Toxins,
Journal Year:
2022,
Volume and Issue:
14(11), P. 785 - 785
Published: Nov. 11, 2022
Cylindrospermopsin
(CYN)
is
a
cyanobacterial
toxin
that
occurs
in
aquatic
environments
worldwide.
It
known
for
its
delayed
effects
animals
and
humans
such
as
inhibition
of
protein
synthesis
or
genotoxicity.
The
molecular
targets
the
cell
physiological
mechanisms
CYN,
however,
are
not
well
studied.
As
inhalation
CYN-containing
aerosols
has
been
identified
relevant
route
CYN
uptake,
we
analyzed
on
expression
cultures
immortalized
human
bronchial
epithelial
cells
(16HBE14o−)
using
proteomic
approach.
Proteins
whose
levels
were
affected
by
belonged
to
several
functional
clusters,
mainly
regulation
stability,
cellular
adhesion
integration
extracellular
matrix,
proliferation,
cycle
regulation,
completion
cytokinesis.
With
few
exceptions
upregulated
proteins
(e.g.,
ITI
inhibitor
serine
endopeptidases
mRNA
stabilizer
PABPC1),
mediated
downregulation
many
proteins.
Among
these,
centrosomal
55
(CEP55)
osteonectin
(SPARC)
significantly
reduced
their
abundance.
Results
detailed
semi-quantitative
Western
blot
analyses
SPARC,
claudin-6,
CEP55
supported
findings
from
study
adhesion,
attenuation
mitosis,
induction
genomic
instability
major
eukaryotic
cells.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(29), P. 10512 - 10520
Published: July 10, 2023
Aquatic
eutrophication,
often
with
anthropogenic
causes,
facilitates
blooms
of
cyanobacteria
including
cyanotoxin
producing
species,
which
profoundly
impact
aquatic
ecosystems
and
human
health.
An
emerging
concern
is
that
eutrophication
may
interact
other
environmental
changes
thereby
lead
to
unexpected
cascading
effects
on
terrestrial
systems.
Here,
we
synthesize
recent
evidence
showing
the
possibility
accelerating
will
spill
over
from
atmosphere
via
"air
eutrophication",
a
novel
concept
refers
process
promoting
growth
airborne
algae,
some
them
capacity
produce
toxic
compounds
for
humans
organisms.
Being
catalyzed
by
various
forcings─including
climate
warming,
air
contamination,
artificial
light
at
night─accelerated
be
expected
in
future,
posing
potentially
increasing
risk
threat
public
health
environment.
So
far
knowledge
this
topic
sparse,
therefore
consider
important
research
field
propose
an
agenda
cross-discipline
research.
As
contribution,
have
calculated
tolerable
daily
intake
17
ng
m–3
day–1
nasal
microcystins
humans.
Aerobiology,
Journal Year:
2024,
Volume and Issue:
2(4), P. 72 - 84
Published: Sept. 24, 2024
Bioaerosols
constitute
a
crucial
component
of
atmospheric
particulate
matter,
encompassing
physical
and
chemical
aerosol
properties
along
with
biological
characteristics.
They
can
influence
global
ecosystems,
climate
change
dynamics,
air
quality.
Notably,
bioaerosols
serve
as
significant
pathway
for
transmitting
respiratory
infectious
diseases,
garnering
widespread
attention
worldwide
following
major
pandemics
such
COVID-19.
Thanks
to
the
development
high-throughput
sequencing
technologies,
studies
on
have
flourished
in
recent
years.
Understanding
interconnectedness
sources,
spatial
temporal
distributions,
influencing
factors,
health
risks
associated
is
imperative
devising
pollution
mitigation
strategies
preventing
spread
related
epidemics.
This
review
provides
an
overview
bioaerosol
sources
while
elucidating
distribution
patterns
within
their
community
structure
across
various
source
types.
Lastly,
this
offers
insights
into
future
advancements
field
corresponding
recommendations.
Aerobiology,
Journal Year:
2025,
Volume and Issue:
3(1), P. 1 - 1
Published: Jan. 15, 2025
Biological
soil
crusts
(biocrusts)
are
communities
which
thrive
primarily
in
the
upper
layers
of
arid
and
semi-arid
environments.
Biocrusts
produce
soil-binding
compounds,
tolerate
extreme
conditions,
disperse
through
both
sexual
asexual
diaspores
via
wind,
water,
or
animals.
Despite
their
significance,
dispersal
mechanisms
involving
airborne
biocrusts
remain
largely
unexplored
poorly
understood.
This
review
provides
an
overview
techniques,
from
basic
to
advanced,
help
researchers
investigate
these
often-overlooked
aspects
biocrust
ecology.
We
discuss
passive
active
methods
for
sampling
organisms,
highlighting
potential
studies
organisms.
present
traditional
such
as
microscope
glass
slides
coated
with
adhesive
substances,
well
more
advanced
equipment
like
Rotorods.
For
organism
identification,
we
explore
morphological
methods,
but
also
introduce
modern
approaches,
metabarcoding,
allow
simultaneous
study
multiple
groups.
underscores
enhance
our
understanding
aerobiology
biocrusts.
By
shedding
light
on
dynamics,
this
aims
support
future
research
foster
advancements
biogeography,
ecosystem
restoration,
conservation
strategies.
Cells,
Journal Year:
2023,
Volume and Issue:
12(7), P. 1073 - 1073
Published: April 2, 2023
Air
pollution
has
been
a
significant
problem
threatening
human
health
for
years.
One
commonly
reported
air
pollutant
is
benzo(a)pyrene,
dangerous
compound
with
carcinogenic
properties.
Values
which
exceed
normative
values
benzo(a)pyrene
concentration
in
the
are
often
noted
many
regions
of
world.
Studies
on
worldwide
spread
COVID-19
since
2020,
as
well
avian
flu,
measles,
and
SARS,
have
proven
that
viruses
bacteria
more
to
when
they
occur
polluted
air.
Regarding
cyanobacteria
microalgae,
little
known
about
their
relationship
benzo(a)pyrene.
The
question
whether
these
microorganisms
can
pose
threat
present
poor
quality
We
initially
assessed
microalgae
isolated
from
atmosphere
sensitive
changes
PAH
concentrations
accumulate
or
degrade
PAHs.
presence
B(a)P
significantly
affected
both
quantity
cells
chlorophyll
(chl
a)
content
ability
fluorescence.
For
an
increase
cell
numbers
was
observed
after
addition
B(a)P.
Therefore,
even
slight
likely
facilitate
growth
airborne
microalgae.
results
provided
assessment
organisms
most
susceptible
cellular
stress
following
exposure
potential
consequences
environment.
Additionally,
indicated
green
algae
greatest
degrading
PAHs,
making
use
promising
bioremediation
approach.
Kirchneriella
sp.
demonstrated
highest
average
degradation
B(a)P,
above-mentioned
research
indicating
it
up
80%
other
studied
exhibited
lower,
yet
still
significant,
rate
exceeding
50%
compared
diatoms.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(7), P. 1835 - 1835
Published: July 19, 2023
Cyanobacteria
are
ever-present,
mainly
flourishing
in
aquatic
environments
and
surviving
virtually
other
habitats.
The
microbiota
of
indoor
dust
on
the
pre-filter
heating,
ventilation,
air-conditioning
(HVAC)
systems,
which
reflect
microbial
contamination
affect
human
health,
has
attracted
attention.
Contemporary
studies
cyanobacteria
deposited
HVAC
remain
scant.
By
culture-independent
approach
qPCR
high
throughput
sequencing
technologies,
our
results
documented
that
cyanobacterial
concentrations
were
highest
autumn,
occurred
recurrently,
about
2.60
10.57-fold
higher
than
those
winter
summer.
We
proposed
terrestrial
contributed
to
by
airborne
transportation
produced
wave
breaks,
bubble
bursts,
soil
surface
wind
force,
owing
evidence
commonly
detected
particulate
matters.
community
structure
was
characterized
Shanghai,
where
Chroococcidiopsaceae,
norank_cyanobacteriales,
Nostocaceae,
Paraspirulinaceae,
others
dominated
HVAC.
Some
genera,
including
Nodularia
sp.,
Pseudanabaena
Leptolyngbya
potentially
toxins,
need
further
studying
determine
their
potential
threat
health.
present
work
shed
new
insight
into
distribution
specific
environment
besides