Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Фев. 24, 2025
Abstract
Animals
rely
on
nervous
systems
to
cope
with
environmental
variability,
whereas
plants
are
characterized
by
lack
of
system
but
still
have
evolved
systemic
communication
through
signaling
molecules
that
trigger
long-distance
defense
events
when
encountered
challenges.
Here,
our
genetic
screening
the
previously
constructed
hairpin
RNA-based
Arabidopsis
library
identifies
a
glutathione
(GSH)-deficient
mutant
has
high
accumulation
glutamate
(Glu),
defined
wound
signal
essential
for
activating
plant
defense,
disharmoniously
exhibits
attenuation
events.
We
further
uncover
GSH
as
critical
molecule
relies
GLUTAMATE
RECEPTOR-LIKE
3.3
(GLR3.3)
calcium-based
in
plants.
Our
findings
offer
new
insights
into
highly
sophisticated
defend
against
herbivory
and
pathogen
invasion.
Current Biology,
Год журнала:
2023,
Номер
33(23), С. R1246 - R1261
Опубликована: Дек. 1, 2023
Climate
change
threatens
global
food
and
nutritional
security
through
negative
effects
on
crop
growth
agricultural
productivity.
Many
countries
have
adopted
ambitious
climate
mitigation
adaptation
targets
that
will
exacerbate
the
problem,
as
they
require
significant
changes
in
current
agri-food
systems.
In
this
review,
we
provide
a
roadmap
for
improved
production
encompasses
effective
transfer
of
knowledge
into
plant
breeding
management
strategies
underpin
sustainable
agriculture
intensification
resilience.
We
identify
main
problem
areas
highlight
outstanding
questions
potential
solutions
can
be
applied
to
mitigate
impacts
Although
translation
scientific
advances
lags
far
behind
technology,
consider
holistic
approach,
combining
disciplines
collaborative
efforts,
drive
better
connections
between
research,
policy,
needs
society.
Cell,
Год журнала:
2023,
Номер
186(7), С. 1337 - 1351.e20
Опубликована: Март 1, 2023
Leaf-feeding
insects
trigger
high-amplitude,
defense-inducing
electrical
signals
called
slow
wave
potentials
(SWPs).
These
are
thought
to
be
triggered
by
the
long-distance
transport
of
low
molecular
mass
elicitors
termed
Ricca's
factors.
We
sought
mediators
leaf-to-leaf
signaling
in
Arabidopsis
thaliana
and
identified
them
as
β-THIOGLUCOSIDE
GLUCOHYDROLASE
1
2
(TGG1
TGG2).
SWP
propagation
from
insect
feeding
sites
was
strongly
attenuated
tgg1
tgg2
mutants
wound-response
cytosolic
Ca2+
increases
were
reduced
these
plants.
Recombinant
TGG1
fed
into
xylem
elicited
wild-type-like
membrane
depolarization
transients.
Moreover,
TGGs
catalyze
deglucosidation
glucosinolates.
Metabolite
profiling
revealed
rapid
wound-induced
breakdown
aliphatic
glucosinolates
primary
veins.
Using
vivo
chemical
trapping,
we
found
evidence
for
roles
short-lived
aglycone
intermediates
generated
glucosinolate
hydrolysis
depolarization.
Our
findings
reveal
a
mechanism
whereby
organ-to-organ
protein
plays
major
role
signaling.
Current Biology,
Год журнала:
2023,
Номер
33(6), С. 1019 - 1035.e8
Опубликована: Март 1, 2023
In
Arabidopsis
thaliana,
local
wounding
and
herbivore
feeding
provoke
leaf-to-leaf
propagating
Ca2+
waves
that
are
dependent
on
the
activity
of
members
glutamate
receptor-like
channels
(GLRs).
systemic
tissues,
GLRs
needed
to
sustain
synthesis
jasmonic
acid
(JA)
with
subsequent
activation
JA-dependent
signaling
response
required
for
plant
acclimation
perceived
stress.
Even
though
role
is
well
established,
mechanism
through
which
they
activated
remains
unclear.
Here,
we
report
in
vivo,
amino-acid-dependent
AtGLR3.3
channel
responses
require
a
functional
ligand-binding
domain.
By
combining
imaging
genetics,
show
leaf
mechanical
injury,
such
as
wounds
burns,
hypo-osmotic
stress
root
cells,
induces
apoplastic
increase
L-glutamate
(L-Glu),
largely
independent
instead
cytosolic
elevation.
Moreover,
by
using
bioelectronic
approach,
release
minute
concentrations
L-Glu
lamina
fails
induce
any
long-distance
waves.
Biology,
Год журнала:
2023,
Номер
12(2), С. 217 - 217
Опубликована: Янв. 30, 2023
Mechanical
stimuli,
together
with
the
corresponding
plant
perception
mechanisms
and
finely
tuned
thigmomorphogenetic
response,
has
been
of
scientific
practical
interest
since
mid-17th
century.
As
an
emerging
field,
there
are
many
challenges
in
research
mechanical
stress.
Indeed,
studies
on
different
species
(annual/perennial)
organs
(stem/root)
using
approaches
(field,
wet
lab,
silico/computational)
have
delivered
insufficient
findings
that
frequently
impede
application
acquired
knowledge.
Accordingly,
current
work
distils
existing
stress
knowledge
by
bringing
side-by-side
conducted
both
stem
roots.
First,
various
types
encountered
plants
defined.
Second,
outlined.
Finally,
strategies
employed
roots
to
counteract
perceived
stresses
summarized,
depicting
morphological,
phytohormonal,
molecular
characteristics.
The
comprehensive
literature
perennial
(woody)
annual
was
reviewed,
considering
potential
benefits
drawbacks
two
types,
which
allowed
us
highlight
gaps
as
areas
for
future
research.
PLANT PHYSIOLOGY,
Год журнала:
2024,
Номер
195(1), С. 135 - 154
Опубликована: Янв. 30, 2024
Small-molecule
phytohormones
exert
control
over
plant
growth,
development,
and
stress
responses
by
coordinating
the
patterns
of
gene
expression
within
between
cells.
Increasing
evidence
indicates
that
currently
recognized
hormones
are
part
a
larger
group
regulatory
metabolites
have
acquired
signaling
properties
during
evolution
land
plants.
This
rich
assortment
chemical
signals
reflects
tremendous
diversity
secondary
metabolism,
which
offers
evolutionary
solutions
to
daunting
challenges
sessility
other
unique
aspects
biology.
A
major
gap
in
our
current
understanding
is
lack
insight
into
direct
targets
these
compounds.
Here,
we
illustrate
blurred
distinction
classical
bioactive
highlighting
scientific
advances
transformed
view
jasmonate
from
an
interesting
floral
scent
potent
transcriptional
regulator.
Lessons
research
generally
apply
thus
may
help
provide
broad
metabolite-protein
interactions.
In
providing
framework
links
small-molecule
plasticity,
hope
stimulate
future
explore
evolution,
functions,
mechanisms
perception
range
metabolites.
Global Change Biology,
Год журнала:
2025,
Номер
31(4)
Опубликована: Апрель 1, 2025
ABSTRACT
Feeding
the
growing
human
population
sustainably
amidst
climate
change
is
one
of
most
important
challenges
in
21st
century.
Current
practices
often
lead
to
overuse
agronomic
inputs,
such
as
synthetic
fertilizers
and
water,
resulting
environmental
contamination
diminishing
returns
on
crop
productivity.
The
complexity
agricultural
systems,
involving
plant‐environment
interactions
management,
presents
significant
scientific
technical
for
developing
sustainable
practices.
Addressing
these
necessitates
transdisciplinary
research,
intense
collaboration
among
fields
plant
science,
engineering,
computer
social
sciences.
Five
case
studies
are
presented
here
demonstrating
successful
approaches
toward
more
water
fertilizer
use.
These
span
multiple
scales.
By
leveraging
whole‐plant
signaling,
reporter
plants
can
transform
our
understanding
communication
enable
efficient
application
fertilizers.
use
new
technologies
could
increase
availability
phosphorus
soil.
To
accelerate
advancements
breeding
cultivars,
robotic
high‐throughput
screening
different
environments
at
a
scale
discussed.
At
ecosystem
scale,
recovery
from
aquatic
systems
methods
minimize
leaching
described.
Finally,
outputs
affect
all
people,
integration
stakeholder
perspectives
needs
into
research
outlined.
highlight
how
cross‐training
biologists,
engineers,
scientists
bring
diverse
expertise
tackling
grand
agriculture,
driving
discovery
innovation.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(1), С. 847 - 847
Опубликована: Янв. 3, 2023
Plants
are
constantly
exposed
to
environmental
stresses.
Local
stimuli
sensed
by
one
part
of
a
plant
translated
into
long-distance
signals
that
can
influence
the
activities
in
distant
tissues.
Changes
levels
phytohormones
parts
occur
response
various
local
stimuli.
The
regulation
hormone
be
mediated
electrical
signals,
which
also
induced
stimulation.
We
consider
crosstalk
between
and
identify
interaction
points,
as
well
provide
insights
integration
nodes
involve
changes
pH,
Ca2+
ROS
levels.
This
review
provides
an
overview
our
current
knowledge
how
hormones
work
together
induce
systemic
response.
Plants,
Год журнала:
2023,
Номер
13(1), С. 46 - 46
Опубликована: Дек. 22, 2023
High
concentrations
of
sodium
(Na+),
chloride
(Cl−),
calcium
(Ca2+),
and
sulphate
(SO42−)
are
frequently
found
in
saline
soils.
Crop
plants
cannot
successfully
develop
produce
because
salt
stress
impairs
the
uptake
Ca2+,
potassium
(K+),
water
into
plant
cells.
Different
intracellular
extracellular
ionic
change
with
salinity,
including
those
K+,
protons.
These
cations
serve
as
signaling
molecules
addition
to
being
essential
for
homeostasis
nutrition.
Maintaining
an
appropriate
K+:Na+
ratio
is
one
crucial
mechanism
tolerance,
which
a
complicated
trait.
Another
important
ability
fast
extrusion
Na+
from
cytosol.
Ca2+
established
ubiquitous
secondary
messenger,
transmits
various
signals
metabolic
alterations
that
cause
adaptive
responses.
When
under
stress,
cytosolic-free
concentration
can
rise
10
times
or
more
its
resting
level
50–100
nanomolar.
Reactive
oxygen
species
(ROS)
linked
produced
by
stress.
Depending
on
type,
frequency,
intensity
cytosolic
oscillate,
transient,
persist
longer
period
exhibit
specific
“signatures”.
Both
influx
efflux
affect
length
amplitude
signal.
According
several
reports,
occur
not
only
cytoplasm
cell
but
also
walls,
nucleus,
other
organelles
waves
propagate
through
whole
plant.
Here,
we
will
focus
how
wheat
crops
absorb
Na+,
Cl−
when
well
pH
homeostasis.
Similar
mechanisms
model
Arabidopsis
be
considered.
Knowledge
these
processes
understanding
react
salinity
development
tolerant
crops.