Frontiers in Microbiomes,
Journal Year:
2024,
Volume and Issue:
3
Published: Oct. 4, 2024
Introduction
Pathogen
introduction
and
transmission
at
the
farm,
regional,
or
national
level
are
associated
with
reduced
animal
welfare
negative
impacts
on
herd
economics.
Ongoing
infectious
disease
surveillance,
active
passive,
is
therefore
of
high
importance.
For
optimal
resolution,
each
pig
sampled
individually,
for
example
by
collecting
blood
nasal
swabs.
In
recent
years,
oral
fluids
have
become
very
useful
population
surveillance
pen
level.
Another
alternative
sampling
air
to
capture
pathogens
circulating
across
entire
barn
via
bioaerosols.
Objective
This
study
aimed
examine
potential
utility
bioaerosol
metagenomics
pathogen
detection
farms.
Methods
Bioaerosols
automated
sampler,
fluid
pen-based
ropes,
were
collected
from
two
Scottish
indoor
All
samples
subjected
conventional
routine
bacterial
isolation.
Total
genomic
nucleic
acids
extracted
PCR
screening
three
DNA
viruses,
Mycoplasma
species
an
RNA
virus.
Illumina
shotgun
metagenomic
sequencing
was
also
conducted.
Results
Oral
contained
more
compared
samples.
integrity
exhibited
limited
impact
sequence
yield.
While
Streptococcus
suis
could
be
cultured
a
single
sample,
reads
mapped
S.
detectable
in
all
Other
pathogens,
including
hyorhinis
,
M.
hyopneumoniae
hyosynoviae
detected
aerosols
metagenomics.
One
farms
PRRSV
positive,
virus
but
not
Antimicrobial
resistance
(AMR)
gene
profiles
had
less
variation
between
bioaerosols
fluids.
Some
identified
AMR
genes
strikingly
similar
abundance
overall.
Conclusion
Overall,
these
findings
indicate
that
there
farms;
however,
research
needed
technical
cost
optimization
allow
livestock
Atmosphere,
Journal Year:
2024,
Volume and Issue:
15(4), P. 404 - 404
Published: March 25, 2024
In
the
wake
of
COVID-19
pandemic,
scientific
community
has
been
galvanized
to
unravel
enigmatic
role
bioaerosols
in
transmission
infectious
agents.
This
literature
review,
anchored
extensive
Web
Science
Core
Collection
database
covering
period
from
1990
2023,
utilizes
a
bibliometric
approach
chart
dynamic
landscape
bioaerosol
research.
It
meticulously
documents
paradigm
shifts
and
burgeoning
areas
inquiry
that
have
emerged
aftermath
pandemic.
review
maps
out
sources
detection
strategies
pathogens
variety
ecosystems.
clearly
shows
impaction
filtration
sampling
methods,
followed
by
colony
counting
PCR-based
techniques,
were
predominantly
used
works
within
previous
three
decades.
synthesizes
progress
limitations
inherent
range
models
for
predicting
aerosol-mediated
pathogen
spread
provides
comparative
analysis
eDNA
technology
traditional
analytical
techniques
bioaerosols.
The
accuracy
these
methods
forecasting
is
paramount
early
recognition
risks,
which,
turn,
paves
way
prompt
effective
disease
mitigation
strategies.
By
providing
thorough
historical
progression
current
state
research,
this
illuminates
path
ahead,
identifying
critical
research
needs
will
drive
field’s
advancement
years
come.
Environmental DNA,
Journal Year:
2024,
Volume and Issue:
6(4)
Published: July 1, 2024
Abstract
Ongoing
pressures
on
global
biodiversity
require
conservation
action
that
is
not
possible
without
effective
biomonitoring.
Terrestrial
vertebrate
surveys
are
commonly
performed
using
camera
traps,
a
time‐intensive
method
known
to
miss
many
small
or
arboreal
species
and
birds.
Recent
advances
have
shown
airborne
eDNA
be
potentially
suitable
technique
more
effectively
monitor
communities
in
time‐
cost‐effective
manner.
Here,
we
test
whether
commercially
available
air
samplers
collect
particles
24/7
during
1‐week
period
can
used
detect
the
presence
of
vertebrates
through
eDNA.
The
results
compared
trap
records
at
three
locations
with
differing
habitats
Netherlands.
Simultaneous
sampling
different
for
3
weeks
resulted
detection
154
taxa,
which
majority
were
birds
mammals
(113
33
species,
respectively),
along
four
fish
amphibian
species.
All
observed
traps
also
retrieved
via
eDNA,
although
every
day
sampling.
Burkard
spore
trap,
routinely
pollen
monitoring,
showed
highest
number
only
samples
when
mammal
was
detected
it
remained
undetected
We
unique
indicative
habitat
they
living.
However,
could
account
for.
multitude
found
indicate
sensitivity
method;
however,
subsequent
studies
should
prioritize
validation
these
findings
alternative
biomonitoring
approaches.
Pathogens,
Journal Year:
2025,
Volume and Issue:
14(4), P. 345 - 345
Published: April 3, 2025
Molds
are
frequent
indoor
contaminants,
where
they
can
colonize
many
materials.
The
subsequent
aerosolization
of
fungal
spores
from
moldy
surfaces
strongly
impact
air
quality
and
the
health
occupants.
investigation
contamination
habitations
is
a
key
point
in
evaluating
sanitary
risks
understanding
relationship
that
may
exist
between
presence
on
contamination.
However,
to
date
there
no
“gold
standard”
sampling
for
such
investigations.
Among
various
methods,
impingement
be
used
capturing
spores,
as
it
enables
real-time
preserves
analytical
follow-up.
Its
efficiency
varies
depending
several
factors,
spore
hydrophobicity,
conditions,
etc.
Sampling
devices
also
results,
with
recovery
rates
sometimes
lower
than
filtration-based
methods.
Coriolis
µ
sampler,
an
impingement-based
device,
utilizes
centrifugal
force
concentrate
airborne
particles
into
liquid
medium,
offering
flexibility
molecular
analysis.
Several
studies
have
this
device
sampling,
demonstrating
its
application
detecting
pollen,
bacteria,
viruses,
but
most
often
laboratory
conditions.
present
case
study,
conducted
house,
aims
investigate
DNA
analysis
environments.
results
obtained
suggest
use
requires
optimized
methodology
enhance
reliability
bioaerosol
research.
Environmental DNA,
Journal Year:
2023,
Volume and Issue:
5(6), P. 1265 - 1288
Published: July 15, 2023
Abstract
Analyzing
and
monitoring
air
microbiomes
in
the
subway
environment
has
a
great
impact
on
public
health,
especially
urban
cities.
In
this
study,
temporal
distribution
profile
of
mycobiome
at
Bangkok's
Sukhumvit
station
(MRT‐SKV)
was
explored
over
12
samplings
during
December
2021–November
2022
by
environmental
DNA‐metabarcoding
approach.
The
top
5
most
abundant
fungal
genera
identified
were
Yarrowia
,
Cladosporium
Hortaea
Cutaneotrichosporon
Leptobacillum
.
Among
496
found,
24
could
be
considered
“core
mycobiome”
MRT‐SKV
air,
as
they
consistently
found
≥85%
samples.
Many
members
core
constituted
human
commensal
genera,
but
several
them
can
elicit
allergic
reactions
humans
thus
pose
potential
health
risk.
allergenic
fungi
MRT‐SKV,
which
is
contrast
to
Malassezia
Ustilago
or
Aspergillus
being
environments
other
countries.
compositions
differed
temporally,
abundances
highest
samples
obtained
first
seventh
(done
2021–June
2022).
These
compositional
variations
likely
influenced
quality
variables,
including
particulate
matter
(PM),
temperature,
relative
humidity,
showed
seasonal
variations.
Finally,
certain
shown
co‐occur
together
co‐occurrence
network.
formed
networks
more
prominently
rush
hour
than
traffic
hours.
network
suggested
associations
among
such
association
between
–
Nigrospora
Alternaria
bioaerosols.
implied
these
are
worth
further
investigation
since
may
point
toward
their
(as
opportunistic
human).
Our
results
facilitate
understanding
ecological
impacts
components
environment.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
918, P. 170722 - 170722
Published: Feb. 6, 2024
Livestock
facilities
are
widely
regarded
as
reservoirs
of
infectious
disease,
owing
to
their
abundance
in
particulate
matter
(PM)
and
microbial
bioaerosols.
Over
the
past
decade,
bioaerosol
studies
have
increasingly
utilised
high
throughput
sequencing
(HTS)
achieve
superior
throughput,
taxonomic
resolution,
detection
unculturable
organisms.
However,
prevailing
focus
on
amplicon
has
limited
identification
viruses
taxa
at
species-level.
Herein,
a
literature
search
was
conducted
identify
methods
capable
overcoming
aforementioned
limitations.
Screening
1531
international
publications
resulted
29
eligible
for
review.
Metagenomics
providing
rich
insights
were
identified
only
three
instances.
Notably,
long-read
not
metagenomics.
This
review
also
that
sample
collection
lack
uniform
approach,
highlighted
by
differences
sampling
equipment,
flow
rates
durations.
Further
heterogeneity
introduced
unique
conditions,
which
makes
it
challenging
ground
new
findings
within
established
literature.
For
instance,
winter
associated
with
increased
antimicrobial
resistance,
yet
less
alpha
diversity.
Researchers
implementing
metagenomics
into
livestock
environment
should
consider
season,
microclimate,
growth
stage
influential
upon
findings.
Considering
increasing
accessibility
sequencing,
future
research
explore
its
viability
novel
testing
protocol
emissions.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(5), P. 965 - 965
Published: May 10, 2024
Studies
on
bioaerosol
bacterial
biodiversity
have
relevance
in
both
ecological
and
health
contexts,
molecular
methods,
such
as
16S
rRNA
gene-based
barcoded
sequencing,
provide
efficient
tools
for
the
analysis
of
airborne
communities.
Standardized
methods
sampling
DNA
are
lacking,
thus
hampering
comparison
results
from
studies
implementing
different
devices
procedures.
Three
samplers
that
use
gelatin
filtration,
swirling
aerosol
collection,
condensation
growth
tubes
collecting
at
an
aeration
tank
a
wastewater
treatment
plant
Trieste
(Italy)
were
used
to
determine
biodiversity.
Wastewater
samples
collected
directly
untreated
sewage
obtain
true
representation
microbiological
community
present
plant.
Different
collection
media
indication
grades
biodiversity,
with
DNA/RNA
shield
BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
108, P. 01031 - 01031
Published: Jan. 1, 2024
Methods
of
molecular
genetic
analysis
are
widely
used
to
study
the
air
microbiota.
These
methods
make
it
possible
all
groups
microorganisms
without
need
for
their
cultivation.
The
purpose
was
analyze
microbiota
poultry
house
environment
by
qPCR
method
and
identify
presence
representatives
normophlora,
opportunistic
pathogenic
microflora.
research
plan
included
sampling
from
a
three-tier
cage
battery
rearing
42
days.
data
obtained
revealed
an
increase
in
during
entire
experiment,
largest
number
them
detected
on
42nd
day
cultivation
lower
tier.
results
emphasize
importance
timely
detection
assessment
prevent
spread
diseases
impact
health
productivity
birds.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Abstract
Studying
airborne
viral
diversity
in
pristine,
remote
environments
like
the
sub-Antarctic
island
South
Georgia
provides
crucial
insights
into
ecology
and
their
role
sustaining
unique
ecosystems.
Viruses
influence
microbial
dynamics
nutrient
cycles,
which
are
vital
for
ecological
balance
long-term
ecosystem
sustainability.
We
explored
community
composition
of
operational
taxonomic
units
(vOTUs)
two
sites
Georgia,
using
various
sampling
devices
metagenomics.
The
Coriolis
µ
device
(wet
collection)
was
most
effective,
yielding
30
scaffolds.
Two-thirds
scaffolds
were
from
sea-level
samples,
indicating
that
location
impacts
diversity.
Protein-based
clustering
39
vOTUs
revealed
similarities
15
with
known
marine
viruses,
suggesting
oceanic
on
island’s
community.
Genes
related
to
UV
damage
protection
photosynthesis
widely
distributed
major
oceans,
emphasizing
potential
resilience
changing
climates.
Host
predictions
indicated
associations
bacterial
genera
Rickettsia
,
Myroides
Bacteroidota.
Some
matched
viruses
extremophiles,
adaptations
harsh
environments.
This
study
a
baseline
understanding
complexity
sustainability
communities
ecosystems,
underscoring
need
continued
monitoring
face
environmental
change.
Sustainability
Statement
Antarctic
microbes
have
potentially
extreme
cold
conditions.
infect
these
may
play
pivotal
shaping
thus
virus-host
interactions
is
preserving
biodiversity
Antarctica.
Moreover,
investigating
aerosolization
around
Antarctica
important
global
dispersal
distant
Monitoring
essential
tracking
changes
over
time.
Since
often
considered
one
last
pristine
Earth,
relevant
developing
conservation
strategies
protect
this
anthropogenic
impacts,
including
unintentional
introduction
foreign
microorganisms
viruses.
Our
research
aligns
Sustainable
Development
Goals
Life
below
water
(SDG14)
land
(SDG15).