Epigenomes,
Journal Year:
2025,
Volume and Issue:
9(2), P. 10 - 10
Published: March 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.
Plant Stress,
Journal Year:
2023,
Volume and Issue:
11, P. 100297 - 100297
Published: Nov. 22, 2023
The
phytoremediation
technique
is
gaining
excessive
consideration
as
a
promising
method
to
remediate
industrially
contaminated
soils
with
heavy
metals.
In
this
study,
pot
experiment
was
performed
in
which
the
ornamental
plant
Helianthus
annus
L.
grown
pots
three
concentrations
i.e.,
0,
5,
and
10%
of
soil
amended
compost
(2%)
all
following
treatments
bacteria
Co,
Stutzerimonas
stutzeri
Pseudomonas
sundara.
After
sixty
days
experiment,
plants
were
harvested
morphological,
physiological,
antioxidants
pollution
parameters
investigated.
height
biomass
sunflower
increased
by
inoculation
S.
P.
Pigments
e.g.,
chlorophyll
a,
b,
carotenoids
proteins
enhanced.
There
an
increase
catalase,
peroxidase,
ascorbate
peroxidase
proline
content
decrease
hydrogen
peroxide
boosted
uptake
metals
(cadmium,
chromium
lead)
parts
plants.
Post-harvested
analysis
indicated
decreased
electronic
conductivity,
total
dissolved
solids,
bicarbonates
soil.
future,
combination
H.
could
be
better
polluted
soils.
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: July 10, 2024
Abstract
Background
Biochar,
a
carbon-rich
source
and
natural
growth
stimulant,
is
usually
produced
by
the
pyrolysis
of
agricultural
biomass.
It
widely
used
to
enhance
plant
growth,
enzyme
activity,
crop
productivity.
However,
there
are
no
conclusive
studies
on
how
different
levels
biochar
application
influence
these
systems.
Methods
results
The
present
study
elucidated
dose-dependent
effects
physiological
performance,
dry
matter
accumulation
tobacco
plants
via
field
experiments.
In
addition,
transcriptome
analysis
was
performed
60-day-old
(early
stage)
100-day-old
(late
leaves
determine
changes
in
transcript
at
molecular
level
under
various
(0,
600,
1800
kg/ha).
demonstrated
that
optimum
enhances
regulates
enzymatic
promotes
biomass
plants,
while
higher
doses
had
adverse
effects.
Furthermore,
revealed
total
6561
differentially
expressed
genes
(DEGs)
were
up-
or
down-regulated
groupwise
comparison
treatments.
KEGG
pathways
carbon
fixation
photosynthetic
organisms
(ko00710),
photosynthesis
(ko00195),
starch
sucrose
metabolism
(ko00500)
significantly
up-regulated
optimal
dosage
(600
kg/ha)
(1800
Conclusion
Collectively,
indicate
an
rate
could
positively
affect
fixation,
which
turn
increased
synthesis
starch,
thus
promoting
plants.
disturbs
crucial
source-sink
balance
organic
compounds
inhibits
Geosystems and Geoenvironment,
Journal Year:
2024,
Volume and Issue:
3(4), P. 100306 - 100306
Published: July 14, 2024
Microplastics
(MP)
are
prevalent
and
virtually
present
in
all
environmental
domains.
Though
microplastics
reported
worldwide,
only
limited
studies
have
been
carried
out
freshwater
ecosystems.
Therefore,
this
study
was
initiated
to
evaluate
the
presence
of
a
lake
(Vellayani
Lake),
located
Thiruvananthapuram,
Kerala,
Southern
India.
The
water
quality
assumes
significance
as
it
serves
primary
drinking
source
for
thousands
people
Thiruvananthapuram.
This
analyzed
seasonal
distribution
samples
from
three
locations
within
Vellayani
Lake
under
two
distinct
climatic
conditions,
identifying
sampled
locations.
During
monsoon
sampling,
abundance
MP
ranged
20
100
particles/m3,
with
an
average
65
particles/m3
total
194
particles/m3.
However,
during
summer,
microplastic
concentrations
34
67
particles/m³,
49
particles/m³
147
particles/m³.
Four
varieties
polymers,
High-Density
Polyethylene
(HDPE),
Low-Density
(LDPE),
Polypropylene
(PP),
Terephthalate
(PET),
detected.
HDPE
is
most
abundant
polymer
water,
along
PP,
PET,
LDPE.
dominance
polymers
highlights
rapid
disintegration
single-use
disposable
plastics.
consumption
has
proven
be
harmful,
their
long
residence
time
widespread
make
necessary
develop
new
purification
techniques
specifically
target
plastic
contaminants.
Epigenomes,
Journal Year:
2025,
Volume and Issue:
9(2), P. 10 - 10
Published: March 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.
