Changes in the Activities of Antioxidant Enzymes in the Fat Body and Hemolymph of Apis mellifera L. Due to Pollen Monodiets
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(1), P. 69 - 69
Published: Jan. 9, 2025
The
increasing
prevalence
of
monocultures
has
reduced
floral
diversity,
diminishing
pollen
diet
variety
for
bees.
This
study
examines
the
impact
monofloral
diets
(hazel,
rapeseed,
pine,
buckwheat,
Phacelia,
goldenrod)
on
antioxidant
enzyme
activities
in
fat
body
from
tergite
3,
5,
sternite,
and
hemolymph
honey
We
show
that
plants
such
as
goldenrod
(rich
phenolic
compounds
flavonoids)
increases
SOD,
CAT,
GST,
GPx
compared
to
control
group.
Although
it
is
commonly
known
a
monodiet
one
stress
factors
bees,
increase
these
enzymes
workers
fed
with
candy
those
only
sugar
positive
(although
inconclusive)
effect.
These
bees
anemophilous
are
usually
lower
containing
10%
or
goldenrod.
Further
research
needed
fully
understand
complex
interactions
among
diets,
activities,
overall
physiology
Language: Английский
Antioxidant Activities in the Hemolymph and Fat Body of Physiologically and Prematurely Aging Bees (Apis mellifera)
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(4), P. 373 - 373
Published: March 21, 2025
Aging
is
a
multifactorial
process
that
occurs
in
all
living
organisms,
including
bees.
One
of
the
factors
accelerating
this
stress
caused
bees
by
Varroa
destructor.
The
research
aim
was
to
compare
antioxidant
system
activities
different
tissues
and
fat
body
segments
(sternite,
tergite
3
5)
workers
aging
naturally
(physiologically)
prematurely
(affected
V.
destructor).
CAT,
GPx,
GST,
SOD
were
higher
tissues/fat
age
groups
compared
workers.
These
increased
with
age,
reaching
maximum
at
21
(in
sternite)
or
28
days
hemolymph
workers,
then
decreased
oldest
ones
(at
35
age).
In
along
age.
highest
identified
5,
which
may
suggest
its
role
detoxification
processes.
Our
results
are
starting
point
for
better
understanding
mechanisms
related
oxidative
stress,
aging,
their
correlation
health
lifespan
Language: Английский
The effects of queen mandibular pheromone on nurse-aged honey bee (Apis mellifera) hypopharyngeal gland size and lipid metabolism
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(9), P. e0292500 - e0292500
Published: Sept. 6, 2024
Queen
honey
bees
(
Apis
mellifera
)
release
Mandibular
Pheromone
(QMP)
to
regulate
traits
in
the
caste
of
female
helpers
called
workers.
QMP
signals
queen’s
presence
and
suppresses
worker
reproduction.
In
absence
reproduction,
young
workers
take
care
queen
her
larvae
(nurse
tasks),
while
older
forage.
nurses,
increases
lipid
stores
abdominal
fat
tissue
(fat
body)
protein
content
hypopharyngeal
glands
(HPG).
HPG
are
worker-specific
head
that
can
synthesize
proteinaceous
jelly
used
colony
nourishment.
Larger
signifies
ability
secrete
jelly,
shrunken
characterize
foragers
do
not
make
jelly.
While
it
is
known
stores,
mechanism
unclear:
Does
consume
more
pollen
which
provides
lipids,
or
does
increase
lipogenic
capacity?
Here,
we
measure
capacity
as
fatty
acid
synthase
(FAS)
activity
monitoring
size
caged
Cages
allow
us
rigorously
control
age,
pheromone
exposure,
diet.
our
2-factorial
design,
3-
vs.
8-day-old
(age
factor)
were
exposed
synthetic
(pheromone
consuming
a
deficient
We
found
did
influence
FAS
content,
but
still
increased
dietary
lipids.
Our
data
revealed
positive
correlation
between
size.
findings
show
strong
modulator
bees.
However,
may
reflect
mobilizes
for
production
line
with
previous
on
effects
bee
Brood
Pheromone.
Overall,
study
expands
understanding
how
affect
Such
insights
important
beyond
regulatory
biology,
various
aspects
beekeeping.
Language: Английский