Journal of Plant Nutrition and Soil Science,
Год журнала:
2024,
Номер
187(4), С. 533 - 544
Опубликована: Июнь 17, 2024
Abstract
Background
Phosphorus
(P)
is
one
of
the
nonrenewable
resources
critical
importance
in
agricultural
production.
P
present
soil
organic
and
inorganic
forms.
Phytate
constitutes
majority
soil.
binds
strongly
to
solid
phase
becomes
unavailable
for
use
by
plants.
Therefore,
soluble
phytate‐P
ratio
mostly
at
very
low
levels.
Plants
associated
microorganisms
secrete
acids
hydrolyzing
enzymes
such
as
phytase
dissolve
phytate
Both
solubility
activity
are
limiting
properties
uptake
Aims
Our
aim
was
evaluate
effects
immobilized
on
zinc
oxide
nanoparticles
(ZnO
Np)
tomato
plant
(
Solanum
lycopersicum
)
growth
parameters.
In
this
study,
seedling
period
analyzed.
Methods
13
different
bacteria
investigated,
purified
from
Lactobacillus
kefiri
,
showing
highest
activity,
its
biochemical
were
determined.
Phytase
(ZnO)
characterized
X‐ray
diffraction,
Fourier
transform
infrared
spectroscopy,
scanning
electron
microscopes
analysis.
The
ZnONps,
phytase,
free
parameters
investigated.
Tomato
seeds
soaked
with
30
min
room
temperature
sown
pots
containing
suitable
growing
medium.
Vegetative
development
plant,
height,
number
lateral
branches,
main
stem
diameter,
distance
between
nodes,
root,
shoot
length
Results
partially
7.60%
recovery
specific
1758.5
(EU
mg
−1
protein).
Molecular
mass
approx.72
kD,
optimum
pH
values
determined
5.0
70–80°C,
respectively.
Immobilized
caused
a
significant
increase
41.1%
64.1%
36.1%
plants
compared
control.
addition,
observed
side
vegetative
plant.
Conclusions
results
showed
that
enzyme
has
positive
effect
can
be
used
cultivation
future.
Current Microbiology,
Год журнала:
2023,
Номер
80(12)
Опубликована: Окт. 17, 2023
Abstract
Microbial
phytases
are
enzymes
that
break
down
phytic
acid,
an
anti-nutritional
compound
found
in
plant-based
foods.
These
which
derived
from
bacteria
and
fungi
have
diverse
properties
can
function
under
different
pH
temperature
conditions.
Their
ability
to
convert
acid
into
inositol
inorganic
phosphate
makes
them
valuable
food
processing.
The
application
of
microbial
the
industry
has
several
advantages.
Firstly,
adding
animal
feedstuff
improves
phosphorus
availability,
leading
improved
nutrient
utilization
growth
animals.
This
also
reduces
environmental
pollution
by
waste.
Secondly,
enhance
mineral
bioavailability
assimilation
products,
counteracting
negative
effects
on
human
health.
They
improve
taste
functional
release
bioactive
compounds
beneficial
health
effects.
To
effectively
use
industry,
factors
like
enzyme
production,
purification,
immobilization
techniques
important.
Genetic
engineering
protein
enabled
development
with
such
as
enhanced
stability,
substrate
specificity,
resistance
degradation.
review
provides
overview
phytases,
strains
produce
them,
their
industrial
applications,
focusing
new
approaches.
Nutrition Bulletin,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
ABSTRACT
In
recent
years,
the
growing
popularity
of
vegan
and
vegetarian
diets,
along
with
rising
demand
for
plant‐based
foods,
has
led
researchers
to
concentrate
on
examining
presence
effects
antinutrients.
While
there
are
existing
literature
reviews
focusing
antinutritional
compounds,
particularly
their
reduction,
this
review
aims
provide
a
comprehensive
description
antinutrients
producers,
food
scientists,
professionals,
legislators
consumers,
emphasising
complexity
subject
necessity
diverse
approaches
while
identifying
aspects
that
still
require
further
research.
Antinutrients,
including
protease
inhibitors,
amylase
phytic
acid,
lectins,
saponins,
tannins,
cyanogenic
glycosides,
oxalic
polyphenols,
goitrogens
pyrimidine
described,
encompassing
various
such
as
structural
characteristics,
analytical
detection
methods,
distribution,
physiological
impacts
strategies
mitigation
or
elimination.
Specifically,
our
concentrates
assessing
in
products
primary
ingredients,
categorised
into
five
distinct
groups,
cereals,
pseudocereals,
pulses,
seeds
nuts,
which
commonly
used
production.
Among
these
categories,
legumes
identified
richest
source
anti‐nutritional
followed
by
cereal
grains.
However,
certain
nuts
also
demonstrate
high
levels
specific
generally
regarded
harmful
nutrient
absorption,
studies
have
revealed
some
potential
health
benefits
associated
them.
Therefore,
vivo
research
is
essential
elucidate
behaviour
compounds
within
human
body.
Additionally,
significant
lack
formal
regulations
guidelines
regarding
antinutrients,
currently
do
not
feature
labelling
related
compounds.
Microorganisms,
Год журнала:
2023,
Номер
11(5), С. 1136 - 1136
Опубликована: Апрель 27, 2023
Phosphate
solubilizing
microorganisms
(PSMs)
in
soil
have
been
shown
to
reduce
mineral
phosphate
fertilizer
supplementation
and
promote
plant
growth.
Nevertheless,
only
several
P-solubilizing
capable
of
both
organic
sources
phosphorus
identified
up
now.
The
aim
this
study
was
evaluate
the
inorganic
activity
phytate-hydrolyzing
Pantoea
brenneri
isolates.
We
showed
that
strains
efficiently
solubilize
a
variety
phosphates.
optimized
media
composition
culturing
conditions
improve
solubilization
efficiency
investigated
mechanisms
their
solubilization.
Through
HPLC
analysis,
it
determined
P.
produce
oxalic,
malic,
formic,
malonic,
lactic,
maleic,
acetic,
citric
acids
as
well
acid
alkaline
phosphatases
while
growing
on
insoluble
sources.
Finally,
we
analyzed
influence
with
multiple
PGP-treats
growth
greenhouse
experiments
ability
potato.
Fermentation,
Год журнала:
2025,
Номер
11(1), С. 39 - 39
Опубликована: Янв. 17, 2025
Economic
development
increases
and
brings
about
issues
such
as
the
secure
supply
of
food
in
a
sustainable
way.
Phytases
are
enzymes
catalyzing
phytate
hydrolysis
to
release
phosphorus
an
inorganic
form.
Animal
feeds
could
be
supplemented
with
bacterial
phytases
increase
their
micronutrients
bioavailability.
To
best
our
knowledge,
this
is
first
report
on
purification
characterization
alkalophilic
phytase
from
Cobetia
marina.
The
purified
newly
isolated
halophilic
marina
strain
439
appears
appropriate
for
use
additive
feed
processing.
Its
molecular
weight
was
determined
43
kDa
by
gel
filtration
40
SDS–polyacrylamide
electrophoresis.
enzyme
had
maximum
activity
at
pH
8.0
45
°C,
while
70
it
80%
50%
80
°C
min,
showing
its
thermostability.
Enzyme
retained
broad
range
6.5
9.0.
half-life
15
min
10
30
4.0
registered.
proven
high
substrate
specificity.
In
addition,
showed
strong
proteolytic
tolerance
against
trypsin
pepsin.
profile,
thermostability,
studied
product
determine
unique
candidate
application
agriculture,
food,
industries.
Agronomy,
Год журнала:
2025,
Номер
15(3), С. 660 - 660
Опубликована: Март 6, 2025
While
soil
responses
to
organic
and
inorganic
phosphorus
(P)
fertilizers
have
been
widely
studied,
plant
physiological
molecular
remain
insufficiently
characterized.
Such
an
understanding
is
necessary
develop
sustainable
P
fertilization
strategies
that
enhance
performance
in
soils
with
limitations.
This
study
investigated
the
impact
of
poultry
manure
(PM)
its
combination
phytase
enzyme
on
involved
use
efficiency
(PUE)
ryegrass
plants
growing
a
P-deficient
Andisol.
A
greenhouse
experiment
under
controlled
conditions
was
performed
evaluate
properties,
biomass,
uptake,
performance,
expression
transporters
following
treatments:
deficiency
(PD),
mineral
(F),
PM
alone,
combined
phytase.
The
enhanced
availability
by
60%
increased
activities
2.6-fold,
facilitating
mineralization
P.
resulted
63%
increase
shoot
concentration
35%
enhancement
biomass.
Additionally,
oxidative
stress
markers
decreased,
lipid
peroxidation
roots
reduced
up
five-fold,
while
antioxidant
activity
1.6-fold.
Molecular
analysis
revealed
transporter
gene
LpPHT1;4
upregulated
9.3-fold,
indicating
improved
capacity
for
acquisition
utilization.
These
findings
suggest
phytase-mediated
hydrolysis
activation
are
key
mechanisms
driving
uptake
soils.
