Plant disease resistance outputs regulated by AP2/ERF transcription factor family
Stress Biology,
Год журнала:
2024,
Номер
4(1)
Опубликована: Янв. 2, 2024
Abstract
Plants
have
evolved
a
complex
and
elaborate
signaling
network
to
respond
appropriately
the
pathogen
invasion
by
regulating
expression
of
defensive
genes
through
certain
transcription
factors.
The
APETALA2/ethylene
response
factor
(AP2/ERF)
family
members
been
determined
as
key
regulators
in
growth,
development,
stress
responses
plants.
Moreover,
growing
body
evidence
has
demonstrated
critical
roles
AP2/ERFs
plant
disease
resistance.
In
this
review,
we
describe
recent
advances
for
function
defense
against
microbial
pathogens.
We
summarize
that
are
involved
resistance
acting
downstream
mitogen
activated
protein
kinase
(MAPK)
cascades,
associated
with
hormonal
pathways,
biosynthesis
secondary
metabolites,
formation
physical
barriers
an
MAPK-dependent
or
-independent
manner.
present
review
provides
multidimensional
perspective
on
functions
resistance,
which
will
facilitate
understanding
future
investigation
immunity.
Язык: Английский
Novel Regulators and Their Epistatic Networks in Arabidopsis' Defence Responses to Alternaria alternata Infection
Molecular Plant Pathology,
Год журнала:
2025,
Номер
26(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Necrotrophic
pathogens
cause
serious
threats
to
agricultural
crops,
and
understanding
the
resistance
genes
their
genetic
networks
is
key
breeding
new
plant
cultivars
with
better
traits.
Although
Alternaria
alternata
causes
black
spot
in
important
leafy
brassica
vegetables,
leads
significant
loss
of
yield
food
quality,
little
known
about
plant–
A.
interactions.
In
this
study,
we
used
a
unique
large
collection
single,
double
triple
mutant
lines
defence
metabolite
regulators
Arabidopsis
explore
how
these
transcription
factors
epistatic
may
influence
infections.
This
identified
nine
novel
20
pairs
interactions
that
modulate
plants'
responses
infection.
We
further
showed
glucosinolate
4‐methoxy‐indol‐3‐ylmethyl
only
consistently
responsive
infection
Col‐0
ecotype.
With
exploration
on
modulating
accumulation
glucosinolates
under
infection,
an
inverted
triangle
regulatory
model
was
proposed
for
at
metabolic
level
phenotypic
level.
Язык: Английский
Arabidopsis thaliana accumulates dehydroepiandrosterone after infection with phytopathogenic fungi – effects on plants and fungi.
Plant Physiology and Biochemistry,
Год журнала:
2025,
Номер
unknown, С. 109570 - 109570
Опубликована: Янв. 1, 2025
Язык: Английский
16S rDNA sequencing combined with metabolomic probes to investigate the effects of Salmonella Pullorum on gut microbes and metabolites in broilers
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Март 5, 2025
Pullorum
disease
(PD)
caused
by
Salmonella
(SP)
results
in
high
mortality
chicks
and
potential
carriers
adult
chickens,
negatively
affecting
growth
egg
production.
This
study
identified
SP
infection
100-day-old
White
Plymouth
Rock
hens
serum
plate
agglutination
fecal
anal
swab
polymerase
chain
reaction.
SP-infected
broilers
were
classified
into
positive
(P)
negative
(N)
groups
using
hematoxylin-and-eosin
staining,
metabolome
sequencing,
16S
rDNA
to
investigate
the
effects
of
on
metabolites
microorganisms
cecum
broilers.
Groups
had
different
degrees
inflammatory
cell
infiltration
cecum,
spleen,
liver,
lung
tissues.
The
diversity
bacterial
flora
P
N
differed
significantly
(P
<
0.05).
o__Lactobacillales
o__Verrucomicrobiota
higher
Group
than
At
genus
level,
g__Akkermansia
was
Metabolome
sequencing
contents
screened
77
differential
at
secondary
metabolite
level.
11
metabolites,
including
2,4-dimethylbenzaldehyde,
3a,6b,7b,12a-tetrahydroxy-5b-cholanoic
acid,
LysoPG
19:1,
differentially
expressed
A
combined
analysis
cecal
content
metabolomics
28
genera
associated
with
38
Specific
such
as
Corynebacterium
Roseobacter
have
particularly
prominent
metabolites.
These
findings
highlight
significant
alterations
gut
microbial
composition
metabolic
functions
due
infection.
taxa
this
may
provide
insights
underlying
mechanisms
PD
pathogenesis
biomarkers
for
management.
Язык: Английский
Alternaria alternata effector AaAlta1 targets CmWD40 and participates in regulating disease resistance in Chrysanthemum morifolium
PLoS Pathogens,
Год журнала:
2025,
Номер
21(3), С. e1012942 - e1012942
Опубликована: Март 31, 2025
Black
spot
diseases
caused
by
the
necrotrophic
fungal
pathogen
Alternaria
alternata
adversely
affect
growth
and
yield
of
many
plants
worldwide.
However,
molecular
mechanisms
underlying
virulence
pathogenicity
A.
remain
largely
unknown.
In
this
study,
we
report
identification
a
novel
effector
Alta1,
secreted
,
which
not
only
contributes
to
its
but
also
triggers
cell
death
defense
host
plant.
The
expression
Alta1
in
Chrysanthemum
morifolium
activated
jasmonic
acid
(JA)
signaling,
which,
turn,
enhanced
plant
resistance
.
Moreover,
found
that
targeted
WD40-repeat
protein
chrysanthemum
(
Cm
WD40)
after
entering
cells.
Notably,
CmWD40
gene
showed
rhythmic
basal
expression,
overexpression
increased
leaves
against
whereas
loss
function
led
decrease
resistance.
results
comparative
transcriptomics
JA
content
analyses
indicated
is
possibly
involved
accumulation
signaling
JA.
transcript
levels
MYC2
were
significantly
upregulated
lines
overexpressing
compared
with
wild
type.
Further,
infection
assay
revealed
positively
modulated
Alta1-induced
response
activating
transcription.
Overall,
obtained
study
demonstrate
identified
recognized
circadian
rhythm
JA-induced
immune
enhances
disease
plants.
Язык: Английский
Evaluation of Five Chrysanthemum morifolium Cultivars against Leaf Blight Disease Caused by Alternaria alternata at Rooting and Seedling Growth Stages
Mayada Seliem,
Naglaa Taha,
Nahla I. El-Feky
и другие.
Plants,
Год журнала:
2024,
Номер
13(2), С. 252 - 252
Опубликована: Янв. 16, 2024
During
the
winter
of
2018,
leaf
blight
on
florist’s
daisy
(Chrysanthemum
morifolium
L.)
was
noticed
in
Egypt.
The
disease,
which
identified
as
caused
by
Alternaria
alternata,
widely
spread
and
led
to
serious
damage
for
exportation
sector
this
crop.
Therefore,
a
study
conducted
better
understand
what
can
be
minimize
problem
future.
Isolates
were
gathered
evaluated
five
chrysanthemum
cultivars
(i.e.,
‘Feeling
Green
Dark’,
‘Talitha’,
‘Chrystal
Regan’,
‘Arctic
queen’,
‘Podolsk
Purple’)
grown
greenhouse.
objectives
isolate
identify
phytopathogen
detect
resistant
degree
these
with
emphasis
early
growth
stages
results
showed
that
Purple’
most
cultivar
against
different
isolates
during
rooting
seedling
stages.
Regan’
very
susceptible
isolates.
In
addition,
from
Dark’
strongest,
negatively
affected
chlorophyll
content
its
fluorescence
parameters
besides
other
measured
vegetative
anatomical
features.
findings
indicated
best
characters
stem
leaf,
like
thickness
cuticle
cortex,
diameter,
xylem
vessel
epidermis
well
lamina
recorded
cultivar.
This
highlighted
using
right
cultivars,
cultivated
season
under
Egyptian
conditions.
These
part
solution
overcome
A.
alternata
growing
Язык: Английский
The fungal effector AaAlta1 inhibits PATHOGENESIS-RELATED PROTEIN10-2-mediated callose deposition and defense responses in apple
PLANT PHYSIOLOGY,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
Apple
leaf
spot,
caused
by
Alternaria
alternata
f.
sp
mali
(ALT),
poses
a
substantial
threat
to
the
global
apple
(Malus
×
domestica
Borkh.)
industry.
Fungal
effectors
promote
pathogen
infestation
and
survival
interfering
with
plant
immune
responses.
In
our
study,
we
investigated
secretion
of
effector
proteins
virulent
ALT7
strain.
Using
mass
spectrometry,
identified
AaAlta1,
which
belongs
Alt
1
protein
family
(AA1s).
Further
analysis
confirmed
that
secretes
AaAlta1.
AaAlta1
knockdown
mutants
displayed
reduced
pathogenicity
in
tissue
culture
seedlings,
while
overexpression
strains
exhibited
enhanced
compared
wild-type
immunoprecipitation
followed
isolated
pathogenesis-related
10-2
(PR10-2)
as
an
interaction
partner
apple.
Knockdown
showed
increased
PR10-2-mediated
callose
deposition
apple,
critical
defense
response.
The
responses
substantially
their
susceptibility
infection
these
mutants.
Our
findings
delineate
strategy
whereby
suppress
PR10-2,
thereby
circumventing
system.
Язык: Английский