Microbial Ecology,
Journal Year:
2024,
Volume and Issue:
87(1)
Published: Dec. 1, 2024
Microbial
biotechnology
employs
techniques
that
rely
on
the
natural
interactions
occur
in
ecosystems.
Bacteria,
including
rhizobacteria,
play
an
important
role
plant
growth,
providing
crops
with
alternative
can
mitigate
negative
effects
of
abiotic
stress,
such
as
those
caused
by
saline
environments,
and
increase
excessive
use
chemical
fertilizers.
The
present
study
examined
promoting
potential
bacterial
isolates
obtained
from
rhizospheric
soil
roots
Asparagus
officinalis
cultivar
UF-157
F2
Viru,
la
Libertad,
Peru.
This
region
has
high
salinity
levels.
Seventeen
strains
were
isolated,
four
which
are
major
growth-promoting
traits,
characterized
based
their
morphological
molecular
characteristics.
These
salt-tolerant
bacteria
screened
for
phosphate
solubilization,
indole
acetic
acid,
deaminase
activity,
characterization
16S
rDNA
sequencing.
Fifteen
samples
soils
A.
plants
northern
coastal
desert
San
Jose,
Lambayeque,
a
range
salt
tolerances
3
to
6%.
Isolates
05,
08,
09,
11
presented
maximum
tolerance,
ammonium
quantification,
IAA
production.
identified
sequencing
amplified
rRNA
gene
found
be
Enterobacter
sp.
05
(OQ885483),
08
(OQ885484),
Pseudomonas
09
(OR398704)
Klebsiella
(OR398705).
microorganisms
promoted
germination
Zea
mays
L.
plants,
increased
rates
treatments
fertilizers
at
100%
50%,
PGPRs
height
length
40
days
after
planting.
beneficial
PGPR
isolated
environments
may
lead
new
species
used
overcome
detrimental
stress
plants.
biochemical
response
inoculation
three
prove
these
sources
products
develop
compounds,
confirming
biofertilizers
environments.
Forests,
Journal Year:
2025,
Volume and Issue:
16(4), P. 591 - 591
Published: March 28, 2025
Soil
salinization
significantly
exacerbates
the
deficiency
in
plant-available
phosphorus
soil,
thereby
adversely
affecting
plant
growth
and
development.
Through
various
processes,
phosphate-solubilizing
bacteria
rhizosphere
increase
soil-soluble
content,
boosting
development
stress
resistance.
This
study
focused
on
annual
R.
soongorica
seedlings
to
examine
how
enhance
under
NaCl-induced
conditions.
isolated
characterized
bacteria,
evaluating
their
phosphate
solubilization
capacity
effects
seedling
physiology
NaCl
through
pot
experiments,
with
potential
applications
saline
soil
improvement
desert
ecosystem
restoration.
used
four
treatment
groups
(control
group,
bacterial
inoculation
mixed-treatment
group)
twelve
treatments
replicates
per
treatment.
The
experimental
results
demonstrated
that
five
strains
exhibited
a
significant
capacity,
accompanied
by
notable
reduction
pH
within
inorganic
medium.
Compared
treatment,
net
of
height
inoculated
J23,
J24,
M1
increased
(p
<
0.05),
all
them
more
than
doubled,
stem
diameter
strain
J24
144.17%.
physiological
characteristics
alterations
following
strains.
resulted
statistically
both
foliar
total
content
available
levels
0.05).
Additionally,
conditions,
varying
degrees
salt
tolerance,
descending
order
effectiveness:
>
P2
J23
P3
M1.
In
conclusion,
represents
potentially
valuable
microbial
resource
for
amelioration,
demonstrating
most
pronounced
enhancement
parameters
tolerance
300
mmol·L−1
stress.
Plants,
Journal Year:
2025,
Volume and Issue:
14(7), P. 1107 - 1107
Published: April 2, 2025
Halotolerant,
plant
growth-promoting
rhizobacteria
(PGPR)
are
known
to
alleviate
growth
under
abiotic
stresses,
especially
those
isolated
from
saline
arid
soils.
In
this
study,
66
bacterial
isolates,
obtained
various
habitats
in
Saudi
Arabia,
were
characterized
for
their
(PGP)
traits,
and
screened
heat
salt
stress
resilience.
Finally,
selected
halotolerant
PGPR
strains
assessed
potential
improve
maize
(Zea
mays
L.)
salinity
using
vitro
assays.
Our
results
indicated
that
many
isolates
possessed
key
PGP
traits
such
ACC
deaminase,
N-fixation,
phytohormone
production.
Additionally,
several
able
tolerate
high
temperatures,
20
classified
as
halotolerant.
Furthermore,
among
the
Pseudomonas
soyae
(R600),
Bacillus
haynesii
(SFO145),
Salinicola
halophilus
(SFO075),
Staphylococcus
petrasii
(SFO132)
significantly
enhanced
parameters
conditions
when
compared
uninoculated
plants.
These
good
candidates
be
explored
bioinoculants
sustainable
agriculture
soil
conditions.
International Journal of Environment and Climate Change,
Journal Year:
2024,
Volume and Issue:
14(6), P. 24 - 35
Published: June 4, 2024
Soil
salinization
poses
a
significant
threat
to
global
agriculture,
affecting
approximately
6.73m
Ha
land
area
in
India.
Salinity
stress
impacts
plant
growth
and
soil
health
negatively,
leading
reduced
crop
yields
degradation.
This
review
examines
the
sources
effects
of
salinity,
highlighting
intricate
interplay
between
salinity
nutrients
its
remediation.
Traditional
methods
for
remediation
often
have
detrimental
long-term
effects,
prompting
exploration
alternative
strategies
such
as
use
halo-tolerant
growth-promoting
rhizobacteria.
HT-PGPR
offer
promising
solution
sustainable
agriculture
by
enhancing
fertility
resilience
through
various
mechanisms.
Furthermore,
this
identifies
research
gaps
understanding
metabolic
pathways
strain
selection
HT-PGPR,
well
their
interactions
with
microbiota.
Future
directions
include
field-scale
experiments
validate
effectiveness
economic
viability
inoculation
large-scale
application
saline
soils.
Overall,
leveraging
potential
represents
critical
step
towards
mitigating
challenge
ensuring
food
security
face
climate
change.
Crops,
Journal Year:
2024,
Volume and Issue:
4(4), P. 463 - 479
Published: Oct. 12, 2024
Soil
salinity
significantly
impacts
crop
productivity.
In
response,
plant
growth-promoting
rhizobacteria
(PGPR)
offer
an
innovative
and
eco-friendly
solution
to
mitigate
stress.
However,
research
on
PGPR’s
effects
physiology
under
varying
levels
is
still
emerging.
This
study
evaluates
the
impact
of
five
bacterial
strains,
isolated
from
compost,
growth
maize
(Zea
mays)
tomato
(Solanum
lycopersicum)
plants
different
salt
involved
treating
seeds
with
then
planting
them
in
a
greenhouse
stress
conditions
(43
mM,
86
172
207
mM
NaCl)
using
Randomized
Complete
Block
Design.
Results
showed
that
inoculation
improved
saline
conditions.
S2015-1,
S2026-2,
S2027-2
(Bacillus
cereus,
Acinetobacter
calcoaceticus,
Bacillus
subtilis)
were
particularly
effective
promoting
stress,
especially
at
ionic
concentrations
43
leading
substantial
increase
fresh
dry
weight,
strain
S2015-1
boosting
chlorophyll
by
29%
both
crops.
These
results
highlight
potential
PGPR
enhance
resilience
productivity
climate-smart
agricultural
practices.
International Journal of Plant Biology,
Journal Year:
2024,
Volume and Issue:
15(4), P. 1418 - 1436
Published: Dec. 23, 2024
Aluminum
toxicity
in
acidic
soils
threatens
rice
(Oryza
sativa
L.)
cultivation,
hindering
agricultural
productivity.
This
study
explores
the
potential
of
plant
growth-promoting
rhizobacteria
(PGPR)
as
a
novel
and
sustainable
approach
to
mitigate
aluminum
stress
rice.
Two
varieties,
INIAP-4M
SUPREMA
I-1480,
were
selected
for
controlled
laboratory
experiments.
Seedlings
exposed
varying
concentrations
(0,
2,
4,
8,
16
mM)
presence
four
PGPR
strains:
Serratia
marcescens
(MO4),
Enterobacter
asburiae
(MO5),
Pseudomonas
veronii
(R4),
protegens
(CHAO).
The
variety
exhibited
greater
tolerance
than
maintaining
100%
germination
up
4
mM
higher
vigor
index
values.
revealed
that
different
responses
concentrations.
P.
S.
showed
highest
viability
at
0
(2.65
×
1010
1.71
CFU
mL−1,
respectively).
However,
2
mM,
indicating
their
superior
adaptability
under
moderate
stress.
At
all
strains
experienced
decrease,
with
E.
being
most
sensitive.
application
microbial
consortium
significantly
enhanced
growth,
increasing
height
73.75
cm,
root
fresh
weight
2.50
g,
leaf
6
g
compared
control
(42.75
0.88
3.63
These
findings
suggest
offer
promising
strategy
bolster
resilience
against
potentially
improve
crop
productivity
heavy
metal-contaminated
soils.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 30, 2024
Climate
change
has
caused
many
challenges
to
soil
ecosystems,
including
salinity.
Consequently,
strategies
are
advised
mitigate
this
issue.
In
context,
biochar
is
acknowledged
as
a
useful
addition
that
can
alleviate
the
detrimental
impacts
of
salt
stress
on
plants.
The
objective
study
evaluate
effects
different
levels
(Control;
T0
0
gl