Microbiology and Molecular Biology Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
SUMMARYGut
microbes
provide
benefits
to
some
animals,
but
their
distribution
and
effects
across
diverse
hosts
are
still
poorly
described.
There
is
accumulating
evidence
for
host
specificity
(i.e.,
a
pattern
where
different
tend
associate
with
distinct
lineages),
the
causes
consequences
of
this
unclear.
Combining
experimental
tests
in
laboratory
broad
surveys
wild
promising
approach
gaining
comprehensive
mechanistic
understanding
prevalence,
origin,
importance.
Social
bees
represent
an
ideal
testbed
endeavor
because
they
phylogenetically
functionally
diverse,
host-specific,
stable,
tractable
gut
microbiota.
Furthermore,
western
honeybee
(Apis
mellifera)
emerging
model
system
studying
microbiota-host
interactions.
In
review,
we
summarize
data
on
prevalence
strength
social
bee
microbiota
(bumblebees,
stingless
bees,
honeybees),
as
well
potential
proven
ecological
molecular
mechanisms
that
maintain
specificity.
Overall,
found
relatively
strong
likely
results
from
several
processes,
including
filtering
mediated
by
immune
priority
effects.
However,
more
research
needed
multiple
species
confirm
these
findings.
To
help
future
research,
hypotheses
field
propose
comparative
tests.
Finally,
conclude
review
highlighting
need
understand
how
can
influence
health.
FEMS Microbiology Reviews,
Journal Year:
2021,
Volume and Issue:
46(2)
Published: Nov. 18, 2021
ABSTRACT
Social
bee
gut
microbiotas
play
key
roles
in
host
health
and
performance.
Worryingly,
a
growing
body
of
literature
shows
that
pesticide
exposure
can
disturb
these
microbiotas.
Most
studies
examine
changes
taxonomic
composition
Western
honey
(Apis
mellifera)
caused
by
insecticide
exposure.
Core
microbiota
taxa
shift
abundance
after
but
are
rarely
eliminated,
with
declines
Bifidobacteriales
Lactobacillus
near
melliventris
being
the
most
common
shifts.
Pesticide
concentration,
duration,
season
concurrent
stressors
all
influence
whether
how
disturbed.
Also,
mechanism
disturbance—i.e.
directly
affects
microbial
growth
or
indirectly
altering
health—likely
disturbance
consistency.
Despite
interest
this
topic,
important
questions
remain
unanswered.
Specifically,
metabolic
shifts
largely
uninvestigated,
as
do
effects
pesticide-disturbed
on
Furthermore,
few
species
have
been
studied
other
than
A.
mellifera,
herbicides
fungicides
examined.
We
call
for
knowledge
gaps
to
be
addressed
so
we
may
obtain
comprehensive
picture
pesticides
alter
microbiotas,
functional
consequences
changes.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2022,
Volume and Issue:
377(1853)
Published: May 2, 2022
Floral
nectar
is
prone
to
colonization
by
nectar-adapted
yeasts
and
bacteria
via
air-,
rain-,
animal-mediated
dispersal.
Upon
colonization,
microbes
can
modify
chemical
constituents
that
are
plant-provisioned
or
impart
their
own
through
secretion
of
metabolic
by-products
antibiotics
into
the
environment.
Such
modifications
have
consequences
for
pollinator
perception
quality,
as
microbial
metabolism
leave
a
distinct
imprint
on
olfactory
gustatory
cues
inform
foraging
decisions.
Furthermore,
direct
interactions
between
pollinators
microbes,
well
consumption
modified
nectar,
potential
affect
health
both
positively
negatively.
Here,
we
discuss
integrate
recent
findings
from
research
plant–microbe–pollinator
health.
We
then
explore
future
avenues
could
shed
light
myriad
ways
in
which
health,
including
taxonomic
diversity
vertebrate
invertebrate
rely
this
reward.
This
article
part
theme
issue
‘Natural
processes
influencing
health:
chemistry
landscapes’.
Ecology,
Journal Year:
2025,
Volume and Issue:
106(3)
Published: March 1, 2025
Abstract
Rising
temperatures
negatively
affect
bumble
bee
fitness
directly
through
physiological
impacts
and
indirectly
by
disrupting
mutualistic
interactions
between
bees
other
organisms,
which
are
crucial
in
determining
species‐specific
responses
to
climate
change.
Gut
microbial
symbionts,
key
regulators
of
host
nutrition
health,
may
be
the
Achilles'
heel
thermal
insects.
They
not
only
modulate
biotic
with
plants
pathogens
but
also
exhibit
varying
sensitivity
themselves.
Understanding
how
environmental
changes
disrupt
microbiome
communities
is
a
first
step
determine
potential
consequences
for
population
responses.
We
analyzed
gut
bacterial
six
species
inhabiting
different
climatic
niches
along
an
elevational
gradient
German
Alps
using
16S
ribosomal
DNA
amplicon
sequencing.
investigated
whether
inter‐
intraspecific
differences
can
linked
species'
niches,
differ
temperature,
flower
resource
composition,
likely
pathogen
pressure.
A
reciprocal
translocation
experiment
distinct
regions
tested
Bombus
terrestris
lucorum
change
short‐term
when
exposed
new
environments.
Finally,
we
these
heat
cold
wave
scenarios
within
chambers
disentangle
pure
temperature‐driven
effects
on
from
effects.
Interspecific
variation
composition
exceeded
variation.
Species
levels
stability,
where
stability
defined
as
within‐group
variance:
lower
indicated
greater
variance,
predominantly
observed
higher
elevations.
Transplanted
showed
subtle
adjustments,
marked
increase
Lactobacillaceae
upon
exposure
warmer
regions;
however,
microbiomes
did
under
laboratory
temperature
scenarios.
conclude
that
could
lead
For
example,
less
stable
elevations
might
indicate
increased
pathogens.
Short‐term
following
relatively
microbiomes,
such
B.
,
rapidly
integrate
bacteria,
their
capacity
cope
environments
Molecular Ecology,
Journal Year:
2022,
Volume and Issue:
32(3), P. 724 - 740
Published: Nov. 5, 2022
Abstract
How
a
host's
microbiome
changes
over
its
lifespan
can
influence
development
and
ageing.
As
these
temporal
patterns
have
only
been
described
in
detail
for
handful
of
hosts,
an
important
next
step
is
to
compare
succession
more
broadly
investigate
why
it
varies.
Here
we
characterize
the
dynamics
stability
bumble
bee
worker
gut
microbiome.
Bumble
bees
simple
host‐specific
microbiomes,
their
microbial
may
health
pollination
services.
We
used
16S
rRNA
gene
sequencing,
quantitative
PCR
metagenomics
microbiomes
Bombus
impatiens
workers.
also
sequenced
transcriptomes
examine
host
factors
that
control
At
community
level,
assembly
highly
predictable
similar
primary
observed
human
gut.
However,
at
strain
partitioning
bacterial
variants
among
colonies
suggests
stochastic
colonization
events
those
flies
nematodes.
find
strong
differences
symbiont
species,
suggesting
ecological
members
persistence.
Finally,
show
both
transcriptome—including
expression
key
immunity
genes—stabilize,
as
opposed
senesce,
with
age.
suggest
social
groups
such
bees,
maintenance
contribute
inclusive
fitness,
thus
remain
under
selection
even
old
Our
findings
provide
foundation
exploring
mechanisms
functional
outcomes
succession.
Molecular Ecology,
Journal Year:
2022,
Volume and Issue:
32(6), P. 1530 - 1543
Published: Oct. 14, 2022
The
gut
microbiota
of
bees
affects
nutrition,
immunity
and
host
fitness,
yet
the
roles
diet,
sociality
geographical
variation
in
determining
microbiome
structure,
including
variant-level
diversity
relatedness,
remain
poorly
understood.
Here,
we
use
full-length
16S
rRNA
amplicon
sequencing
to
compare
crop
microbiomes
two
incipiently
social
carpenter
bee
species,
Xylocopa
sonorina
tabaniformis,
from
multiple
sites
within
each
species'
range.
We
found
that
species
share
a
set
core
taxa
consisting
Bombilactobacillus,
Bombiscardovia
Lactobacillus,
>95%
all
individual
sampled,
Gilliamella
Apibacter
were
also
detected
both
with
high
frequency.
bacterial
community
X.
comprised
nearly
entirely
Apilactobacillus
occasionally
abundant
nectar
bacteria.
Despite
sharing
taxa,
distinguished
by
lineages,
species-specific
variants
taxa.
long-read
amplicons
revealed
otherwise
cryptic
population-level
differentiation
members,
which
was
masked
when
shorter
fragment
(V4)
considered.
Of
Bombilactobacillus
exhibited
sequence
among
populations,
but
this
lacking
suggesting
some
genera
may
be
structured
different
processes.
conclude
these
distinctive
microbiome,
similar
previously
characterized
corbiculate
apids,
suggests
further
investigation
understand
evolution
its
drivers
is
warranted.
Insects,
Journal Year:
2023,
Volume and Issue:
14(5), P. 444 - 444
Published: May 8, 2023
Gut
bacterial
communities
assist
host
animals
with
numerous
functions
such
as
food
digestion,
nutritional
provision,
or
immunity.
Some
social
mammals
and
insects
are
unique
in
that
their
gut
microbial
stable
among
individuals.
In
this
review,
we
focus
on
the
of
eusocial
insects,
including
bees,
ants,
termites,
to
provide
an
overview
community
structures
gain
insights
into
any
general
aspects
structural
basis.
Pseudomonadota
Bacillota
prevalent
phyla
commonly
detected
those
three
insect
groups,
but
compositions
distinct
at
lower
taxonomic
levels.
Eusocial
harbor
shared
within
species,
while
stability
varies
depending
physiology
ecology.
Species
narrow
dietary
habits,
highly
intraspecific
communities,
generalists,
most
ant
exhibit
relatively
diverse
structures.
Caste
differences
could
influence
relative
abundance
members
without
significantly
altering
composition.