Journal of Experimental Botany,
Год журнала:
2023,
Номер
74(22), С. 6889 - 6892
Опубликована: Дек. 1, 2023
Auxin
research:
creating
tools
for
a
greener
future
Amid
the
delays
due
to
global
pandemic,
in
early
October
2022,
auxin
community
gathered
idyllic
peninsula
of
Cavtat,
Croatia.More
than
170
scientists
from
across
world
converged
discuss
latest
advancements
fundamental
and
applied
research
field.The
topics,
signalling
transport
plant
architecture
response
environment,
show
how
must
bridge
molecular
realm
macroscopic
developmental
responses.This
is
mirrored
this
collection
reviews,
contributed
by
participants
2022
meeting.
Plants,
Год журнала:
2025,
Номер
14(2), С. 208 - 208
Опубликована: Янв. 13, 2025
Plants
must
effectively
respond
to
various
environmental
stimuli
achieve
optimal
growth.
This
is
especially
relevant
in
the
context
of
climate
change,
where
drought
emerges
as
a
major
factor
globally
impacting
crops
and
limiting
overall
yield
potential.
Throughout
evolution,
plants
have
developed
adaptative
strategies
for
stimuli,
with
plant
hormones
reactive
oxygen
species
(ROS)
playing
essential
roles
their
development.
Hormonal
signaling
maintenance
ROS
homeostasis
are
interconnected,
indispensable
growth,
development,
stress
responses
orchestrating
diverse
molecular
during
adversities.
Nine
principal
classes
phytohormones
been
categorized:
auxins,
brassinosteroids,
cytokinins,
gibberellins
primarily
oversee
developmental
growth
regulation,
while
abscisic
acid,
ethylene,
jasmonic
salicylic
strigolactones
main
orchestrators
responses.
Coordination
between
transcriptional
regulation
crucial
effective
responses,
stress.
Understanding
interplay
pivotal
elucidating
mechanisms
involved
review
provides
an
overview
intricate
relationship
ROS,
redox
metabolism,
nine
different
plants,
shedding
light
on
potential
enhancing
tolerance
sustainable
crop
production.
Plants,
Год журнала:
2024,
Номер
13(17), С. 2523 - 2523
Опубликована: Сен. 8, 2024
Auxin
is
a
key
hormone
that
regulates
plant
growth
and
development,
including
shape
sensitivity
to
environmental
changes.
biosynthesized
metabolized
via
many
parallel
pathways,
it
sensed
transduced
by
both
normal
atypical
pathways.
The
production,
catabolism,
signal
transduction
pathways
of
auxin
primarily
govern
its
role
in
the
response
stress.
Recent
research
has
discovered
not
only
responds
intrinsic
developmental
signals,
but
also
mediates
various
signals
(e.g.,
drought,
heavy
metals,
temperature
stresses)
interacts
with
hormones
such
as
cytokinin,
abscisic
acid,
gibberellin,
ethylene,
all
which
are
involved
regulation
well
maintenance
homeostatic
equilibrium
cells.
In
this
review,
we
discuss
latest
on
types,
biosynthesis
metabolism,
polar
transport,
signaling
interactions
other
hormones.
We
summarize
important
plants
under
abiotic
stresses.
These
discussions
provide
new
perspectives
understand
molecular
mechanisms
auxin’s
functions
development.
The Plant Cell,
Год журнала:
2024,
Номер
36(9), С. 3025 - 3035
Опубликована: Апрель 23, 2024
The
signaling
molecule
auxin
sits
at
the
nexus
of
plant
biology
where
it
coordinates
essentially
all
growth
and
developmental
processes.
Auxin
molecules
are
transported
throughout
tissues
capable
evoking
highly
specific
physiological
responses
by
inducing
various
molecular
pathways.
In
many
these
pathways,
proteolysis
plays
a
crucial
role
for
correct
responses.
This
review
provides
chronology
discovery
characterization
receptor,
which
is
fascinating
example
separate
research
trajectories
ultimately
converging
on
core
hub
that
relies
degradation
family
transcriptional
inhibitor
proteins-the
Aux/IAAs.
Beyond
describing
"classical"
proteolysis-driven
response
system,
we
explore
more
recent
examples
interconnection
proteolytic
systems,
target
range
other
proteins,
response.
By
highlighting
emerging
concepts,
provide
potential
future
directions
to
further
investigate
protein
within
framework
The Plant Journal,
Год журнала:
2025,
Номер
121(6)
Опубликована: Март 1, 2025
The
corolla
of
flowering
plants
provides
pivotal
functions
for
the
reproduction
angiosperms,
directly
impacting
fitness
individuals.
Different
petal
shapes
and
patterns
contribute
to
these
and,
thus,
participate
in
production
morphological
diversity
emergence
new
species.
During
morphogenesis,
coordination
cell
fate
specification,
division,
expansion
is
coherent
robust
across
blade
set
according
proximo-distal,
medio-lateral,
abaxial-adaxial
axes.
However,
mechanisms
specifying
polarity
controlling
behavior
a
position-dependent
manner
as
petals
develop
remain
poorly
understood.
In
this
review,
we
draw
parallels
with
other
evolutionarily
related
plant
lateral
organs
such
leaves
argue
that
hormones
likely
play
central,
yet
largely
unexplored,
roles
coordination.
By
examining
development
Arabidopsis
frame
what
are
knowns
unknowns
contributions
morphogenesis
patterning.
Finally,
using
emerging
model
organisms
can
provide
invaluable
information
tackle
questions
have
long
remained
unanswered,
broadening
our
understanding
by
allowing
us
investigate
tinkering
phytohormone
signaling
through
an
evolutionary
lens.
Plants,
Год журнала:
2023,
Номер
12(24), С. 4111 - 4111
Опубликована: Дек. 8, 2023
The
precise
control
of
free
auxin
(indole-3-acetic
acid,
IAA)
gradient,
which
is
orchestrated
by
biosynthesis,
conjugation,
degradation,
hydrolyzation,
and
transport,
critical
for
all
aspects
plant
growth
development.
Of
these,
the
GRETCHEN
HAGEN
3
(GH3)
acyl
acid
amido
synthetase
family,
pivotal
in
conjugating
IAA
with
amino
acids,
has
garnered
significant
interest.
Recent
advances
understanding
GH3-dependent
conjugation
have
positioned
GH3
functional
elucidation
as
a
hot
topic
research.
This
review
aims
to
consolidate
discuss
recent
findings
on
(i)
enzymatic
mechanisms
driving
activity,
(ii)
influence
chemical
inhibitor
function,
(iii)
transcriptional
regulation
its
impact
development
stress
response.
Additionally,
we
explore
distinct
biological
functions
attributed
IAA-amino
conjugates.
The
crucial
role
of
TIR1-receptor-mediated
gene
transcription
regulation
in
auxin
signaling
has
long
been
established.
In
recent
years,
the
significant
protein
phosphorylation
modifications
signal
transduction
gradually
emerged.
To
further
elucidate
signaling,
a
phosphoproteomic
analysis
conjunction
with
treatment
identified
an
activated
Mitogen-activated
Protein
Kinase
(MAPKKK)
VH1-INTERACTING
(VIK),
which
plays
important
auxin-induced
lateral
root
(LR)
development.
vik
mutant,
LR
development
is
significantly
attenuated.
Further
investigations
show
that
VIK
interacts
separately
positive
regulator
development,
LATERAL
ORGAN
BOUNDARIES-DOMAIN18
(LBD18),
and
negative
emergence,
Ethylene
Responsive
Factor
13
(ERF13).
directly
phosphorylates
stabilizes
factor
LBD18
formation.
meantime,
ERF13
at
Ser168
Ser172
sites,
causing
its
degradation
releasing
repression
by
on
emergence.
summary,
VIK-mediated
regulates
enhancing
stability
inducing
ERF13,
respectively.
Journal of genetics and genomics/Journal of Genetics and Genomics,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
The
phytohormone
auxin
exerts
control
over
remarkable
developmental
processes
in
plants.
It
moves
from
cell
to
cell,
resulting
the
creation
of
both
extracellular
and
intracellular
auxin,
which
are
recognized
by
distinct
receptors.
These
two
signaling
systems
govern
different
responses
while
working
together
regulate
plant
development.
In
this
review,
we
outline
latest
research
advancements
unraveling
these
pathways,
encompassing
perception
transductions.
We
emphasize
interaction
between
contributes
intricate
role
Journal of Integrative Plant Biology,
Год журнала:
2024,
Номер
66(11), С. 2490 - 2504
Опубликована: Авг. 26, 2024
ABSTRACT
Anchorene,
identified
as
an
endogenous
bioactive
carotenoid‐derived
dialdehyde
and
diapocarotenoid,
affects
root
development
by
modulating
auxin
homeostasis.
However,
the
precise
interaction
between
anchorene
auxin,
well
mechanisms
which
modulates
levels,
remain
largely
elusive.
In
this
study,
we
conducted
a
comparative
analysis
of
anchorene's
bioactivities
alongside
observed
that
induces
multifaceted
auxin‐like
effects.
Through
genetic
pharmacological
examinations,
revealed
activities
depend
on
indole‐3‐pyruvate‐dependent
biosynthesis
pathway,
inactivation
pathway
mediated
Group
II
Gretchen
Hagen
3
(GH3)
proteins
mainly
facilitate
conjugation
indole‐3‐acetic
acid
(IAA)
to
amino
acids,
leading
formation
inactivated
storage
forms.
Our
measurements
indicated
treatment
elevates
IAA
levels
while
reducing
quantities
IAA–amino
conjugates
oxIAA.
RNA
sequencing
further
triggers
expression
numerous
auxin‐responsive
genes
in
manner
reliant
GH3s.
Additionally,
our
vitro
enzymatic
assays
biolayer
interferometry
(BLI)
assay
demonstrated
robust
suppression
GH3.17‐mediated
with
glutamate.
Collectively,
findings
highlight
significant
role
metabolite
homeostasis,
primarily
through
repression
GH3‐mediated
pathways,
offering
novel
insights
into
regulatory
plant
apocarotenoids.
Journal of Experimental Botany,
Год журнала:
2024,
Номер
75(18), С. 5471 - 5476
Опубликована: Май 23, 2024
Abstract
The
TIR1/AFB–Aux/IAA–ARF
canonical
auxin
signaling
pathway
is
widely
accepted
to
(de)active
transcriptional
regulation,
thus
controlling
auxin-associated
developmental
processes.
However,
the
theme
of
a
rapid
response
has
emerged
since
2018
Auxins
and
Cytokinin
in
Plant
Development
conference.
To
date,
few
components
have
been
identified
mediate
both
slow
responses,
which
unveils
complexity
signaling.
