Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 14, 2023
Due
to
their
stationery
nature,
plants
are
exposed
a
diverse
range
of
biotic
and
abiotic
stresses,
which
heavy
metals
stress
poses
as
one
the
most
detrimental
targeting
crucial
vital
processes.
Heavy
instigate
over-production
reactive
oxygen
species
(ROS),
in
order
mitigate
adverse
effects
ROS,
induce
multiple
defence
mechanisms.
Besides
negative
implications
overproduction
these
molecules
play
multitude
signaling
roles
plants,
acting
central
player
complex
network
cells.
One
mechanisms
it
is
involved
mitogen-activated
protein
kinase
(MAPK)
cascade,
pathway
used
transduce
extracellular
stimuli
into
intracellular
responses.
Plant
MAPKs
have
been
implicated
phytohormones
cell
cycle
cues.
However,
influence
various
on
activation
has
not
well
documented.
In
this
review,
we
will
attempt
address
summarize
several
aspects
related
metal-induced
ROS
signaling,
how
signals
activate
MAPK
cascade
downstream
transcription
factors
that
instigates
response
metals.
Moreover,
highlight
modern
research
methodology
could
characterize
novel
genes
associated
with
metal
stress.
Plant Cell & Environment,
Год журнала:
2024,
Номер
47(8), С. 2793 - 2810
Опубликована: Апрель 23, 2024
Due
to
their
stationary
nature,
plants
are
exposed
a
diverse
range
of
biotic
and
abiotic
stresses,
which
heavy
metal
(HM)
stress
poses
one
the
most
detrimental
targeting
plant
processes.
HMs
instigate
overproduction
reactive
oxygen
species
(ROS),
mitigate
adverse
effects
ROS,
induce
multiple
defence
mechanisms.
Besides
negative
implications
these
molecules
play
multitude
signalling
roles
in
plants,
acting
as
central
player
complex
network
cells.
One
ROS-associated
mechanisms
is
mitogen-activated
protein
kinase
(MAPK)
cascade,
pathway
transduces
extracellular
stimuli
into
intracellular
responses.
Plant
MAPKs
have
been
implicated
involved
response,
phytohormone
regulation,
cell
cycle
cues.
However,
influence
various
on
MAPK
activation
has
not
well
documented.
In
this
review,
we
address
summarise
several
aspects
related
HM-induced
ROS
signalling.
Additionally,
touch
how
signals
activate
cascade
downstream
transcription
factors
that
responses
HMs.
Moreover,
propose
workflow
could
characterise
genes
associated
with
during
HM
Journal of Experimental Botany,
Год журнала:
2024,
Номер
75(15), С. 4494 - 4511
Опубликована: Фев. 6, 2024
During
land
plant
evolution,
the
number
of
genes
encoding
for
components
thiol
redox
regulatory
network
and
generator
systems
reactive
oxygen
species
(ROS)
expanded,
tentatively
indicating
that
they
have
a
role
in
tailored
environmental
acclimatization.
This
hypothesis
has
been
validated
both
experimentally
theoretically
during
last
few
decades.
Recent
developments
dynamic
redox-sensitive
GFP
(roGFP)-based
vivo
sensors
H2O2
potential
glutathione
pool
paved
way
dissecting
kinetics
changes
occur
these
crucial
parameters
response
to
stressors.
The
versatile
cellular
sensory
system
monitors
alterations
metabolism
controls
activity
target
proteins,
thereby
affects
most,
if
not
all,
processes
ranging
from
transcription
translation
metabolism.
review
uses
examples
describe
redox-
ROS-dependent
realising
appropriate
responses
diverse
stresses.
selected
case
studies
concern
different
challenges,
namely
excess
excitation
energy,
heavy
metal
cadmium
metalloid
arsenic,
nitrogen
or
phosphate
shortages
as
nutrient
deficiency,
wounding,
nematode
infestation.
Each
challenge
redox-regulatory
ROS
network,
but
our
present
state
knowledge
also
points
toward
pressing
questions
remain
open
relation
regulation
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
This
study
investigated
the
effects
of
fine-sized
pork
bone
biochar
particles
on
remediating
As-contaminated
soil
and
alleviating
associated
phytotoxicity
to
rice
in
50-day
short-term
120-day
full-life-cycle
pot
experiments.
The
addition
micro-nanostructured
(BC)
pyrolyzed
at
400
600
°C
(BC400
BC600)
significantly
increased
As-treated
shoot
root
fresh
weight
by
24.4–77.6%,
while
simultaneously
reducing
tissue
As
accumulation
26.7–64.1%
increasing
content
17.1–27.1%
as
compared
treatment.
Microbial
community
analysis
demonstrated
that
BC600
BC400
treatments
proportion
plant
growth-promoting
microbes
such
Ceratobasidium
Achromobacter
33–81.6%
roots
adsorption-associated
Bacillus
1.15–1.59-fold
rhizosphere
soil.
Metabolomic
profiling
suggests
BC
coexposure
triggered
differentially
expressed
metabolites
(DEMs)
enriched
lipid,
carbohydrate,
amino
acid
metabolic
pathways,
all
which
could
alleviate
As-induced
promote
tolerance.
Importantly,
quality
grains
was
improved
amendments.
demonstrates
significant
potential
for
enhancing
crop
growth
minimizing
provides
a
framework
promising
strategy
heavy
metal(loid)-contaminated
promoting
food
safety.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 5, 2024
Abstract
Human-related
environments,
including
food
and
clinical
settings,
present
microorganisms
with
atypical
challenging
conditions
that
necessitate
adaptation.
Several
cases
of
novel
horizontally
acquired
genetic
material
associated
adaptive
traits
have
been
recently
described,
contained
within
giant
transposons
named
Starships.
While
several
Starships
found
in
domesticated
species,
the
extent
their
impact
on
evolution
human-associated
fungi
remains
unknown.
Here,
we
investigated
whether
shaped
genomes
two
major
genera
occurring
Aspergillus
Penicillium.
Using
seven
independent
domestication
events,
all
strains
or
species
exhibited
significantly
greater
Starship
content
compared
close
relatives
from
non-human-related
environments.
We
a
similar
pattern
contexts.
Our
findings
clear
implications
for
agriculture,
human
health
industry
as
implicate
widely
recurrent
mechanism
gene
transfer
aiding
rapid
adaptation
to
Arbuscular
mycorrhizal
fungi
(AMF)
can
regulate
metal(loid)
tolerance
in
plants
and
their
capacity
for
phytoremediation.
These
effects
vary
depending
on
the
host
plant
AMF
species.
The
impact
of
different
species
ability
safflower
(Carthamus
tinctorius
L.)
arsenic
(As)
phytoremediation
is
still
largely
unknown.
Therefore,
this
study
aimed
to
assess
effect
two
species,
Rhizophagus
irregularis,
Funneliformis
mosseae,
accumulation
As
soils
spiked
with
varying
arsenate
concentrations
(0,
25,
50,
100
mg
kg
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e29140 - e29140
Опубликована: Апрель 1, 2024
Arsenic
(As),
a
metalloid
of
considerable
toxicity,
has
become
increasingly
bioavailable
through
anthropogenic
activities,
raising
As
contamination
levels
in
groundwater
and
agricultural
soils
worldwide.
This
bioavailability
profound
implications
for
plant
biology
farming
systems.
can
detrimentally
affect
crop
yield
pose
risks
bioaccumulation
subsequent
entry
into
the
food
chain.
Upon
exposure
to
As,
plants
initiate
multifaceted
molecular
response
involving
crucial
signaling
pathways,
such
as
those
mediated
by
calcium,
mitogen-activated
protein
kinases,
various
phytohormones
(e.g.,
auxin,
methyl
jasmonate,
cytokinin).
These
turn,
activate
enzymes
within
antioxidant
system,
which
combat
reactive
oxygen/nitrogen
species
(ROS
RNS)
generated
As-induced
stress.
Plants
exhibit
sophisticated
genomic
upregulation
genes
associated
with
uptake,
chelation,
sequestration.
Specific
gene
families,
coding
aquaglyceroporins
ABC
transporters,
are
key
mediating
uptake
translocation
tissues.
Moreover,
we
explore
regulatory
networks
that
orchestrate
synthesis
phytochelatins
metallothioneins,
chelation
detoxification.
Transcription
factors,
particularly
belonging
MYB,
NAC,
WRKY
emerge
central
regulators
activating
As-responsive
genes.
On
post-translational
level,
examine
how
ubiquitination
pathways
modulate
stability
function
proteins
involved
metabolism.
By
integrating
omics
findings,
this
review
provides
comprehensive
overview
complex
landscape
defines
responses
As.
Knowledge
gained
from
these
epigenetic
insights
is
pivotal
developing
biotechnological
strategies
enhance
tolerance.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июнь 12, 2024
Abstract
Common
bentgrass
Agrostis
capillaris
L.
is
known
as
tolerant
to
toxic
elements.
A
hypothesis
was
examined
that
its
ecotypes
growing
in
historically
polluted
sites
show
a
limited
arsenic
uptake
and
have
genetic
features
distinguish
them
from
commercially
available
cultivars.
The
study
conducted
Złoty
Stok,
historical
area
of
mining.
Additionally,
two
commercial
cultivars
were
grown
pots
with
arsenic-rich
soils.
Based
on
concentrations
plant
roots
shoots,
bioconcentration
translocation
factors
BCF
TF
calculated.
Commercial
indicated
many
times
higher
shoots
values
compared
field
plants.
DNA
analysis
leaf
blades
showed
clear
distinction
between
the
plants
some
patches
field,
also
gene
overlap
forms.
research
did
not
allow
for
identification
exceptionally
uptake.
Moreover,
there
no
significant
differences
genotypic
characteristics
those
poorly
seeds.
Apparently,
other
factors,
genetically
determined
features,
are
responsible
A.
tolerance
Stok.
New Zealand Journal of Crop and Horticultural Science,
Год журнала:
2024,
Номер
unknown, С. 1 - 24
Опубликована: Окт. 6, 2024
Arsenic
(As)
in
rice
plants
has
toxic
effects
on
their
quality
and
human
health.
In
the
present
study,
100
cultivars
have
been
screened
hydroponics
to
analyze
As
toxicity
select
As-tolerant
sensitive
cultivars.
The
findings
showed
that
responded
differently
stress
at
varying
levels
of
effect.
treatments
significantly
changed
morphological
traits,
arsenic
tolerance
index
(ATI
%),
pigments,
H2O2
concentrations.
Luit
Swarna
demonstrated
remarkable
results
(tolerant
sensitive)
terms
growth,
as
well
ATI,
chlorophyll
content,
enzymatic
non-enzymatic
antioxidants.
Arsenic-induced
pigment
degradation
antioxidant
content
reduction
were
greater
than
Luit.
Moreover,
biochemical
analysis
correlated
with
parameters.
selected
may
be
used
explore
mechanism
depth,
which
will
require
further
molecular
investigations.