Horticulturae,
Год журнала:
2025,
Номер
11(2), С. 214 - 214
Опубликована: Фев. 17, 2025
Rosa
rugosa
is
an
excellent
aromatic
plant
species
valued
for
both
essential
oil
extraction
and
ornamental
applications.
This
study
aimed
to
evaluate
its
adaptive
responses,
bioaccumulation
capacity,
production
quality
under
cadmium
(Cd)
stress,
providing
insights
phytoremediation
sustainable
agriculture.
A
controlled
pot
experiment
was
conducted
using
two
cultivars
(R.
‘Zizhi’
bud
mutation
R.
‘Baizizhi’)
subjected
various
Cd
treatments.
Growth
parameters
physiological
indices,
such
as
antioxidant
enzyme
activities,
chlorophyll
content,
photosynthesis
rates,
floral
volatile
organic
compounds,
were
systematically
analyzed.
concentrations
ranging
from
5
50
mg·kg−1
maintained
growth,
but
significantly
elevated
activities
(SOD
+
65.94–300.53%,
POD
37.58–75.06%,
CAT
12.48–12.62%)
content
(+20.27–242.79%).
In
contrast,
400
severely
inhibited
inducing
chlorosis
leaf
desiccation.
Total
volatiles
showed
a
hormetic
response,
peaking
at
200
(+46.08%).
Sesquiterpenoids
greater
Cd-responsiveness
than
monoterpenoids,
though
core
profiles
remained
stable.
The
exhibited
root
bioconcentration
BAF
>
0.1
limited
translocation
TF
<
1,
indicating
phytostabilization
potential.
Despite
tolerance
up
mg·kg−1,
field
application
recommended
below
mg·kg−1—a
threshold
exceeding
China’s
soil
limits
(GB
15618-2018).
These
findings
position
it
dual-purpose
crop
ecological
restoration
fragrance
in
Cd-impacted
areas.
Horticulturae,
Год журнала:
2023,
Номер
9(2), С. 239 - 239
Опубликована: Фев. 9, 2023
Nowadays
people
are
becoming
poisoned
through
the
consumption
of
herbal
remedies
that
comprise
heavy
metals
(HMs)
worldwide.
It
is
possible
for
HMs
to
be
present
in
pharmaceutical
herb
materials
coming
from
anthropogenic
activities
like
agriculture,
industrial
waste,
and
natural
sources.
In
various
ethnic
groups,
there
evidence
contaminants
were
purposefully
added
belief
they
had
some
sort
therapeutic
benefit.
HM
toxicity
medicinal
plant
products
has
been
linked
a
wide
range
adverse
health
effects,
causing
dysfunction
liver,
kidney,
heart,
even
death.
Natural
plant-based
established
around
world
have
progressed
point
now
combine
variety
synthetic
their
purported
medical
benefits.
This
assessment
focuses
on
impacts
plants,
sources
HMs,
sample
collection,
identification
techniques,
especially
samples.
At
same
time,
it
sociocultural
applications
as
well
dangers
associated
with
usage
conventional
therapies.
necessary
implement
appropriate
regulation
monitoring
systems
supplements
due
prevalence
hazardous
HMs.
Environmental Toxicology and Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
The
combination
of
silver
nanoparticles
(AgNPs)
and
ciprofloxacin
(CIP)
can
be
considered
an
alternative
to
combat
multidrug-resistant
microbial
infections.
However,
knowledge
about
their
combined
toxicity
is
scarce
after
being
released
in
aquatic
environment.
present
study
evaluated
the
individual
AgNPs
CIP
on
unicellular
green
microalga
Chlorella
vulgaris,
evaluating
cellular
responses
conducting
metabolomic
analysis.
median
effective
concentrations
at
96
h
(EC50-96h)
for
AgNPs,
CIP,
mixture
were
132
µg
L-1,
7000
452
respectively.
exhibited
a
synergistic
effect
with
AgNPs.
toxic
ranking
C.
vulgaris
was
>
+
CIP.
growth
rate
most
evident
parameter
toxicity.
Cell
diameter
significantly
increased
(p
<
0.001)
hours
highest
tested
mixture,
increases
24%,
41%,
19%,
respectively,
compared
control.
Photosynthetic
pigment
analyses
revealed
that
upregulated
chlorophyll,
carotenoids,
pheophytin.
exposure
caused
SOS
response
involving
protein
carbohydrate
tolerate
antibiotic
stress.
Exposure
catalase
glutathione
S-transferase
activity,
but
decreased
activity.
malondialdehyde
content
exposed
cells
due
fatty
acid
peroxidation.
These
pollutants
potential
risks
interfering
survival
metabolism.
Our
findings
highlight
possible
hazards
co-pollutants
environmentally
relevant
quantities,
providing
insights
into
ecotoxicity
Plant Stress,
Год журнала:
2023,
Номер
8, С. 100164 - 100164
Опубликована: Май 3, 2023
Hormesis,
priming,
and
allostasis,
three
fields
related
to
stress
tolerance
toxicity,
have
much
say
about
reactive
oxygen
species
(ROS),
oxidative
stress,
antioxidants.
Among
them,
hormesis
is
a
phenomenon
that
received
attention
in
the
last
two
decades,
how
toxic
substances
stressful
conditions
often
biphasic
dose-response
curve,
showing
these
beneficial
effect
at
low
doses.
Another
field,
priming
studies,
has
also
been
popular
lately.
H2O2
studies
show
H2O2,
ROS,
confers
cross-tolerance
plants
when
applied
doses,
classic
example
of
eustress,
as
argued
here.
Last
allostasis.
A
concept
arising
from
human
mammalian
it
shows
response
organism
short
term
damaging
long
term.
The
existence
allostasis
not
explored
so
far.
In
this
article,
proposed
hormesis,
eustress
(and
eustress),
are
all
connected
via
ROS
plants.
These
connections
elaborated
workable
approach
for
antioxidant
activity
presented,
with
complementing
temporal
dimension.
This
can
be
used
explain
observed
decrease
under
prolonged
or
heavy
some
studies.
Evidence
debated
an
