Interplay of xenobiotic-degrading and antibiotic-resistant microorganisms among the microbiome found in the air, handrail, and floor of the subway station
Environmental Research,
Journal Year:
2024,
Volume and Issue:
247, P. 118269 - 118269
Published: Jan. 19, 2024
Language: Английский
Fungal communities as dual indicators of river biodiversity and water quality assessment
Water Research,
Journal Year:
2024,
Volume and Issue:
253, P. 121252 - 121252
Published: Feb. 3, 2024
Given
their
ecological
importance,
bioindicators
are
used
for
the
assessment
of
health
river
ecosystems.
This
study
explored
fungal
compositions
and
potential
taxa
as
indicating
water
quality
Mekong
River,
use
indicators
River
was
not
previously
well
characterized.
The
exhibited
dynamic
variations
in
both
physicochemical/hydrochemical
properties
communities
according
to
seasons
locations.
results
revealed
dominance
alkaline
earth
metal
ions
weak
acids
water.
magnesium-bicarbonate
type
found
dry
season,
but
became
chloride-calcium
or
mixed
rainy
season
at
downstream
sites.
Fungal
composition
analysis
Chytridiomycota
intermediate
periods,
Ascomycota
Basidiomycota
season.
were
influenced
by
stochastic
deterministic
assembly
processes,
mainly
homogenous
selection,
heterogeneous
dispersal
limitation.
extent
environmental
filtering
implied
that
some
affected
conditions,
suggesting
possibility
identifying
certain
suitable
being
quality.
Subsequently,
RFE
with
Random
Forest
SVM
model
identified
specific
bins
mostly
consisting
Agaricomycetes
(mainly
Polyporales,
Agaricales,
Auriculariales),
Rozellomycota
could
predict
ambient
irrigation
high
selectivity
sensitivity.
These
thus
promote
assess
river.
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
Estimation of microbial inhalation exposure and prediction of microbial concentrations in rail transportation facilities during the COVID-19 pandemic
Bong Gu Lee,
No information about this author
Yea Joon Kim,
No information about this author
Joo Eun Shim
No information about this author
et al.
Aerosol Science and Technology,
Journal Year:
2024,
Volume and Issue:
58(3), P. 309 - 322
Published: Feb. 7, 2024
Transportation
facilities
are
characterized
by
high
population
density
and
significant
passenger
turnover.
These
environments
provide
optimal
conditions
for
the
transmission
of
airborne
microorganisms.
We
collected
microbial
samples
in
transportation
Republic
Korea
characterize
bacterial
fungal
communities,
respiratory
disease-associated
viruses
using
qPCR,
derived
regression
equations.
inhalation
exposure
levels
were
estimated
based
on
air
concentration
microbiomes
average
weight
rate
Koreans.
Microbial
copy
numbers
compared
differences
facility
type
season.
The
concentrations
bacteria
(p
<
0.001)
influenza
A
virus
0.01)
differed
depending
facility,
whereas
fungi
showed
variations
season
0.001).
Significant
noted,
particularly
relation
to
human
rhinovirus,
both
terms
seasonal
patterns
0.05)
between
different
0.05).
found
that
adenovirus
positively
influenced
particulate
matter,
while
rhinovirus
was
negatively
affected
temperature
Bacteria
CO2
matter
0.01),
relative
humidity
level
among
male
children
exceeded
adult
males
Additionally,
microbes
higher
trains
than
train
stations,
which
attributed
usage
times.
Language: Английский
Macrobial airborne environmental DNA analysis: A review of progress, challenges, and recommendations for an emerging application
Molecular Ecology Resources,
Journal Year:
2024,
Volume and Issue:
24(7)
Published: Aug. 8, 2024
In
the
context
of
looming
global
biodiversity
loss,
effective
species
detection
represents
a
critical
concern
for
ecological
research
and
management.
Environmental
DNA
(eDNA)
analysis,
which
refers
to
collection
taxonomic
identification
genetic
fragments
that
are
shed
from
an
organism
into
its
surroundings,
emerged
approximately
15
years
ago
as
sensitive
tool
detection.
Today,
one
frontiers
eDNA
concerns
analysis
material
in
dust
other
airborne
materials,
termed
analysis.
As
study
matures,
it
is
appropriate
time
review
foundational
emerging
studies
make
up
current
literature,
use
reviewed
literature
summarize,
synthesize,
forecast
major
challenges
opportunities
this
advancing
front.
Specifically,
we
"ecology
eDNA"
framework
organize
our
findings
across
origin,
state,
transport,
fate
materials
environment,
summarize
what
so
far
known
their
interactions
with
surrounding
abiotic
biotic
factors,
including
population
community
ecologies
ecosystem
processes.
Within
work
identify
key
challenges,
opportunities,
future
directions
associated
application
development.
Lastly,
discuss
development
applications,
partnerships,
messaging
promote
growth
field.
Together,
broad
potential
rate
at
accelerating
field
suggest
sky's
limit
science.
Language: Английский