The
evening
complex
(EC)
is
a
tripartite
DNA
repressor
and
core
component
of
the
circadian
clock
that
provides
mechanism
for
temperature-responsive
growth
development
many
plants.
ELF3,
EC,
disordered
scaffolding
protein
blocks
transcription
genes
at
low
temperature.
At
increased
temperature
EC
binding
disrupted
ELF3
sequestered
in
reversible
nuclear
condensate,
allowing
to
proceed.
condensation
driven
by
complexity
prion-like
domain
(PrD),
sensitivity
response
modulated
length
variable
polyQ
tract,
with
longer
tract
corresponding
enhanced
condensate
formation
hypocotyl
Here,
series
computational
studies
evidence
tracts
promote
temperature-sensitive
helices
flanking
residues
potential
impacts
stability
under
increasing
REST2
simulations
uncover
heat-induced
population
condensation-prone
conformations
results
from
exposure
‘sticky’
aromatic
breaking
long-range
contacts.
Coarse-grained
Martini
reveal
both
sequence
context
modulate
dependence
cluster
formation.
Understanding
molecular
underlying
ELF3-PrD
plants
has
implications
technologies
including
modular
temperature-response
elements
heat-responsive
design
agricultural
advances
enable
optimization
crop
yields
allow
thrive
increasingly
inhospitable
environments.
The Plant Journal,
Год журнала:
2025,
Номер
121(6)
Опубликована: Март 1, 2025
SUMMARY
Heat
stress
impacts
all
aspects
of
life,
from
evolution
to
global
food
security.
Therefore,
it
becomes
essential
understand
how
plants
respond
heat
stress,
especially
in
the
context
climate
change.
The
response
(HSR)
involves
three
main
components:
sensing,
signal
transduction,
and
cellular
reprogramming.
Here,
I
focus
on
sensing
component.
How
can
cells
detect
if
is
not
a
signalling
particle?
To
answer
this
question,
have
looked
at
molecular
definition
stress.
It
be
defined
as
any
particular
rise
optimum
growth
temperature
that
leads
higher‐than‐normal
levels
reactive
species
macromolecular
damage
biological
membranes,
proteins,
nucleic
acid
polymers
(DNA
RNA).
precisely
these
stress‐specific
alterations
are
detected
by
sensors,
upon
which
they
would
immediately
trigger
appropriate
level
HSR.
In
addition,
work
towards
thermotolerance
complemented
second
type
response,
here
called
homeostasis
(CHR).
Upon
mild
extreme
changes,
CHR
triggered
plant
thermosensors,
responsible
for
monitoring
information.
sensors
thermosensors
distinct
types
molecules,
each
with
unique
modes
activation
functions.
While
many
recent
reviews
provide
comprehensive
overview
there
remains
notable
gap
review
literature
regarding
an
in‐depth
analysis
sensors.
attempt
summarise
our
current
knowledge
involved
triggering
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Март 25, 2025
Global
climate
change,
characterized
by
increased
frequency
and
intensity
of
extreme
temperature
events,
poses
significant
challenges
to
plant
survival
crop
productivity.
While
considerable
research
has
elucidated
responses
stress,
the
molecular
mechanisms,
particularly
those
involved
in
sensing,
remain
incompletely
understood.
Thermosensors
plants
play
a
crucial
role
translating
signals
into
cellular
responses,
initiating
downstream
signaling
cascades
that
govern
adaptive
processes.
This
review
highlights
recent
advances
identification
classification
thermosensors,
exploring
their
physiological
roles
biochemical
mechanisms
which
they
sense
changes.
We
also
address
thermosensor
discovery
discuss
emerging
strategies
uncover
novel
thermosensory
with
implications
for
improving
resilience
stress
face
rapidly
changing
climate.
RNA Biology,
Год журнала:
2024,
Номер
21(1), С. 1 - 6
Опубликована: Июль 17, 2024
Understanding
how
cells
sense
temperature
is
a
fundamental
question
in
biology
and
pivotal
for
the
evolution
of
life.
In
numerous
organisms,
not
only
sensed
but
also
generated
due
to
cellular
processes.
Consequently,
mechanisms
governing
sensation
various
organisms
have
been
experimentally
elucidated.
Extending
upon
others'
proposals
demonstration
protein-
nucleic
acid-based
thermosensors,
utilizing
colonial
India
'punkah-wallahs'
analogy,
I
present
my
rationale
necessity
sensing
every
organelle
cell.
Finally,
propose
temperature-sensing
riboceptors
(ribonucleic
acid
receptors)
integrate
all
RNA
molecules
(mRNA,
non-coding
RNA,
so
forth)
capable
triggering
signaling
event,
which
call
as
thermocrine
signaling.
This
approach
could
enable
identification
cell
almost
organism,
other
classes
ligands,
including
gaseous
solutes,
water.
Life,
Год журнала:
2024,
Номер
14(12), С. 1591 - 1591
Опубликована: Дек. 2, 2024
Heat
shock
transcription
factors
(HSFs)
are
crucial
components
in
heat
stress
response.
However,
the
contribution
of
HSFs
governing
inherent
thermotolerance
Rhodomyrtus
tomentosa
has
barely
been
investigated.
We
here
compared
roles
RtHSFA9a,
RtHSFA9b,
and
RtHSFA9c
tolerance.
These
three
genes
results
gene
duplication
events,
but
there
exist
vast
variations
their
amino
acid
sequences.
They
all
localized
to
nucleus.
Arabidopsis
thaliana
plants
with
overexpressed
RtHSFA9a
outperformed
wild-type
plants,
while
over-accumulation
RtHSFA9b
had
little
impact
on
plant
thermotolerance.
By
transiently
overexpressing
R.
seedlings,
mRNA
abundance
response
genes,
including
RtHSFA2a,
RtHSFA2b,
RtHSP17.4,
RtHSP21.8,
RtHSP26.5,
RtHSP70,
were
upregulated.
Transactivation
assays
confirmed
that
regulatory
divergences
among
these
viz.,
highest
activity
regulating
RtHSP70;
can
transcriptionally
activate
makes
limited
contributions
accumulation
RtHSP70.
Our
indicate
RtHSFA9
make
thermal
adaption
by
positively
RtHSP
which
provides
novel
insights
into
subfamily.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Март 16, 2023
Abstract
The
evening
complex
(EC)
is
a
tripartite
DNA
repressor
and
core
component
of
the
circadian
clock
that
provides
mechanism
for
temperature-responsive
growth
development
many
plants.
ELF3,
EC,
disordered
scaffolding
protein
blocks
transcription
genes
at
low
temperature.
At
increased
temperature
EC
binding
disrupted
ELF3
sequestered
in
reversible
nuclear
condensate,
allowing
to
proceed.
condensation
driven
by
complexity
prion-like
domain
(PrD),
sensitivity
response
modulated
length
variable
polyQ
tract,
with
longer
tract
corresponding
enhanced
condensate
formation
hypocotyl
Here,
series
computational
studies
evidence
tracts
promote
temperature-sensitive
helices
flanking
residues
potential
impacts
stability
under
increasing
REST2
simulations
uncover
heat-induced
population
condensation-prone
conformations
results
from
exposure
‘sticky’
aromatic
breaking
long-range
contacts.
Coarse-grained
Martini
reveal
both
sequence
context
modulate
dependence
cluster
formation.
Understanding
molecular
underlying
ELF3-PrD
plants
has
implications
technologies
including
modular
temperature-response
elements
heat-responsive
design
agricultural
advances
enable
optimization
crop
yields
allow
thrive
increasingly
inhospitable
environments.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 10, 2024
Abstract
The
evening
complex
(EC)
is
a
tripartite
DNA
repressor
and
core
component
of
the
circadian
clock
that
provides
mechanism
for
temperature-responsive
growth
development
many
plants.
ELF3,
EC,
disordered
scaffolding
protein
blocks
transcription
genes
at
low
temperature.
At
increased
temperature
EC
binding
disrupted
ELF3
sequestered
in
reversible
nuclear
condensate,
allowing
to
proceed.
condensation
driven
by
complexity
prion-like
domain
(PrD),
sensitivity
response
modulated
length
variable
polyQ
tract,
with
longer
tract
corresponding
enhanced
condensate
formation
hypocotyl
Here,
series
computational
studies
evidence
tracts
promote
temperature-sensitive
helices
flanking
residues
potential
impacts
stability
under
increasing
REST2
simulations
uncover
heat-induced
population
condensation-prone
conformations
results
from
exposure
‘sticky’
aromatic
breaking
long-range
contacts.
Coarse-grained
Martini
reveal
both
sequence
context
modulate
dependence
cluster
formation.
Understanding
molecular
underlying
ELF3-PrD
plants
has
implications
technologies
including
modular
temperature-response
elements
heat-responsive
design
agricultural
advances
enable
optimization
crop
yields
allow
thrive
increasingly
inhospitable
environments.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 15, 2024
AbstractBackground
Leucine-rich
repeat
(LRR)
extensins
(LRXs),
cell
wall-localized
chimeric
extensin
proteins,
are
essential
for
the
development
of
plants
and
in
their
stress
resistance.
Despite
significance,
an
extensive
genome-wide
analysis
LRX
gene
family
grapevine
(Vitis
vinifera
L.)
is
lacking.
Results
We
here
detected
14
grapevine
LRX
genes
classified
them
into
four
groups
through
phylogenetic
analysis.
Their
physiological
biochemical
properties
gene/protein
structures
were
also
analyzed.
According
to
synteny
analysis,
expansion
has
been
appreciably
affected
by
tandem
segmental
duplications.
On
investigating
tissue-specific
expression
profiles
cis-regulatory
elements,
VvLRXs
were
found
be
comprehensive
regulators
growth
response
environmental
stresses.
Salt
treatments
induced
several
VvLRXs,
VvLRX7was
most
significantly
upregulated.
Furthermore,
VvLRX7expression
was
positively
correlated
with
salt
tolerance
grape
rootstocks.
VvLRX7
overexpression
Arabidopsismarkedly
enhanced
its
tolerance.
Conclusion
This
study
provided
a
general
understanding
characteristics
evolution
grapevine.
And
it
demonstrated
that
may
key
regulator
plant
response.This
provides
basis
future
studies
function
LRXs
improvement