Distribution status and influencing factors of antibiotic resistance genes in the Chaohu Lake, China
Yan Zhang,
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Guoao Ding,
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Yue Gao
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et al.
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e19384 - e19384
Published: April 25, 2025
Background
Chaohu
Lake
(CL)
is
one
of
the
most
polluted
areas
in
China
due
to
its
high
content
antibiotics.
However,
distribution
and
influencing
factors
antibiotic
resistance
genes
(ARGs)
this
lake
are
still
controversial.
Methods
To
solve
problem,
we
used
metagenomic
sequencing
investigate
in-fluencing
ARGs
CL.
Results
Our
findings
revealed
existence
nine
kinds
ARGs,
including
45
specific
genes.
The
abundant
types
were
multidrug,
bacitracin,
polymyxin,
macrolide
lincosamide
streptogramin,
aminoglycoside.
Multiple
microorganisms
undeniable
ARG
reservoirs,
although
they
not
dominant
species
microbiota.
results
also
showed
that
both
microbiota
physiochemical
played
important
roles
shaping
distributions
Specifically,
levels
PO4-P
(0.5927)
total
phosphorus
(0.4971)
had
a
greater
impact
than
nitrogen
(0.0515),
NO
3-
N
(0.0352),
NO2-N
(−0.1975),
NH3-N
(−0.0952).
Conclusions
These
provide
valuable
insights
into
lakes.
Language: Английский
Geographical and Environmental Factors Differentially Shape Planktonic Microbial Community Assembly and Resistomes Composition in Urban Rivers
Xin Liao,
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Hongjie Wang,
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Dong Wu
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et al.
Global Change Biology,
Journal Year:
2025,
Volume and Issue:
31(4)
Published: April 1, 2025
ABSTRACT
Global
urbanization
accelerates
pollution
challenges
in
urban
rivers,
including
increased
transmission
of
bacterial
antibiotic
resistance
genes
(ARGs),
severely
threatening
the
health
aquatic
ecosystems
and
human
health.
Yet,
systematic
knowledge
differences
distribution
community
assembly
patterns
across
rivers
at
a
continental
scale
is
still
insufficient.
In
this
study,
we
conducted
extensive
sampling
nine
representative
China.
We
used
amplicon
shotgun
metagenomic
sequencing,
state‐of‐the‐art
bioinformatics,
multivariate
statistics
to
investigate
mechanisms
planktonic
microbiomes
(i.e.,
bacterioplankton
microeukaryotes),
their
resistomes,
i.e.,
ARGs
metal
(MRGs).
Geographical
environmental
factors
played
pivotal
role
shaping
vs.
resistomes
studied
rivers.
Phylogenetic‐bin‐based
null
model
analysis
(iCAMP)
indicated
that
microbiomes,
dominated
by
dispersal
limitation
drift,
tend
toward
spatial
heterogeneity.
contrast,
driven
deterministic
processes,
display
more
similar
patterns.
Cross‐validated
Mantel
tests
revealed
geographical
geographic
distance)
were
primary
regulators
microbial
assembly,
while
temperature)
control
processes
resistomes.
Our
findings
provide
crucial
insights
into
driving
biogeographical
entities
scale,
offering
valuable
implications
for
mitigating
managing
spread
from
environment
humans.
Language: Английский
A “Turn-on” Fluorescence Sensing Strategy Based on DNA-templated Silver Nanoclusters for the Detection of Antibiotic Resistance Genes
Analytica Chimica Acta,
Journal Year:
2025,
Volume and Issue:
unknown, P. 344170 - 344170
Published: May 1, 2025
Language: Английский
Oxygen Vacancies and Lattice Distortion Synergistically Enhanced Piezocatalysis of CaZn2(BO3)2 for Nonantibiotic Pharmaceutical Degradation
Xinyi Lu,
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Runzhe Zhang,
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Yi Liu
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et al.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(46), P. 63692 - 63702
Published: Nov. 7, 2024
Piezocatalysis,
an
emerging
green
and
advanced
oxidation
technology,
has
recently
been
widely
researched
in
environmental
treatment.
However,
the
limited
polarization
efficiency
of
piezocatalyst
is
a
serious
bottleneck
for
its
practical
application.
The
search
excellent
with
high
piezoelectric
coefficient
abundant
reactive
sites
remains
urgent
task
that
needs
to
be
developed.
Herein,
piezocatalyst,
CaZn2(BO3)2
(CZBO),
obtained
by
quenching
piezocatalysis,
which
exhibited
superior
activity
ibuprofen
(IBP)
carbamazepine
(CBZ)
removal
100%
83.8%
under
ultrasonic
cavitation
(120
W,
40
kHz)
within
36
min,
respectively.
outstanding
piezocatalytic
degradation
was
attributed
strong
material
synergistic
effect
oxygen
vacancies
(OVs)
lattice
distortion,
effectively
facilitated
generation
concentration
species
(ROS).
distortion
induced
O-deficient
[BO3]
plane
units
can
promote
e–
h+
pair
separation
transportation,
OVs
electron-rich
regions
significantly
decrease
O–O
bond
activation
energy,
thus
collaboratively
contributing
production
ROS
IBP
CBZ
degradation.
This
work
provides
simple
avenue
enhancing
based
on
proposes
insights
into
reaction
mechanisms
degrading
nonantibiotic
pharmaceuticals
wastewater.
Language: Английский