Occasional and constant exposure to dietary ethanol shortens the lifespan of worker honey bees
Journal of Comparative Physiology B,
Год журнала:
2024,
Номер
194(4), С. 403 - 410
Опубликована: Июнь 17, 2024
Honey
bees
(Apis
mellifera)
are
one
of
the
most
crucial
pollinators,
providing
vital
ecosystem
services.
Their
development
and
functioning
depend
on
essential
nutrients
substances
found
in
environment.
While
collecting
nectar
as
a
carbohydrate
source,
routinely
encounter
low
doses
ethanol
from
yeast
fermentation.
Yet,
effects
repeated
exposure
bees'
survival
physiology
remain
poorly
understood.
Here,
we
investigate
impacts
constant
occasional
consumption
food
spiked
with
1%
honey
bee
mortality
alcohol
dehydrogenase
(ADH)
activity.
This
concentration
might
be
tentatively
judged
close
to
that
natural
conditions.
We
conducted
an
experiment
which
were
exposed
three
types
long-term
diets:
sugar
solution
(control
group
simulated
conditions
no
access
ethanol),
every
third
day
(that
occasional,
infrequent
ethanol)
daily
(simulating
constant,
routine
ethanol).
The
results
revealed
both
increased
bees,
but
only
after
several
days.
These
rates
rose
frequency
intake.
ADH
activity
remained
similar
all
groups.
Our
findings
indicate
carries
harmful
accumulate
over
time.
Further
research
is
needed
pinpoint
exact
ingested
Язык: Английский
Honey bees are resilient to the long-term presence of alcohol in their diet
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Abstract
Previous
studies
on
various
organisms
have
suggested
that
low
doses
of
ethanol
can
stimulatory
effects,
while
higher
may
lead
to
toxicity,
a
response
known
as
hormesis.
Low
concentrations
occur
naturally
in
the
environment,
particularly
fermenting
fruits
and
flower
nectar,
where
pollinators
such
honey
bees
encounter
it.
This
study
aimed
investigate
potential
hormetic
effects
low-level
consumption
bees.
Bees
were
divided
into
three
groups:
one
provided
with
only
sucrose
solution,
both
0.5%
sucrose,
1%
sucrose.
The
exposed
these
diets
for
14
days,
their
performance
was
assessed
through
survivorship,
flight
endurance,
body
mass,
lipid
content,
trehalose
levels
haemolymph.
results
showed
no
significant
differences
most
parameters
between
groups.
However,
constantly
had
slightly
compared
control
group,
suggesting
possible
adaptive
exposure.
Ethanol
haemolymph
differed
significantly
groups,
showing
its
detectable
system.
While
clear
observed
terms
improved
performance,
elevated
indicate
adaptations
protecting
from
ethanol-induced
damage.
provides
insights
how
tolerate
exposure
highlights
need
further
research
ecological
implications
pollinators.
Язык: Английский