Asian Journal of Advances in Agricultural Research,
Journal Year:
2024,
Volume and Issue:
24(12), P. 65 - 74
Published: Dec. 30, 2024
Biotic
stresses
include
the
infestation
of
crops
by
an
array
pathogenic
microbes
like
bacteria,
viruses,
fungi,
nematodes,
and
insect
pests.
Pathogenic
have
always
threatened
crop
plants
their
produce.
With
growing
global
population
changing
environmental
conditions,
there
is
a
need
for
that
can
tolerate
stress.
Over
years,
significant
progress
has
been
made
in
elucidating
functional
role
major
transcription
factors
(TFs)
families
plant
disease
resistance.
Among
TFs,
APETALA2/ethylene
response
factor
(AP2/ERF)
family
members
emerged
as
pivotal
regulators
growth,
development,
responses
to
stresses.
AP2/ERF
are
key
resistance,
integrating
pathogen
signals
mediate
salicylic
acid
(SA),
jasmonic
(JA),
ethylene
(ET)
pathways,
activate
defense
genes,
enhance
reactive
oxygen
species
(ROS)
production,
modulate
cell
wall
defenses
effective
immune
responses.
They
influence
modulating
hypersensitive
reactions
serving
virulence
targets
effectors.
By
enhancing
responses,
TFs
contribute
developing
genetically
improved
with
increased
resistance
biotrophic
necrotrophic
pathogens,
thereby
reducing
losses
improving
yield
stability
under
pressure.
This
review
offers
comprehensive
overview
current
understanding
microbial
pathogens
acting
downstream
mitogen-activated
protein
kinase
(MAPK)
cascades.
It
also
emphasizes
recent
developments
outlines
future
research
directions
PLANT PHYSIOLOGY,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 7, 2024
Apple
replant
disease
(ARD)
is
a
worldwide
problem
that
threatens
the
industry.
However,
genetic
mechanism
underlying
plant
resistance
against
ARD
remains
unclear.
In
this
study,
negative
regulatory
microRNA
in
Malus
domestica,
mdm-miR397b
\,
and
its
direct
target
MdLAC7b
(Laccase)
was
selected
for
examination
based
on
our
previous
small
RNA
degradome
sequencing
results.
Overexpressing
mdm-miR397b-MdLAC7b
module
altered
lignin
deposition
JA
contents
apple
roots,
which
also
led
to
increased
Fusarium
solani.
Additionally,
Y1H
library
screening
using
promoter
recombinants
identified
transcription
factor,
MdERF61,
represses
transcriptional
activity
by
directly
binding
two
GCC-boxes
promoter.
summary,
results
suggest
MdERF61-mdm-miR397b-MdLAC7b
plays
crucial
role
F.
solani
offers
insights
enhancing
soilborne
diseases
apple.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 26, 2024
Abstract
Soilborne
pathogens
can
be
highly
devastating,
and
clubroot,
caused
by
Plasmodiophora
brassicae
,
is
particularly
destructive
to
cruciferous
plants.
Although
many
AP2/ERF
family
transcription
factors
(TFs)
have
crucial
physiological
functions,
very
little
known
regarding
their
functions
in
the
context
of
soilborne
diseases.
Here
we
investigated
roles
AINTEGUMENTA-LIKE
7
(AIL7),
an
AIL
sub-family
TF
family,
plant
immunity
against
clubroot.
Unexpectedly,
both
AIL7
overexpression
mutant
Arabidopsis
lines
exhibited
increased
tolerance
P.
.
Subsequent
analysis
revealed
significant
transcriptional
alterations
genes
linked
pathogen
response,
along
with
notable
differences
associated
salicylic
acid
(SA)
jasmonic
(JA)
defense
pathways,
compared
wild-type
Interestingly,
there
was
a
tendency
for
up-regulation
SA-
JA-related
absence,
rather
than
presence,
phytohormone
analyses
confirmed
these
results.
Taken
together,
has
important
role
maintaining
constitutive
systemic
acquired
resistance,
involving
mediated
defense,
this,
accumulation
SA
following
challenge,
primes
plants
improved
clubroot
which
would
shed
light
on
exploring
other
TFs
pathogens.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
SUMMARY
Lupins
are
key
grain
legumes
for
future
crop
production,
providing
highly
sustainable
protein,
essential
in
the
face
of
global
warming,
food
security
challenges,
and
need
agriculture.
Despite
their
potential,
lupin
crops
frequently
devastated
by
Colletotrichum
lupini
,
a
member
world’s
top
ten
fungal
pathogenic
genera.
In
our
previous
study,
we
identified
LluR1
first
C.
resistance
gene,
wild
Lupinus
luteus
accession.
Further
research
was
necessary
to
unravel
defense
mechanisms
involved.
Histological
analysis
revealed
hypersensitive
response
against
while
transcriptome
highlighted
complex
network
differentially
expressed
genes,
including
TIR-NBS-LRR
proteins,
response,
phenylpropanoid
pathways.
SNPs
were
that
distinguish
protein
sequences
underlying
immunity.
These
findings,
along
with
orthology
other
species,
offer
valuable
insights
developing
breeding
strategies
enhance
lupins,
significant
potential
impacts
on
food,
feed,
human
nutrition.
Genes,
Journal Year:
2024,
Volume and Issue:
16(1), P. 2 - 2
Published: Dec. 24, 2024
Hazelnut
(Corylus),
a
significant
woody
oil
tree
species
in
economic
forests,
faces
production
constraints
due
to
biotic
stresses,
with
Husk
Brown
Rot,
caused
by
the
pathogenic
necrotrophic
fungus
Botrytis
cinerea
(B.
cinerea),
being
most
severe.
To
date,
limited
information
is
available
regarding
resistance
of
hazelnuts
B.
cinerea.
better
understand
mechanisms
hazelnut,
we
conducted
metabolomics
and
WGCNA
analyses
cinerea-resistant
Ping'ou
hybrid
hazelnut
variety
(Dawei;
DW)
susceptible
(Qiuxiang;
QX).
In
this
study,
weighted
gene
co-expression
network
analysis
(WGCNA,
correlation
analysis)
were
applied
elucidate
underlying
different
varieties
Our
study
focused
on
metabolome
profiles
DW
QX
plants
after
72
h
infection.
Venn
QX_0
vs.
DW_0
QX_72
DW_72
revealed
120
differential
accumulation
metabolites
(DAMs)
that
upregulated.
Among
these
metabolites,
concentrations
flavonoids
phenolic
acids
significantly
higher
than
those
QX,
respectively,
suggesting
elevated
levels
compounds
contribute
substantially
against
3,4-hydroxyphenyllactic
acid
phloretin
more
abundant
infection
This
provides
(flavonoids
acids)
Furthermore,
identified
as
pivotal
modulating
Through
analyses,
four
transcription
factors
(WRKY19,
HSFC1,
ERF071,
RAP2-1)
are
likely
regulate
synthesis
3,4-dihydroxyphenyllactic
phloretin.
crucial
insights
for
further
investigation
into
regulatory
associated
Asian Journal of Advances in Agricultural Research,
Journal Year:
2024,
Volume and Issue:
24(12), P. 65 - 74
Published: Dec. 30, 2024
Biotic
stresses
include
the
infestation
of
crops
by
an
array
pathogenic
microbes
like
bacteria,
viruses,
fungi,
nematodes,
and
insect
pests.
Pathogenic
have
always
threatened
crop
plants
their
produce.
With
growing
global
population
changing
environmental
conditions,
there
is
a
need
for
that
can
tolerate
stress.
Over
years,
significant
progress
has
been
made
in
elucidating
functional
role
major
transcription
factors
(TFs)
families
plant
disease
resistance.
Among
TFs,
APETALA2/ethylene
response
factor
(AP2/ERF)
family
members
emerged
as
pivotal
regulators
growth,
development,
responses
to
stresses.
AP2/ERF
are
key
resistance,
integrating
pathogen
signals
mediate
salicylic
acid
(SA),
jasmonic
(JA),
ethylene
(ET)
pathways,
activate
defense
genes,
enhance
reactive
oxygen
species
(ROS)
production,
modulate
cell
wall
defenses
effective
immune
responses.
They
influence
modulating
hypersensitive
reactions
serving
virulence
targets
effectors.
By
enhancing
responses,
TFs
contribute
developing
genetically
improved
with
increased
resistance
biotrophic
necrotrophic
pathogens,
thereby
reducing
losses
improving
yield
stability
under
pressure.
This
review
offers
comprehensive
overview
current
understanding
microbial
pathogens
acting
downstream
mitogen-activated
protein
kinase
(MAPK)
cascades.
It
also
emphasizes
recent
developments
outlines
future
research
directions