Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(7), P. 694 - 694
Published: July 1, 2024
Mango
(Mangifera
indica)
is
a
highly
valuable
horticultural
crop
known
for
its
quality
and
productivity.
This
study
investigates
the
dynamic
changes
in
physicochemical
properties
glutathione
ascorbic
acid
metabolic
pathways
mango
pulp
across
various
growth
development
stages
over
two
consecutive
years
(2021–2022
2022–2023)
by
transcriptomic
analysis.
Overall,
results
demonstrate
that
during
different
ripening
periods,
shows
increased
levels
of
total
soluble
solids,
relative
conductivity,
glutathione,
enzymes,
while
titratable
acidity,
malondialdehyde,
reactive
oxygen
species,
contents
decreased.
Moreover,
analysis
identified
key
differentially
expressed
genes
from
validated
them
with
qRT-PCR.
In
comparisons,
1776,
2513,
828
DEGs
were
30
vs.
60,
90,
60
90
days
after
flowering,
respectively.
Among
them,
seven
primarily
enriched
relevant
pathways,
which
included
ascorbate
peroxidase,
oxidase,
gamma-glutamyl
transferase,
transferases,
glucose-6-phosphate
dehydrogenase.
The
upregulation
these
indicates
AsA
respond
well
to
scavenging
species
maintain
normal
functioning
plants.
research
sheds
light
on
molecular
mechanisms
pulp,
providing
insights
into
regulation
antioxidant
fruit
development.
Journal of soil science and plant nutrition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 6, 2024
Abstract
Salinity
stress
has
become
a
major
threat
to
worldwide
crop
production.
Exogenous
melatonin
(MT)
appeared
as
promising
treatment
against
salt
in
several
plant
species.
However,
MT
effect
on
the
tolerance
of
sorghum
plants
under
different
saline
conditions
(moderate
and
severe)
remains
ambiguous.
This
study
was
carried
out
explore
impact
(0,
50,
100
200
µM)
foliar
application
seedlings
grown
moderate
severe
using
sodium
chloride,
NaCl
(75
150
µM
NaCl).
treatments
were
applied
solution
sand
medium
pots.
The
results
demonstrated
that
rising
salinity
level
negatively
affected
growth,
photosynthetic
pigments
(chlorophylls
carotenoids),
leaf
water
status
ionic
homeostasis
(sodium,
potassium,
calcium
ions).
Applied-MT
specifically
at
or
enhanced
osmotic
balance,
cell
membrane
stabilizing
relative
content.
These
effects
associated
with
an
obvious
restriction
hydrogen
peroxide,
lipid
peroxidation
(malondialdehyde
content)
methylglyoxal.
Moreover,
antioxidant
activities
peroxidase,
catalase,
superoxide
dismutase,
ascorbate
peroxidase
enzymes
modulated
by
treatments.
Molecular
docking
modeling
assessment
illustrated
top-ranked
confirmations
between
target
enzymes.
forms
multiple
bonds
key
amino
acid
residues
for
glycine
(A:
162),
tryptophan
41),
leucine
165),
tyrosine
235)
active
site
peroxidase.
alkyl
interactions
37),
arginine
38)
cysteine
168)
also
contribute
its
high
affinity.
Despite
is
commonly
moderately
tolerant
stress,
this
confirmed
sensitivity
wide
range
early
growth
stages.
Melatonin
spraying
led
improvements
various
morphological,
physiological
biochemical
mechanisms
harmonized
together
confer
resistance
salt-stressed
seedlings.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 1, 2024
Global
warming
augments
the
risk
of
adverse
pregnancy
outcomes
in
vulnerable
expectant
mothers.
Pioneering
investigations
into
heat
stress
(HS)
have
predominantly
centered
on
its
direct
impact
reproductive
functions,
while
potential
roles
gut
microbiota,
despite
significant
influence
distant
tissues,
remain
largely
unexplored.
Our
understanding
deleterious
mechanisms
HS
and
development
effective
intervention
strategies
to
mitigate
detrimental
impacts
are
still
limited.
Metabolites,
Journal Year:
2023,
Volume and Issue:
13(1), P. 72 - 72
Published: Jan. 2, 2023
Melatonin
dietary
supplements
are
widely
consumed
worldwide,
with
developed
countries
as
the
largest
consumers,
an
estimated
annual
growth
rate
of
approximately
10%
until
2027,
mainly
in
developing
countries.
The
wide
use
melatonin
against
sleep
disorders
and
particular
problems,
such
jet
lag,
has
been
added
to
other
applications,
anti-aging,
anti-stress,
immune
system
activation,
anticancer,
others,
which
have
triggered
its
use,
normally
without
a
prescription.
chemical
industry
currently
covers
100%
needs
market.
Motivated
by
sectors
more
natural
consumption
habits,
few
years
ago,
possibility
obtaining
from
plants,
called
phytomelatonin,
arose.
More
recently,
pharmaceutical
genetically
modified
microorganisms
whose
ability
produce
biological
bioreactors
enhanced.
This
paper
reviews
aspects
synthesis
for
human
consumption,
supplements.
pros
cons
phytomelatonin
plants
algae
analyzed,
well
advantages
melatonin,
avoiding
unwanted
by-products
melatonin.
Finally,
economic
quality
these
new
products,
some
already
marketed,
analyzed.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(3)
Published: May 1, 2024
Abstract
In
recent
years,
there
has
been
an
increase
in
the
study
of
phytomelatonin.
Having
numerous
functions
animals,
melatonin
produced
by
plants
(phytomelatonin)
is
also
a
multi‐regulatory
molecule
with
great
potential
plant
physiology
and
mitigating
abiotic
stresses,
such
as
drought,
salinity,
chilling,
heat,
chemical
contamination,
UV‐radiation
stress.
This
review
highlights
primary
phytomelatonin
anti‐stress
against
We
discuss
role
master
regulator,
oxidative
stress
manager,
reactive
oxygen
species
nitrogen
defense
compounds
inducer.
Although
exist
handful
reviews
on
crosstalk
other
signaling
molecules
like
auxin,
cytokinin,
gibberellin,
abscisic
acid,
ethylene,
nitric
oxide,
jasmonic
salicylic
this
looks
at
studies
that
have
reported
few
aspects
newly
discovered
along
classical
relation
to
tolerance.
The
research
applications
hydrogen
sulfide,
strigolactones,
brassinosteroids,
polyamines
are
still
their
nascent
stage
but
hold
promising
scope
for
future.
Additionally,
states
developments
metabolism
nitrosative
plants.
International Journal of Food Science & Technology,
Journal Year:
2024,
Volume and Issue:
59(10), P. 7918 - 7931
Published: April 17, 2024
Summary
Melatonin
(MT),
a
natural
signalling
compound
derived
from
tryptophan,
has
gained
significant
attention
for
delaying
postharvest
ripening
and
senescence
in
various
fruits
vegetables.
In
the
present
study,
effect
of
MT
treatment
was
evaluated
on
shelf‐life
bell
pepper.
Fruits
were
dipped
concentrations
(70,
120,
170,
220
μmol
L
−1
)
20
min
stored
at
10
±
1
°C
days.
The
pepper
treated
with
120
significantly
suppressed
respiration,
weight
loss
delayed
chlorophyll
degradation.
Additionally,
(120
reduced
firmness,
titratable
acidity
retained
total
phenol,
flavonoid
ascorbic
acid
content.
It
hindered
malondialdehyde
accumulation
by
enhanced
DPPH
radical
scavenging
antioxidant
enzyme
activity
like
superoxide
dismutase,
catalase
peroxidase,
over
control.
Conclusively,
prolongs
days
superior
sensory
quality,
surpassing
control
Therefore,
is
commercially
useful
technology
maintaining
quality
prolonging
