Metabolites,
Год журнала:
2023,
Номер
13(3), С. 343 - 343
Опубликована: Фев. 24, 2023
Passengers
are
at
a
higher
risk
of
respiratory
infections
and
chronic
diseases
due
to
microbial
exposure
in
airline
cabins.
However,
the
presence
virulence
factors
(VFs),
antimicrobial
resistance
genes
(ARGs),
metabolites,
chemicals
yet
be
studied.
To
address
this
gap,
we
collected
dust
samples
from
cabins
two
airlines,
one
with
textile
seats
(TSC)
leather
(LSC),
analyzed
using
shotgun
metagenomics
LC/MS.
Results
showed
that
abundances
17
VFs
11
were
significantly
TSC
than
LSC
(
Eco-Environment & Health,
Год журнала:
2023,
Номер
2(4), С. 208 - 218
Опубликована: Авг. 22, 2023
Indoor
microorganisms
impact
asthma
and
allergic
rhinitis
(AR),
but
the
associated
microbial
taxa
often
vary
extensively
due
to
climate
geographical
variations.
To
provide
more
consistent
environmental
assessments,
new
perspectives
on
exposure
for
AR
are
needed.
Home
dust
from
97
cases
(32
alone,
37
28
comorbidity)
52
age-
gender-matched
controls
in
Shanghai,
China,
were
analyzed
using
high-throughput
shotgun
metagenomic
sequencing
liquid
chromatography-mass
spectrometry.
Homes
of
healthy
children
enriched
with
microbes,
including
Paracoccus,
Pseudomonas,
Psychrobacter,
metabolites
like
keto
acids,
indoles,
pyridines,
flavonoids
(astragalin,
hesperidin)
(False
Discovery
Rate
<
0.05).
A
neural
network
co-occurrence
probability
analysis
revealed
that
involved
producing
these
pyridines.
Conversely,
homes
diseased
mycotoxins
synthetic
chemicals,
herbicides,
insecticides,
food/cosmetic
additives.
Using
a
random
forest
model,
characteristic
Shanghai
used
classify
high
low
prevalence
asthma/AR
an
independent
dataset
Malaysian
schools
(N
=
1,290).
achieved
average
accuracy
74.9%
77.1%
differentiating
AR,
respectively,
whereas
indoor
only
51.0%
59.5%,
respectively.
These
results
suggest
chemicals
rather
than
microbiome
potentially
superior
indicators
childhood
AR.
This
study
extends
traditional
risk
assessment
focusing
allergens
or
air
pollutants
thereby
revealing
potential
novel
intervention
strategies
diseases.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(32), С. 11750 - 11766
Опубликована: Июль 31, 2023
Airborne
bacteria
and
endotoxin
may
affect
asthma
allergies.
However,
there
is
limited
understanding
of
the
environmental
determinants
that
influence
them.
This
study
investigated
airborne
microbiomes
in
homes
1038
participants
from
five
cities
Northern
Europe:
Aarhus,
Bergen,
Reykjavik,
Tartu,
Uppsala.
dust
particles
were
sampled
with
electrostatic
fall
collectors
(EDCs)
participants'
bedrooms.
The
washed
EDCs'
clothes
was
used
to
extract
DNA
endotoxin.
extracts
for
quantitative
polymerase
chain
(qPCR)
measurement
16S
rRNA
gene
sequencing,
while
measured
using
kinetic
chromogenic
limulus
amoebocyte
lysate
(LAL)
assay.
results
showed
households
Tartu
Aarhus
had
a
higher
bacterial
load
diversity
than
those
Bergen
possibly
due
elevated
concentrations
outdoor
taxa
associated
low
precipitation
high
wind
speeds.
Bergen-Tartu
highest
difference
(ANOSIM
npj Biofilms and Microbiomes,
Год журнала:
2023,
Номер
9(1)
Опубликована: Дек. 7, 2023
Abstract
Urban
microbiome
plays
crucial
roles
in
human
health
and
are
related
to
various
diseases.
The
MetaSUB
Consortium
has
conducted
the
most
comprehensive
global
survey
of
urban
microbiomes
date,
profiling
microbial
taxa/functional
genes
across
60
cities
worldwide.
However,
influence
environmental/demographic
factors
on
remains
be
elucidated.
We
collected
35
environmental
demographic
characteristics
examine
their
effects
diversity/composition
by
PERMANOVA
regression
models.
PM
10
concentration
was
primary
determinant
factor
positively
associated
with
α-diversity
(observed
species:
p
=
0.004,
β
1.66,
R
2
0.46;
Fisher’s
alpha:
0.005,
0.68,
0.43),
whereas
GDP
per
capita
negatively
0.046,
−0.70,
0.10;
−0.34,
0.22).
β-diversity
shaped
seven
characteristics,
including
Köppen
climate
type,
vegetation
greenness
fraction,
soil
2.5
concentration,
annual
average
precipitation
temperature
(PERMANOVA,
<
0.001,
0.01–0.06),
cumulatively
accounted
for
20.3%
community
variance.
Canonical
correspondence
analysis
(CCA)
identified
species
strongly
characteristic
variation.
Cities
East
Asia
higher
showed
an
increased
abundance
Corynebacterium
metruchotii
,
America
a
fraction
exhibited
casei
.
prevalence
antimicrobial
resistance
(AMR)
were
solar
radiation
(
0.005).
Total
pathogens
population
June
0.05).
Our
study
presents
first
microbiome.
findings
indicate
that
managing
air
quality
is
essential
regulating
diversity
composition.
Meanwhile,
socio-economic
considerations,
particularly
reducing
antibiotic
usage
regions
lower
GDP,
paramount
curbing
spread
environments.
Metabolites,
Год журнала:
2023,
Номер
13(10), С. 1040 - 1040
Опубликована: Сен. 27, 2023
Maintaining
a
diverse
and
well-balanced
nasal
oral
microbiota
is
vital
for
human
health.
However,
the
impact
of
indoor
microbiome
metabolites
on
remains
largely
unknown.
Fifty-six
children
in
Shanghai
were
surveyed
to
complete
questionnaire
about
their
personal
environmental
characteristics.
The
from
vacuumed
dust
profiled
via
shotgun
metagenomics
untargeted
liquid
chromatography-mass
spectrometry
(LC–MS).
was
characterized
using
full-length
16S
rRNA
sequencing
PacBio.
Associations
between
personal/environmental
characteristics
nasal/oral
calculated
PERMANOVA
regression
analyses.
We
identified
6247,
431,
342
microbial
species
dust,
nasal,
cavities,
respectively.
overall
composition
showed
significant
associations
with
tobacco
smoke
(ETS)
exposure
during
pregnancy
early
childhood
(p
=
0.005
0.03,
respectively),
abundance
total
flavonoids
two
mycotoxins
(deoxynivalenol
nivalenol)
0.01,
0.02,
respectively).
Notably,
several
flavonoids,
such
as
baicalein,
eupatilin,
isoliquiritigenin,
tangeritin,
hesperidin,
positive
correlations
alpha
diversity
protective
taxa
cavities
<
0.02),
suggesting
potential
beneficial
roles
promoting
Conversely,
high
carbohydrate/fat
food
intake
ETS
diminished
microorganisms
while
augmenting
risky
cavities.
Further,
transfer
observed
environment
cavity
(Moraxella
catarrhalis,
Streptococcus
mitis,
salivarius),
which
could
potentially
increase
virulence
factors
related
adherence
immune
modulation
vancomycin
resistance
genes
children.
This
first
study
reveal
association
microbiome/metabolites
multi-omic
approaches.
These
findings
risk
environment.