Egyptian Journal of Desert Research,
Journal Year:
2024,
Volume and Issue:
74(1), P. 59 - 87
Published: March 9, 2024
Fusarium
wilt,
a
fungal
disease,
significantly
threatens
faba
bean
yield
in
Egypt.
This
current
study
investigated
the
potency
of
combined
application
endophytic
bacteria,
decomposed
olive
leaves
extract
(OLE),
and
iron
nanoparticles
(FeNPs)
for
its
biocontrol
growth
promotion
bean.
Two
bacterial
strains
isolated
from
helthy
plants
identified
using
16S
rRNA
nucleotide
sequence
as
Bacillus
subtilis
Pseudoroseomonas
wenyumeiae
were
studied
their
antagonistic
plant
promoting
traits
activities,
FeNPs
was
biosynthesized
via
wenyumeiae.
OLE
biodegraded
fungus
Bosea
thiooxidans
to
enhance
antifungal
potential.
A
research
experiment
designed
based
on
natural
field
infection.
Significant
differences
disease
severity
index
(DSI)
incidence
(DI)
noticed.
While
untreated
exhibited
highest
burden
(DI
=
72.5%,
DSI
0.275),the
bioagents,
OLE,
both
soil
drench
foliar
spray
showed
lowest
34.2%,
0.089).
Treated
demonstrated
improved
parameters,
including
increased
height,
wet
dry
weight,
number
pods,
weight
100
seeds,
macro-
microelement
content.
suggested
that
synergistic
combination
offered
promising
sustainable
strategy
against
wilt
bean,
reducing
reliance
chemical
pesticides.
Environmental Pollutants and Bioavailability,
Journal Year:
2024,
Volume and Issue:
36(1)
Published: March 6, 2024
Endophytes,
as
microorganisms
widely
present
in
plants,
have
an
important
role
plant
growth
and
development.
Abiotic
stresses
are
very
essential
influence
on
Endophytes
host
plants
diverse,
however,
beneficial
endophytes
used
to
make
resistant
abiotic
stresses.
This
review
focuses
studying
the
regulatory
roles
of
different
under
stresses,
explained
special
pathway
related
mechanism
heavy
metal
stress,
such
cadmium,
manganese
zinc
stress.
How
do
dominant
respond
salt
heat
stress
affect
physiological
characteristics?
In
addition,
we
also
summarized
potential
application
reducing
toxicity
pathogens,
promoting
crop
growth,
biomedicine
ecological
restoration,
other
aspects,
provide
reference
for
further
in-depth
research
action
effective
utilization
endophytes.
Plants,
Journal Year:
2024,
Volume and Issue:
13(10), P. 1303 - 1303
Published: May 9, 2024
Severe
cadmium
contamination
poses
a
serious
threat
to
food
security
and
human
health.
Plant–microbial
combined
remediation
represents
potential
technique
for
reducing
heavy
metals
in
soil.
The
main
objective
of
this
study
is
explore
the
mechanism
cadmium-contaminated
soil
using
approach
lawn
plants
microbes.
target
bacterium
Bacillus
cereus
was
selected
from
mining
areas,
two
(Festuca
arundinacea
A‘rid
III’
Poa
pratensis
M‘idnight
II’)
were
chosen
as
plants.
We
investigated
effect
different
concentrations
bacterial
solution
on
through
pot
experiments,
well
impact
microbial
community
structure.
results
demonstrate
that
promotes
plant
growth,
action
improves
quality,
enhancing
bioavailability
At
suspension
concentration
105
CFU/mL,
optimal
treatment
observed.
removal
efficiency
under
Festuca
treatments
reached
33.69%
33.33%,
respectively.
Additionally,
content
bioavailable
rhizosphere
increased
by
up
13.43%
26.54%,
diversity
non-rhizosphere
both
but
reduced
it
relative
abundance
Actinobacteriota
Firmicutes,
which
have
metal
remediation,
after
application
solution.
This
demonstrates
can
enhance
remediate
reshape
communities
soils.
Plants,
Journal Year:
2024,
Volume and Issue:
13(19), P. 2703 - 2703
Published: Sept. 27, 2024
The
objective
of
the
present
study
was
to
isolate
endophytes
from
roots
halophyte
Sesuvium
portulacastrum,
which
is
applied
for
aquatic
phytoremediation.
From
these
endophytes,
siderophore-producing
bacteria
were
specifically
isolated
their
potential
capacity
promote
plant
growth.
siderophore
production
quantified,
and
a
high-yield
strain
selected
further
investigation.
A
total
33
endophytic
successfully
identified
using
culturable
approach.
Of
these,
10
selective
agar
assay,
displaying
unit
(SU)
values
ranging
11.90%
80.39%.
It
noteworthy
that
Erwinia
sp.
QZ-E9
exhibited
highest
capacity,
achieving
an
SU
microcosm
co-cultivation
experiment
conducted
with
in
iron-deficient
conditions
(2
μmol/L
Fe3⁺).
results
demonstrated
significantly
enhanced
growth
S.
by
increases
both
fresh
weight
(1.41
g)
root
length
(18.7
cm).
Furthermore,
fluorescence
situ
hybridization
(FISH)
utilized
ascertain
colonization
pattern
within
roots.
analysis
extensive
epidermal
outer
cortical
cells
portulacastrum
roots,
as
well
intercellular
spaces
vascular
tissues.
This
indicated
plays
crucial
role
promoting
presumably
through
its
siderophore-mediated
iron
acquisition
mechanism.
