Beyond heat waves: Unlocking epigenetic heat stress memory in Arabidopsis
PLANT PHYSIOLOGY,
Год журнала:
2023,
Номер
194(4), С. 1934 - 1951
Опубликована: Окт. 25, 2023
Abstract
Plants
remember
their
exposure
to
environmental
changes
and
respond
more
effectively
the
next
time
they
encounter
a
similar
change
by
flexibly
altering
gene
expression.
Epigenetic
mechanisms
play
crucial
role
in
establishing
such
memory
of
fine-tuning
With
recent
advancements
biochemistry
sequencing
technologies,
it
has
become
possible
characterize
dynamics
epigenetic
on
scales
ranging
from
short
term
(minutes)
long
(generations).
Here,
our
main
focus
is
describing
current
understanding
temporal
regulation
histone
modifications
chromatin
during
short-term
recurring
high
temperatures
reevaluating
them
context
natural
environments.
Investigations
structural
Arabidopsis
after
repeated
heat
at
intervals
have
revealed
detailed
molecular
stress
memory,
which
include
modification
enzymes,
remodelers,
key
transcription
factors.
In
addition,
we
summarize
spatial
responses.
Based
temperature
patterns
summer,
discuss
how
plants
cope
with
occurring
various
utilizing
2
distinct
types
mechanisms.
We
also
explore
future
research
directions
provide
precise
memory.
Язык: Английский
H2O2 priming: Biostimulation, drought tolerance and DNA methylation profile with intergenerational impact in tobacco plant
Environmental and Experimental Botany,
Год журнала:
2024,
Номер
226, С. 105859 - 105859
Опубликована: Авг. 2, 2024
Язык: Английский
Development of a novel multivariate germination index to quantify seed hydration memory
Plant Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
In
recent
decades,
the
concept
of
memory
has
gained
significant
attention
in
plant
ecophysiology
research.
When
is
expressed
during
germination,
it
referred
to
as
'seed
hydration
memory'.
Although
numerous
metrics
relate
different
aspects
literature
lacks
a
method
for
quantifying
seed
memory.
This
study
aimed
develop
Germination
Memory
Index
(GMI);
mathematical
tool
designed
quantify
The
GMI
enables
comparisons
native
or
cultivated
species
germinating
under
various
conditions
following
discontinuous
hydration.
We
tested
using
data
from
an
experiment
that
evaluated
germination
Cereus
jamacaru
seeds
subjected
water
deficit
after
undergoing
and
dehydration
cycles
(HD
cycles).
index
calculated
arithmetic
mean
gains,
if
any,
capacity,
germinability,
time
reach
50%
rate,
uniformity
synchrony
uncertainty,
obtained
seeds.
ranges
0
≤
≤1.
Gains
are
observed
when
HD
enhance
rate
while
reducing
uncertainty
compared
their
reference
values.
absence
occurs
≤0,
indicating
process
favourable
without
cycles.
only
hydration,
=
1.
Using
GMI,
we
can
accurately
measure
gains
germinative
behaviour
provided
by
cycles,
this
reflects
changes
not
capacity
but
also
time,
speed,
uniformity,
uncertainty.
Язык: Английский
Vegetal memory through the lens of transcriptomic changes – recent progress and future practical prospects for exploiting plant transcriptional memory
Plant Signaling & Behavior,
Год журнала:
2024,
Номер
19(1)
Опубликована: Июль 30, 2024
Plant
memory
plays
an
important
role
in
the
efficient
and
rapid
acclimation
to
a
swiftly
changing
environment.
In
addition,
since
plant
can
be
inherited,
it
is
also
of
adaptive
evolutionary
importance.
The
ability
store,
retain,
retrieve
delete
information
on
acquired
experience
based
cellular,
biochemical
molecular
networks
plants.
This
review
offers
up-to-date
overview
formation,
types,
checkpoints
our
current
knowledge
focusing
its
transcriptional
aspects,
memory.
Roles
long
small
non-coding
RNAs
are
summarized
regulation,
formation
cooperation
between
different
layers
memory,
i.e.
establishment
epigenetic
changes
associated
with
RNA
interference
mechanisms
at
DNA
level
interplays
them
presented.
Furthermore,
this
gives
insight
how
exploitation
may
provide
new
opportunities
for
elaborating
promising
cost-efficient,
effective
strategies
cope
ever-changing
environmental
perturbations,
caused
by
climate
change.
potentials
memory-based
methods,
such
as
crop
priming,
cross
acclimatization,
modification
miRNAs
associative
use
future's
agriculture
discussed.
Язык: Английский
H2o2 Priming: Biostimulation, Drought Tolerance and DNA Methylation Profile with Intergenerational Impact in Tobacco Plant
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
PHYSICAL EUSTRESSORS AS POTENTIAL TOOLS TO IMPROVE CROP STRESS TOLERANCE (REVIEW)
Siberian Journal of Life Sciences and Agriculture,
Год журнала:
2023,
Номер
15(6), С. 360 - 386
Опубликована: Дек. 29, 2023
Background.
The
processes
occurring
in
plants
and
their
seeds
under
stress,
as
well
the
defense
mechanisms
used
by
are
poorly
understood,
which
makes
it
impossible
to
use
them
increase
yields.
Purpose.
Review
analysis
of
scientific
publications,
devoted
phenomenon
stress
memory
acquired
a
result
physical
stressors
on
possible
applications
this
plant
growing
crop
breeding.
Materials
methods.
A
selection
systematic
review
articles
research
topic
for
period
2016-2023
was
performed.
study
consisted
following
steps:
literature
search,
evaluation
selection,
data
synthesis
analysis.
Results.
hormetic
effects
agents
stimulate
seed
germination
crops
is
effective.
Responses
abiotic
stresses
could
be
'trained'
priming
so
that
becomes
better
able
cope
with
later
stress.
Evidence
short-term
transgenerational
formation
has
been
obtained.
An
epigenetic
mechanism
long-term
eustressor
identified.
induces
specific
marks
associated
environmental
adaptation,
forming
new
stress-resistant
phenotype.
Physical
eustressors
have
potential
impart
tolerance
enhance
phenotypic
characteristics
prevent
yield
losses.
Conclusion.
Seed
treatment
builds
stresses,
but
evidence
issue
incomplete
sketchy.
understanding
application
breeding
purposes
currently
limited,
great
development
varieties.
Язык: Английский