Journal of Integrative Plant Biology,
Journal Year:
2024,
Volume and Issue:
66(9), P. 2000 - 2016
Published: June 24, 2024
ABSTRACT
Rice
stripe
mosaic
virus
(RSMV)
is
an
emerging
pathogen
which
significantly
reduces
rice
yields
in
the
southern
region
of
China.
It
transmitted
by
leafhopper
Recilia
dorsalis
,
overwinters
fields.
Our
field
investigations
revealed
that
RSMV
infection
causes
delayed
heading,
resulting
a
large
number
green
diseased
plants
remaining
winter
This
creates
favorable
environment
for
leafhoppers
and
viruses
to
overwinter,
potentially
contributing
rapid
spread
epidemic
disease.
Next,
we
explored
mechanism
manipulates
developmental
processes
plant.
A
heading‐related
E3
ubiquitin
ligase,
Heading
date
Associated
Factor
1
(HAF1),
was
found
be
hijacked
RSMV‐encoded
P6.
The
impairment
HAF1
function
affects
ubiquitination
degradation
downstream
proteins,
HEADING
DATE
EARLY
FLOWERING3,
leading
delay
heading.
results
provide
new
insights
into
development
regulation‐based
molecular
interactions
between
plant,
highlights
importance
understanding
virus‐vector‐plant
tripartite
effective
disease
management
strategies.
Journal of Integrative Plant Biology,
Journal Year:
2023,
Volume and Issue:
66(3), P. 579 - 622
Published: Nov. 4, 2023
Plant
viruses
are
a
group
of
intracellular
pathogens
that
persistently
threaten
global
food
security.
Significant
advances
in
plant
virology
have
been
achieved
by
Chinese
scientists
over
the
last
20
years,
including
basic
research
and
technologies
for
preventing
controlling
viral
diseases.
Here,
we
review
these
milestones
advances,
identification
new
crop-infecting
viruses,
dissection
pathogenic
mechanisms
multiple
examination
multilayered
interactions
among
their
host
plants,
virus-transmitting
arthropod
vectors,
in-depth
interrogation
plant-encoded
resistance
susceptibility
determinants.
Notably,
various
virus-based
vectors
also
successfully
developed
gene
function
studies
target
expression
plants.
We
recommend
future
China.
Plant Communications,
Journal Year:
2023,
Volume and Issue:
4(5), P. 100626 - 100626
Published: May 11, 2023
Rice
blast,
caused
by
Magnaporthe
oryzae,
is
one
of
the
most
devastating
diseases
rice.
During
infection,
M.
oryzae
secretes
effectors
to
facilitate
blast
development.
Among
these
effectors,
avirulence
factor
AvrPi9
recognized
Pi9,
a
broad-spectrum
resistance
protein
that
triggers
Pi9-mediated
in
However,
little
known
about
interaction
between
and
Pi9
how
exerts
virulence
promote
infection.
In
this
study,
we
found
ectopic
expression
Pi9-lacking
cultivar
TP309
suppressed
basal
against
oryzae.
Furthermore,
identified
an
AvrPi9-interacting
rice,
which
named
OsRGLG5,
encoding
functional
RING-type
E3
ubiquitin
ligase.
was
ubiquitinated
degraded
OsRGLG5.
Meanwhile,
affected
stability
Infection
assays
revealed
OsRGLG5
positive
regulator
but
it
not
essential
for
conclusion,
our
results
targeted
effector
positively
regulates
rice
blast.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 13, 2024
Abstract
Defence
against
pathogens
relies
on
intracellular
nucleotide-binding,
leucine-rich
repeat
immune
receptors
(NLRs)
in
plants.
Hormone
signaling
including
abscisic
acid
(ABA)
pathways
are
activated
by
NLRs
and
play
pivotal
roles
defence
different
pathogens.
However,
little
is
known
about
how
hormone
plant
receptors.
Here,
we
report
that
a
NLR
Sw-5b
mimics
the
behavior
of
ABA
receptor
directly
employs
central
regulator
PP2C-SnRK2
complex
to
activate
an
ABA-dependent
viral
PP2C4
interacts
with
constitutively
inhibits
SnRK2.3/2.4.
Behaving
similar
manner
as
receptor,
pathogen
effector
ligand
recognition
triggers
conformational
change
enables
binding
via
NB
domain.
This
receptor-PP2C4
interferes
interaction
between
SnRK2.3/2.4,
thereby
releasing
SnRK2.3/2.4
from
inhibition
ABA-specific
antiviral
immunity.
These
findings
provide
important
insights
into
activation
Journal of Integrative Plant Biology,
Journal Year:
2022,
Volume and Issue:
65(3), P. 854 - 875
Published: Oct. 29, 2022
NAC
transcription
factors
(TFs)
play
critical
roles
in
plant
immunity
by
modulating
the
expression
of
downstream
genes
via
binding
to
specific
cis-elements
promoters.
Here,
we
report
function
and
regulatory
network
a
pathogen-
defense
phytohormone-inducible
TF
gene,
ONAC083,
rice
(Oryza
sativa)
immunity.
ONAC083
localizes
nucleus
exhibits
transcriptional
activation
activity
that
depends
on
its
C-terminal
region.
Knockout
enhances
against
Magnaporthe
oryzae,
strengthening
pathogen-induced
responses,
boosting
chitin-induced
pattern-triggered
(PTI),
whereas
overexpression
has
opposite
effects.
We
identified
ONAC083-binding
sites
promoters
82
genes,
showed
specifically
binds
conserved
element
with
core
sequence
ACGCAA.
activated
OsRFPH2-6,
OsTrx1,
OsPUP4
directly
ACGCAA
element.
encoding
RING-H2
protein
an
N-terminal
transmembrane
region
typical
RING
domain,
negatively
regulated
M.
oryzae
chitin-triggered
PTI.
These
data
demonstrate
contributes
activating
OsRFPH2-6
through
promoter.
Overall,
our
study
provides
new
insight
into
molecular
TFs
Plant and Cell Physiology,
Journal Year:
2022,
Volume and Issue:
63(10), P. 1405 - 1413
Published: July 21, 2022
Abstract
Ubiquitination
is
an
essential
posttranslational
modification
and
plays
a
crucial
role
in
regulating
plant
immunity
by
modulating
protein
activity,
stability,
abundance
interaction.
Recently,
major
breakthroughs
have
been
made
understanding
the
mechanisms
associated
with
regulation
of
immune
signaling
ubiquitination.
In
this
mini
review,
we
highlight
recent
advances
ubiquitination
fine-tuning
resistance
activated
pattern
recognition
receptors
(PRRs)
intracellular
nucleotide-binding
site
leucine-rich
repeat
domain
(NLRs).
We
also
discuss
current
positive
ubiquitination,
including
negative
regulators
guardee
proteins
monitored
NLRs.
Journal of Integrative Plant Biology,
Journal Year:
2024,
Volume and Issue:
66(7), P. 1459 - 1480
Published: April 17, 2024
ABSTRACT
Ubiquitination‐mediated
protein
degradation
is
integral
to
plant
immunity,
with
E3
ubiquitin
ligases
acting
as
key
factors
in
this
process.
Here,
we
report
the
functions
of
OsATL32,
a
plasma
membrane‐localized
Arabidopsis
Tóxicos
En
Levadura
(ATL)‐type
ligase,
rice
(
Oryza
sativa
)
immunity
and
its
associated
regulatory
network.
We
found
that
expression
OsATL32
downregulated
both
compatible
incompatible
interactions
between
blast
fungus
Magnaporthe
oryzae
.
The
level
declines
response
infection
by
M.
strain
or
chitin
treatment.
negatively
regulates
resistance
bacterial
leaf
blight
diseases,
well
chitin‐triggered
immunity.
Biochemical
genetic
studies
revealed
suppresses
pathogen‐induced
reactive
oxygen
species
(ROS)
accumulation
mediating
ubiquitination
ROS‐producing
OsRac5–OsRbohB
module,
which
enhances
against
phosphatase
PHOSPHATASE
AND
TENSIN
HOMOLOG
dephosphorylating
promoting
degradation,
preventing
negative
effect
on
This
study
provides
insights
into
molecular
mechanism
ligase
targets
module
undermine