Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: June 27, 2024
Ubiquitination
is
a
highly
conserved
and
dynamic
post-translational
modification
in
which
protein
substrates
are
modified
by
ubiquitin
to
influence
their
activity,
localization,
or
stability.
Deubiquitination
enzymes
(DUBs)
counter
signaling
removing
from
the
substrates.
Ubiquitin-specific
proteases
(UBPs),
largest
subfamily
of
DUBs,
plants,
serving
diverse
functions
across
various
cellular
processes,
although
members
within
same
group
often
exhibit
functional
redundancy.
Here,
we
briefly
review
recent
advances
understanding
biological
roles
UBPs,
particularly
molecular
mechanism
UBPs
regulate
plant
development
growth,
morphogenesis,
stress
response,
sheds
light
on
mechanistic
deubiquitination
plants.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(7), P. 3053 - 3053
Published: March 26, 2025
During
drought,
a
major
abiotic
stressor
for
European
forests,
excessive
reactive
oxygen
species
(ROS)
are
produced,
causing
oxidative
damage
that
affects
structural
and
metabolic
tree
functions.
This
research
examines
the
effects
of
phosphorus
(P)
fertilization,
provenance
on
photosynthetic
pigments,
malondialdehyde
(MDA)
concentrations,
antioxidant
enzyme
activities
in
common
beech
(Fagus
sylvatica
L.)
sessile
oak
(Quercus
petraea
(Matt.)
Liebl.)
saplings
from
two
provenances.
In
garden
experiment,
four
treatments
were
applied:
regular
watering
with
(+PW)
without
P
fertilization
(-PW),
drought
(+PD)
(-PD)
fertilization.
Results
showed
increased
both
MDA
concentrations
activity,
particularly
superoxide
dismutase
(SOD),
catalase
(CAT),
peroxidase
(POD),
ascorbate
(APX),
which
responsible
ROS
scavenging.
Additionally,
chlorophyll
+
b
lower
drought-exposed
plants.
Phosphorus
minimally
affected
levels
but
enhanced
responses,
APX
CAT
during
drought.
Provenance
differences
notable,
drier
showing
better
adaptation,
reflected
higher
activities.
study
underscores
importance
defenses
coping
stress,
shaping
species'
adaptive
capacity.
Life,
Journal Year:
2025,
Volume and Issue:
15(5), P. 697 - 697
Published: April 25, 2025
Long
non-coding
RNAs
(lncRNAs)
have
been
defined
as
transcripts
exceeding
200
nucleotides,
which
play
essential
roles
during
transcriptional
and
post-transcriptional
regulation
in
multiple
biological
processes.
Understanding
R.
delavayi
lncRNAs
is
of
great
significance
it
profoundly
influenced
by
heat
stress.
In
this
research,
a
total
1145
differentially
expressed
(DE-lncRNAs)
9447
genes
(DEGs)
(log2|FC|
>
1,
p
<
0.05)
were
characterized
between
heat-stress-treated
groups
control
groups.
Further
analysis
showed
that
229
DE-lncRNAs
(144
upregulated
85
downregulated)
commonly
distributed
two
comparisons
(CK_vs._H3
CK_vs._H6).
We
further
investigated
the
cis-
trans-acting
DE-lncRNAs,
found
142
corresponded
to
1565
cis-acting
DEGs,
143
3417
DEGs.
KEGG
enrichment
these
target
revealed
DEGs
DE-lncRNA
primarily
enriched
five
twelve
pathways,
respectively.
Co-expression
network
common
pathways
57
co-expression
relationships
28
43
554
26
90
Six
six
their
used
candidate
verify
RNA-seq
data
using
qRT-PCR.
three
(TrxG,
PEPC,
CCR)
out
selected
for
subsequent
research.
This
study
examined
relationship
screened
can
potentially
provide
an
important
theoretical
basis
experimental
genetic
improvement
tolerance
delavayi.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
AbstractBackground
DNA
methylation
plays
a
key
role
in
regulating
plant
growth
and
development,
secondary
metabolism,
environmental
adaptability
is
affected
by
methyltransferase
(C5-MTase)
demethylase
(dMTase).
However,
the
response
of
C5-MTasedMTase
genes
to
abiotic
stress
Isodon
rubescens
remains
largely
unknown.
Results
In
this
study,
eight
IrC5-MTase
five
IrdMTase
were
identified
within
genome
I.
rubescens.
The
IrC5-MTases
phylogenetically
divided
into
four
subfamilies
(CMT,
DRM,
MET
DNMT2),
two
subgroups
(ROS
DML)
on
basis
sequence
similarity,
conserved
motif
domain
architecture.
IrC5-MTase
IrdMTase
unevenly
distributed
5
4
chromosomes,
respectively.
Cis‑acting
element
analysis
revealed
that
enriched
with
multiple
light-,
phytohormone-
stress-responsive
elements.
Importantly,
level
was
influenced
different
5-azacytidine
(5-azaC)
concentrations
or
light
intensities
but
unaffected
NaCl
concentrations.
Accordingly,
expression
significantly
upregulated
downregulated
5-azaC
amounts
stress,
however,
no
conspicuous
differences
observed
under
degrees
stress.
Expression
correlation
IrCMT2a,
IrMET1,
IrDML4
most
closely
related
Conclusions
Our
results
reveal
characteristics
differential
5-azaC,
stresses
will
facilitate
future
epigenetic
studies
