International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 13099 - 13099
Опубликована: Дек. 5, 2024
Plant
diseases
diminish
crop
yields
and
put
the
world's
food
supply
at
risk.
elicitor
peptides
(Peps)
are
innate
danger
signals
inducing
defense
responses
both
naturally
after
external
application
onto
plants.
Pep-triggered
networks
compatible
with
pattern-triggered
immunity
(PTI).
Nevertheless,
in
complex
regulatory
pathways,
there
is
crosstalk
among
different
signaling
involving
noncoding
RNAs
natural
response
to
pathogen
attack.
Here,
we
used
Plants,
Год журнала:
2023,
Номер
12(17), С. 3173 - 3173
Опубликована: Сен. 4, 2023
Iron
is
an
essential
element
required
for
the
growth
and
survival
of
nearly
all
forms
life.
It
serves
as
a
catalytic
component
in
multiple
enzymatic
reactions,
such
photosynthesis,
respiration,
DNA
replication.
However,
excessive
accumulation
iron
can
result
cellular
toxicity
due
to
production
reactive
oxygen
species
(ROS)
through
Fenton
reaction.
Therefore,
maintain
homeostasis,
organisms
have
developed
complex
regulatory
network
at
molecular
level.
Besides
catalyzing
redox
also
regulates
virulence-associated
functions
several
microbial
pathogens.
Hosts
pathogens
evolved
sophisticated
strategies
compete
against
each
other
over
resources.
Although
role
pathogenesis
animals
has
been
extensively
studied,
mechanistic
insights
into
phytopathogenic
microbe-plant
associations
remain
poorly
understood.
Recent
intensive
research
provided
intriguing
plant-pathogen
interactions.
This
review
aims
describe
recent
advances
understanding
lifestyle
virulence
microbes,
focusing
on
bacteria
host
immune
responses.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Ноя. 23, 2023
Interactions
between
rice
plants
(
Oryza
sativa
L.)
and
brown
planthoppers
Nilaparvata
lugens
Stål,
BPHs)
are
used
as
a
model
system
to
study
the
molecular
mechanisms
underlying
plant-insect
interactions.
Small
RNAs
(sRNAs)
regulate
growth,
development,
immunity,
environmental
responses
in
eukaryotic
organisms,
including
insects.
Recent
research
suggests
that
sRNAs
play
significant
roles
rice-BPH
interactions
by
mediating
post-transcriptional
gene
silencing.
The
focus
of
this
review
is
explore
highlight
recent
progress
unraveling
mechanism
cross-kingdom
RNA
interference
(ckRNAi)
host
insects
application
ckRNAi
pest
management
crops
rice.
summarized
here
will
aid
development
safe
effective
BPH
control
strategies.
Frontiers in Bioscience-Elite,
Год журнала:
2023,
Номер
15(4), С. 22 - 22
Опубликована: Окт. 16, 2023
Background:
Currently,
the
role
of
microRNAs
in
plant
immune
responses
is
being
actively
studied.
Thus,
our
aim
was
to
research
effect
Stagonospora
nodorum
(Berk.)
NEs
SnToxA
and
SnTox3
on
expression
miRNAs
involved
wheat–S.
interaction
determine
phytohormones
this
process.
Methods:
The
expressions
nine
conserved
were
studied
by
quantitative
real-time
polymerase
chain
reaction
three
different
wheat
genotypes
bread
spring
(Triticum
aestivum
L.)
infected
with
S.
nodorum.
Phytohormone
treatments
(trans-zeatin,
2-chloroethylphosphonic
acid
(etefone
chemical
precursor
ethylene),
salicylic
acid)
applied.
results
compared
disease
symptoms,
redox
status
plants,
fungal
necrotrophic
effector
(NE)
genes
SnPf2,
SnStuA,
alongside
SnCon7
transcription
factors
(TFs).
Results:
Salicylic
(SA)
cytokinins
(CK)
are
development
defense
reactions
plants
against
nodorum,
regulating
TFs
genes,
inducing
an
oxidative
burst
all
genotypes.
Moreover,
ethylene
enhanced
virulence
pathogen
increasing
NE
TF
thereby
resulting
a
decrease
generation
reactive
oxygen
species
cultivars.
played
resistance
mainly
suppressed
miRNAs:
miR159,
miR393,
miR408,
while
miR166
expression.
Conversely,
treatment
CK
SA
increased
miR159
miR408;
miR393
miR166.
Ethylene
inhibited
Suppression
miP159
most
likely
associated
activation
signaling
pathway.
whose
consisted
inhibiting
catalase
activity,
via
regulation.
In
addition,
hijacked
pathway
manipulated
it
for
growth
development.
Fungal
SnPf2
SnStuA
could
be
regulation
these
processes
indirectly
through
genes.
Conclusions:
work
show,
first
time,
activity
microRNAs.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2017,
Номер
unknown
Опубликована: Ноя. 7, 2017
SUMMARY
Pseudomonas
syringae
type
III
effectors
were
previously
shown
to
suppress
the
Arabidopsis
microRNA
(miRNA)
pathway
through
unknown
mechanisms.
Here,
we
first
show
that
HopT1-1
effector
promotes
bacterial
growth
by
suppressing
Argonaute
1
(AGO1)-dependent
miRNA
pathway.
We
further
demonstrate
interacts
with
AGO1
conserved
glycine/tryptophan
(GW)
motifs,
and
in
turn
suppresses
function.
This
process
is
not
associated
a
general
decrease
accumulation.
Instead,
reduces
level
of
AGO1-associated
miRNAs
GW-dependent
manner.
Therefore,
alters
AGO1-miRISC
activity,
rather
than
biogenesis
or
stability.
In
addition,
AGO1-binding
platform
essential
production
reactive
oxygen
species
(ROS)
callose
deposits
during
Pattern-triggered
immunity
(PTI).
These
data
imply
RNA
silencing
suppression
activity
intimately
coupled
its
virulence
Overall,
these
findings
provide
sound
evidence
has
evolved
directly
target
plant
AGO
protein
PTI
cause
disease.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 13099 - 13099
Опубликована: Дек. 5, 2024
Plant
diseases
diminish
crop
yields
and
put
the
world's
food
supply
at
risk.
elicitor
peptides
(Peps)
are
innate
danger
signals
inducing
defense
responses
both
naturally
after
external
application
onto
plants.
Pep-triggered
networks
compatible
with
pattern-triggered
immunity
(PTI).
Nevertheless,
in
complex
regulatory
pathways,
there
is
crosstalk
among
different
signaling
involving
noncoding
RNAs
natural
response
to
pathogen
attack.
Here,
we
used
