Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Авг. 1, 2022
Among
abiotic
stresses,
salinity
is
a
significant
limiting
factor
affecting
agricultural
productivity,
survival,
and
production,
resulting
in
economic
losses.
Considering
the
problem,
goal
of
this
study
was
to
identify
halotolerant
beneficial
soil
bacterium
circumvent
salinity-induced
phytotoxicity.
Here,
strain
KR-17
(having
an
irregular
margin;
mucoid
colony;
Gm-ve
short
rod;
optimum
temperature,
30°C;
pH
7.0;
no
any
pigmentation;
showed
positive
response
citrate
utilization,
catalase,
starch,
sucrose,
lactose,
dextrose,
etc.)
recovered
from
rhizosphere
soils
potato-cultivating
field,
tolerated
surprisingly
high
(18%
NaCl;
3.-M
concentration)
level
salt
identified
as
Kosakonia
radicincitans
(Accession
No.
OM348535).
This
discovered
be
metabolically
active,
synthesized
essential
PGP
bioactive
molecules
like
indole-3-acetic
acid
(IAA),
siderophore
(iron-chelating
compounds),
ACC
deaminase,
ammonia,
quantity
which,
however,
increased
with
increasing
NaCl
concentrations.
Raphanus
sativus
L.
(radish)
taken
model
crop
evaluate
adverse
impact
NaCl,
well
alleviation
by
K.
radicincitans.
Salinity-induced
toxicity
R.
dose-dependent
way,
observed
both
vitro
vivo
conditions.
Maximum
levels
(15%)
demonstrated
more
extreme
harm
considerably
reduced
plant's
biological
features.
However,
membrane
damage,
relative
leaf
water
content
(RLWC),
stressor
metabolites,
antioxidant
enzymes
were
concentration
increased.
In
contrast,
relieved
stress
enhanced
overall
performance
(L.)
germination
efficiency,
dry
biomass,
pigments
even
salt-challenged
Additionally,
inoculation
significantly
(p
≤
0.05)
improved
plant
mineral
nutrients
(Na,
K,
Ca,
Mg,
Zn,
Fe,
Cu,
P,
N).
Following
inoculation,
protein,
carbohydrates,
root
pigments,
amino
acids
(AsA
Lys),
lipids,
alkaloids
(L.).
Besides
these,
due
PGPR
seed
priming
NaCl-stressed/non-stressed
conditions,
RLWC,
defense
dramatically
reduced.
The
strong
biofilm-forming
capacity
could
result
colonization
under
stress.
Conclusively,
may
probably
investigated
affordably
greatest
way
increase
production
radish
salinity-stressed
soils.
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(15), С. 8519 - 8519
Опубликована: Июль 31, 2022
By
the
year
2050,
world's
population
is
predicted
to
have
grown
around
9-10
billion
people.
The
food
demand
in
many
countries
continues
increase
with
growth.
Various
abiotic
stresses
such
as
temperature,
soil
salinity
and
moisture
all
an
impact
on
plant
growth
development
at
levels
of
growth,
including
overall
plant,
tissue
cell,
even
sub-cellular
level.
These
directly
harm
plants
by
causing
protein
denaturation
aggregation
well
increased
fluidity
membrane
lipids.
In
addition
direct
effects,
indirect
damage
also
includes
synthesis
inhibition,
breakdown,
membranous
loss
chloroplasts
mitochondria.
Abiotic
stress
during
reproductive
stage
results
flower
drop,
pollen
sterility,
tube
deformation,
ovule
abortion,
reduced
yield.
Plant
nutrition
one
most
effective
ways
reducing
agricultural
crops.
this
paper,
we
discussed
effectiveness
different
nutrients
for
alleviating
stress.
roles
primary
(nitrogen,
phosphorous
potassium),
secondary
(calcium,
magnesium
sulphur),
micronutrients
(zinc,
boron,
iron
copper),
beneficial
(cobalt,
selenium
silicon)
crop
are
discussed.
Journal of Advanced Research,
Год журнала:
2023,
Номер
59, С. 129 - 140
Опубликована: Июнь 29, 2023
Soil
salinization
threatens
food
security
and
ecosystem
health,
is
one
of
the
important
drivers
to
degradation
many
ecosystems
around
world.
microorganisms
have
extremely
high
diversity
participate
in
a
variety
key
ecological
processes.
They
are
guarantees
for
soil
health
sustainable
development.
However,
our
understanding
function
under
change
increased
fragmented.
Here,
we
summarize
changes
microbial
influence
diverse
natural
ecosystems.
We
particularly
focus
on
bacteria
fungi
salt
stress
their
emerging
functions
(such
as
mediated
biogeochemical
processes).
This
study
also
discusses
how
use
microbiome
saline
soils
deal
with
supporting
ecosystems,
puts
forward
knowledge
gaps
research
directions
that
need
be
strengthened
future.
Due
rapid
development
molecular-based
biotechnology
(especially
high-throughput
sequencing
technology),
community
composition
functional
genes
been
extensively
characterized
different
habitats.
Clarifying
responding
pattern
microbial-mediated
nutrient
cycling
developing
utilizing
weaken
adverse
effects
plants
soil,
which
guiding
significance
agricultural
production
management
lands.
Life,
Год журнала:
2022,
Номер
12(2), С. 219 - 219
Опубликована: Янв. 30, 2022
Soil
salinity
is
one
of
the
abiotic
constraints
that
imbalance
nutrient
acquisition,
hampers
plant
growth,
and
leads
to
potential
loss
in
agricultural
productivity.
Salt-tolerant
growth-promoting
rhizobacteria
(PGPR)
can
alleviate
adverse
impacts
salt
stress
by
mediating
molecular,
biochemical,
physiological
status.
In
present
study,
bacterium
Bacillus
mycoides
PM35
showed
resistance
up
3
M
NaCl
exhibited
features.
Under
stress,
halo-tolerant
B.
significant
traits,
such
as
production
indole
acetic
acid,
siderophore,
ACC
deaminase,
exopolysaccharides.
Inoculation
alleviated
plants
enhanced
shoot
root
length
under
(0,
300,
600,
900
mM).
The
enhancing
photosynthetic
pigments,
carotenoids,
radical
scavenging
capacity,
soluble
sugars,
protein
content
inoculated
maize
compared
non-inoculated
plants.
addition,
significantly
boosted
antioxidant
activities,
relative
water
content,
flavonoid,
phenolic
osmolytes
while
reducing
electrolyte
leakage,
H2O2,
MDA
control
Genes
conferring
tolerance
(CzcD,
sfp,
srfAA
genes)
were
amplified
PM35.
Moreover,
all
reactions
are
accompanied
upregulation
stress-related
genes
(APX
SOD).
Our
study
reveals
capable
promoting
growth
increasing
Abstract
Environmental
stressors
such
as
drought,
salinity,
and
heavy
metals
pose
significant
obstacles
to
achieving
sustainable
food
security,
necessitating
the
development
of
universally
applicable
cost-effective
solutions
ameliorate
soil
under
stress.
Biochar,
an
eco-friendly
material
increase
crop
yield,
has
been
researched
for
almost
two
decades
great
potential
global
use
in
enhancing
stress
resistance.
However,
there
hasn't
comprehensive
research
on
impact
biochar
application
properties,
root
growth.
To
optimize
promote
agriculture
stress,
this
study
integrates
over
100
peer-reviewed
articles
explain
how
promotes
growth
by
resistance
Biochar's
distinctive
porous
structure,
alkaline
nature,
enriched
surface
functional
groups,
nutrient
content,
are
responsible
following
environment
benefits:
improved
physiochemical
increased
cycling,
boosted
microbial
Moreover,
emphasizes
that
enhanced
optimizes
absorption,
alleviates
pollutants,
thereby
enhances
overall
productivity.
The
discusses
roles
mechanisms
well
challenges
linked
economical
implementation
extreme
conditions.
This
review
aims
provide
a
theoretical
basis
widespread
improving
stresses,
health
security.
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