Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: March 24, 2023
This
experiment
investigated
the
changes
of
rhizosphere
soil
microenvironment
for
hyperaccumulation-soil
system
under
Cd
stress
in
order
to
reveal
mechanism
hyperaccumulation
and
tolerance.
Thus,
fractions,
chemical
compositions,
biochemical
characteristics
Siegesbeckia
orientalis
L.
conditions
0,
5,
10,
25,
50,
100,
150
mg
kg-1
were
through
a
root
bag
experiment,
respectively.
As
result,
induced
acidification
S.
soil,
promoted
accumulation
dissolved
organic
carbon
(DOC)
readily
oxidizable
(ROC),
which
increased
by
28.39%
6.98%
at
maximum
compared
with
control.
The
percentage
labile
(acid-soluble
reducible
Cd)
solution
significantly
(P
<
0.05)
from
31.87%
64.60%
26.00%
34.49%,
In
addition,
can
alleviate
inhibition
on
microorganisms
enzymes
compare
bulk
soils.
Under
medium
low
concentrations
Cd,
microbial
biomass
(MBC),
basal
respiration,
ammonification
nitrification
0.05),
activities
key
not
inhibited.
suggests
that
pH
reduction
(DOC
ROC)
increase
bioavailability
may
have
contributed
orientalis.
Moreover,
soils
enhance
tolerance
alleviating
nutrient
imbalance
toxicity
caused
pollution.
study
revealed
physicochemical
properties
stress.
Rhizosphere
are
factors
promoting
activation,
responses
Journal of Plant Growth Regulation,
Journal Year:
2023,
Volume and Issue:
43(9), P. 2972 - 2992
Published: Aug. 4, 2023
Abstract
Phytoremediation
is
gaining
momentum
among
bioremediation
strategies
for
addressing
high
levels
of
metal(loid)s
and
organic
pollutants
in
the
environment,
which
threaten
plants,
wildlife,
human
safety
due
to
their
cytotoxic,
mutagenic,
carcinogenic
effects.
An
impediment
this
method
limitation
innate
abilities
phytoremediation
species
efficiently
cope
with
pollutant-mediated
stress,
often
restricts
growth,
development,
efficient
pollutant
removal.
Phlorotannins,
a
class
polyphenols
derived
from
marine
brown
algae,
possess
number
bioactivities
that
may
be
beneficial
boosting
efficiency.
This
review
provides
concise
overview
phlorotannins,
chemical
nature
structural
classes,
few
(indicating
paucity
research
data)
phlorotannins
have
been
reported
plants.
In
addition,
included
are
synopses
on
different
highlights
major
future
perspectives
harnessing
phlorotannin
ameliorate
stress
tolerance
benefit
efforts.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: March 24, 2023
This
experiment
investigated
the
changes
of
rhizosphere
soil
microenvironment
for
hyperaccumulation-soil
system
under
Cd
stress
in
order
to
reveal
mechanism
hyperaccumulation
and
tolerance.
Thus,
fractions,
chemical
compositions,
biochemical
characteristics
Siegesbeckia
orientalis
L.
conditions
0,
5,
10,
25,
50,
100,
150
mg
kg-1
were
through
a
root
bag
experiment,
respectively.
As
result,
induced
acidification
S.
soil,
promoted
accumulation
dissolved
organic
carbon
(DOC)
readily
oxidizable
(ROC),
which
increased
by
28.39%
6.98%
at
maximum
compared
with
control.
The
percentage
labile
(acid-soluble
reducible
Cd)
solution
significantly
(P
<
0.05)
from
31.87%
64.60%
26.00%
34.49%,
In
addition,
can
alleviate
inhibition
on
microorganisms
enzymes
compare
bulk
soils.
Under
medium
low
concentrations
Cd,
microbial
biomass
(MBC),
basal
respiration,
ammonification
nitrification
0.05),
activities
key
not
inhibited.
suggests
that
pH
reduction
(DOC
ROC)
increase
bioavailability
may
have
contributed
orientalis.
Moreover,
soils
enhance
tolerance
alleviating
nutrient
imbalance
toxicity
caused
pollution.
study
revealed
physicochemical
properties
stress.
Rhizosphere
are
factors
promoting
activation,
responses
