Plants,
Год журнала:
2023,
Номер
12(17), С. 3037 - 3037
Опубликована: Авг. 24, 2023
Quorum
sensing
(QS)
is
a
communication
mechanism
used
among
microorganisms
that
regulate
the
population
density
and
behavior
by
concentration
of
signaling
molecules.
quenching
(QQ),
novel,
eco-friendly,
efficient
method
for
disease
control,
interferes
with
QS
disturbing
production
enzymatic
degradation
molecules,
blocking
microorganisms,
thus
has
deep
potential
use
in
plant
control.
Pectobacterium
carotovorum
can
cause
bacterial
soft
rot,
resulting
yield
reduction
variety
crops
worldwide,
be
mediated
regulated
N-acyl
homoserine
lactones
(AHLs),
which
are
typical
In
this
study,
novel
strain
Pseudomonas
multiresinivorans
QL-9a
was
isolated
characterized,
it
showed
excellent
ability
against
AHLs,
degrading
98.20%
N-(-3-oxohexanoyl)-L-homoserine
lactone
(OHHL)
within
48
h.
Based
on
results
gas
chromatography–mass
spectrometer
(GC–MS)
analysis,
possible
pathway
proposed
to
decompose
OHHL
into
fatty
acids
lactone,
AHL
acylase
involved.
Additionally,
been
demonstrated
its
crude
enzyme
promising
biocontrol
agents
considerably
reduce
severity
rot
brought
P.
carotovorum,
consequently
preventing
maceration
host
tissues.
All
these
suggest
applications
control
various
diseases
AHLs.
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
The
extensive
agricultural
use
of
the
fungicide
difenoconazole
(DIF)
and
its
associated
toxicity
increasingly
damage
ecosystems
human
health.
Thus,
an
urgent
need
is
to
develop
environmentally
friendly
technological
approaches
capable
effectively
removing
DIF
residues.
In
this
study,
strain
Pseudomonas
putida
A-3
was
isolated
for
first
time
which
can
degrade
efficiently.
After
optimization
degradation
conditions,
rate
reached
75.98%.
Moreover,
a
new
pathway,
including
hydroxylation,
hydrolysis,
dechlorination,
ether
bond
breaking.
acute
chronic
products
assessed
using
ECOSAR
software
showed
lower
than
parent
compound.
Furthermore,
remarkably
accelerated
in
contaminated
water-sediment
systems.
We
successfully
predicted
six
potential
key
enzymes
based
on
results
whole
genome
sequencing,
RT-qPCR,
molecular
docking.
Overall,
revealed
novel
pathways
biodegradation
provide
strong
candidate
bioremediation
residue-polluted
environments.
International Journal of Phytoremediation,
Год журнала:
2025,
Номер
unknown, С. 1 - 13
Опубликована: Фев. 13, 2025
Glyphosate
can
disrupt
the
food
chain
and
harm
non-target
organisms,
highlighting
need
to
remediate
contaminated
soils.
This
study
sought
determine
efficacy
of
co-applying
mixed
microbial
culture
(MMC)
two
different
levels
nitrogen
(50%
100%)
in
glyphosate-contaminated
soil
(800
mg/kg)
assess
their
role
maize
(Zea
mays
L.)
growth
physiology
glyphosate
uptake
by
plants
removal
from
soil.
The
results
showed
that
posed
significant
phytotoxicity
causing
up
43.7-91.5%,
8.60-54.3%,
13.2-51.6%
reduction
nutrient
uptake,
physiological,
attributes
soil,
respectively.
co-application
MMC
recommended
dose
100%
significantly
improved
agronomic
(24.6-55.0%),
(37.4-90.0%),
physiological
(16.9-54.0%)
as
compared
unamended
controls.
Although
individual
application
or
N
was
effective
improving
further
enhanced
this
effect
removing
85.8%
higher
than
respective
control.
research
strategy
contributes
sustainable
development
goal
2
(zero-hunger)
15
(life
on
land)
enhancing
production,
remediating
restoring
ecosystem.
Journal of Integrative Agriculture,
Год журнала:
2024,
Номер
unknown
Опубликована: Март 1, 2024
Nicosulfuron
(NSR),
a
sulfonylurea
herbicide,
can
easily
enter
water
bodies,
affecting
aquatic
life
and
human
safety.
Here,
bacteria
consortium
YM2
was
enriched
domesticated
from
the
active
sludge
of
pesticide
plant
for
bioremediation
NSR
wastewater.
The
response
surface
methodology
data
revealed
that
under
optimal
incubation
conditions:
9.41
g
L–1
maltodextrin,
21.37
yeast
extract,
12.45
NaCl,
degraded
97.49%
within
4
d.
degradation
conditions
were
temperature
30°C,
pH
6.0,
inoculum
1%,
initial
concentration
20
mg
L–1),
system
tolerant
to
heavy
metal
ions
such
as
Cd2+,
Pb2+,
Ni2+,
Zn2+
mainly
occurred
through
bacterial
extracellular
enzymes
(92.17%).
Mechanistically,
during
process,
reactive
oxygen
species,
oxidative
stress,
cell
membrane
permeability,
hydrophobicity,
apoptosis
rate
first
increased
then
decreased.
Also,
expression
biofilm
formation-related
genes
luxS,
waaE,
spo0A,
wza
varied
with
time
concentration.
wastewater
soil
1.92
2.72
L–1,
respectively.
In
simulated
treatment
unit
(hydraulic
retention
12
h),
84.55%
after
10
This
study
provides
theoretical
basis
microbial
remediation
NSR.
