Plant and Cell Physiology,
Journal Year:
2014,
Volume and Issue:
56(3), P. 401 - 413
Published: Dec. 15, 2014
Plants
depend
on
the
surrounding
light
environment
to
direct
their
growth.
Blue
(300–500
nm)
in
particular
acts
promote
a
wide
variety
of
photomorphogenic
responses
including
seedling
establishment,
phototropism
and
circadian
clock
regulation.
Several
different
classes
flavin-based
photoreceptors
have
been
identified
that
mediate
effects
blue
dicotyledonous
genetic
model
Arabidopsis
thaliana
.
These
include
cryptochromes,
phototropins
members
Zeitlupe
family.
In
this
review,
we
discuss
recent
advances,
which
contribute
our
understanding
how
these
photosensory
systems
are
activated
by
they
initiate
signaling
regulate
diverse
aspects
plant
development.
Annual Review of Plant Biology,
Journal Year:
2014,
Volume and Issue:
66(1), P. 441 - 464
Published: Dec. 23, 2014
Many
plants
use
information
about
changing
day
length
(photoperiod)
to
align
their
flowering
time
with
seasonal
changes
increase
reproductive
success.
A
mechanism
for
photoperiodic
measurement
is
present
in
leaves,
and
the
day-length-specific
induction
of
FLOWERING
LOCUS
T
(FT)
gene,
which
encodes
florigen,
a
major
final
output
pathway.
Here,
we
summarize
current
understanding
molecular
mechanisms
by
perceived
order
trigger
FT
expression
Arabidopsis
as
well
primary
cereals
wheat,
barley,
rice.
In
these
plants,
differences
photoperiod
are
measured
interactions
between
circadian-clock-regulated
components,
such
CONSTANS
(CO),
light
signaling.
The
happen
under
certain
day-length
conditions,
previously
predicted
external
coincidence
model.
governed
multilayered
regulation
numerous
conserved
unique
regulatory
highlighting
breadth
across
plant
species.
Science,
Journal Year:
2012,
Volume and Issue:
336(6084), P. 1045 - 1049
Published: May 24, 2012
Plants
use
day-length
information
to
coordinate
flowering
time
with
the
appropriate
season
maximize
reproduction.
In
Arabidopsis,
long
day-specific
expression
of
CONSTANS
(CO)
protein
is
crucial
for
induction.
Although
light
signaling
regulates
CO
stability,
mechanism
by
which
stabilized
in
long-day
afternoon
has
remained
elusive.
Here,
we
demonstrate
that
FLAVIN-BINDING,
KELCH
REPEAT,
F-BOX
1
(FKF1)
stabilizes
days.
FKF1
interacts
through
its
LOV
domain,
and
blue
enhances
this
interaction.
addition,
simultaneously
removes
CYCLING
DOF
FACTOR
(CDF1),
represses
FLOWERING
LOCUS
T
(FT)
transcription.
Together
transcriptional
regulation,
controls
robust
FT
mRNA
induction
multiple
feedforward
mechanisms
accurately
control
timing.
Annual Review of Plant Biology,
Journal Year:
2016,
Volume and Issue:
67(1), P. 513 - 537
Published: Feb. 23, 2016
Light
is
crucial
for
plant
life,
and
perception
of
the
light
environment
dictates
growth,
morphology,
developmental
changes.
Such
adjustments
in
growth
development
response
to
conditions
are
often
established
through
changes
hormone
levels
signaling.
This
review
discusses
examples
light-regulated
processes
throughout
a
plant's
life
cycle
which
it
known
how
signals
lead
hormonal
regulation.
acts
as
an
important
switch
germination,
photomorphogenesis,
transition
flowering,
cues
essential
ensure
capture
architectural
during
phototropism
shade
avoidance
response.
In
describing
well-established
links
between
changes,
we
aim
give
insight
into
mechanisms
that
enable
plants
thrive
variable
environments.
Proceedings of the National Academy of Sciences,
Journal Year:
2015,
Volume and Issue:
113(1), P. 224 - 229
Published: Dec. 22, 2015
Significance
Blue
light
and
temperature
are
two
key
environmental
signals
that
profoundly
affect
plant
growth
development
responses,
but
how
these
abiotic
factors
integrate
remains
largely
unknown.
This
study
demonstrates
a
mechanism
of
multiple
photoreceptors
coactions.
Arabidopsis
blue
photoreceptor
cryptochrome
1
(CRY1)
represses
high
temperature-induced
hypocotyl
elongation
through
PHYTOCHROME-INTERACTING
FACTOR
4
(PIF4).
CRY1
physically
interacts
with
PIF4
in
light-dependent
manner
to
repress
the
transcription
activity
PIF4.
Because
also
plays
role
ambient
temperature,
appears
be
molecular
basis
cross-talk
among
red
signal
pathways.
