Research Progress in the Regulation of the ABA Signaling Pathway by E3 Ubiquitin Ligases in Plants
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(13), С. 7120 - 7120
Опубликована: Июнь 28, 2024
E3
ubiquitin
ligases
(UBLs),
as
enzymes
capable
of
specifically
recognizing
target
proteins
in
the
process
protein
ubiquitination,
play
crucial
roles
regulating
responses
to
abiotic
stresses
such
drought,
salt,
and
temperature.
Abscisic
acid
(ABA),
a
plant
endogenous
hormone,
is
essential
growth,
development,
disease
resistance,
defense
against
stresses,
acts
through
complex
ABA
signaling
pathway.
Hormone
transduction
relies
on
regulation,
important
parts
Therefore,
this
paper
reviews
ubiquitin–proteasome-mediated
degradation
pathway,
ABA-related
pathways,
regulation
ABA-signaling-pathway-related
genes
by
ligases,
aiming
provide
references
for
further
exploration
relevant
research
how
regulate
Язык: Английский
Synergistic impact of MdERF2 and MdPUB17 on the biosynthesis of wax in apple epidermis
Horticultural Plant Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Exploring ABI5 regulation: Post‐translational control and cofactor interactions in ABA signaling
The Plant Journal,
Год журнала:
2025,
Номер
121(3)
Опубликована: Фев. 1, 2025
SUMMARY
Abscisic
acid
insensitive
5
(ABI5)
is
a
pivotal
transcription
factor
in
abscisic
(ABA)
signaling,
playing
an
essential
role
plant
growth
and
responses
to
abiotic
stress.
This
key
regulator
subject
multifaceted
regulation,
especially
on
post‐translational
mechanisms.
Recent
research
has
shed
light
the
regulation
of
ABI5,
encompassing
both
modifications
(PTMs)
modulation
its
transcriptional
activity.
In
this
review,
we
provide
comprehensive
overview
current
knowledge
surrounding
along
with
influence
various
cofactors
activity
protein
stability.
The
potential
biological
roles
PTMs
ABI5
context
ABA
signaling
stress
are
also
explored.
As
one
most
extensively
studied
proteins
environmental
responses,
sophisticated
precise
understanding
regulatory
mechanisms
that
govern
not
only
beneficial
for
application
genetic
engineering
but
helpful
our
exploration
fundamental
principles
regulation.
Язык: Английский
The E3 ubiquitin ligase BRG3 and the protein kinase MPK7 antagonistically regulate LBD36 turnover, a key node for integrating nitrate and gibberellin signaling in apple
New Phytologist,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 14, 2025
Summary
Nitrate
is
the
main
source
of
nitrogen
in
plants.
stimulation
causes
changes
plant
secondary
metabolites,
including
anthocyanins.
However,
molecular
mechanism
underlying
how
nitrate
regulates
anthocyanin
biosynthesis
remains
unclear.
In
this
study,
we
identified
a
response
factor
MdLBD36
apple.
This
positively
regulated
deficiency‐induced
by
promoting
transcriptional
activity
MdABI5,
an
important
regulator
anthocyanins,
and
directly
activated
MdABI5
expression.
The
E3
ubiquitin
ligase
MdBRG3
promoted
ubiquitinated
degradation
to
reduce
under
nitrate‐sufficient
conditions.
deficiency‐activated
MdMPK7
maintained
stimulating
effect
on
counteracting
MdBRG3‐mediated
MdLBD36.
coordinated
gibberellin
(GA)
signaling
regulate
biosynthesis.
GA
repressor
MdRGL2a
contributed
MdLBD36‐promoted
enhancing
MdLBD36–MdABI5
interaction
increasing
activation
.
summary,
our
results
elucidate
framework
regulation
ubiquitination
phosphorylation.
study
revealed
cross
talk
between
provides
references
for
in‐depth
exploration
signal
transduction
pathway
its
interactions
with
hormones.
Язык: Английский