Environmental Science & Technology,
Год журнала:
2023,
Номер
57(32), С. 12105 - 12116
Опубликована: Авг. 2, 2023
Intracellular
antibiotic
resistance
genes
(iARGs)
constitute
the
important
part
of
wastewater
ARGs
and
need
to
be
efficiently
removed.
However,
due
dual
protection
intracellular
DNA
by
bacterial
membranes
cytoplasm,
present
disinfection
technologies
are
largely
inefficient
in
iARG
degradation.
Herein,
we
for
first
time
found
that
erythrosine
(ERY,
an
edible
dye)
could
degrade
iARGs
producing
abundant
1O2
under
visible
light.
Seven
log
antibiotic-resistant
bacteria
were
inactivated
within
only
1.5
min,
6
completely
degraded
40
min
photosensitized
ERY
(5.0
mg/L).
A
linear
relationship
was
established
between
ARG
degradation
rate
constants
concentrations
photosensitizing
system.
Surprisingly,
a
3.2-fold
faster
than
extracellular
observed,
which
attributed
unique
indirect
oxidation
induced
1O2.
Furthermore,
effective
real
other
photosensitizers
(including
Rose
Bengal
Phloxine
B)
high
yields
also
achieve
efficient
The
findings
increase
our
knowledge
preference
provide
new
strategy
developing
with
yield,
like
photosensitizing,
removal.
Antibiotics,
Год журнала:
2023,
Номер
12(4), С. 676 - 676
Опубликована: Март 30, 2023
Recently,
the
emergence
of
multidrug-resistant
bacteria
due
to
misuse
antibiotics
has
attracted
attention
as
a
global
public
health
problem.
Many
studies
have
found
that
fermented
foods
are
good
sources
probiotics
beneficial
human
immune
system.
Therefore,
in
this
study,
we
tried
find
substance
for
safe
alternative
treatment
bacterial
infection
kimchi,
traditional
food
from
Korea.Antimicrobial
activity
and
antibiofilm
were
assessed
against
(MDR)
Pseudomonas
aeruginosa
using
cell-free
supernatants
lactic
acid
(LAB)
isolated
kimchi.
Then,
UPLC-QTOF-MS
analysis
was
performed
detect
substances
responsible
antimicrobial
effect.The
supernatant
(CFS)
strain
K35
kimchi
effectively
inhibited
growth
MDR
P.
aeruginosa.
Similarly,
CFS
combined
with
co-cultures
produced
significant
inhibition
biofilm
formation
upon
testing.
On
basis
16s
rRNA
gene
sequence
similarity,
identified
Pediococcus
inopinatus.
As
result
inopinatus
K35,
curacin
A
pediocin
detected.As
it
confirmed
significantly
reduced
formation.
may
emerge
potential
source
able
help
manage
diseases
associated
antibiotic-resistant
infections.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(32), С. 12105 - 12116
Опубликована: Авг. 2, 2023
Intracellular
antibiotic
resistance
genes
(iARGs)
constitute
the
important
part
of
wastewater
ARGs
and
need
to
be
efficiently
removed.
However,
due
dual
protection
intracellular
DNA
by
bacterial
membranes
cytoplasm,
present
disinfection
technologies
are
largely
inefficient
in
iARG
degradation.
Herein,
we
for
first
time
found
that
erythrosine
(ERY,
an
edible
dye)
could
degrade
iARGs
producing
abundant
1O2
under
visible
light.
Seven
log
antibiotic-resistant
bacteria
were
inactivated
within
only
1.5
min,
6
completely
degraded
40
min
photosensitized
ERY
(5.0
mg/L).
A
linear
relationship
was
established
between
ARG
degradation
rate
constants
concentrations
photosensitizing
system.
Surprisingly,
a
3.2-fold
faster
than
extracellular
observed,
which
attributed
unique
indirect
oxidation
induced
1O2.
Furthermore,
effective
real
other
photosensitizers
(including
Rose
Bengal
Phloxine
B)
high
yields
also
achieve
efficient
The
findings
increase
our
knowledge
preference
provide
new
strategy
developing
with
yield,
like
photosensitizing,
removal.