Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
25(12)
Published: Dec. 1, 2024
Autophagy,
one
of
the
most
widespread
and
highly
conserved
protein
degradation
systems
in
eukaryotic
cells,
plays
an
important
role
plant
growth,
development
stress
response.
Beclin
1
is
a
core
component
phosphatidylinositol
3-kinase
(PI3K)
autophagy
complex
positively
regulates
immunity
against
viruses.
The
upregulation
Eureka
lemon
ClBeclin1
was
observed
response
to
citrus
yellow
vein
clearing
virus
(CYVCV)
infection.
However,
function
underlying
mechanism
during
CYVCV
colonisation
remain
unclear.
Here,
resistance
evaluation
overexpression
silencing
hairy
roots
revealed
it
as
positive
regulator
CYVCV.
Transcriptomic
profiling
metabolic
analyses
along
with
genetic
evidence
implied
that
triggered
reactive
oxygen
species
(ROS)-
jasmonic
acid
(JA)-mediated
citrus.
accumulation
ROS
JA
contents
attributed
autophagic
scavenger
ClAPX1
via
overexpression.
Exogenous
application
either
H
Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
25(10)
Published: Oct. 1, 2024
The
myo-inositol-1-phosphate
synthase
(MIPS)
catalyses
the
biosynthesis
of
myo-inositol,
an
important
sugar
that
regulates
various
physiological
and
biochemical
processes
in
plants.
Here,
we
provide
evidence
host
(SlMIPS1)
pathogen
(Rs_MIPS)
genes
are
required
for
successful
infection
Rhizoctonia
solani,
a
devastating
necrotrophic
fungal
pathogen,
tomato.
Silencing
either
SlMIPS1
or
Rs_MIPS
prevented
disease,
whereas
exogenous
spray
myo-inositol
enhanced
disease
severity.
was
upregulated
upon
R.
solani
infection,
potentially
promoted
source-to-sink
transition,
induced
SWEET
gene
expression,
facilitated
availability
infected
tissues.
In
addition,
salicylic
acid
(SA)-jasmonic
homeostasis
altered
SA-mediated
defence
suppressed;
therefore,
promoted.
On
other
hand,
silencing
limited
to
prevent
infection.
Virus-induced
NPR1,
key
SA
signalling,
rendered
SlMIPS1-silenced
tomato
lines
susceptible
These
analyses
suggest
induction
imparts
tolerance
lines.
present
negatively
regulate
each
modulate
response.
treatment
reduced
expression
content
tomato,
defence.
We
emphasize
downregulation
host/pathogen
MIPS
can
be
strategy
controlling
diseases
caused
by
agriculturally
crops.
Modern Agriculture,
Journal Year:
2024,
Volume and Issue:
2(2)
Published: Nov. 7, 2024
ABSTRACT
Pesticides
play
a
crucial
role
in
safeguarding
crops
against
pathogens
and
pests,
yet
the
limited
bioavailability
of
conventional
formulations
leads
to
excessive
usage,
causing
environmental
health
concerns.
In
this
study,
we
developed
novel
intelligent
response‐controlled
release
nano‐pesticide,
Vali@mPEG‐TK‐COS,
by
coupling
chitosan
oligosaccharide
(COS),
plant
immunity
regulator,
methoxy
polyethylene
glycols
(mPEG)
at
either
end
thioketal
(TK),
material
responsive
reactive
oxygen
species
(ROS),
incorporating
validamycin
(Vali)
for
controlled
release.
Vali@mPEG‐TK‐COS
exhibits
ROS‐responsive
behaviour,
releasing
Vali
COS
response
ROS
bursts,
exhibiting
dual
capabilities
pathogen
control
induction
during
pathogenic
attacks.
Plant
disease
experiments
confirmed
superior
efficacy
Rhizoctonia
solani,
surpassing
effects
or
alone.
This
study
presents
sophisticated
controlled‐release
nano‐pesticide
with
fungicidal
immunomodulatory
properties,
offering
an
advanced
strategy
enhance
efficiency
existing
pesticides
promote
sustainable
crop
production
reducing
overall
pesticide
usage.
Pathogenic
diseases
among
crops
are
the
major
reason
of
huge
crop
loss
globally.
This
has
led
to
an
urgent
need
develop
varieties
which
could
withstand
infestation
and
changing
environment
around.
Conventional
breeding
methods
effective
extent
but
time-consuming
have
certain
limitations
when
it
comes
incorporation
specific
traits
that
not
present
within
species
or
due
their
compatibility.
Currently,
identification
genes
either
impart
resistance
be
responsible
for
susceptibility
is
challenge.
Genomics,
transcriptomics,
proteomics,
phenomics,
metabolomics,
ionomics
latest
approaches
used
achieve
this
challenge,
individual
application
cannot
pinpoint
involved
in
various
pathways
during
plant-pathogen
interaction
crops.
However,
multi-omics
approach
serve
purpose
identifying
specifically
trait-oriented
complemented
with
against
pathogen.
These
findings
combined
genome
editing
can
boost
defense
system
host
plant
pathogenic
invasions
result
desired
agronomic
yield
traits.
Forests,
Journal Year:
2023,
Volume and Issue:
14(6), P. 1277 - 1277
Published: June 20, 2023
Drought
affects
the
growth
and
production
of
Fraxinus
tree
species,
such
as
precious
woody
plant
mandshurica.
Based
on
interspecific
hybrid
F1
combinations,
D110
plants
F.
mandshurica
×
americana
with
strong
drought
resistance
were
selected
for
this
study.
To
further
reveal
their
heterosis
mechanism
under
drought,
in
study,
an
analysis
was
conducted
pertaining
to
physiological
indexes
gene
expression
related
key
changes
materials
5
yr
seedlings
female
male
parental
controls
(D113
4–3)
response
well
addition
sodium
nitrate
(SNP,
a
donor
nitric
oxide)
methyl
jasmonate
(MJ,
jasmonate)
signal
molecules
after
drought.
The
results
showed
that
stress,
performed
significantly
better
than
parents,
especially
compared
D113,
(the
height
29.48%
higher),
photosynthesis
net
photosynthetic
rate
38.4%
peroxidation
increase
MDA
content
71.77%
lower),
defense
enzyme
activity
(SOD
POD
activities
36.63%
65.58%
hormone
contents
(ABA,
IAA
GA
33.9%~51.2%
higher)
LHY
TOC1
rhythmic
genes
131.97%~165.81%
higher).
When
exogenous
additive
agent
(SNP
or
MJ)
applied
negative
effects
effectively
alleviated
increased
from
22.76%
22.32%
comparison
conditions);
meanwhile,
higher
parents.
Further
SNP
MJ
also
indicated
can
recover
faster
parents
application
MJ.
This
article
provides
new
ideas
revealing
hybrids
supplies
effective
measures
improving
Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
25(12)
Published: Dec. 1, 2024
Autophagy,
one
of
the
most
widespread
and
highly
conserved
protein
degradation
systems
in
eukaryotic
cells,
plays
an
important
role
plant
growth,
development
stress
response.
Beclin
1
is
a
core
component
phosphatidylinositol
3-kinase
(PI3K)
autophagy
complex
positively
regulates
immunity
against
viruses.
The
upregulation
Eureka
lemon
ClBeclin1
was
observed
response
to
citrus
yellow
vein
clearing
virus
(CYVCV)
infection.
However,
function
underlying
mechanism
during
CYVCV
colonisation
remain
unclear.
Here,
resistance
evaluation
overexpression
silencing
hairy
roots
revealed
it
as
positive
regulator
CYVCV.
Transcriptomic
profiling
metabolic
analyses
along
with
genetic
evidence
implied
that
triggered
reactive
oxygen
species
(ROS)-
jasmonic
acid
(JA)-mediated
citrus.
accumulation
ROS
JA
contents
attributed
autophagic
scavenger
ClAPX1
via
overexpression.
Exogenous
application
either
H