Trends in Agriculture & Life Sciences,
Journal Year:
2023,
Volume and Issue:
61, P. 31 - 39
Published: Dec. 1, 2023
Light
and
temperature
are
critical
environmental
signals
for
the
regulation
of
plant
growth
development.
Thus,
plants
have
to
properly
sense
respond
changing
light
conditions
in
surrounding
environments.
In
particular,
as
global
warming
intensifies,
adaptation
changes
ambient
temperatures
is
considered
a
crucial
issue
that
has
direct
impacts
on
survival
reproduction.
The
suite
morphological
architectural
induced
by
elevated
collectively
referred
thermomorphogenesis,
which
representative
phenotypes
include
elongated
hypocotyls
petioles
seedlings,
stem
elongation,
hyponastic
leaf
growth,
decrease
thickness,
early
flowering.
Plant
red
far-red
light-sensing
phytochrome
B
(phyB)
acts
sensor
phytochrome-interacting
factor
(PIF)-auxin
signaling
module
known
play
roles
responses
high
or
thermomorphogenesis.
Especially,
PIF4
well-known
be
key
transcription
regulating
plants.
general,
phyB
negative
regulator
at
optimum
but
inactivated
higher
temperatures,
increases
protein
stability
PIF4.
Consequently,
accumulated
induces
thermomorphogenic
inducing
expression
genes
involved
auxin
biosynthesis
responsiveness.
regulated
not
only
also
component
circadian
clock,
evening
complex
(EC),
constitutive
photomorphogenic
1
(COP1),
hypocotyl
5
(HY5).
Recently,
PIF7
been
reported
another
essential
important
shade
avoidance
plants,
it
under
combined
with
conditions.
these
conditions,
dephosphorylated
(i.e.,
active
form)
genes.
this
review,
we
intend
summarize
function
PIFs
temperatures.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(4), P. 2198 - 2198
Published: Feb. 12, 2024
Plants
possess
the
remarkable
ability
to
sense
detrimental
environmental
stimuli
and
launch
sophisticated
signal
cascades
that
culminate
in
tailored
responses
facilitate
their
survival,
transcription
factors
(TFs)
are
closely
involved
these
processes.
Phytochrome
interacting
(PIFs)
among
TFs
belong
basic
helix–loop–helix
family.
PIFs
initially
identified
have
now
been
well
established
as
core
regulators
of
phytochrome-associated
pathways
response
light
plants.
However,
a
growing
body
evidence
has
unraveled
also
play
crucial
role
adapting
plants
various
biological
pressures.
In
this
review,
we
summarize
highlight
function
hub
integrates
multiple
cues,
including
abiotic
(i.e.,
drought,
temperature,
salinity)
biotic
stresses
optimize
plant
growth
development.
not
only
reprogram
expression
related
genes,
but
interact
with
adapt
harsh
environments.
This
review
will
contribute
understanding
multifaceted
functions
different
stress
conditions,
which
shed
on
efforts
further
dissect
novel
PIFs,
especially
adaption
environments
for
better
survival
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: March 12, 2024
Plant
phytochromes,
renowned
phosphoproteins,
are
red
and
far-red
photoreceptors
that
regulate
growth
development
in
response
to
light
signals.
Studies
on
phytochrome
phosphorylation
postulate
the
N-terminal
extension
(NTE)
hinge
region
between
N-
C-domains
sites
of
phosphorylation.
Further
studies
have
demonstrated
is
important
for
regulating
protein-protein
interactions
with
downstream
signaling
partners,
NTE
partakes
controlling
activity
signal
attenuation
nuclear
import.
Moreover,
phytochrome-associated
protein
phosphatases
been
reported,
indicating
a
role
reversible
regulation.
Furthermore,
phytochromes
exhibit
serine/threonine
kinase
autophosphorylation,
mutants
impaired
or
increased
corroborate
they
functional
kinases
plants.
In
addition
negatively
PHYTOCHROME-INTERACTING
FACTORs
(PIFs)
light-dependent
manner
by
phosphorylating
them
as
substrates.
Very
recently,
few
also
reported
phosphorylate
suggesting
new
views
regulation
via
Using
these
recent
advances,
this
review
details
through
highlights
their
significance
plant
signaling.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(9), P. 8139 - 8139
Published: May 2, 2023
Phytochrome
(phy)
system
in
plants
comprising
a
small
number
of
phytochromes
with
phyA
and
phyB
as
major
ones
is
responsible
for
acquiring
light
information
the
red—far-red
region
solar
spectrum.
It
provides
optimal
strategy
plant
development
under
changing
conditions
throughout
all
its
life
cycle
beginning
from
seed
germination
seedling
establishment
to
fruiting
senescence.
The
was
shown
participate
regulation
this
which
especially
evident
at
early
stages.
mediates
three
modes
reactions—the
very
low
fluence
responses
(VLFR
LFR)
high
irradiance
(HIR).
sole
receptor
far-red
spectral
plant’s
survival
dense
canopy
where
enriched
component.
Its
appearance
believed
be
one
main
factors
plants′
successful
evolution.
So
far,
it
widely
accepted
that
molecular
species
complex
functional
manifestations.
In
review,
evidence
existence
two
distinct
types—major,
light-labile
soluble
phyA′
minor,
relatively
light-stable
amphiphilic
phyA″—is
presented
what
may
account
diverse
action.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(11), P. 5733 - 5733
Published: May 24, 2024
The
involvement
of
the
microRNA
miR165a
in
light-dependent
mechanisms
regulation
target
genes
maize
(Zea
mays)
has
been
studied.
light-induced
change
content
free
was
associated
with
its
binding
by
AGO10
protein
and
not
a
rate
synthesis
from
precursor.
use
knockout
Arabidopsis
plants
for
phytochrome
A
B
demonstrated
that
presence
an
active
form
causes
increase
level
RNA-induced
silencing
complex,
which
triggers
degradation
mRNAs.
two
fractions
vesicles
leaves,
P40
P100
bind
miR165a,
were
isolated
ultracentrifugation.
fraction
consisted
larger
size
>0.170
µm,
while
<0.147
µm.
Based
on
quantitative
PCR
data,
predominant
location
surface
extracellular
both
established.
formation
upon
irradiation
red
light
led
to
redistribution
resulting
proportion
inside
decrease
vesicles.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(12), P. 10211 - 10211
Published: June 16, 2023
The
expression
and
methylation
of
promoters
the
genes
encoding
succinate
dehydrogenase,
fumarase,
NAD-malate
dehydrogenase
in
maize
(Zea
mays
L.)
leaves
depending
on
light
regime
were
studied.
catalytic
subunits
showed
suppression
upon
irradiation
by
red
light,
which
was
abolished
far-red
light.
This
accompanied
an
increase
promoter
gene
Sdh1-2
flavoprotein
subunit
A,
while
low
for
Sdh2-3
iron-sulfur
B
under
all
conditions.
Sdh3-1
Sdh4
anchoring
C
D
not
affected
Fum1
mitochondrial
form
fumarase
regulated
via
its
promoter.
Only
one
(mMdh1)
second
(mMdh2)
did
respond
to
irradiation,
neither
controlled
methylation.
It
is
concluded
that
dicarboxylic
branch
tricarboxylic
acid
cycle
phytochrome
mechanism,
involved
with
fumarase.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 26, 2024
Plants
lack
behavioral
responses
to
avoid
dramatic
environmental
changes
associated
with
the
annual
seasons.
For
survival,
they
have
evolved
complex
sensory
systems
sense
fluctuations
in
light
and
optimize
their
architecture
response
these
cues.
Phytochrome
A
(phyA)
was
initially
identified
as
a
photoreceptor
that
senses
far-red
signals.
It
then
playing
central
role
promoting
hypocotyl
growth,
fiber
development,
flowering
time
variety
of
plants
including
Arabidopsis,
rice,
soybean
cotton.
Under
dark
conditions,
phyA
is
present
cytoplasm
physiologically
inactive
(Pr)
form.
Far-red
signals
induce
transformation
Pr
into
active
(Pfr)
form,
after
which
Pfr-phyA
recognized
by
FAR-RED
ELONGATED
HYPOCOTYL
1
(FHY1)
FHY1-LIKE
(FHL)
translocated
nucleus,
initiating
series
signaling
cascades.
The
current
review
comprehensively
summarizes
recent
advances
understanding
function
plants,
phyA-mediated
shade
avoidance
time.
Remaining
issues
possible
directions
for
future
research
on
are
also
discussed.
