with
Firmicutes,
Proteobacteria,
Cyanobacteria
being
most
abundant.
Temperature
treatments
significantly
influenced
diversity
microbiota,
evidenced
by
alpha
measures.
Principal
coordinate
analysis
further
revealed
substantial
variations
composition
across
different
Additionally,
PICRUSt2
suggested
that
linked
metagenomic
functions
related
amino
acid
carbohydrate
transport,
inorganic
ion
metabolism,
cellular
processes.
Our
findings
suggest
thermal
alters
beetles,
offering
new
insights
into
how
these
beetles
have
ecologically
adapted
fluctuations,
while
also
highlighting
potential
microbes
maintaining
health
stress.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 4, 2024
Symbiotic
bacteria
play
key
roles
in
a
variety
of
important
life
processes
insects
such
as
development,
reproduction
and
environmental
adaptation,
the
elucidation
symbiont
population
structure
dynamics
is
crucial
for
revealing
underlying
regulatory
mechanisms.
The
marmalade
hoverfly
(
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(18), P. 10130 - 10130
Published: Sept. 20, 2024
Rhyzopertha
dominica
causes
significant
economic
losses
in
stored
cereals.
Insects’
digestive
tract
microbiome
is
crucial
for
their
development,
metabolism,
resistance,
and
digestion.
This
work
aimed
to
test
whether
the
different
chemical
properties
of
wheat
barley
grain
cultivars
cause
disturbances
insect
foraging
rearrangements
structure
R.
microbiome.
The
results
indicated
that
significantly
influence
microbiome,
foraging.
Most
observed
traits
structures
were
not
correlated
at
species
level,
as
confirmed
by
ANOSIM
(p
=
0.441).
However,
PLS-PM
analysis
revealed
patterns
within
cultivars.
study
found
associations
between
C18:2
fatty
acids,
entomopathogenic
bacteria,
an
impaired
nitrogen
cycle,
lysine
production
bacterial
origin,
feeding.
antioxidant
effects
also
showed
trends
towards
impacting
development.
findings
suggest
manipulating
(increasing
levels)
can
disrupting
behaviours
adaptation
storage
environments.
research
supports
potential
breeding
resistant
cereals,
offering
effective
pest
control
strategy
reducing
pesticide
use
food
production.