Heliyon,
Journal Year:
2024,
Volume and Issue:
10(21), P. e39666 - e39666
Published: Oct. 22, 2024
In
arid
and
semi-arid
regions,
the
use
of
treated
wastewater
(TWW)
for
irrigation
is
gaining
ground
to
alleviate
pressure
on
natural
water
sources.
Despite
said
treatment,
existing
methods
fail
eliminate
potentially
dangerous
contaminants.
As
such,
this
study
assessed
impact
long-term
TWW
(5
25
years)
soil
physicochemical
properties
bacterial
resistance
heavy
metals
(Pb,
Cu,
Cd)
antibiotics
(tetracycline
amoxicillin).
The
results
revealed
heightened
salinity
conductivity
reduced
pH
in
irrigated
soils.
induces
harmful
effects
by
reducing
microbial
density
size,
leading
disappearance
sensitive
populations.
Conversely,
resilient
populations,
which
mainly
utilize
as
a
carbon
source,
have
adapted.
Metagenomic
16S
amplicon
sequencing
analysis
demonstrated
shift,
notably
Water,
Journal Year:
2023,
Volume and Issue:
15(21), P. 3746 - 3746
Published: Oct. 26, 2023
Microplastics
(MPs),
which
result
from
the
breakdown
of
plastic
waste,
have
become
ubiquitous
in
various
environmental
compartments.
The
“plastisphere”,
referring
to
unique
bacterial
communities
inhabiting
debris,
includes
pathogens
and
antibiotic
resistance
genes.
Wastewater
treatment
plants
(WWTPs)
are
hotspots
for
plastisphere
formation,
but
significant
releases
MPs
still
occur.
This
study
investigates
microbial
on
polystyrene
(PS)
through
situ
deployment
across
primary,
secondary,
tertiary
WWTP
stages.
Biofilms
formed
PS
exhibited
greater
diversity
than
background
waters.
Certain
genera
acted
as
pioneers
biofilms,
attracting
facilitating
accumulation
other
microbes
biofilms
became
more
resistant
processes
compared
freely
floating
bacteria.
sheds
light
evolution
within
WWTPs
their
roles
carriers
effluents,
with
implications
public
health.
Understanding
these
dynamics
is
crucial
effective
control
over
pollution
WWTPs.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 19, 2024
Marine
bacterioplankton
play
a
crucial
role
in
the
cycling
of
carbon,
nitrogen,
and
phosphorus
coastal
waters.
And
impact
environmental
factors
on
bacterial
community
structure
ecological
functions
is
dynamic
ongoing
process.
To
systematically
assess
relationship
between
changes
communities,
this
study
delved
into
spatiotemporal
distribution
predicted
metabolic
characteristics
communities
at
two
estuarine
beaches
Northern
China.
Coastal
water
samples
were
collected
regularly
spring,
summer,
autumn,
analyzed
combination
with
parameters
community.
Results
indicated
significant
seasonal
variations
as
Bacteroidetes
Actinobacteria
enriched
Cyanobacteria
proliferated
summer.
While
Pseudomonadota
microorganisms
associated
organic
matter
decomposition
prevailed
closely
linked
to
variation
temperature,
light
nutrients
such
nitrogen
phosphorus.
Particularly
increased
tourism
activities
riverine
inputs
significantly
raised
nutrient
levels,
promoting
proliferation
specific
photosynthetic
microorganisms,
potentially
occurrence
phytoplankton
blooms.
Spearman
correlation
analysis
further
revealed
correlations
salinity,
chlorophyll
,
total
dissolved
(TDP).
Additionally,
features
spring
primarily
characterized
by
enhanced
prokaryotic
carbon
fixation
pathways,
reflecting
rapid
adaptation
well
contributions
primary
productivity.
In
involved
glycolysis
biosynthetic
high
energy
metabolism
responses
biomass.
adapted
accelerated
conditions
through
amino
acid
material
pathways.
These
findings
demonstrate
that
human
influence
function
altering
dynamics
physical
conditions.
This
provides
important
scientific
insights
marine
biological
under
global
change.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(21), P. e39666 - e39666
Published: Oct. 22, 2024
In
arid
and
semi-arid
regions,
the
use
of
treated
wastewater
(TWW)
for
irrigation
is
gaining
ground
to
alleviate
pressure
on
natural
water
sources.
Despite
said
treatment,
existing
methods
fail
eliminate
potentially
dangerous
contaminants.
As
such,
this
study
assessed
impact
long-term
TWW
(5
25
years)
soil
physicochemical
properties
bacterial
resistance
heavy
metals
(Pb,
Cu,
Cd)
antibiotics
(tetracycline
amoxicillin).
The
results
revealed
heightened
salinity
conductivity
reduced
pH
in
irrigated
soils.
induces
harmful
effects
by
reducing
microbial
density
size,
leading
disappearance
sensitive
populations.
Conversely,
resilient
populations,
which
mainly
utilize
as
a
carbon
source,
have
adapted.
Metagenomic
16S
amplicon
sequencing
analysis
demonstrated
shift,
notably
