Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Feb. 13, 2024
With
the
development
of
modern
sheep
raising
technology,
increasing
density
animals
in
house
leads
to
accumulation
microbial
aerosols
house.
It
is
an
important
prerequisite
grasp
characteristics
bacteria
solve
problems
air
pollution
and
disease
prevention
control
In
this
study,
microorganisms
present
houses
were
investigated
gain
insights
into
structure
bacterial
communities
prevalence
pathogenic
bacteria.
Samples
from
six
pens
each
three
farms,
totaling
18,
collected
August
2022
Ningxia
province,
China.
A
high-volume
sampler
was
utilized
for
aerosol
collection
within
housing
followed
by
DNA
extraction
16S
rRNA
sequencing.
Employing
high-throughput
sequencing
we
conducted
in-depth
analysis
populations
various
pen
samples,
enabling
us
assess
community
composition
diversity.
The
results
revealed
a
total
11,207
operational
taxonomic
units
(OTUs)
population
across
encompassing
152
phyla,
298
classes,
517
orders,
853
families,
910
genera,
482
species.
Alpha
diversity
beta
indicated
that
differences
species
diversity,
evenness
coverage
between
different
samples.
At
phylum
level,
dominant
groups
are
Firmicutes,
Proteobacteria,
Actinobacteria,
among
which
Firmicutes
(97.90–98.43%)
highest.
genus
bacillus,
Bacteroides,
Fusobacterium,
etc.
had
higher
abundance,
with
Bacillus
(85.47–89.87%)
being
Through
meticulous
examination
high
abundance
diverse
study
provided
valuable
distinctive
features
prevalent
air.
These
findings
serve
as
foundation
guiding
effective
strategies
farming
environments.
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.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 24, 2024
Abstract
Human
occupied
built
environments
are
no
longer
confined
to
Earth.
In
fact,
there
have
been
humans
living
and
working
in
low-Earth
orbit
on
the
International
Space
Station
(ISS)
since
November
2000.
With
NASA’s
Artemis
missions
age
of
commercial
space
stations
set
begin,
more
human-occupied
spacecraft
than
ever
will
be
Earth’s
beyond.
On
Earth
ISS,
microbes,
especially
fungi,
can
found
dust
grow
when
unexpected,
elevated
moisture
conditions
occur.
However,
we
do
not
yet
know
how
indoor
microbiomes
Earth-based
homes
ISS
differ
due
their
unique
environmental
conditions.
Here
show
that
bacterial
fungal
communities
different
collected
from
vacuum
bags
with
being
diverse
(465
OTUs
237
ASVs)
compared
(102
102
ASVs).
When
these
locations
were
exposed
varying
equilibrium
relative
humidity
(ERH),
also
significant
community
composition
changes
as
ERH
time
increased
(Bray
Curtis:
R
2
=
0.35,
P
0.001).
These
findings
inform
future
design
promote
healthy
support
crew
health,
integrity,
planetary
protection.
Foods,
Journal Year:
2025,
Volume and Issue:
14(3), P. 401 - 401
Published: Jan. 26, 2025
This
article
examines
the
impact
of
fluid
flow
dynamics
on
microbial
growth,
distribution,
and
control
within
food
processing
systems.
Fluid
flows,
specifically
laminar
turbulent
significantly
influence
behaviors,
such
as
biofilm
development
adhesion.
Laminar
is
highly
conducive
to
formation
attachment
because
smooth
steady.
makes
it
much
more
difficult
sterilize
surface.
Turbulent
flow,
however,
due
its
chaotic
motion
shear
forces
that
are
present,
inhibits
growth
disrupts
attachment;
also
has
potential
contaminate
surfaces
by
dispersing
microorganisms.
Computational
(CFD)
highlighted
an
essential
component
for
processors
predict
movement
enhance
numerous
fluid-dependent
operations,
including
mixing,
cooling,
spray
drying,
heat
transfer.
analysis
underscores
significance
in
controlling
hazards
settings,
discusses
some
interventions,
antimicrobial
surface
treatments
properly
designed
equipment.
Each
process
step
from
mixing
which
influences
transfer
ensuring
uniform
distribution
optimizing
removal,
presents
unique
requirements
affecting
formation,
contamination
control.
Food
can
improve
management
product
safety
adjusting
rates,
types,
equipment
configurations.
helps
provide
understanding
fluid–microbe
interactions
offers
actionable
insights
advance
practices,
higher
standards
quality
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 8, 2025
Abstract
To
protect
healthcare
workforce
during
the
COVID-19
pandemic,
rigorous
efforts
were
made
to
reduce
infection
rates
among
workers
(HCWs),
especially
prior
vaccine
availability.
This
study
aimed
investigate
prevalence
of
SARS-CoV-2
infections
HCWs
and
identify
potential
risk
factors
associated
with
transmission.
We
searched
MEDLINE,
Embase,
Google
Scholar
from
1
December
2019
5
February
2024.
From
498
initial
records,
190
articles
reviewed,
63
studies
eligible.
ROBINS-E
tool
revealed
a
lower
bias
in
several
domains;
however,
some
concerns
related
confounding
exposure
measurement
identified.
Globally,
11%
(95%
confidence
interval
(CI)
9–13)
283,932
infected
SARS-CoV-2.
Infection
constellation
major
circulating
variants.
Household
(odds
ratio
(OR)
7.07;
95%
CI
3.93–12.73),
working
as
cleaner
(OR
2.72;
1.39–5.32),
occupational
1.79;
1.49–2.14),
inadequate
training
on
prevention
control
1.46;
1.14–1.87),
insufficient
use
personal
protective
equipment
1.45;
1.14–1.84),
performing
aerosol
generating
procedures
1.36;
1.21–1.52)
hand
hygiene
1.17;
0.79–1.73)
an
increased
infection.
Conversely,
history
quarantine
0.23;
0.08–0.60)
frequent
decontamination
high
touch
areas
0.52;
0.42–0.64)
against
quantifies
substantial
global
burden
HCWs.
underscore
urgent
need
for
effective
measures,
particularly
addressing
such
household
practices
by
HCWs,
including
cleaning
staff.
Aerosol and Air Quality Research,
Journal Year:
2025,
Volume and Issue:
25(1-4)
Published: April 1, 2025
Abstract
Introduction
This
paper
presents
an
innovative
air
sampling
and
rapid
detection
system
for
airborne
bacteria
in
the
environment.
Objective
The
proposed
aims
to
enhance
efficiency
accuracy
of
bacterial
by
integrating
improved
sampler
with
a
nucleic
acid
amplification
method.
Methods
incorporates
cutting-edge
method
known
as
loop-mediated
isothermal
detect
pathogens
precisely
efficiently.
comprises
specialized
collection
device
capable
capturing
particles,
automatic
sample
extraction
from
this
device.
Subsequently,
is
performed
using
LAMP
technique,
which
can
amplify
at
constant
temperature
(65
°C)
without
need
thermal
cycling
polymerase
chain
reaction,
providing
faster,
less
costly,
isothermal,
highly
sensitive
detecting
target
DNA.
In
addition,
simple,
easily
portable,
low-cost,
high-efficiency
heating
that
be
operated
desired
time
has
been
developed
reactions.
Results
results
demonstrate
capability
broad-spectrum
concentration
high
sensitivity
specificity,
making
it
valuable
tool
real-time
monitoring
surveillance.
limit
65
CFU
L
-1
,
determined
through
series
experiments.
Conclusions
system,
coupled
technology,
offers
promising
solution
addressing
limitations
associated
traditional
methods
environments,
such
insufficient
sensitivity,
extended
processing
times,
microbial
drying,
isolating
microorganisms
others,
challenges
low
concentrations,
paving
way
enhanced
public
health
safety
measures.
Graphical
abstract
MOJ Ecology & Environmental Sciences,
Journal Year:
2025,
Volume and Issue:
10(2), P. 64 - 66
Published: Jan. 1, 2025
This
review
focuses
on
the
presence
of
microorganisms
in
atmospheric
particles,
their
sources,
composition,
and
effects
human
environmental
health.
Furthermore,
it
highlights
importance
understanding
these
impacts
to
develop
mitigation
strategies.