Melatonin—Angel of Plant Growth Regulation and Protection
Huanyu Cai,
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Jie Li,
No information about this author
Jun Li
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et al.
Advanced Agrochem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Green guardians: The biocontrol potential of Pseudomonas-derived metabolites for sustainable agriculture
Ruihuan Yang,
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Xiuning Du,
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Moein Khojasteh
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et al.
Biological Control,
Journal Year:
2025,
Volume and Issue:
201, P. 105699 - 105699
Published: Jan. 9, 2025
Language: Английский
Design, Synthesis, and Antifungal Activity of Melatonin Derivatives Containing a (Thio)Semicarbazide Group
Jing‐Rui Liu,
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Enyu Jiang,
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Chun‐Bao Duan
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et al.
Journal of Pineal Research,
Journal Year:
2025,
Volume and Issue:
77(2)
Published: Feb. 25, 2025
ABSTRACT
Melatonin
is
a
natural
hormone
that
has
functions
such
as
circadian
rhythm
regulation,
neuroregulation
and
cardiac
protection,
well
antifungal
activity.
In
this
study,
two
series
of
melatonin
derivatives
containing
semicarbazide
or
thiosemicarbazide
group
were
designed
synthesized.
The
screening
results
indicated
compound
III‐9
exhibited
broad
spectrum
against
six
phytopathogenic
fungi
at
50
µg/mL,
with
over
60%
growth
inhibition,
highlighted
by
its
inhibition
rates
80.8%
87.2%
Botrytis
cinerea
Rhioctorzia
solani
,
respectively,
which
was
superior
to
the
commercial
fungicide
Osthole.
It
also
showed
moderate
activity
in
vivo
Cucumber
botrytis
Sclerotinia
sclerotiorum
Phytophthora
capsica
200
µg/mL.
And
scanning
electron
microscope
(SEM),
molecular
docking,
enzymatic
provided
insights
into
potential
mechanisms
underlying
these
derivatives,
might
target
succinate
dehydrogenase
(SDH).
Study
structure–activity
relationships
(SAR)
pesticide‐likeness
prediction
offered
valuable
guidance
for
future
structural
optimization
derivatives.
Language: Английский
Polyprenylated Xanthones Isolated from Garcinia Resins and Their Beneficial Effects on Rice Blast Disease
Ke-Ming Li,
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Shumin Zheng,
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Xian Dong
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et al.
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
Five
undescribed
polyprenylated
xanthones
(1,
3,
4,
22,
and
23)
27
known
compounds
were
isolated
from
Garcinia
resins,
the
antifungal
activities
of
15
them
investigated.
Compound
7
exhibited
notable
in
vitro
effects
against
Magnaporthe
grisea
with
an
IC50
value
3.54
μg/mL,
superior
to
isoprothiolane
(10.30
μg/mL),
showed
excellent
protective
efficiency
78.4%
at
200
μg/mL
RB
(rice
blast),
equivalent
(87.2%).
Its
activity
may
be
related
destruction
cell
membrane
effect
absorption
utilization
sugar
by
mycelium,
which
was
proven
transcriptome
sequencing
preliminary
mechanism,
showing
a
good
application
prospect
for
replacing
agrochemical
fungicides
control
disease.
Language: Английский
Identification of a COMT Gene Involved in the Biosynthesis of Melatonin Which Mediates Resistance to Citrus Canker
Kun Yang,
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Wenqing Xu,
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Huanyu Cai
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et al.
Journal of Pineal Research,
Journal Year:
2025,
Volume and Issue:
77(3)
Published: April 1, 2025
Citrus
canker,
caused
by
Xanthomonas
citri
subsp
(Xcc),
represents
a
severe
threat
to
the
citrus
industry.
The
conventional
control
measures
for
canker
primarily
rely
on
chemical
bactericide.
However,
overuse
of
bactericide
will
cause
environmental
and
food
security
concerns.
To
address
this
problem,
efforts
are
being
made
develop
environmentally
friendly
bio-bactericide
alternatives.
In
study,
we
identified
caffeic
acid
O-methyltransferase
gene,
AbCOMT1,
from
Atalantia
buxifolia,
Citrus-related
species
exhibiting
high
resistance
canker.
AbCOMT1
encodes
key
enzyme
involved
in
melatonin
biosynthesis,
its
overexpression
sweet
orange
significantly
enhances
We
found
elevated
levels
overexpressing
lines
demonstrated
that
not
only
directly
inhibited
Xcc
proliferation
but
also
activated
immune
responses.
further
improve
inhibitory
efficacy
melatonin,
tested
several
derivatives,
achieving
tenfold
increase
activity.
Notably,
derivative
MT-3
exhibited
outstanding
controlling
under
field
conditions.
Our
results
revealed
as
promising
gene
highly
efficient
derivatives
disease
control.
Language: Английский
Mps1–Targeted Molecular Design of Melatonin for Broad-Spectrum Antifungal Agent Discovery
Huanyu Cai,
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Jie Li,
No information about this author
Ran Lu
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et al.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 6, 2024
Melatonin,
a
multifunctional
class
of
natural
products,
has
demonstrated
antifungal
activity,
making
it
promising
candidate
for
developing
agents.
The
mitogen-activated
protein
kinase
(Mps1)
within
fungal
pathogens
target
inhibitory
effect
melatonin
in
fungi.
We
use
virtual
screening
strategy
to
design
derivatives
based
on
the
melatonin-Mps1
targeting
model.
Of
these,
multiflorane-substitution
compound
M-12
emerges
as
potent
agent,
exhibiting
broad-spectrum
efficacy
against
eight
phytopathogenic
species,
and
effectively
reduces
severity
tomato
gray
mold,
Fusarium
head
blight
wheat,
Sclerotinia
stem
rot
rape,
peach
brown
rot.
half-maximal
effective
concentration
values
(5.50
μM
Botrytis
cinerea,
5.21
graminearum,
10.6
Rhizoctonia
solani,
9.02
sclerotiorum)
are
better
than
those
commercial
fungicide
azoxystrobin
(55.0,
23.2,
46.5,
17.7
μM,
respectively).
Antifungal
activity
enantiomer
(S)-M-12
(5.02
μM)
is
significantly
greater
its
(R)-enantiomer
(23.6
B.
cinerea.
Molecular
docking
transcriptome
analysis
reveal
that
achieves
effects
by
inhibiting
Mps1
kinase,
thereby
suppressing
growth
virulence.
Language: Английский
Combinatorial Targeting of Common Docking and ATP Binding Sites on Mps1 MAPK for Management of Pathogenic Fungi
Zhiwei Kong,
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Saijie Li,
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Jianbin Li
No information about this author
et al.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Resistance
in
pathogenic
fungi
necessitates
the
development
of
fungicides
with
new
mechanisms
action.
The
Mps1
MAPK
Magnaporthe
oryzae,
pathogen
rice
blast
disease,
has
been
shown
to
be
a
molecular
target
for
fungicide
research.
Here,
we
present
compound
TAK-733
that
interacts
common
docking
(CD)
site
and
can
used
combination
ATP-competitive
inhibitors.
We
initially
identified
compounds
PLX-4720
interact
Mps1.
Subsequent
assays
show
is
an
inhibitor,
whereas
binds
CD
Mps1─an
interaction
its
MAPKK─but
not
ATP-binding
pocket
as
it
does
kinase
MEK1.
In
vivo
demonstrated
exhibits
combinational
effects
inhibitors
A378–0.
Collectively,
having
mechanism
action
suitable
application
management
fungi.
Language: Английский