Metabolomic Analysis of Maize Response to Northern Corn Leaf Blight
Metabolites,
Год журнала:
2025,
Номер
15(2), С. 113 - 113
Опубликована: Фев. 10, 2025
Background:
As
a
major
food
crop,
maize
is
highly
susceptible
to
pathogenic
bacteria,
which
greatly
reduces
its
yield
and
quality.
Metabolomics
reveals
physiological
biochemical
changes
in
organisms
aids
analyzing
metabolic
caused
by
various
factors.
Methods:
This
study
utilized
metabolomics
examine
maize’s
after
NCLB
infestation,
aiming
uncover
related
pathways
potential
biomarkers.
The
metabolite
measurements
were
performed
during
the
silking
stage.
Results:
PCA
showed
an
obvious
dispersion
between
treated
untreated
groups.
OPLS-DA
identified
1274
differential
metabolites,
with
242
being
downregulated
(mainly
phenolics
esters)
1032
upregulated
(primarily
organic
acids,
amino
sugars,
derivatives).
KEGG
annotation
revealed
50
affected
pathways,
biosynthesis
of
secondary
metab-olites
acids
was
significantly
enriched.
Conclusions:
We
hypothesized
that
sugar
metabolism,
proline
jasmonic
acid
synthesis
are
associated
susceptibility.
These
findings
provide
critical
insights
into
responses
biotic
stress,
offering
theoretical
basis
for
future
research
on
plant
resistance
mechanisms.
Язык: Английский
Integrative analysis of transcriptome and metabolome reveals molecular mechanisms of dynamic change of storage substances during dehydration and drying process in peanuts (Arachis hypogaea L.)
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 16, 2025
Various
substances
in
seeds
occurred
many
transformations
during
the
drying
process,
which
is
key
to
long-term
storage,
but
mechanism
unclear.
In
this
study,
of
peanut
(Arachis
hypogaea
L.)
variety
"Silihong"
were
selected
as
experimental
materials.
Transcriptome
and
metabolome
analyses
kernels
at
day
0
(S0d),
1
(S1d),
3
(S3d),
5
(S5d),
7
(S7d)
performed
search
for
genes
that
controlled
storage
compounds.
A
total
165
differentially
expressed
metabolites
(DAMs)
15,010
(DEGs)
five
stages
seed
identified.
S3d
was
period
content
most
changed
significantly.
The
contents
amino
acids(87%)
their
derivatives
decreased
significantly,
lipids(68%),
sugars(67%)
flavonoids(87%)
accumulated
peak
S3d.
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
pathway
analysis
revealed
DEGs
primarily
enriched
four
aspects,
including
acid
biosynthesis
metabolism,
lipid
sucrose
starch
flavonoid
biosynthesis.
Crucial
potentially
regulate
identified,
PAL,
FAD2,
SUS,
LOX,
PFK.
Overall,
study
provides
valuable
insights
into
molecular
regulation
compounds
may
help
assess
edible
peanuts
have
enhanced
nutritional
economic
values.
Язык: Английский