Insect Science,
Journal Year:
2023,
Volume and Issue:
31(3), P. 911 - 926
Published: Oct. 13, 2023
Abstract
Bumblebees
are
important
pollinators
in
agricultural
ecosystems,
but
their
abundance
is
declining
globally.
There
an
urgent
need
to
protect
bumblebee
health
and
pollination
services.
possess
specialized
gut
microbiota
with
potential
be
used
as
probiotics
help
defend
at‐risk
populations.
However,
evidence
for
probiotic
benefits
on
bumblebees
lacking.
Here,
we
evaluated
how
supplementation
Lactobacillus
melliventris
isolated
from
affected
the
colony
development
of
Bombus
terrestris
.
This
native
strain
colonized
robustly
persisted
long‐term
bumblebees,
leading
a
significantly
higher
quality
offspring.
Subsequently,
tyrosine
pathway
was
upregulated
brain
fat
body,
while
Wnt
mTOR
pathways
were
downregulated.
Notably,
field
experiment
greenhouse
revealed
L.
led
2.5‐fold
increase
survival
rate
more
than
10%
number
flowers
visited,
indicating
better
condition
ability
conditions.
Our
study
represents
first
screening
use
member,
,
strains
hive
supplement
breeding,
which
may
practical
approach
improve
immunity
health.
Trends in Food Science & Technology,
Journal Year:
2023,
Volume and Issue:
138, P. 178 - 198
Published: June 11, 2023
The
human
gut
hosts
complex
microbial
communities,
which
are
linked
to
health
and
disease.
microbiota
is
continuously
reshaped
by
multiple
environmental
factors,
especially
diet.
Gut
dysbiosis
may
promote
various
metabolic,
neurological,
intestinal,
cardiovascular
diseases,
even
tumor
development.
Probiotics
have
shown
promising
prophylactic,
mitigating,
or
curative
effects
when
use
as
nutrient
supplements
adjunctive
therapy.
These
beneficial
and/or
symptom
alleviation
often
accompanied
microbiome
metabolome
changes.
Differing
from
other
published
review
articles,
here
we
summarized
the
latest
knowledge
of
evidence-based
health-promoting
probiotics
scouring
literature
recent
animal
probiotic
intervention
studies.
To
elucidate
mechanisms
in
enhancing
intestinal
homeostasis,
barrier
function,
host
immunity,
through
modulating
its
metabolites.
Meanwhile,
also
discussed
challenges
data
analysis
clinical
research
comparison
between
laboratories,
provides
an
outlook
for
future
perspectives
applications
probiotics.
achieved
modulation.
Current
discussed.
Finally,
provided.
Environmental Microbiome,
Journal Year:
2023,
Volume and Issue:
18(1)
Published: April 26, 2023
Pollinators,
including
solitary
bees,
are
drastically
declining
worldwide.
Among
the
factors
contributing
to
this
decline,
bee
pathogens
and
different
land
uses
of
relevance.
The
link
between
gut
microbiome
composition
host
health
has
been
recently
studied
for
social
pollinators
(e.g.
honeybees),
whereas
information
related
bees
is
sparse.
This
work
aimed
at
characterization
Xylocopa
augusti,
Eucera
fervens
Lasioglossum
attempted
correlate
microbial
with
presence
load
uses.
Solitary
were
sampled
in
sites
(i.e.
a
farm,
natural
reserve,
an
urban
plant
nursery)
showing
DNA
was
extracted
from
gut,
16S
rRNA
gene
amplified
sequenced.
Eight
pathogens,
known
spillover
managed
wild
ones,
quantified
qPCR.
results
showed
that
core
profile
three
significantly
varied
species.
Pseudomonas
found
as
major
taxa
all
analyzed,
Lactobacillus,
Spiroplasma
Sodalis
second
most
abundant
X.
E.
Lasioglossum,
respectively.
main
detected
qPCR
Nosema
ceranae,
bombi
Crithidia
bombi,
although
differently
species
sampling
sites.
Most
did
not
show
any
correlation
use,
apart
Snodgrassella
Nocardioides,
higher
abundances
on
less
anthropized
Conversely,
strongly
affected
composition,
Bifidobacterium,
Apibacter,
Serratia,
abundance
positively
or
negatively
correlated
load.
Therefore,
appear
be
factor
shaping
Argentina.
ABSTRACT
Gut
microbes
can
impact
cognition
and
behavior,
but
whether
they
regulate
the
division
of
labor
in
animal
societies
is
unknown.
We
addressed
this
question
using
honeybees
since
exhibit
between
nurses
foragers
because
their
gut
microbiota
be
manipulated.
Using
automated
behavioral
tracking
controlling
for
co-housing
effects,
we
show
that
influence
age
at
which
bees
start
expressing
foraging-like
behaviors
laboratory
have
no
effects
on
time
spent
a
foraging
arena
number
trips.
Moreover,
did
not
hallmarks
maturation
such
as
body
weight,
cuticular
hydrocarbon
profile,
hypopharyngeal
gland
size,
gene
expression,
proportion
maturing
into
foragers.
Overall,
study
shows
honeybee
plays
role
onset
foraging-related
behavior
without
permanent
consequences
colony-level
several
physiological
maturation.
IMPORTANCE
The
emerging
model
system
studying
microbiota-host
interactions.
Previous
studies
reported
multiple
worker
bee
phenotypes,
all
change
during
maturation—the
transition
from
nursing
to
foraging.
tested
documented
may
stem
an
effect
only
subtly
affected
maturation:
it
accelerated
affecting
overall
or
average
output.
also
found
host
(CHC)
expression
maturation-related
genes.
These
results
are
inconsistent
with
previous
reporting
weight
CHC
profile.
Our
experiments
revealed
co-housed
tend
converge
physiology,
suggesting
spurious
associations
emerge
when
rearing
environments
replicated
sufficiently
accounted
analytically.
Molecular Microbiology,
Journal Year:
2023,
Volume and Issue:
122(3), P. 284 - 293
Published: Sept. 17, 2023
Abstract
Honey
bees
have
emerged
as
a
new
model
to
study
the
gut–brain
axis,
they
exhibit
complex
social
behaviors
and
cognitive
abilities,
while
experiments
with
gnotobiotic
revealed
that
their
gut
microbiota
alters
both
brain
behavioral
phenotypes.
Furthermore,
honey
bee
functions
supporting
broad
range
of
been
intensively
studied
for
over
50
years,
has
experimentally
characterized
only
recently.
Here,
we
combined
six
published
datasets
from
metabolomic
analyses
provide
an
overview
neuroactive
metabolites
whose
abundance
in
gut,
hemolymph
varies
presence
microbiota.
Such
may
either
be
produced
by
bacteria,
released
pollen
grains
during
decomposition
or
other
organs
response
different
bacterial
products.
We
describe
current
state
knowledge
regarding
impact
such
on
function
behavior
further
hypotheses
explore
this
emerging
field
research.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 23, 2023
Apis
mellifera
evolved
mainly
in
African,
Asian,
and
European
continents
over
thousands
of
years,
leading
to
the
selection
a
considerable
number
honey
bees
subspecies
that
have
adapted
various
environments
such
as
hot
semi-desert
zones
cold
temperate
zones.
With
evolution
bee
subspecies,
it
is
possible
environmental
conditions,
food
sources,
microbial
communities
typical
colonized
areas
shaped
gut
microbiota.In
this
study
microbiota
two
distinct
lineages
(mitochondrial
haplotypes)
ruttneri
(lineage
A)
ligustica
carnica
(both
lineage
C)
were
compared.
Honey
guts
collected
dry
period
respective
breeding
(the
island
Malta
regions
Emilia-Romagna
South
Tyrol
Italy).
Microbial
DNA
from
was
extracted
amplified
for
V3-V4
16S
rRNA
gene
bacteria
ITS2
fungi.The
analyses
carried
out
show
Maltese
A
distinctive
when
compared
Italian
C
bees,
with
most
abundant
genera
being
Bartonellaceae
Lactobacillaceae,
respectively.
Lactobacillaceae
Lineage
consist
Apilactobacillus
instead
Lactobacillus
Bombilactobacillus
C.
also
harbors
higher
proportions
Arsenophonus,
Bombella,
Commensalibacter,
Pseudomonas
C.The
environment
seems
be
main
driver
acquisition
these
marked
differences
microbiota.
However,
influence
other
factors
host
genetics,
seasonality
or
geography
may
still
play
significant
role
microbiome
shaping,
synergy
aspects.
