Cell Reports,
Journal Year:
2023,
Volume and Issue:
42(7), P. 112676 - 112676
Published: June 20, 2023
Plant
response
to
pathogen
infection
varies
within
a
leaf,
yet
this
heterogeneity
is
not
well
resolved.
We
expose
Arabidopsis
Pseudomonas
syringae
or
mock
treatment
and
profile
>11,000
individual
cells
using
single-cell
RNA
sequencing.
Integrative
analysis
of
cell
populations
from
both
treatments
identifies
distinct
pathogen-responsive
clusters
exhibiting
transcriptional
responses
ranging
immunity
susceptibility.
Pseudotime
analyses
through
reveals
continuum
disease
progression
an
immune
susceptible
state.
Confocal
imaging
promoter-reporter
lines
for
transcripts
enriched
in
shows
expression
surrounding
substomatal
cavities
colonized
close
proximity
bacterial
colonies,
suggesting
that
represent
sites
early
invasion.
Susceptibility
exhibit
more
general
localization
are
highly
induced
at
later
stages
infection.
Overall,
our
work
cellular
infected
leaf
provides
insight
into
plant
differential
level.
Annual Review of Plant Biology,
Journal Year:
2021,
Volume and Issue:
72(1), P. 761 - 791
Published: March 23, 2021
Salicylic
acid
(SA)
is
an
essential
plant
defense
hormone
that
promotes
immunity
against
biotrophic
and
semibiotrophic
pathogens.
It
plays
crucial
roles
in
basal
the
amplification
of
local
immune
responses,
as
well
establishment
systemic
acquired
resistance.
During
past
three
decades,
immense
progress
has
been
made
understanding
biosynthesis,
homeostasis,
perception,
functions
SA.
This
review
summarizes
current
knowledge
regarding
SA
other
biological
processes.
We
highlight
recent
breakthroughs
substantially
advanced
our
how
biosynthesized
from
isochorismate,
it
perceived,
receptors
regulate
different
aspects
immunity.
Some
key
questions
biosynthesis
signaling,
such
produced
via
another
intermediate,
benzoic
acid,
affects
activities
its
transcriptional
regulation
genes,
remain
to
be
addressed.
Journal of Integrative Plant Biology,
Journal Year:
2022,
Volume and Issue:
64(2), P. 301 - 341
Published: Jan. 5, 2022
Abstract
Mitogen‐activated
protein
kinase
(MAPK)
cascades
are
key
signaling
modules
downstream
of
receptors/sensors
that
perceive
either
endogenously
produced
stimuli
such
as
peptide
ligands
and
damage‐associated
molecular
patterns
(DAMPs)
or
exogenously
originated
pathogen/microbe‐associated
(P/MAMPs),
pathogen‐derived
effectors,
environmental
factors.
In
this
review,
we
provide
a
historic
view
plant
MAPK
research
summarize
recent
advances
in
the
establishment
essential
components
immunity,
response
to
stresses,
normal
growth
development.
Each
tier
is
encoded
by
small
gene
family,
multiple
members
can
function
redundantly
an
cascade.
Yet,
they
carry
out
diverse
array
biological
functions
plants.
How
specificity
achieved
has
become
interesting
topic
research.
Future
investigations
into
mechanism(s)
underlying
regulation
activation
including
kinetics
magnitude
stimulus,
spatiotemporal
expression
all
pathway,
functional
characterization
novel
substrates
central
our
understanding
The Plant Journal,
Journal Year:
2020,
Volume and Issue:
105(2), P. 518 - 541
Published: Dec. 18, 2020
Summary
The
interaction
of
plants
with
complex
microbial
communities
is
the
result
co‐evolution
over
millions
years
and
contributed
to
plant
transition
adaptation
land.
ability
be
an
essential
part
highly
dynamic
ecosystems
dependent
on
their
diverse
communities.
Plant
microbiota
can
support,
even
enable,
functions
are
crucial
in
sustaining
fitness
under
often
rapidly
changing
environments.
composition
diversity
differs
between
soil
compartments.
It
indicates
that
these
compartments
not
static
but
adjusted
by
environment
as
well
inter‐microbial
plant–microbe
communication.
Hormones
take
a
role
contributing
assembly
microbiomes,
microbes
employ
same
hormones
completely
different
intentions.
Here,
function
go‐betweens
influence
shape
discussed.
versatility
microbe‐derived
essentially
contributes
creation
habitats
origin
and,
thus,
multifunctionality
plants,
ultimately
ecosystems.
The Plant Cell,
Journal Year:
2020,
Volume and Issue:
32(12), P. 4002 - 4016
Published: Oct. 9, 2020
The
plant
defense
hormone
salicylic
acid
(SA)
is
perceived
by
two
classes
of
receptors,
NPR1
and
NPR3/NPR4.
They
function
in
parallel
pathways
to
regulate
SA-induced
gene
expression.
To
better
understand
the
roles
SA
receptors
defense,
we
systematically
analyzed
their
contributions
different
aspects
Arabidopsis
(Arabidopsis
thaliana)
immunity
using
SA-insensitive
npr1-1
npr4-4D
double
mutant.
We
found
that
perception
NPR4
required
for
activation
N-hydroxypipecolic
biosynthesis,
which
essential
inducing
systemic
acquired
resistance.
In
addition,
both
pattern-triggered
(PTI)
effector-triggered
(ETI)
are
severely
compromised
Interestingly,
PTI
ETI
attenuation
more
dramatic
compared
with
SA-induction
deficient2-1
(sid2-1)
mutant,
suggesting
residual
levels
sid2-1
also
contributes
immunity.
Furthermore,
involved
positive
feedback
amplification
biosynthesis
regulation
homeostasis
through
modifications
including
5-hydroxylation
glycosylation.
Thus,
play
broad
