Epigenomes,
Год журнала:
2025,
Номер
9(2), С. 10 - 10
Опубликована: Март 29, 2025
Background:
Plants
face
a
wide
range
of
environmental
stresses
that
disrupt
growth
and
productivity.
To
survive
adapt,
they
undergo
complex
metabolic
reprogramming
by
redirecting
carbon
nitrogen
fluxes
toward
the
biosynthesis
protective
secondary
metabolites
such
as
phenylpropanoids,
flavonoids,
lignin.
Recent
research
has
revealed
these
stress-induced
processes
are
tightly
regulated
epigenetic
mechanisms,
including
DNA
methylation,
histone
modifications,
chromatin
remodeling,
non-coding
RNAs.
Methods:
This
review
synthesizes
current
findings
from
studies
on
both
model
crop
plants,
examining
roles
key
regulators
in
controlling
metabolism
under
stress.
Special
focus
is
placed
dynamic
changes
acetylation,
action
small
RNAs
siRNAs
miRNAs
transcriptional
post-transcriptional
regulation.
Results:
Evidence
indicates
stress
triggers
rapid
reversible
modifications
modulate
gene
expression
linked
to
pathways.
These
not
only
facilitate
immediate
responses
but
can
also
contribute
memory.
In
some
cases,
this
memory
retained
transmitted
next
generation,
influencing
progeny
responses.
However,
critical
knowledge
gaps
remain,
particularly
concerning
temporal
dynamics,
tissue
specificity,
long-term
stability
marks
crops.
Conclusions:
Understanding
how
regulation
governs
metabolite
production
offers
promising
avenues
enhance
resilience
productivity
context
climate
change.
Future
should
prioritize
dissecting
heritability
support
development
epigenetically
informed
breeding
strategies.
Journal of Soil Plant and Environment,
Год журнала:
2024,
Номер
3(1), С. 1 - 7
Опубликована: Март 24, 2024
Plastic
is
considered
an
emerging
agroecological
pollutant
while
biological
invasion
has
also
become
a
global
environmental
issue.
Therefore,
the
contamination
of
microplastics
and
occurrence
Solidago
canadensis
L.
in
agroecosystem
may
be
severe
hazard
to
soil
plant
functioning,
reducing
yield
perhaps
indirectly
harming
human
health.
Microplastic
adversely
affects
ecosystems
terms
carbon
pools
their
turnover.
Invasive
plants
compete
with
agronomic
crops,
have
allelopathic
effects
by
secreting
allelochemicals,
detrimental
on
productivity
crops.
However,
interaction
had
significant
negative
as
well
crop's
physiological
biochemical
properties.
Thus,
interactive
response
created
big
gap
how
they
raise
concerns
about
crop
potential
entering
into
food
web
that
ultimately
Journal of King Saud University - Science,
Год журнала:
2024,
Номер
36(6), С. 103197 - 103197
Опубликована: Апрель 4, 2024
Plant
growth-promoting
rhizobacteria
(PGPR)
can
increase
plant
growth
and
encapsulation
of
PGPR
with
biochar
ensures
the
viability
survival
PGPR.
However,
this
approach
is
still
underexplored.
The
objectives
study:
1)
to
isolate
select
a
potential
from
rice
rhizosphere
based
on
characterization,
2)
encapsulate
selected
strain
SA-10
using
sodium
alginate,
3)
assess
effect
encapsulated
non-encapsulated
chili
compared
non-inoculated
control.
was
isolated
characterized
for
promoting
traits
including,
nitrogen
fixation,
phosphate
solubilization,
production
siderophore,
indole
acetic
acid
cellulose
degradation
enzyme.
in
alginate
beads
along
biochar.
A
pot
experiment
conducted
SA-10,
control
group
effects
application
plants
complete
randomized
design
(CRD)
experimental
four
replications.
About
28
bacteria
isolates
were
endospheric
crops
determine
their
plants.
zinc,
phosphate,
potassium
siderophores
production,
degradation.
findings
showed
solubilized
zinc
at
rate
41.6
%,
50
76.9
%.
It
also
fixed
nitrogen,
produced
degraded
cellulose.
highest
IAA
4.007
mg/L.
Isolate
then
mixture
alginate.
results
that
treated
had
significantly
higher
leaf
area
(3.68
cm2),
diameter
(6.55
cm),
dry
weight
(0.39
g)
those
treatment.
Through
16S
rRNA
gene
sequencing,
it
identified
belongs
Enterobacter
genus,
closely
resembling
chuandaensis.
suggest
sp.
enhances
growth,
use
contributes
has
promising
enhancing
crop
yield
sustainable
agriculture.
Abstract
Microplastic
(MP)
pollution
in
terrestrial
ecosystems
is
gaining
attention,
but
there
limited
research
on
its
effects
leafy
vegetables
when
combined
with
heavy
metals.
This
study
examines
the
impact
of
three
MP
types—polyethylene
(PE),
polyethylene
terephthalate
(PET),
and
polystyrene
(PS)—at
concentrations
0.02,
0.05,
0.1%
w/w,
along
cadmium
(Cd)
biochar
(B),
germination,
growth,
nutrient
absorption,
metal
uptake
red
amaranth
(
Amaranthus
tricolor
L.).
We
found
that
different
types
did
not
negatively
affect
germination
parameters
like
rate,
relative
vigor,
speed.
However,
they
increased
phytotoxicity
decreased
stress
tolerance
compared
to
an
untreated
control
(CK1).
The
presence
MPs,
particularly
PS
type,
reduced
phosphorus
potassium
while
enhancing
Cd
uptake.
For
example,
treatments
0.02
CdB,
0.05
0.1
CdB
content
A.
seedlings
by
158%,
126%,
44%,
respectively,
treatment
(CK2).
Additionally,
contamination
led
plant
height,
leaf
dry
matter
content,
fresh
weights,
indicating
adverse
growth.
Moreover,
MPs
bioconcentration
factors
translocation
for
Cd,
suggesting
might
act
as
carriers
absorption
plants.
On
positive
side,
addition
improved
several
root
parameters,
including
length,
volume,
surface
area,
number
tips
potential
benefits
Our
shows
combination
reduces
growth
increases
risk
food
crops.
Further
needed
understand
how
various
species,
which
will
aid
developing
targeted
mitigation
strategies
exploring
mechanisms
through
Finally,
investigating
application
conjunction
other
amendments
mitigating
these
could
be
key
addressing
agricultural
systems.
Journal of Chemistry and Environment,
Год журнала:
2024,
Номер
unknown, С. 77 - 97
Опубликована: Март 14, 2024
Groundwater
is
one
of
the
most
significant
natural
resources
on
earth
and
also
stands
as
largest
source
all-purpose
water
in
Bangladesh.
The
higher
concentrations
iron
(Fe),
manganese
(Mn),
lead
(Pb)
constitute
a
threat
to
human
health
environment.
research
aimed
assess
seasonal
variations
heavy
metal
concentrations,
including
Fe,
Mn,
Pb,
type
controlling
geochemistry
groundwater.
A
total
sixty
groundwater
samples
were
collected
over
year
three
seasons
analyzed
for
several
physicochemical
parameters
using
standard
analysis
methods
highest
Pb
investigated
found
be
3.69,
2.50,
0.17
mg/L,
respectively.
study
observed
that
Fe
Mn
pre-monsoon
but
was
post-monsoon.
contaminations
follows
order
>
seasons,
their
abundance
follow
seasons:
PRM
POM
MON.
showed
dominance
Ca++,
Mg++,
HCO3-,
indicating
temporary
hardness
Ca-Mg-HCO3,
hydrochemical
facies,
area.
These
findings
would
provide
an
in-depth
understanding
quality,
potential
risks
health,
coping
mechanisms
sustainable
drinking
management.
Applied Biological Chemistry,
Год журнала:
2024,
Номер
67(1)
Опубликована: Дек. 21, 2024
Abstract
Plastic
pollution
is
of
critical
environmental
concern,
thus
biodegradable
plastics
(BPs)
have
emerged
as
a
potential
solution
to
limit
plastic
waste
accumulation.
However,
the
fate
BPs
in
environment,
particularly
their
degradation
and
subsequent
generation
microplastic
(BMP)
particles,
remains
poorly
understood.
This
review
aims
provide
comprehensive
insights
into
biodegradation
process
impacts
on
soil
freshwater
environments.
Microorganisms
play
pivotal
role
this
by
dismantling
polymer
chains
smaller
particles.
Factors
influencing
rates
include
composition,
conditions
(e.g.,
temperature,
ultraviolet
radiation
(UV),
pH),
presence
chemical
additives.
incomplete
can
result
BMPs,
potentially
perpetuating
environment
posing
risks
ecosystems
organisms.
consolidates
understanding
mechanisms
governing
BMP
formation,
which
imperative
for
evaluating
consequences
devising
effective
strategies
managing
waste.
