Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 31, 2024
The
use
of
nanoparticles
is
a
promising
ecofriendly
strategy
for
mitigating
both
abiotic
and
biotic
stresses.
However,
the
physiological
defense
response
mechanisms
plants
exposed
to
multiple
stresses
remain
largely
unexplored.
Herein,
we
examined
how
foliar
application
biogenic
nanosilica
(BNS)
impacts
rice
plant
growth,
molecular
defenses,
metabolic
responses
when
subjected
arsenic
(As)
toxicity
infested
by
insect
Antibiotics,
Год журнала:
2023,
Номер
12(2), С. 338 - 338
Опубликована: Фев. 6, 2023
Nanoparticles
are
recognized
due
to
their
particular
physical
and
chemical
properties,
which
conferred
size,
in
the
range
of
nanometers.
for
application
medicine,
electronics,
textile
industry,
among
others,
but
also
agriculture.
The
nanoparticles
as
nanofertilizers
biostimulants
can
help
improve
growth
crop
productivity,
it
has
therefore
been
mentioned
an
essential
tool
control
adverse
effects
abiotic
stress.
However,
have
noted
exceptional
antimicrobial
properties.
Therefore,
this
work
reviews
state
art
different
that
shown
capacity
biotic
stress
plants.
In
regard,
metal
oxide
nanoparticles,
polymeric
such
silica
described.
Moreover,
uptake
translocation
covered.
Finally,
future
remarks
about
studies
on
beneficial
role
management
made.
ACS Nano,
Год журнала:
2023,
Номер
17(3), С. 3107 - 3118
Опубликована: Янв. 27, 2023
Nanosilicon
applications
have
been
shown
to
increase
plant
defenses
against
both
abiotic
and
biotic
stresses.
Silicon
quantum
nanodots
(Si
NDs),
a
form
of
nanosilicon,
possess
excellent
biological
physiochemical
properties
(e.g.,
minimal
size,
high
water
solubility,
stability,
biocompatibility),
potentially
making
them
more
efficient
in
regulating
responses
stress
than
other
forms
silicon.
However,
date,
we
still
lack
mechanistic
evidence
for
how
soil-applied
Si
NDs
alter
the
regulation
physical
chemical
insect
herbivores.
To
address
this
gap,
compared
effect
fluorescent
amine-functionalized
(5
nm)
conventional
fertilizer
sodium
silicate
on
maize
(Zea
mays
L.)
oriental
armyworm
(Mythimna
separata,
Walker)
caterpillars.
We
found
that
50
mg/kg
additions
inhibited
growth
caterpillars
most
(35.7%
22.8%,
respectively)
as
application
doses
(0,
10,
150
mg/kg).
Both
addition
activated
biosynthesis
genes
responsible
(benzoxazinoids)
(lignin)
defense
production.
Moreover,
upregulated
gene
expression
antioxidant
enzymes
(SOD,
CAT,
POD)
promoted
metabolism
(flavonoids)
leaves
under
M.
separata
attack.
Finally,
show
that,
field
conditions,
ND
increased
cob
weight
(28.7%),
grain
(40.8%),
100-grain
(26.5%)
control,
so
silicon
fertilizer.
Altogether,
our
findings
highlight
potential
be
used
an
effective
ecofriendly
crop
protection
strategy
agroecosystems.
Critical Reviews in Environmental Science and Technology,
Год журнала:
2023,
Номер
54(9), С. 722 - 746
Опубликована: Окт. 11, 2023
AbstractDue
to
the
frequent
occurrence
of
extreme
weather
and
severe
environmental
pollution,
food
security
human
survival
are
at
risk.
Silicon,
a
key
element
in
plant
nutrition
remediation,
has
variety
applications
combatting
various
forms
abiotic
biotic
stress
fostering
healthy
plants
soils.
To
establish
silicon-based
defense
barrier
for
plants,
we
firstly
summarized
grouped
mechanisms
silicon
functioning
plants:
1)
molecular
regulation
overall
strengthening,
2)
physical
apoplastic
obstruction,
3)
energy
conservation.
Additionally,
types
materials
as
soil
remediation
fertilizers
were
discussed.
Then,
challenges
build
up
such
analyzed
terms
absorption
transportation,
deposition
aggregation,
perception
regulation.
An
"external
+
internal"
strategy
was
proposed
accelerate
establishment
enhance
plants'
resistance
including
high
temperatures,
drought,
ultraviolet
radiation,
salt,
heavy
metals,
nutrient
deficiencies,
new
pollutants,
stress.
Finally,
this
paper
emphasized
contribution
Soil-Plant-Atmosphere
system
that
eventually
benefit
health.
This
highlights
current
understanding
future
perspectives
silicon-related
research
system,
providing
reference
application
agricultural
fields.Keywords:
pollutionplant
healthSiliconsoil
healthstress
resistanceHandling
Editors:
Dan
Tsang
Lena
Q.
Ma
Disclosure
statementNo
potential
conflict
interest
reported
by
author(s).Additional
informationFundingThis
work
jointly
supported
grants
from
National
Natural
Science
Foundation
China
(No.
32272799),
Fundamental
Research
Funds
Central
Universities
226-2023-00077)
Key
Development
Program
2018YFD0800202).
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(31), С. 11860 - 11874
Опубликована: Июль 26, 2023
To
systematically
assess
the
impact
of
typical
CNMs
on
growth
effects
cereal
crops,
we
conducted
a
meta-analysis
48
independent
studies
worldwide.
The
pooled
results
showed
that
shoot
weight
(13.39%)
and
antioxidant
metabolite
content
(SOD:
106.32%,
POD:
32.29%,
CAT:
22.63%)
crops
exposed
to
presence
were
significantly
increased,
but
phytohormones
secretion
(17.84%)
was
inhibited.
subgroup
analysis
there
differences
in
different
CNM
types
with
same
exposure
concentration
effects.
Short-term
adversely
affected
root
photosynthetic
capacity
crop,
prolonged
instead
promoting
effect.
Multiple
linear
regression
variety
variables
associated
changes
multiple
effect
values.
This
work
could
offer
references
fresh
perspectives
for
investigating
how
nanoparticles
interact.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 3, 2024
Phytotoxicity
of
trace
elements
(commonly
misunderstood
as
‘heavy
metals’)
includes
impairment
functional
groups
enzymes,
photo-assembly,
redox
homeostasis,
and
nutrient
status
in
higher
plants.
Silicon
nanoparticles
(SiNPs)
can
ameliorate
element
toxicity.
We
discuss
SiNPs
response
against
several
essential
(such
Cu,
Ni,
Mn,
Mo,
Zn)
non-essential
(including
Cd,
Pb,
Hg,
Al,
Cr,
Sb,
Se,
As)
elements.
hinder
root
uptake
transport
the
first
line
defence.
charge
plant
antioxidant
defence
elements-induced
oxidative
stress.
The
enrolment
gene
expressions
was
also
noticed
on
many
occasions.
These
genes
are
associated
with
anatomical
physiological
phenomena,
such
cell
wall
composition,
photosynthesis,
metal
transport.
On
this
note,
we
dedicate
later
sections
review
to
support
an
enhanced
understanding
influence
metabolomic,
proteomic,
genomic
profile
plants
under