Plants,
Год журнала:
2024,
Номер
13(23), С. 3275 - 3275
Опубликована: Ноя. 22, 2024
Plant
nucleotide-binding
leucine-rich
repeat
immune
receptor
genes
(NLRs)
play
an
important
role
in
plant
defenses
against
pathogens,
pathogenic
nematodes,
and
piercing-sucking
herbivores.
However,
little
is
known
about
their
functions
chewing
Here,
we
identified
a
plasma
membrane-localized
coiled-coil-type
NLR
protein,
OsPik-2-like,
whose
transcript
levels
were
induced
by
the
infestation
of
rice
leaf
folder
(LF,
Plant Stress,
Год журнала:
2024,
Номер
13, С. 100514 - 100514
Опубликована: Июнь 13, 2024
Twig
blight
is
a
highly
destructive
disease
primarily
caused
by
Pestalotiopsis
versicolor.
It
affects
bayberry
(Myrica
rubra)
cultivation
and
production.
However,
the
molecular
regulatory
defence
responses
to
twig
remain
unclear.
We
inoculated
susceptible
cultivar
variety
with
P.
versicolor
XJ27
carefully
profiled
development.
The
index
increased
sharply
following
inoculation.
conducted
integrative
transcriptomic
metabolomic
analyses
track
key
genes
secondary
changes
in
leaves.
Herein,
we
identified
9588
differentially
expressed
(DEGs)
748
accumulated
metabolites
(DAMs).
Of
these,
seven
structural
(including
L-phenylalanine,
coniferin,
p-coumaric
acid,
cinnamaldehyde,
eleutheroside
B,
ferulaldehyde,
isoeugenol)
related
lignin
biosynthesis
markedly
pathogen
infection.
These
observations
suggest
that
may
facilitate
blight.
Quantitative
real-time
PCR
analysis
further
confirmed
higher
expression
levels
of
pivotal
synthesis
infected
In
addition,
foliar
xylem
formation
leaves
provided
evidence
was
enhanced
during
response
findings
not
only
provide
effective
management
strategies
for
but
also
promote
breeding
high-quality
resistant
varieties.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 8, 2025
Feeding
and
oviposition
by
phytophagous
insects
are
both
known
to
trigger
defenses
in
plants.
Whether
these
two
functionally
interact
remains
poorly
studied,
although
interactions
likely
important
for
pests
with
overlapping
generations.
Here
we
investigated
the
differences
interaction
between
feeding-
oviposition-induced
plant
triggered
brown
planthopper
(BPH,
Nilaparvata
lugens),
which
gregariously
feeds
oviposits
on
rice.
Analyses
of
host-plant
transcriptomes,
phytohormones,
direct
indirect
defense
compounds
all
show
that
BPH
gravid
females
(GFs),
but
not
nymphs
non-gravid
(NFs),
strongly
induce
rice
defenses.
GFs
prefer
feed
plants
previously
infested
over
un-attacked
plants,
repelled
GFs.
Moreover,
nymph
feeding
is
found
reduce
attractiveness
natural
enemies
decrease
egg
parasitism
suppressing
GF-induced
volatiles
mediate
growth
chambers
paddies.
Intergenerational
oviposition-
feeding-induced
only
promote
development
population
pest
may
also
contribute
aggregation
behavior
authors
females,
Aggregation
female
adults
benefits
herbivore
disarming
plants'
Insect Molecular Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Abstract
Dual
oxidase
(
Duox
)
is
well‐known
for
its
role
in
immunity
and
tyrosine
cross‐linking
activity
across
various
biological
processes
from
mammals
to
holometabolous
insects.
Nevertheless,
function
hemimetabolous
insects
remains
poorly
understood.
In
this
study,
we
explored
the
physiological
roles
of
gene
a
insect,
brown
planthopper,
one
most
devastating
rice
pests.
A
comprehensive
analysis
spatiotemporal
expression
pattern
was
conducted.
RNA
interference
(RNAi)‐mediated
silencing
led
moulting
defects
nymphs,
wing
abnormalities
impaired
feeding
adults
reduced
hatchability
eggs.
Additionally,
knockdown
significantly
hydrogen
peroxide
(H
2
O
levels
premoulting
nymphs
female
ovaries.
These
findings
highlight
indispensable
moulting,
hatching,
expansion
behaviours
shedding
light
on
relationship
between
H
production
cuticle
structural
stability.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
26(1), С. 169 - 169
Опубликована: Дек. 28, 2024
Glucose-6-phosphate
isomerase
(PGI),
a
key
enzyme
that
catalyzes
the
reversible
conversion
of
glucose-6-phosphate
and
fructose-6-phosphate,
plays
an
important
role
in
plant
growth,
development,
responses
to
abiotic
stresses
pathogen
infections.
However,
whether
how
PGI
modulates
herbivore-induced
defenses
remain
largely
unknown.
The
Brown
planthopper
(BPH,
