The
increasing
intensity
of
environmental
stresses
presents
significant
challenges
to
modern
agriculture.
assorted
group
all
stress-related
genes
and
mechanisms
carried
out
by
various
soil-inhabiting
microorganisms
could
readily
contribute
resistance
in
crop
plants
represented
as
soil
factors
(SRFs).
It
is
essential
have
a
profound
knowledge
the
SRFs
their
interaction
with
current
basic
develop
appropriate
strategies
that
effectively
improve
plant
growth.
Modern
microbiological
research
dedicated
understanding
relationship
between
organization
gene
function
involved
processes.
A
fraction
scientific
community
primarily
engaged
developing
culture-independent
techniques
substantial
(99%)
portion
still
not
cultivable
laboratory
conditions.
However,
exploitation
are
commencement.
metagenomic
method
has
proven
be
strong
methodological
tool
for
microbiome
SRF
analysis.
obtaining
detail
any
particular
can
completely
characterize
intricacy
metagenomes
interpret
meaningful
conclusions
about
native
microbial
communities
challenging.
This
review
provides
an
overview
methods
employed
gain
insights
into
specific
microbiomes
confer
abiotic
biotic
on
crops.
Heliyon,
Год журнала:
2024,
Номер
10(4), С. e26104 - e26104
Опубликована: Фев. 1, 2024
Land
productivity
in
arid
and
hot
climate
regions
is
constrained
by
water
scarcity
due
to
low
rainfall
organic
matter,
which
limit
both
soil-water
retention
crop
yields.
Main
objective
of
this
research
was
explore
the
potential
exopolysaccharide
(EPS)
producing
bacteria
screened
from
different
soils
for
enhancing
retention,
phosphorus
solubilization
maize
growth.
Twelve
soil
samples
were
drawn
diverse
ecologies
(sub-humid
arid)
isolate
EPS-producing
(EPB),
cultured
on
LB
Pikovskaya
media.
Nine
bacterial
strains
found
have
EPS
production
characteristic;
among
them,
2
most
efficient
EPB
selected
characterized
through
morphological,
biochemical
molecular
standard
procedures
identification.
These
potent
EPB-strains
as
Pseudomonas
aeruginosa
EPB9
Bacillus
cereus
EPB17.
Broth
cultures
10
days
old
(2d
10d)
used
inoculant
grow
growth
chamber
under
triplicated
factorial
CRD.
Treatments
were:
Control,
broth
(without
inoculum),
EPB9-2d,
EPB9-10d,
EPB17-2d,
EPB17-10d
inoculation
non-stressed
drought-stressed
soils.
Experiment
lasted
24
days,
when
plant
leaf
contents,
attributes
antioxidant
enzymes
measured.
Inoculation
significantly
enhanced
retained
until
harvesting
stage.
Higher
contents
leaves,
well
fresh
shoot
root
weight
with
EPB9-10d.
Plant
area
length
greater
inoculation.
Bacterial
also
caused
higher
protein
sugar,
lower
proline
plants.
Antioxidant
(SOD,
POD
CAT)
remained
treatments
reduced
drought
stress
than
control.
It
evident
that
could
survive
even
osmotic
stress,
retain
more
longer
time.
Further,
interact
together
tolerance
promotion
Therefore,
study
concludes
limited
conditions,
having
characteristics
antioxidative
enzyme
system
bears
improving
land
productivity.
Journal of Plant Growth Regulation,
Год журнала:
2024,
Номер
43(7), С. 2179 - 2196
Опубликована: Фев. 27, 2024
Abstract
Recently,
there
has
been
a
worldwide
call
to
explore
nature-friendly
compounds,
which
could
enhance
plant
growth
and
substitute
for
chemically
synthesized
products.
Endophytes
are
group
of
microorganisms
that
lives
in
the
plants
algae
symbiotically.
In
this
research,
endophytes
were
isolated
from
leaves
halophyte,
Limonium
axillare
.
A
total
280
bacterial
isolates
obtained
L.
Strains
displaying
similarities
terms
morphology
biochemical
reactions
categorized
into
48
groups.
One
representative
each
was
identified
subjected
enzymatic
growth-promoting
tests.
Forty-eight
using
sequence
similarity-based
method
based
on
16S
rDNA
gene.
The
strains
two
genera:
Bacillus
Staphylococcus
Our
investigation
uncovered
44
genus,
representing
10
different
species,
including
sp.,
B.
pseudomycoides
,
cereus
paramycoides
velezensis
subtilis
thuringiensis
wiedmannii
anthracis
bacterium
Furthermore,
we
observed
only
4
belonged
encompassing
3
distinct
species:
S.
succinus
saprophyticus
bacteria
screened
extracellular
enzymes,
promoting
traits,
antifungal
activity,
salinity
tolerance.
From
previous
screening,
diverse
responses
obtained.
Most
secreted
at
least
one
hydrolysis
enzymes
(protease,
lipase
amylase).
(93.8%)
showed
phosphate
solubilization
activity.
(33.3%)
produce
(IAA).
Siderophore
production
potential
present
91.7%
isolates,
while
ACC
deaminase
HCN
activities
52.1
41.7%
strains,
respectively.
Additionally,
DNase
activity
evident
27.1%,
ammonia
31.3%
isolates.
(AL4QUA)
strain
positive
effect
greenhouse
experiment
promoter
agent
biocontrol
against
Fusarium
oxysporum
pathogen
tomato
seedling.
Thus,
have
reduce
chemical
inputs
conventional
agricultural
practices,
increase
nutrient
uptake
improve
stress
resilience.
