Thirty years of resistance: Zig-zag through the plant immune system
The Plant Cell,
Год журнала:
2022,
Номер
34(5), С. 1447 - 1478
Опубликована: Фев. 10, 2022
Understanding
the
plant
immune
system
is
crucial
for
using
genetics
to
protect
crops
from
diseases.
Plants
resist
pathogens
via
a
two-tiered
innate
detection-and-response
system.
The
first
Resistance
(R)
gene
was
cloned
in
1992
.
Since
then,
many
cell-surface
pattern
recognition
receptors
(PRRs)
have
been
identified,
and
R
genes
that
encode
intracellular
nucleotide-binding
leucine-rich
repeat
(NLRs)
cloned.
Here,
we
provide
list
of
characterized
PRRs
NLRs.
In
addition
receptors,
components
signaling
networks
were
discovered
over
last
30
years.
We
review
pathways,
physiological
responses,
molecular
regulation
both
PRR-
NLR-mediated
immunity.
Recent
studies
reinforced
importance
interactions
between
two
systems.
an
overview
immunity,
highlighting
challenges
perspectives
future
research.
Язык: Английский
Salicylic Acid: Biosynthesis and Signaling
Annual Review of Plant Biology,
Год журнала:
2021,
Номер
72(1), С. 761 - 791
Опубликована: Март 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.
Язык: Английский
Ca 2+ signals in plant immunity
The EMBO Journal,
Год журнала:
2022,
Номер
41(12)
Опубликована: Май 13, 2022
Review13
May
2022Open
Access
Ca2+
signals
in
plant
immunity
Philipp
Köster
orcid.org/0000-0002-1359-822X
Institute
of
Plant
and
Microbial
Biology
Zürich-Basel
Science
Center,
University
Zürich,
Switzerland
Contribution:
Visualization,
Writing
-
original
draft,
review
&
editing
Search
for
more
papers
by
this
author
Thomas
A
DeFalco
orcid.org/0000-0003-2897-1485
Cyril
Zipfel
Corresponding
Author
[email
protected]
orcid.org/0000-0003-4935-8583
The
Sainsbury
Laboratory,
East
Anglia,
Norwich,
UK
Funding
acquisition,
Information
Köster1,
DeFalco1
*,1,2
1Institute
2The
*Corresponding
author.
Tel:
+41
044
63
48222;
E-mail:
EMBO
Journal
(2022)41:e110741https://doi.org/10.15252/embj.2022110741
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Abstract
Calcium
ions
function
as
a
key
second
messenger
ion
eukaryotes.
Spatially
temporally
defined
cytoplasmic
are
shaped
through
the
concerted
activity
channels,
exchangers,
pumps
response
diverse
stimuli;
these
then
decoded
Ca2+-binding
sensor
proteins.
In
plants,
signaling
is
central
both
pattern-
effector-triggered
immunity,
with
generation
characteristic
elevations
potential
pathogens
being
common
both.
However,
despite
their
importance,
long
history
scientific
interest,
transport
proteins
that
shape
integration
remain
poorly
characterized.
Here,
we
discuss
recent
work
has
shed
light
on
deepened
mysteries
immunity.
immune
system
All
eukaryotes
use
systems
protect
themselves
against
pathogens.
consists
two
characterized
perception
layers:
one
utilizes
cell-surface
pattern
recognition
receptors
(PRRs)
perceive
extracellular
immunogenic
patterns,
another
relies
intracellular
nucleotide-binding
leucine-rich
repeat
(NLR)
recognize
pathogenic
effectors
inside
cell
(Jones
Dangl,
2006).
first
layer
system,
apoplastic
elicitors
such
pathogen-,
microbe-,
damage-,
or
herbivore-associated
molecular
patterns
(PAMPs,
MAMPs,
DAMPs,
HAMPs,
respectively)
immune-modulating
peptide
phytocytokines
recognized
PRRs,
which
leads
defense
responses
termed
pattern-triggered
(PTI)
(Boller
Felix,
2009;
Yu
et
al,
2017;
Zipfel,
2021).
PRRs
described
date
receptor
kinases
(RKs)
(RPs)
(Boutrot
Albert
2020).
RKs
domain
structure
reminiscent
metazoan
tyrosine
(RTKs)
(DeFalco
2021);
namely,
ligand-binding
(ECD),
single-span
transmembrane
helix
(TM)
cytosolic
protein
kinase
(Jamieson
2018),
while
RPs
lack
instead
form
functional
bipartite
adapter
(Liebrand
2013;
2015;
Postma
2016).
Because
architecture,
plasma
membrane
(PM)-localized
(or
complexes)
allow
ligand
binding
be
communicated
across
into
events.
nature
varies,
including
proteins,
lipids,
carbohydrates,
can
derived
from
either
pathogen
herbivore
(e.g.,
PAMPs,
HAMPs)
host
plant,
case
macromolecules
released
upon
damage
(DAMPs)
secreted
(Gust
2017).
PRR
ECDs
variety
subdomains,
(LRR),
epidermal
growth
factor-like
(EGF),
lectin,
lysin
motif
(LysM)
domains
best-studied
to-date
LRR-RKs
FLAGELLIN-SENSING
2
(FLS2)
EF-TU
RECEPTOR
(EFR),
bacterial
PAMPs
flg22
elf18,
respectively
(Gómez-Gómez
Boller,
2000;
Both
FLS2
EFR
stable
ligand-dependent
complexes
LRR-RK
co-receptors
SOMATIC
EMBRYOGENESIS
KINASE
(SERK)
family,
BRASSINOSTEROID-INSENSITIVE
1-ASSOCIATED
1
(BAK1,
also
called
SERK3)
(Chinchilla
2007;
Heese
Roux
2011).
Complex
formation
between
phosphorylation
events
within
activation
receptor-like
(RLCKs),
directly
phosphorylate
regulate
target
order
activate
PTI
(Liang
Zhou,
2018;
2021)
(Fig
1A).
Figure
1.
ETI
induce
residing
at
PM.
They
originating
microbes,
viruses,
herbivores,
parasitic
damaged
cells.
turn,
RLCKs
activated
downstream
release
few
minutes
after
facet.
Microbes
introduce
effector
cells
disturb
overcome
responses.
Cytoplasmic
NLRs
sense
presence
ETI.
To
end,
autoinhibition
released,
ADP
changed
ATP
oligomerization
occurs,
leading
finally
(A).
significant
increase
been
reported
occur
Arabidopsis
leaves
starting
1.5
h
peaking
about
infection
avirulent
bacteria
(B).
Schematic
signatures
plants
induced
Grant
al
(2000)
RK:
kinase;
co-RK:
coreceptor
RP:
protein;
RLCK:
like
NLR:
receptor;
CC:
coiled-coil;
TIR:
toll/interleukin-related;
CNLs:
CC-NLRs;
TNLs:
TIR-NLRs;
RNLs:
RPW8-NRLs;
NBS:
nucleotide
site;
LRR:
repeats;
PTI:
immunity;
ETI:
c[Ca2+]:
free
concentration.
Download
figure
PowerPoint
Pathogens
cytoplasm
promote
pathogenicity,
often
disturbing
counteract
this,
rely
NLR-type
and/or
activity,
(ETI).
Interestingly,
share
architecture
those
animals,
featuring
conserved
(NBD)
LRR
domain,
variable
accessory
N
C
termini
(DeYoung
Innes,
2006;
Jones
2016;
Baggs
van
Wersch
categorized
based
N-terminal
domains:
coiled-coil
(CC)-NLRs
(CNLs),
toll/interleukin-related
(TIR)-NLRs
(TNLs),
RPW8-NLRs
(RNLs).
Of
NLRs,
CNLs
TNLs
sensors
RNLs
helpers
(Baggs
Wu
Jubic
2019;
Feehan
present
an
inactive
state,
likely
autoinhibitory,
adenosine
diphosphate
(ADP)
bound
NBD
(Williams
2011;
Bernoux
Upon
activation,
exchanged
triphosphate
(ATP)
NLR
via
large
multimeric
structures
(Danot
2009).
similar
mechanism
hypothesized
but
only
recently
corroborated
structural
data
discussed
detail
below.
have
traditionally
viewed
independent
pathways;
however,
least
some
components
shared
layers
(Thomma
Activation
triggers
numerous
overlapping
events,
fluxes,
production
reactive
oxygen
species
(ROS),
mitogen-activated
(MAPK)
cascades,
transcriptional
reprogramming,
phytohormone
biosynthesis
(Cui
Zhou
Zhang,
2020;
generally
accompanied
programmed
death
hypersensitive
(HR)
site
2006),
although
HR-like
forms
(Wang
Recent
further
demonstrated
linked
levels
(Ngou
2021;
Pruitt
Tian
Yuan
exact
mechanisms
governing
linkage
pathways
remains
elucidated
fully.
As
changes
intracelluar
well
documented
thought
(Seybold
2014;
Moeder
2019).
universal
(Clapham,
2007).
Owing
its
cytotoxicity,
must
maintained
low
(~10−8
10−7
M)
living
cells,
thus
sequestered
stores
(in
primarily
vacuole
endoplasmatic
reticulum,
vesicular
compartments,
chloroplasts
mitochondria)
apoplast
active
transport,
generating
enormous
electrochemical
gradients
membranes
Edel
Costa
2018).
Ca2+-permeable
channels
therefore
generate
rapid,
transient
increases
concentrations,
turn
interpreted
suite
cellular
processes
2010).
summarized
three
steps:
encoding
(via
stimulus-triggered
fluxes),
decoding
proteins),
regulation
processes).
involved
all
aspects
life,
regulation,
development,
abiotic
stress
responses,
reproduction
(Kudla
establishment
beneficial
plant-microbe
interactions
(Tian
review,
focus
how
encoded
PM
during
signaling.
influx
oxidative
burst
(Doke,
1983,
1985;
Apostol
1989;
Keppler
1989)
were
among
elicitor
treatment
(Atkinson
1996;
Levine
Zimmermann
1997;
Lecourieux
2002).
ROS
was
eventually
attributed
PM-localized
NADPH
oxidases
RESPIRATORY
BURST
OXIDASE
HOMOLOGUE
(RBOH)
family
(Torres
2002);
model
thaliana
(hereafter,
Arabidopsis),
single
member,
RBOHD,
responsible
(Nühse
Zhang
contrast,
channel(s)
remained
comparably
elusive
many
years
2014).
Cytosolic
evoked
various
measured
culture
using
radioisotopes,
Ca2+-sensitive
dyes,
electrophysiological
approaches
Gelli
1997).
development
genetically
indicators
(GECIs)
greatly
expanded
possibilities
real-time,
kinetic
analysis
fluxes
intact
tissues
treatment.
GECI
deployed
aequorin
(AEQ)
Aequoria
victoria
(Knight
1991),
holo-enzyme
cofactor
coelenterazine
emits
Ca2+-binding.
When
challenged
virulent
strains
bacterium
Pseudomonas
syringae,
expressing
AEQ
showed
signal
peak
~10
min.
second,
stronger,
persistent
seen
1.5–2
avirulent,
ETI-activating
P.
syringae
(Grant
Kang
2010;
Hung
kinetics
early
elevation
triggered
(Blume
2002)
biphasic
ETI-inducing
suggested
may
distinct
1B).
Subsequent
analyses
AEQ-expressing
shown
elicitors,
phytocytokines,
sufficient
elicit
rapid
(Ranf
2008,
Vadassery
Krol
Such
requires
components,
RLCK-VII/
AVRPPHB
SUSCEPTIBLE
(PBS1)-LIKE
(PBL)
members
BOTRYTIS-INDUCED
(BIK1)
PBL1
(Li
Ranf
Monaghan
2015).
More
recently,
deployment
fluorescent
GECIs
allowed
elicitor-induced
level.
include
ratiometric
yellow
cameleons)
intensiometric
GCaMPs
GECOs)
(Grenzi
2021b;
Waadt
Flourescent
utilized
show
oscillatory
single-cell
level
(Thor
Peiter,
Keinath
2015)
roots
application
laser
ablation-induced
lead
transients
(Keinath
Marhavý
Ca2+—tightly
messengers
There
extensive
interplay
(Gilroy
2016);
initial
PTI-related
mildly
reduced
oxidase
inhibitor
DPI
catalase,
there
no
effect
longer-term,
2000).
Similarly,
rbohd
mutants
slight,
quantitative
defect
elicitor-triggered
when
seedlings
severely
attenuated
channel
blockers
Elicitor
RBOHD
BIK1
(Kadota
Li
2014),
suggesting
complex
relationship
wherein,
perception,
PRR-mediated
primes
subsequent
2).
not
activates
EF-hand
indirectly
Ca2+-regulated
kinase-mediated
(Ogasawara
2008;
Dubiella
2013).
CALCIUM
DEPENDENT
PROTEIN
5
(CPK5)
sites
(Dubiella
Kadota
While
residues
strictly
required
PTI-induced
bursts
2007),
individual
contribution
other
impact
certain
uncovered.
2.
tightly
interconnected
PTI,
signals.
NADPH-oxidase
EF-hands,
terminus
(indicated
grey
arrows
targeting
p-sites).
addition,
thereby
black
Reactive
perceived
cysteine
pairs
RK
HPCA1/CARD1.
This
H2O2
Arabidopsis,
pathway
HPCA1
known.
AEQ-based
screen
impaired
H2O2-induced
identified
LRR-RK,
HYDROGEN
PEROXIDE
INDUCED
INCREASE
(HPCA1),
putative
(Wu
2020a).
independently
CANNOT
RESPOND
TO
DMBQ
(CARD1),
loss
quinone
compound
2,6-dimethoxy-1,4-benzoquinone
(DMBQ),
regulates
HPCA1/CARD1-dependent
(Laohavisit
regulated
HPCA1/CARD1,
role
regulating
sensor(s)
unclear.
AEQ-measured
calcium
cngc2
cngc4
2019),
perception.
Shaping
efflux
generated
coordinated
action
transporters
involve
(Spalding
Harper,
Resentini
possess
major
families
mediate
out
cytosol:
Ca2+/H+
exchangers
(CAXs),
autoinhibited
Ca2+-ATPases
(ACAs)
ER
(Geisler
Shigaki
Hirschi,
García
Bossi
ACA
relieved
Ca2+/CaM-binding,
allows
feedback
ACA8
homolog
ACA10
interactors
FLS2,
aca8
aca10
displayed
defects
flg22-induced
compromised
resistance
(Frei
dit
Frey
2012),
disturbed
stomatal
closure
PAMP
(Yang
2017),
shapes
PTI.
Two
tonoplast-localized
ACAs,
ACA4
ACA11,
implicated
aca4
aca11
display
autoimmune
phenotypes
spontaneous
(Boursiac
Although
wildtype
total
content
2010),
revealed
basal
elevated
(Hilleary
Elicitor-induced
peaks
3),
rescued
mis-localization
ACAs
tonoplast
2020),
indicating
critical
maintain
homeostasis
modulate
3.
Disturbance
machinery
impairs
(CAX)
Ca2+-ATPase
reside
establish
concentrations
termination
export
vacuolar
lumen
mutants,
consequently
phenotype
lines,
slower
onset
signal,
higher
concentration
retarded
reduction
Hilleary
(2020)
(C).
Plasma
membrane-localized
Extensive
require
PM-localized,
Gd3+
La3+
abolishes
2002;
Kwaaitaal
Maintz
studies
clearly
implicate
signaling,
hidden.
started
decipher
defense-related
roles
several
classes
begun
Below,
immunity-related
candidates
phylogenetic
groups
rather
than
following
chronological
identification
strict
PTI/ETI
dichotomy.
CNGCs—from
strong
One
tetrameric
cyclic
nucleotide-gated
(CNGCs)
(Köhler
Neuhaus,
1998).
CNGCs
comprise
gene
20
Arabidopsis)
(Mäser
2001)
named
topology
organization,
mammalian
(CNG)
hyperpolarization-activated
nucleotide-modulated
(HCN)
(Kaupp
Seifert,
Matulef
Zagotta,
2003).
Individual
six
helices
termini,
(CNBD)
located
CNGC
(Kaplan
previous
reports
indicated
CNBDs
bind
nucleotides
(Baxter
2008),
cAMP
cGMP
(Leng
Gao
2014,
Meena
it
unclear
whether
bona
fide
agonists
planta.
Furthermore,
existence
guanylate
adenylate
cyclases
(GCs
ACs)
proteomes
still
under
debate
will
here.
Indeed,
suggest
multiple
RKs,
GC
(Qi
Turek
Irving,
2021),
determined
vitro
activities
GCs
position
argues
physiological
relevance
(Ashton,
Bojar
Nevertheless,
over
past
decades
Ca2+-permeable,
non-selective
cation
(Jarratt-Barnham
calmodulin
(CaM),
CaM-binding
(CaMBDs)
found
examined
(Arazi
1999;
Köhler
Hua
2003;
Fischer
2013,
2016a)
isoforms
2016a).
Ca2+/CaM
2016b)
Ca2+-independent
IQ
CaMBD
C-terminal
end
essential
2016a;
Pan
additional
Ca2+-dependent
CaMBDs
providing
negative
(feedback)
divided
four
subfamilies
phylogeny,
group
IV
IVa
IVb
2001).
members,
CNGC2
CNGC4,
isolated
defense,
(dnd)
lesion
mimic
(hlm)
dnd1
dnd2/hlm1
(null
(Clough
Balagué
Jurkowski
2004).
dnd
initially
defective
induction
HR,
able
carry
(Yu
These
phenotypic
defects,
dwarf
morphology,
delayed
flowering,
salicylic
acid
(SA),
death,
dis-regulated
auxin
Chan
2004;
Chin
Chakraborty
keeping
immune-related
dnd1/cngc2
mediator
molecule
nitric
oxide
(NO)
compared
WT
lipopolysaccharide
(LPS)
(Ali
same
study
used
pharmacological
inhibitors
CaM,
NO
synthase
(NOS)-type
process.
Given
mammalian-type
NOS
enzymes
land
(Santolini
2017)
myriad
functions
CaM
results
however
cautiously.
reporter
lines
full
(Ma
2012).
convergence
(Couto
Bjornson
specificity
achieved.
virus-induced
silencing
(VIGS)
tomato
flg22,
positively
(Saand
Recently,
loss-of-function
each
forward
genetic
exhibited
syringae.
Remarkably,
dependent
high
media,
indistinguishable
plants.
bik1,
do
conditional
Detailed
characterization
heterologously
expressed
Xenopus
laevis
oocytes
subunits
inactive,
CNGC2-CNGC4
heteromers
produce
currents
wherein
together
(Chin
inhibited
CaM;
experiments
CNGC4
partially
2019)
4A).
highlights
subject,
phosphorylation,
and,
potentially,
4.
fulfil
homo-
heterotertramers
homotetramers
heterotetramers
cytosol.
Ca2+-bound
Calmodulin
(CAM)
inhibits
loop.
initiation
phosphorylates
CAM-mediated
inhibition
rice,
RLCK185
OsCNGC9.
If
OsCNGC9
containing
tetramer
homomeric
heteromeric
known
resolved
pathways.
CNGC19
CNGC20
PM,
phosphorylated
BAK1,
initiates
degradation
channels.
bak1/bkk1
coRK
accumulation
CNGC19/CNGC20
influx,
ultimately
causing
death.
media
(Chan
2013),
Язык: Английский
Aegilops sharonensis genome-assisted identification of stem rust resistance gene Sr62
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Март 25, 2022
Abstract
The
wild
relatives
and
progenitors
of
wheat
have
been
widely
used
as
sources
disease
resistance
(
R
)
genes.
Molecular
identification
characterization
these
genes
facilitates
their
manipulation
tracking
in
breeding
programmes.
Here,
we
develop
a
reference-quality
genome
assembly
the
diploid
relative
Aegilops
sharonensis
use
positional
mapping,
mutagenesis,
RNA-Seq
transgenesis
to
identify
stem
rust
gene
Sr62
,
which
has
also
transferred
common
wheat.
This
encodes
tandem
kinase,
homologues
exist
across
multiple
taxa
plant
kingdom.
Stable
transgenic
lines
show
high
levels
against
diverse
isolates
pathogen,
highlighting
utility
for
deployment
part
polygenic
stack
maximize
durability
resistance.
Язык: Английский
Identifying plant genes shaping microbiota composition in the barley rhizosphere
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Июнь 16, 2022
A
prerequisite
to
exploiting
soil
microbes
for
sustainable
crop
production
is
the
identification
of
plant
genes
shaping
microbiota
composition
in
rhizosphere,
interface
between
roots
and
soil.
Here,
we
use
metagenomics
information
as
an
external
quantitative
phenotype
map
host
genetic
determinants
rhizosphere
wild
domesticated
genotypes
barley,
fourth
most
cultivated
cereal
globally.
We
identify
a
small
number
loci
with
major
effect
on
communities.
One
those,
designated
QRMC-3HS,
emerges
determinant
composition.
subject
soil-grown
sibling
lines
harbouring
contrasting
alleles
at
QRMC-3HS
hosting
microbiotas
comparative
root
RNA-seq
profiling.
This
allows
us
three
primary
candidate
genes,
including
Nucleotide-Binding-Leucine-Rich-Repeat
(NLR)
gene
region
structural
variation
barley
genome.
Our
results
provide
insights
into
footprint
improvement
plant's
capacity
microbes.
Язык: Английский
A tripartite rheostat controls self-regulated host plant resistance to insects
Nature,
Год журнала:
2023,
Номер
618(7966), С. 799 - 807
Опубликована: Июнь 14, 2023
Plants
deploy
receptor-like
kinases
and
nucleotide-binding
leucine-rich
repeat
receptors
to
confer
host
plant
resistance
(HPR)
herbivores1.
These
gene-for-gene
interactions
between
insects
their
hosts
have
been
proposed
for
more
than
50
years2.
However,
the
molecular
cellular
mechanisms
that
underlie
HPR
elusive,
as
identity
sensing
of
insect
avirulence
effectors
remained
unknown.
Here
we
identify
an
salivary
protein
perceived
by
a
immune
receptor.
The
BPH14-interacting
(BISP)
from
brown
planthopper
(Nilaparvata
lugens
Stål)
is
secreted
into
rice
(Oryza
sativa)
during
feeding.
In
susceptible
plants,
BISP
targets
O.
satvia
RLCK185
(OsRLCK185;
hereafter
Os
used
denote
satvia-related
proteins
or
genes)
suppress
basal
defences.
resistant
receptor
BPH14
directly
binds
activate
HPR.
Constitutive
activation
Bph14-mediated
immunity
detrimental
growth
productivity.
fine-tuning
achieved
through
direct
binding
selective
autophagy
cargo
OsNBR1,
which
delivers
OsATG8
degradation.
Autophagy
therefore
controls
levels.
Bph14
restores
homeostasis
downregulating
when
feeding
planthoppers
ceases.
We
saliva
sensed
discover
three-way
interaction
system
offers
opportunities
developing
high-yield,
insect-resistant
crops.
Язык: Английский
Join the green team: Inducers of plant immunity in the plant disease sustainable control toolbox
Journal of Advanced Research,
Год журнала:
2023,
Номер
unknown
Опубликована: Май 1, 2023
Crops
are
constantly
attacked
by
various
pathogens.
These
pathogenic
microorganisms,
such
as
fungi,
oomycetes,
bacteria,
viruses,
and
nematodes,
threaten
global
food
security
causing
detrimental
crop
diseases
that
generate
tremendous
quality
yield
losses
worldwide.
Chemical
pesticides
have
undoubtedly
reduced
damage;
however,
in
addition
to
increasing
the
cost
of
agricultural
production,
extensive
use
chemical
comes
with
environmental
social
costs.
Therefore,
it
is
necessary
vigorously
develop
sustainable
disease
prevention
control
strategies
promote
transition
from
traditional
modern
green
technologies.
Plants
possess
sophisticated
efficient
defense
mechanisms
against
a
wide
range
pathogens
naturally.
Immune
induction
technology
based
on
plant
immunity
inducers
can
prime
greatly
decrease
occurrence
severity
diseases.
Reducing
agrochemicals
an
effective
way
minimize
pollution
safety.
Язык: Английский
A molecular roadmap to the plant immune system
Journal of Biological Chemistry,
Год журнала:
2020,
Номер
295(44), С. 14916 - 14935
Опубликована: Авг. 18, 2020
Plant
diseases
caused
by
pathogens
and
pests
are
a
constant
threat
to
global
food
security.
Direct
crop
losses
the
measures
used
control
disease
(e.g.
application
of
pesticides)
have
significant
agricultural,
economic,
societal
impacts.
Therefore,
it
is
essential
that
we
understand
molecular
mechanisms
plant
immune
system,
system
allows
plants
resist
attack
from
wide
variety
organisms
ranging
viruses
insects.
Here,
provide
roadmap
immunity,
with
focus
on
cell-surface
intracellular
receptors.
We
describe
how
these
receptors
perceive
signatures
initiate
pathways.
merge
existing
concepts
new
insights
gained
recent
breakthroughs
structure
function
receptors,
which
generated
shift
in
our
understanding
immunity
interplay
between
two.
Finally,
use
current
as
context
discuss
potential
engineering
aim
bolstering
defenses
against
disease.
Plants
suffer
Their
ability
respond
infection
microbial
for
survival.
In
agriculture,
leads
loss
yield
can
devastating
effects
both
subsistence/small-holder
industrialized
farming
(1Savary
S.
Willocquet
L.
Pethybridge
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P.
McRoberts
N.
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A.
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D.P.
Gurr
Crop-destroying
fungal
oomycete
challenge
security.Fungal
Genet.
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2015;
74
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62-6410.1016/j.fgb.2014.10.012Crossref
3Fisher
M.C.
Henk
D.A.
Briggs
C.J.
Brownstein
J.S.
Madoff
L.C.
McCraw
S.L.
Emerging
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animal,
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health.Nature.
2012;
484
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(1534)
Scholar),
subsequent
impact
supply
chains
prices.
also
shaped
world,
perhaps
best-known
example
being
Irish
potato
famine
mid-1800s,
where
late
blight
(caused
filamentous
pathogen
Phytophthora
infestans)
contributed
mass
emigration
Ireland
(4Turner
R.S.
After
famine:
pathology,
infestans,
potatoes,
1845–1960.Hist.
Stud.
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2005;
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Scholar).
As
rich
source
nutrients,
target
pests,
including
viruses,
bacteria,
(fungi
oomycetes),
nematodes,
insects
complete
their
life
cycle
(5Dean
R.
Van
Kan
J.A.
Pretorius
Z.A.
Hammond-Kosack
K.E.
Di
Pietro
Spanu
P.D.
Rudd
J.J.
Dickman
M.
Kahmann
Ellis
J.
Foster
G.D.
Top
10
pathology.Mol.
Pathol.
13
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Furzer
O.
Jones
J.D.
Judelson
H.S.
Ali
G.S.
Dalio
R.J.
Roy
S.G.
Schena
Zambounis
Panabières
F.
Cahill
D.
Ruocco
Figueiredo
Chen
X.R.
Hulvey
et
al.The
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7Mansfield
Genin
Magori
Citovsky
V.
Sriariyanum
Ronald
Dow
Verdier
Beer
S.V.
Machado
M.A.
Toth
I.
Salmond
G.
pathogenic
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Plant.
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8Scholthof
K.B.
Adkins
Czosnek
H.
Palukaitis
Jacquot
E.
Hohn
T.
B.
Saunders
K.
Candresse
Ahlquist
Hemenway
C.
2011;
12
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(0)
Estimates
pre-harvest
crops
due
vary,
but
at
least
30%
agricultural
production
claimed
annually
This
increase
100%
localized
outbreaks
represents
contributor
insecurity.
largely
controlled
chemicals,
this
unsustainable
long-term
environmental
concerns
necessity
rethink
practices
more
generally
light
climate
emergency.
Genetic
forms
resistance
offer
environmentally
friendly,
low-input,
sustainable
agriculture
(9van
Esse
H.P.
Reuber
T.L.
van
der
Does
modification
improve
crops.New
Phytol.
2020;
225
(31135961):
70-8610.1111/nph.15967Crossref
(11)
Over
last
25
years,
remarkable
progress
has
been
made
basis
mechanisms.
encoded
or
“R”
genes
cloned
characterized
shown
be
genetic
phenotypes
breeders
>100
years.
Recent
studies
extended
knowledge
reveal
first
into
structural
receptor
(10Liu
Liu
Z.
Song
Hu
Y.
Han
She
Fan
Wang
Jin
Chang
Zhou
J.-M.
Chai
Chitin-induced
dimerization
activates
receptor.Science.
336
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11Maqbool
Saitoh
Franceschetti
Stevenson
C.E.M.
Uemura
Kanzaki
Kamoun
Terauchi
Banfield
M.J.
Structural
recognition
an
integrated
HMA
domain
NLR
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Li
Macho
A.P.
Zipfel
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flg22-induced
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Arabidopsis
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13Tang
Sun
Zhang
Gong
X.
endogenous
peptide
kinase
PEPR1.Cell
Res.
(25475059):
110-12010.1038/cr.2014.161Crossref
(93)
14Wang
Qi
H.-W.
Reconstitution
resistosome
conferring
immunity.Science.
364:
eaav587010.1126/science.aav5870Crossref
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15Wang
Wu
Gao
Ligand-triggered
allosteric
ADP
release
primes
eaav586810.1126/science.aav5868Crossref
(109)
16Williams
Sohn
K.H.
Wan
Bernoux
Sarris
P.F.
Segonzac
Ve
Ma
Saucet
S.B.
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D.J.
Casey
L.W.
Lonhienne
Winzor
Coerdt
al.Structural
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Z.-M.
K.-W.
Schwizer
W.
Mechanism
host
substrate
acetylation
YopJ
family
effector.Nat.
Plants.
2017;
(28737762):
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(14)
18Hao
Collier
S.M.
Moffett
interaction
virus
X
protein
(Rx)
its
cofactor
Ran
GTPase-activating
2
(RanGAP2).J.
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288
(24194517):
35868-3587610.1074/jbc.M113.517417Abstract
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U.
Hothorn
Crystal
leucine-rich
repeat
ectodomain
SOBIR1.Acta
Crystallogr.
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similarities
innate
animals
(20Bentham
Burdett
Anderson
P.A.
Williams
Kobe
Animal
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R.E.
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22Meunier
Broz
Evolutionary
convergence
divergence
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744-75710.1016/j.it.2017.04.005Abstract
(47)
But
lack
adaptive
they
rely
solely
recognize
pests.
Conceptually,
divided
(23Wang
Feng
Tang
signaling:
advancing
two
frontiers.J.
Integr.
62
(31846204):
2-2410.1111/jipb.12898Crossref
(41)
A
full
list
structurally
associated
ligands
found
Table
1.
Cell-surface
detect
common
outside
cell
via
extracellular
domains
(ECDs)
cellular
responses
(KDs)
(39Kanyuka
Cell
surface
receptors:
guardians
plant's
spaces.Curr.
Opin.
50
(30861483):
1-810.1016/j.pbi.2019.02.005Crossref
(7)
subset
sense
damaged
“self”
surrogate
presence
(15Wang
adapted
(40van
Wersch
Tian
Hoy
NLRs:
whistleblowers
immunity.Plant
Commun.
1:
10001610.1016/j.xplc.2019.100016Abstract
Typically,
translocated
proteins
known
“effectors,”
delivered
inside
cells
modulate
physiology
promote
colonization
proliferation
(41Snelders
N.C.
Rovenich
Petti
G.C.
Rocafort
Vorholt
Mesters
J.R.
Seidl
M.F.
Nijland
Thomma
B.P.H.J.
utilizes
effector
microbiome
manipulation.bioRxiv.
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F.A.
De
la
Concepcion
J.C.
Maidment
J.H.R.
Taking
stage:
effectors
spotlight.Curr.
(28460241):
25-3310.1016/j.pbi.2017.04.013Crossref
(21)
Scholar)
(Fig.
1).
Activation
considered
robust
response
death
constrains
spread
infection.
Although
often
presented
distinct
signaling
pathways,
pathways
overlap
work
synergistically
recently
begun
emerge
(43Ngou
B.P.M.
Ahn
H.-K.
Ding
Mutual
potentiation
receptors.bioRxiv.
10.1101/2020.04.10.034173Google
44Yuan
Jiang
Bi
Nomura
He
S.Y.
Xin
X.-F.
Pattern-recognition
required
NLR-mediated
immunity.bioRxiv.
10.1101/2020.04.10.031294Google
Scholar).Table
1Structures
covered
reviewReceptorType:
Cell-surfacePlant
hostLigandLigand
typeCo-receptorPDB
codeReferencesFLS2LRR-RLKArabidopsis
thalianaflg22MAMPBAK14MN812Sun
ScholarPEPR1LRR-RLKA.
thalianaAtpepDAMPBAK15GR813Tang
ScholarCERK1LysM-RLKA.
thalianaPGNMAMPLYM3/14EBY10Liu
ScholarSOBIR1LRR-RLKA.
thalianaNAaNA,
not
applicable.NALRR-RLP,
BAK16R1H19Hohmann
ScholarBIR3PseudokinaseA.
thalianaNANABRI1/S.E.RK16FG824Hohmann
Nicolet
Moretti
L.A.
SERK3
elongated
allele
defines
role
BIR
ectodomains
brassinosteroid
signalling.Nat.
2018;
(29735985):
345-35110.1038/s41477-018-0150-9Crossref
(20)
ScholarBIK1RLCKA.
thalianaNANABAK1,
FLS25TOS25Lal
N.K.
Nagalakshmi
Hurlburt
Flores
Bak
Sone
Walley
Shan
Casteel
Fisher
A.J.
Dinesh-Kumar
S.P.
receptor-like
cytoplasmic
BIK1
localizes
nucleus
regulates
defense
hormone
expression
during
immunity.Cell
Host
Microbe.
23
(29649442):
485-497.e510.1016/j.chom.2018.03.010Abstract
(37)
ScholarCEBiPLysM-RLPOryza
sativaChitinMAMPOsCERK15JCD,
5JCE26Liu
Molecular
mechanism
wall
rice
chitin
OsCEBiP.Structure.
24
(27238968):
1192-120010.1016/j.str.2016.04.014Abstract
(38)
ScholarReceptorType:
IntracellularPlant
hostLigand(s)Ligand
codeReferencesMLA10
CCCC-NLRHordeum
vulgareNANANA3QFL,
5T1Y27Maekawa
Cheng
Spiridon
L.N.
Töller
Lukasik
Saijo
Shen
Q.H.
Micluta
Somssich
I.E.
Takken
F.L.W.
Petrescu
Schulze-Lefert
Coiled-coil
domain-dependent
homodimerization
barley
minimal
functional
module
triggering
death.Cell
9
(21402358):
187-19910.1016/j.chom.2011.02.008Abstract
(187)
28Casey
Lavrencic
Bentham
A.R.
Cesari
Croll
Turk
Mark
A.E.
Dodds
P.N.
Mobli
CC
wheat
stem
rust
Sr33
challenges
paradigms
proteins.Proc.
Natl.
Acad.
113
(27791121):
12856-1286110.1073/pnas.1609922113Crossref
ScholarPikp-1
HMACC-NLRO.
sativaAVR-PikD,
AVR-PikE,
AVR-PikA,
AVR-PiaMAX
effectorPikp-25A6W,
5A6P,
6G11,
6G10,
6Q7611Maqbool
29De
Maqbool
Polymorphic
residues
expand
binding
blast
pathogen.Nat.
(29988155):
576-58510.1038/s41477-018-0194-xCrossref
(32)
30Varden
Yoshino
Cross-reactivity
Magnaporthe
oryzae
provides
partial
resistance.J.
294
(31296569):
13006-1301610.1074/jbc.ra119.007730Abstract
ScholarPikm-1
sativaAVR-PikE,
AVR-PikDMAX
effectorPikm-26FUB,
6FUD,
6FU929De
ScholarPia
sativaAvr1-CO39MAX
effectorRGA45ZNG,
5ZNE31Guo
de
Guillen
Chalvon
Mammri
Meusnier
Bonnot
Padilla
Peng
Y.-L.
Kroj
Specific
MAX
involves
surfaces.Proc.
115
(30355769):
11637-1164210.1073/pnas.1810705115Crossref
(19)
ScholarRRS1
WRKYTIR-NLRA.
thalianaPopP2T3SERPS45W3X17Zhang
ScholarZAR1CC-NLRA.
thalianaAvr-ACT3SERKS16J5T,
6J6I,
6J5W,
6J5V14Wang
ScholarRPS4
TIRTIR-NLRA.
thalianaNANARRS14C6T,
4C6R,16Williams
thalianaNANARPS44C6T,4C6S16Williams
ScholarSNC1
thalianaNANANA5TEC32Zhang
Newman
T.E.
Raaymakers
T.M.
T.I.
Schreiber
K.J.
Staskawicz
B.J.
al.Multiple
self-association
interfaces
TIR
domains.Proc.
114
(28159890):
E2046-E205210.1073/pnas.1621248114Crossref
thalianaNANANA5H3C33Hyun
K-G.
Lee
Yoon
Yi
J.-J.
thaliana
SNC1
domain.Biochem.
Biophys.
481
(27818198):
146-15210.1016/j.bbrc.2016.11.004Crossref
ScholarSr33
CCCC-NLRAegilops
tauschiiNANANA2NCG28Casey
ScholarRPP1
thalianaNANANA5TEB32Zhang
ScholarNRC1
NB-ARCTIR-NLRSolanum
lycopersicumNANANA6S2P34Steele
J.F.C.
Hughes
R.K.
biochemical
NB-ARC
receptor.PLoS
ONE.
14
(31461469):
e022122610.1371/journal.pone.0221226Crossref
ScholarRUN1
TIRTIR-NLRVitis
rotundifoliaNANANA60OW35Horsefield
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2020,
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