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
Horticulturae,
Год журнала:
2024,
Номер
10(8), С. 840 - 840
Опубликована: Авг. 8, 2024
Climacteric
fruits
undergo
a
characteristic
ripening
process
regulated
by
ethylene,
key
plant
hormone.
Extending
the
shelf
life
of
these
while
preserving
their
postharvest
quality
poses
significant
challenge
for
food
industry.
This
review
provides
comprehensive
overview
physiological
and
molecular
strategies
to
delay
ethylene-mediated
in
climacteric
impact
on
life,
quality,
sensory
attributes,
volatile
compounds.
Additionally,
it
examines
role
ethylene
fruit
ripening,
analysing
various
managing
including
inhibitors,
adsorbents,
scavengers
catalytic
oxidation.
concludes
with
future
research
directions
genetic
approaches
reducing
production
or
responsiveness
fruits,
integrated
strategies,
environmental
considerations,
commercial
applications
improving
handling
quality.
ABSTRACT
Blast
caused
by
Pyricularia
oryzae
(synonym
Magnaporthe
)
is
a
major
fungal
disease
affecting
productivity
and
quality
in
rice‐growing
areas
globally.
A
genome‐wide
association
study
(GWAS)
was
performed
using
the
blast
score(s)
whole‐genome
sequence
data
pertaining
to
subset
of
280
diverse
accessions
IRRI
3
K
Rice
Genome
panel.
Continuous
variation
observed,
with
8.9%
total
resistant,
39.6%
moderately
37.2%
susceptible
14.2%
susceptible,
average
severity
ratings
0
3,
>
5,
5
7
9,
respectively,
indicating
polygenic
inheritance
trait.
We
identified
potential
different
subpopulations
resistance
reaction
(IRGC
127151
[subtrop],
127738
[ind2],
132245
[aro]
127130
[aus]),
having
lowest
<
2.
GWAS
revealed
significant
22
quantitative
trait
nucleotides
(QTNs)—20
main
effect
two
interaction
effect—linked
that
led
identification
43
plant
defence‐related
candidate
genes.
The
haplo‐pheno
analysis
genes
(LOC_Os02g06470,
LOC_Os02g06510,
LOC_Os07g34370,
LOC_Os08g29760,
LOC_Os10g07470
LOC_Os12g34290)
associated
superior
haplotypes
were
play
critical
role
defence
mechanisms.
resistant
sources
hold
promise
for
stacking
into
an
elite
genetic
background
haplotype‐based
breeding
approach
development
cultivars
wide
range
pathotypes.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Март 27, 2025
Ethylene
response
factors
(ERFs)
are
transcription
that
essential
in
modulating
drought
stress
responses
plants
such
as
Arabidopsis
and
rice.
However,
the
functional
role
of
ERF
wheat
remains
unclear.
We
identified
33
genes
under
using
transcriptomic
analysis
categorized
them
into
eight
subfamilies
(I–VIII).
Among
them,
12
drought-responsive
candidate
were
upregulated,
TaERF13-2B
was
selected
for
further
analysis.
overexpression
resulted
significantly
reduced
survival
rates
conditions
with
decreased
expression
stress-responsive
antioxidant
enzyme
genes,
indicating
gene
elevated
sensitivity
transgenic
.
In
wheat,
increased
malondialdehyde
accumulation,
chlorophyll
proline
levels,
activity.
Furthermore,
antioxidant-related
suppressed,
suggesting
negatively
regulates
to
stress.
The
interactions
between
TaCIPK9
confirmed
yeast
two-hybrid
bimolecular
fluorescence
complementation.
Overall,
these
discoveries
deepen
our
insights
family
contribute
elucidation
wheat.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 29, 2025
Abstract
Fire
blight
of
pear
is
caused
by
Erwinia
amylovora,
which
can
cause
devastating
damage
to
trees
and
other
pome
fruit
worldwide.
has
resulted
in
a
reduction
the
production
Korla
fragrant
pears
Xinjiang,
China,
as
well
decrease
their
quality
taste,
causing
severe
economic
losses.
To
this
end,
comparative
transcriptome
analysis
common
(KFP,
susceptible)
bud
mutation
line
(1910,
resistant)
at
three
inoculation
periods
was
conducted.
Clustering
principal
component
(PCA)
RNA-seq
data
revealed
that
differences
between
lines
were
greater
than
those
within
lines.
A
total
7271
DEGs
identified
line,
while
11,937
KFP.
Between
KFP
resistant
material
identified,
significantly
enriched
pathways
photosynthesis,
jasmonic
acid
metabolic
process,
flavonoid
biosynthesis,
starch
sucrose
metabolism.
8
clusters
for
all
(17,354)
via
k-means,
KEGG
pathway
annotations
performed
each
individual
cluster.
In
addition,
1027
differentially
expressed
transcription
factors
(TFs)
clustered
into
five
clusters,
TFs
with
largest
fold
change
cluster
identified.
gene
coexpression
network
further
constructed
through
weighted
correlation
(WGCNA),
15
key
genes
determine
fire
resistance
These
research
results
provide
theoretical
basis
deeper
understanding
molecular
mechanism
new
genetic
resources
study
blight.
Ethylene
response
factors
(ERFs),
belonging
to
the
AP2/ERF
superfamily,
play
vital
roles
in
plant
growth,
development,
and
stress
responses.
The
evolutionary
expression
features
of
members
ERF
gene
family
have
not
yet
been
extensively
analyzed
through
comprehensive
comparative
genomics
across
various
diploid,
tetraploid,
hexaploid
wheat
genomes.
In
this
study,
we
identified
a
total
2,967
genes
one
two
five
genomes
using
characteristics
conserved
domains
proteins.
Phylogenetic
analysis
revealed
that
clustered
into
main
groups.
Analyses
expansion
indicated
IIIc
IX
(sub)groups
were
observed
show
tetraploid
compared
diploid
wheat.
Tandem
duplication
was
as
key
mechanism
for
expansion,
with
varying
proportions
different
Ancient
evidence
traced
Amborella
trichopoda
reference,
revealing
retention
copies
both
Then,
under
salt
Triticum
aestivum,
identifying
86
consistently
up-regulated
14
down-regulated
genes,
reported
tolerant
disease
resistant
These
findings
provide
valuable
insights
dynamics
functional
wheat,
paving
way
genetic
breeding
molecular
improvement
species.
