Impact of earthworms on suppressing dissemination of antibiotic resistance genes during vermicomposting treatment of excess sludge
Hongan Guo,
No information about this author
Li Zhan,
No information about this author
Xiaojie Sun
No information about this author
et al.
Bioresource Technology,
Journal Year:
2024,
Volume and Issue:
406, P. 130991 - 130991
Published: June 15, 2024
Language: Английский
Elucidating airborne bacterial communities and their potential pathogenic risks in urban metro environments
Ecotoxicology and Environmental Safety,
Journal Year:
2025,
Volume and Issue:
292, P. 117936 - 117936
Published: Feb. 22, 2025
Language: Английский
Spatial and Temporal Patterns of Public Transit Aerobiomes
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
Abstract
Background
Aerobiome
diversity
is
extensive,
however
community
structure
at
the
species
level
remains
elusive.
Likewise,
microbiomes
of
public
transit
systems
are
interest
due
to
their
importance
for
health,
though
few
studies
have
focused
on
these
ecosystems
whilst
utilising
shotgun
metagenomics.
Aerosol
predominantly
individual
cities,
with
limited
between-city
comparisons
suggesting
specific
structures.
Longitudinal
show
aerobiome
as
dynamic,
fluctuating
during
seasonal
and
daily
cycles,
an
annual
cycle
be
considered.
Further,
a
bacterial
bias
has
fungal
studies,
considering
both
fractions
collectively.
As
such,
objective
this
study
was
examine
spatial
temporal
patterns
in
aerobiomes,
emphasis
bacteria
fungi.
Results
Air
samples
taken
over
three-year
period
(2017-2019)
from
six
global
cities
were
subjected
metagenomic
sequencing.
Improved
classification
databases,
notably
fungi,
applying
stringent
parameters
trimming,
exogenous
contamination
removal
yielded
high
species-level
resolution.
Microbial
varied
substantially
among
while
human
environmental
factors,
recorded
parallel,
secondary
significance.
Bacteria
dominated
increased
presence
higher
population
densities.
All
aerobiomes
had
complex
compositions,
consisting
hundreds
thousands
species.
Annual
variation
significance
structure.
Conclusions
Cities
most
important
factor
contributing
structure,
demonstrating
signatures.
correlation
between
geographical
distance
genetic
signatures
suggested.
abundant
constituent
no
single
globally
dominant,
conversely
indicating
large
inter-city
The
ubiquitous
core
rejected,
sub-core
confirmed.
For
first
time,
local
cores
presented
each
city
related
ecological
niches.
robust
bioinformatics
analysis
pipeline
identify
remove
contaminants
studying
low
biomass
highlighted.
Lastly,
definition
contaminant
taxon
tables,
facilitate
future
presented.
Language: Английский
Bioaerosols in Various Working and Living Environments and Their Control Measure: A Review
Lu Ke,
No information about this author
Jiali Zhang,
No information about this author
Yiran Li
No information about this author
et al.
Current Pollution Reports,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: April 26, 2025
Language: Английский
Bacterial structures and their associated ARGs in Shanghai subway air, China
Journal of Aerosol Science,
Journal Year:
2024,
Volume and Issue:
179, P. 106383 - 106383
Published: April 15, 2024
The
air
in
the
metro
or
subway
system,
which
is
a
major
form
of
public
transportation
many
metropolises,
contributes
to
transmission
pathogenic
microorganisms.
In
this
study,
18
aerosol
samples
were
collected
from
two
typical
Shanghai
stations
(A
and
B)
summer,
transition,
winter
seasons.
Bacterial
communities
their
associated
antibiotic
resistance
genes
(ARGs)
analyzed
using
shotgun
metagenomic
sequencing.
Metagenomic
analysis
approaches
random
forest
classification
used
compare
screen
distribution
key
target
species
ARGs.
Bacteria
predominant
microbial
kingdom
with
relative
abundance
88.28%.
total,
5303
bacterial
identified
A
B.
top
three
abundant
unclassified_Pseudomonas,
Ewingella_americana,
Halalkalicoccus_subterraneus.
Microbial
diversity
revealed
that
significantly
varied
between
seasons
(P
<
0.05).
Additionally,
factors,
such
as
temperature,
humidity,
fine
particulate
matter
(PM2.5)
regulated
community
structure
algorithm
was
bioindicators
communities.
Some
these
communities,
primarily
derived
environmental
sources,
may
pose
health
risks.
312
ARG
subtypes
related
20
classes
Random
results
indicative
types
ARGs,
including
those
involved
metabolizing
aminoglycoside,
beta-lactam,
multidrug,
rifamycin-type
antibiotics.
This
study
provides
novel
insights
into
ARGs
micro-environments
dissemination
environments.
Language: Английский
Antibiotic Resistance as a Functional Characteristic of Urban Dust Particles’ Microbial Communities
Biology,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1022 - 1022
Published: Dec. 6, 2024
Urban
dust
samples
were
collected
in
Moscow
(Russia)
June
2021.
The
three
functional
zones
of
(traffic,
residential,
and
recreational)
included
air
microparticles,
leaf
dust,
paved
dust.
Data
on
the
taxonomic
composition
bacterial
communities
obtained
for
samples,
their
characteristics
predicted
using
PICRUSt2
2.5.0
FAPROTAX
1.8.0
software.
culturable
part
community
was
examined
presence
antibiotic-resistant
strains
with
respect
to
β-lactams,
tetracyclines,
amphenicols,
aminoglycosides.
bacteria
resistant
ceftazidime,
cefepime,
tetracycline
detected
all
samples.
meropenem
amikacin
only
observed
from
leaves
residential
traffic
zones.
overall
abundance
cultured
total
heterotrophs
ranged
0.03%
1.88%,
highest
percentage
zone.
Notably,
antibiotics
tested
community.
Language: Английский