International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(22), P. 11912 - 11912
Published: Nov. 6, 2024
The
regulation
of
gene
expression
is
crucial
for
maintaining
cellular
activities
and
responding
to
environmental
stimuli.
RNA
molecules
are
central
this
regulatory
network,
influencing
transcription,
post-transcriptional
processing,
translation.
Recent
advancements
have
expanded
our
understanding
modifications
beyond
the
nucleus,
highlighting
their
impact
on
chloroplast
function
photosynthesis
efficiency.
Chloroplasts,
essential
photosynthesis,
rely
precise
genetic
adapt
changes.
modifications,
such
as
methylation
pseudouridylation,
critical
in
regulating
stability,
This
review
summarizes
current
knowledge
how
affect
photosynthesis.
It
discusses
roles
specific
occurring
RNA,
including
N6-methyladenosine
(m
Nature Plants,
Journal Year:
2023,
Volume and Issue:
9(12), P. 2042 - 2058
Published: Dec. 8, 2023
Abstract
Light
regulates
chlorophyll
homeostasis
and
photosynthesis
via
various
molecular
mechanisms
in
plants.
The
light
regulation
of
transcription
protein
stability
nuclear-encoded
chloroplast
proteins
have
been
extensively
studied,
but
how
mRNA
metabolism
affects
abundance
remains
poorly
understood.
Here
we
show
that
the
blue
receptor
cryptochrome
2
(CRY2)
METTL16-type
m
6
A
writer
FIONA1
(FIO1)
regulate
response
to
light.
In
contrast
CRY2-mediated
photo-condensation
adenosine
methylase
(MTA),
photoexcited
CRY2
co-condenses
FIO1
only
presence
CRY2-signalling
SUPPRESSOR
PHYTOCHROME
(SPA1).
SPA1
synergistically
or
additively
activate
RNA
methyltransferase
activity
vitro,
whereas
FIO1,
not
MTA,
are
required
for
light-induced
methylation
translation
mRNAs
encoding
multiple
regulators
vivo.
Our
study
demonstrates
liquid–liquid
phase
separation
photoreceptor/writer
complexes
is
commonly
involved
photoresponsive
changes
methylation,
different
CRY/FIO1
CRY/MTA
explain,
at
least
partially,
writer-specific
functions
plant
photomorphogenesis.
aBIOTECH,
Journal Year:
2024,
Volume and Issue:
5(3), P. 381 - 393
Published: May 13, 2024
Abstract
Plants
absorb
light
energy
for
photosynthesis
via
photosystem
complexes
in
their
chloroplasts.
However,
excess
can
damage
the
photosystems
and
decrease
photosynthetic
output,
thereby
inhibiting
plant
growth
development.
have
developed
a
series
of
acclimation
strategies
that
allow
them
to
withstand
high
light.
In
first
line
defense
against
light,
leaves
chloroplasts
move
away
from
accumulates
compounds
filter
reflect
second
defense,
known
as
photoprotection,
plants
dissipate
through
non-photochemical
quenching,
cyclic
electron
transport,
photorespiration,
scavenging
reactive
oxygen
species.
third
which
occurs
after
photodamage,
initiate
cycle
(mainly
II)
repair.
addition
being
site
photosynthesis,
sense
stress,
especially
transduce
stress
signal
nucleus,
where
it
modulates
expression
genes
involved
response.
this
review,
we
discuss
current
progress
our
understanding
mechanisms
employed
by
at
whole-plant,
cellular,
physiological,
molecular
levels
across
three
lines
defense.
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(5), P. 522 - 522
Published: May 17, 2024
YT521-B
homology
(YTH)
domain-containing
RNA-binding
proteins
(YTPs)
are
important
N6-methyladenosine
(m6A)
readers
that
have
crucial
roles
in
determining
the
destiny
of
m6A-modified
RNAs,
which
most
widespread
RNA
modifications
eukaryotes.
Tomatoes
(Solanum
lycopersicum
L.)
hold
significant
importance
both
dietary
consumption
patterns
and
scientific
inquiries.
While
YTP
gene
family
has
been
characterized
tomatoes,
their
specific
reactions
to
low
temperature
waterlogging
stresses
remain
be
elucidated.
In
our
study,
nine
tomato
SlYTPs
could
divided
into
five
subclasses,
YTHDFa-c
YTHDCa-b.
After
cloning
measuring
expression
levels
under
stress
conditions,
it
was
revealed
SlYTP8
exhibited
increased
sensitivity
low-temperature
treatment,
while
SlYTP9
were
notably
upregulated
leaf
tissues
subjected
conditions.
As
members
YTHDFc
subfamily,
localized
cytoplasm.
Nevertheless,
overexpression
(OE)
plants
manifested
by
a
higher
accumulation
malondialdehyde
(MDA)
hydrogen
peroxide
(H2O2)
weaker
reactive
oxygen
species
scavenging
ability
compared
wild-type
(WT)
tomatoes.
However,
comparison
WT
plants,
leaves
OE
tomatoes
showed
chlorophyll
content
stronger
after
3
days
thereby
increasing
resistance
stress.
Moreover,
order
investigate
possible
molecular
mechanisms
underlying
responses
stresses,
transcription
factors
interacting
protein
networks
associated
with
SlYTP8/9
promoters
also
predicted,
respectively.
These
results
fill
gap
understanding
YTPs
response
providing
theoretical
experimental
basis
for
subsequent
studies
on
mechanisms.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
303, P. 140460 - 140460
Published: Feb. 6, 2025
N6-methyladenosine
(m6A)
is
an
mRNA
modification
considered
essential
in
plants,
and
a
key
player
gene
regulation
at
the
transcriptional
translational
levels.
In
present
study,
we
mapped
Brassica
rapa's
whole
transcriptome
m6A
profile
under
low-temperature
stress
different
cold
tolerant
varieties
to
elucidate
methylation
pattern.
The
distribution
of
modifications
changed
significantly
low
temperature
stress.
More
5'UTR
was
deposited
strong
cold-resistant
responded
positively
resistance
by
regulating
expression
abundance.
increase
abundance
correlated
with
after
ZAT12
might
regulate
its
through
methylation.
MYBC1
be
negative
regulator
cope
hypothetical
protein
involved
starch
sucrose
metabolic
pathways,
that
Low-quality
DNA
binding,
DNA-binding,
transcription
factor
activity,
proline
biosynthetic
processes
leaf
senescence
pathways.
addition,
number
methyltransferases
demethylases
play
crucial
roles
response
These
results
revealed
critical
role
-modified
genes
provide
new
insights
into
study
winter
rapa.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: July 16, 2024
The
epitranscriptomic
mark
N
6-methyladenosine
(m6A)
is
the
most
common
type
of
messenger
RNA
(mRNA)
post-transcriptional
modification
in
eukaryotes.
With
discovery
demethylase
FTO
(FAT
MASS
AND
OBESITY-ASSOCIATED
PROTEIN)
Homo
Sapiens,
this
has
been
proven
to
be
dynamically
reversible.
technological
advances,
research
on
m6A
plants
also
rapidly
developed.
widely
distributed
plants,
which
usually
enriched
near
stop
codons
and
3'-UTRs,
conserved
sequences.
related
proteins
mainly
consist
three
components:
methyltransferases
(writers),
demethylases
(erasers),
reading
(readers).
regulates
growth
development
by
modulating
metabolic
processes
playing
an
important
role
their
responses
environmental
signals.
In
review,
we
briefly
outline
detection
techniques;
comparatively
analyze
distribution
characteristics
plants;
summarize
methyltransferases,
demethylases,
binding
m6A;
elaborate
how
functions
plant
growth,
development,
response
signals;
provide
a
summary
outlook
plants.
Plant and Cell Physiology,
Journal Year:
2023,
Volume and Issue:
65(4), P. 516 - 536
Published: July 27, 2023
The
formation
of
chloroplasts
can
be
traced
back
to
an
ancient
event
in
which
a
eukaryotic
host
cell
containing
mitochondria
ingested
cyanobacterium.
Since
then,
have
retained
many
characteristics
their
bacterial
ancestor,
including
transcription
and
translation
machinery.
In
this
review,
recent
research
on
the
maturation
rRNA
ribosome
assembly
is
explored,
along
with
crucial
role
plant
survival
implications
for
acclimation
changing
environments.
A
comparison
made
between
composition
auxiliary
factors
modern
chloroplasts,
providing
insights
into
evolution
factors.
Although
chloroplast
contains
proteins
conserved
functions
assembly,
newly
evolved
also
emerged
help
plants
acclimate
changes
environment
internal
signals.
Overall,
review
offers
comprehensive
analysis
molecular
mechanisms
underlying
highlights
importance
process
survival,
adaptation.
