Frontiers in Microbiology,
Год журнала:
2021,
Номер
12
Опубликована: Сен. 28, 2021
It
is
found
effective
for
phytoremediation
of
the
guest
soil
spraying
method
by
adding
microbes
to
promote
growth
arbor
leguminous
plant
on
a
high
and
steep
rock
slope.
However,
its
underlying
mechanisms
remain
elusive.
Here,
some
experiments
were
conducted
explore
multifunctions
Penicillium
simplicissimum
NL-Z1
weathering,
nodule
growth,
beneficial
microbial
regulation.
The
results
show
that
P.
significantly
increased
release
phosphorus,
potassium,
calcium,
magnesium
from
226,
29,
24,
95%,
respectively,
compared
with
control.
A
significant
increase
153%
in
Indigofera
pseudotinctoria
Matsum
biomass,
accompanied
an
37%
biomass
was
observed
treatment
than
control
treatment.
Interestingly,
even
though
itself
became
minor
community
soil,
it
induced
Mortierella,
which,
as
microbe,
can
phosphate-solubilizing
growth.
suggest
could
induce
imposed
effect
which
may
be
conducive
development
technique
study
provides
novel
thought
using
indirect
microbes,
i.e.,
promoting
other
improve
environment.
Biomolecules,
Год журнала:
2021,
Номер
11(8), С. 1096 - 1096
Опубликована: Июль 25, 2021
As
the
world
develops
and
population
increases,
so
too
does
demand
for
higher
agricultural
output
with
lower
resources.
Plant
biostimulants
appear
to
be
one
of
more
prominent
sustainable
solutions,
given
their
natural
origin
potential
substitute
conventional
methods
in
agriculture.
Classified
based
on
source
rather
than
constitution,
such
as
humic
substances
(HS),
protein
hydrolysates
(PHs),
seaweed
extracts
(SWE)
microorganisms
have
a
proven
improving
plant
growth,
increasing
crop
production
quality,
well
ameliorating
stress
effects.
However,
multi-molecular
nature
varying
composition
commercially
available
presents
challenges
when
attempting
elucidate
underlying
mechanisms.
While
most
research
has
focused
broad
effects
crops,
recent
studies
at
molecular
level
started
unravel
pathways
triggered
by
certain
products
cellular
gene
level.
Understanding
influences
involved
could
lead
further
refinement
these
treatments.
This
review
comprises
findings
regarding
use
plants,
particular
focus
reports
influence.
Agronomy,
Год журнала:
2021,
Номер
11(8), С. 1552 - 1552
Опубликована: Авг. 3, 2021
Among
the
environmental
factors,
soil
salinity
is
one
of
most
detrimental
factors
affecting
plant
growth
and
productivity.
Nutritional-imbalance
also
known
as
negative
effects
on
essential
nutrients,
phosphorus
(P)
a
nutrient
in
which
uptake,
transport,
distribution
adversely
affected
by
salinity-stress.
Salinity-stress-mediated
low
P
availability
limits
crop
production.
Adding
additional
fertilizer
generally
recommended
to
manage
deficit
saline-soils;
however,
low-efficiency
available
use
salt-affected
soils,
restricts
availability,
fertilizers
are
cause
significant
concerns.
The
application
salinity-tolerant
phosphate–solubilizing-bacteria
(ST-PSB)
can
be
greatly
effective
economical
way
improve
recover
P-deficit
saline-land.
This
review
focuses
salinization
its
effect
mechanisms
solubilization
ST-PSB,
ST-PSB
diversity,
their
role
alleviating
stress
plants,
current
future
scenarios
use,
potential
this
knowledge
sustainable
system.
According
review,
adding
saline
soils
could
an
alternative
for
plants
may
ameliorate
tolerance.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Сен. 16, 2022
Recent
decades
have
witnessed
increased
agricultural
production
to
match
the
global
demand
for
food
fueled
by
population
increase.
Conventional
practices
are
heavily
reliant
on
artificial
fertilizers
that
numerous
human
and
environmental
health
effects.
Cognizant
of
this,
sustainability
researchers
environmentalists
their
focus
other
crop
fertilization
mechanisms.
Biofertilizers
microbial
formulations
constituted
indigenous
plant
growth-promoting
rhizobacteria
(PGPR)
directly
or
indirectly
promote
growth
through
solubilization
soil
nutrients,
growth-stimulating
hormones
iron-sequestering
metabolites
called
siderophores.
continually
been
studied,
recommended,
even
successfully
adopted
many
crops
in
world.
These
products
hold
massive
potential
as
sustainable
tools,
especially
wake
climate
change
is
partly
fertilizers.
Despite
growing
interest
technology,
its
full
has
not
yet
achieved
utilization
still
seems
be
infancy.
There
a
need
shed
light
past,
current,
future
prospects
biofertilizers
increase
understanding
utility.
This
review
evaluates
history
PGPR
biofertilizers,
assesses
present
utilization,
critically
advocates
production.
It,
therefore,
updates
our
evolution
Such
information
can
facilitate
evaluation
ultimately
pave
way
exploitation.
Frontiers in Soil Science,
Год журнала:
2022,
Номер
1
Опубликована: Янв. 7, 2022
A
contemporary
approach
to
bacterially
mediated
zinc
(Zn)
biofortification
offers
a
new
dimension
in
the
crop
improvement
program
with
better
Zn
uptake
plants
curb
malnutrition.
The
implication
of
solubilizing
bacteria
(ZSB)
represents
an
inexpensive
and
optional
strategy
for
biofortification,
ultimate
green
solution
enlivening
sustainable
agriculture.
ZSB
dwelling
rhizospheric
hub
or
internal
plant
tissues
shows
their
competence
solubilize
via
variety
strategies.
admirable
method
is
deposition
organic
acids
(OAs),
which
acidify
surrounding
soil
environment.
secretion
siderophores
as
metal
chelating
molecule,
ligands,
manifestation
oxidative–reductive
system
on
bacterial
cell
membrane
are
further
tactics
solubilization.
inoculation
probably
more
effective
tactic
enhanced
translocation
various
comestible
parts.
growth-enhancing
properties
can
be
used
bioelicitors
growth
different
approaches
that
crucial
health
its
productivity.
This
article
provides
overview
functional
ZSB-mediated
localization
edible
portions
food
crops
impetus
explore
such
probiotics
natural
agents.
Modern
agriculture
pays
attention
to
improving
agricultural
production
by
producing
zinc-enriched
crops
through
zinc-solubilizing
bacteria
strengthen
the
bioeconomy.
Zinc
deficiency
in
soil
reduces
plant
growth
and
also
leads
less
uptake
of
zinc
edible
portion
plants.
Therefore,
content
parts
plants
can
be
increased
biofortification
approach.
However,
most
approaches
are
laborious
need
expensive
input
routine
practices.
microbiological
approach
may
beneficial
increasing
concentration
crop
quality
with
ultimate
benefit
a
greener
path.
The
use
microbes
thus
favorable
for
elevating
enhancing
quality,
ultimately
providing
summation
role
microorganisms
strategy.
In
addition,
application
as
potential
biosource
represents
cost-effective
alternate
Zinc-solubilizing
act
natural
bio-fortifiers
that
solubilize
unavailable
form
secreting
organic
acids,
siderophores,
other
chelating
compounds.
This
review
focuses
on
their
contribution
enhance
yield
bioeconomy
more
sustainable
manner.
PeerJ,
Год журнала:
2023,
Номер
11, С. e14621 - e14621
Опубликована: Янв. 9, 2023
Wheat
(
Triticum
aestivum
L.)
is
a
major
source
of
calorific
intake
in
its
various
forms
and
considered
one
the
most
important
staple
foods.
Improved
wheat
productivity
can
contribute
substantially
to
addressing
food
security
coming
decades.
Soil
salinity
serious
limiting
factor
crop
production
fertilizer
use
efficiency.
In
this
study,
11
bacteria
were
isolated
from
rhizosphere
examined
for
salt
tolerance
ability.
WGT1,
WGT2,
WGT3,
WGT6,
WGT8,
WGT11
able
tolerate
NaCl
up
4%.
Bacterial
isolates
characterized
vitro
plant
growth-promoting
properties
including
indole-3-acetic
acid
(IAA)
production,
phosphate
solubilization,
nitrogen
fixation,
zinc
biofilm
formation,
cellulase-pectinase
production.
Six
isolates,
WGT4,
WGT9
showed
IAA
ability
ranging
0.7–6
µg
m/L.
WGT8
displayed
highest
Five
WGT5,
WGT10,
WGT11,
demonstrated
solubilization
1.4–12.3
WGT2
solubilization.
Nitrogen
fixation
was
shown
by
only
two
WGT1
WGT8.
Zinc
on
minimal
media.
All
formation
ability,
where
WGT4
exhibited
maximum
potential.
Cellulase
noticed
while
pectinase
observed
WGT3.
Phylogenetic
identification
potential
confirmed
their
close
relationship
with
species
genus
Bacillus
.
WGT3
similarity
B.
cereus
,
WGT6
tianshenii
subtilis
thuringiensis
Biofertilizer
characteristics
salt-tolerant
rhizospheric
evaluated
inoculating
plants
under
controlled
conditions
field
experiments.
increase
growth
parameters
enhance
grain
yield
37%
31%,
respectively.
Potential
study
stress,
have
produce
promoting
substances
stress
significantly
yield.
These
bacterial
be
used
as
biofertilizers
improved
sustainable
agriculture.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
14
Опубликована: Янв. 16, 2024
In
the
European
Union
and
worldwide
there
are
a
burgeoning
markets
for
plant
growth
promoting
microorganisms
(PGPM)
other
biological
agents
as
soil
improvers,
bio-fertilizers,
bio-stimulants,
control
or
bio-pesticides.
Microbial
have
major
share
in
this
development.
The
use
of
such
products
is
often
advertised
with
promise
contributing
to
sustainable
agricultural
practices
by
increasing
crop
yield
offering
an
alternative
substitute
decrease
dependency
agriculture
on
hazardeous
agrochemicals.
contrast
registered
microbial
protection
products,
PGPM
that
marketed
EU
improvers
biostimulants,
not
strictly
required
proven
minimum
efficacy
levels
under
field
conditions.
Manufacturers
only
ensure
these
do
pose
unacceptable
risks
human,
animal
health,
safety
environment.
Uniform
guidelines
comparable
EPPO
-
standards
(European
Mediterranean
Plant
Protection
Organisation)
test
trials
available.
This
paper
attempts
fill
gap.
It
proposes
trial
design
implementation,
well
recommendations
type
scope
data
collection
evaluation.
Selected
research
papers
from
literature
were
evaluated
analyze,
whether
what
extent
requirements
already
met.
majority
had
clear
experimental
followed
proper
Frequent
deficiencies
low
number
tested
environments
species,
insufficient
site
agronomic
management
description
missing
humidity
temperature.
Using
suggested
assumed
increase
expressive
power
products.
Frontiers in Microbiology,
Год журнала:
2021,
Номер
12
Опубликована: Май 24, 2021
During
and
after
the
green
revolution
in
last
century,
agrochemicals
especially
nitrogen
(N)
were
extensively
used.
However,
it
resulted
a
remarkable
increase
crop
yield
but
drastically
reduced
soil
fertility;
increased
production
cost,
food
prices,
carbon
footprints;
depleted
fossil
reserves
with
huge
penalties
to
environment
ecological
sustainability.
The
groundwater,
rivers,
oceans
are
loaded
N
excess
which
is
an
environmental
catastrophe.
Nitrogen
emissions
(e.g.,
ammonia,
oxide,
nitrous
oxide)
play
important
role
global
climate
change
contribute
particulate
matter
acid
rain
causing
respiratory
problems,
cancers,
damage
forests
buildings.
Therefore,
nitrogen-polluted
planet
Earth
needs
concerted
efforts
avoid
disaster.
Improved
agricultural
management
focuses
on
synchronization
of
demand
supply
along
improving
N-use
efficiency
crops.
there
very
little
focus
natural
sources
available
for
plants
form
diazotrophic
bacteria
present
inside
or
root
surface
rhizosphere.
These
diazotrophs
mini-nitrogen
factories
that
convert
(78%)
atmospheric
N2
ammonia
through
process
known
as
"biological
fixation"
then
taken
up
by
its
metabolic
functioning.
Diazotrophs
also
stimulate
architecture
producing
plant
hormones
hence
improve
plant's
overall
ability
uptake
nutrients
water.
In
recent
years,
nanotechnology
has
revolutionized
whole
agri-industry
introducing
nano-fertilizers
coated/slow-releasing
fertilizers.
With
this
mind,
we
tried
explore
following
questions:
To
what
extent
can
requirements
be
met
diazotroph
inoculation?
Can
input
agriculture
managed
way
leading
benefits
farmers
saving
money?
help
technological
advancement
application?
review
suggests
integrated
technology
based
slow-releasing
nano-fertilizer
combined
should
adopted
decrease
inputs
system.
This
would
minimize
pollution
losses
much
extent.
Microorganisms,
Год журнала:
2022,
Номер
10(12), С. 2462 - 2462
Опубликована: Дек. 13, 2022
The
inoculation
of
plant
growth-promoting
bacteria
(PGPB)
as
biofertilizers
is
one
the
most
efficient
and
sustainable
strategies
rhizosphere
manipulation
leading
to
increased
biomass
yield
improved
health,
well
ameliorated
nutritional
value
fruits
edible
seeds.
During
last
decades,
exciting,
but
heterogeneous,
results
have
been
obtained
growing
PGPB
inoculated
plants
under
controlled,
stressful,
open
field
conditions.
On
other
hand,
possible
impact
deliberate
release
on
resident
microbiota
has
less
explored
little
available
information
contradictory.
This
review
aims
at
filling
this
gap:
after
a
brief
description
main
mechanisms
used
by
PGPB,
we
focus
our
attention
process
selection
formulation
provide
some
EU
regulation
for
microbial
inocula.
Then,
concept
inocula
tool
engineering
introduced
bacterial
inoculant
native
communities
discussed,
focusing
those
species
that
are
included
in
promising
not
yet
regulation.