Trends in Environmental Analytical Chemistry,
Год журнала:
2020,
Номер
26, С. e00091 - e00091
Опубликована: Май 6, 2020
Nutrient
over-enrichment
in
freshwater
environments,
together
with
the
on-going
climate
change,
favour
toxin-producing
cyanobacteria
bloom.
Human
health
hazard
may
arise
from
drinking
contaminated
water.
Additionally,
cyanobacterial
blooms
affect
other
economic
areas
such
as
tourism,
recreation,
commercial
fishery,
water
management
and
monitoring.
Nowadays
there
is
a
scarcity
of
information
on
seasonal
variations
cyanotoxins
various
regions.
Understanding
historical
trends
variation
patters
foundation
for
forecasting
will
help
to
develop
effective
strategies.
This
review
gives
an
overview
cyanotoxins'
analysis
levels
environments
particular
emphasis
Europe.
Recent
analytical
approaches
are
discussed
patterns
three
major
European
zones
(Mediterranean,
continental,
Atlantic)
were
distinguished.
data
multi-year
studies
showed
tendency
increasing
levels.
Toxins,
Год журнала:
2023,
Номер
15(3), С. 233 - 233
Опубликована: Март 21, 2023
Cyanobacteria
produce
a
wide
range
of
structurally
diverse
cyanotoxins
and
bioactive
cyanopeptides
in
freshwater,
marine,
terrestrial
ecosystems.
The
health
significance
these
metabolites,
which
include
genotoxic-
neurotoxic
agents,
is
confirmed
by
continued
associations
between
the
occurrence
animal
human
acute
toxic
events
and,
long
term,
cyanobacteria
neurodegenerative
diseases.
Major
mechanisms
related
to
neurotoxicity
compounds
(1)
blocking
key
proteins
channels;
(2)
inhibition
essential
enzymes
mammalian
cells
such
as
protein
phosphatases
phosphoprotein
well
new
molecular
targets
toll-like
receptors
4
8.
One
widely
discussed
implicated
includes
misincorporation
cyanobacterial
non-proteogenic
amino
acids.
Recent
research
provides
evidence
that
non-proteinogenic
acid
BMAA
produced
have
multiple
effects
on
translation
process
bypasses
proof-reading
ability
aminoacyl-tRNA-synthetase.
Aberrant
generated
non-canonical
may
be
factor
neuronal
death
neurodegeneration.
We
hypothesize
production
acids
more
general
mechanism,
leading
mistranslation,
affecting
homeostasis,
targeting
mitochondria
eukaryotic
cells.
It
can
evolutionarily
ancient
initially
developed
control
phytoplankton
communities
during
algal
blooms.
Outcompeting
gut
symbiotic
microorganisms
lead
dysbiosis,
increased
permeability,
shift
blood-brain-barrier
functionality,
eventually,
mitochondrial
dysfunction
high-energy
demanding
neurons.
A
better
understanding
interaction
metabolism
nervous
system
will
crucial
target
or
prevent
Toxins,
Год журнала:
2022,
Номер
14(10), С. 658 - 658
Опубликована: Сен. 23, 2022
Cyanobacteria
blooms
are
a
global
aquatic
environment
problem.
In
recent
years,
due
to
warming
and
water
eutrophication,
the
surface
cyanobacteria
accumulate
in
certain
area
form
driven
by
wind.
change
physical
chemical
properties
of
cause
pollution.
Moreover,
release
organic
matter,
N
(nitrogen)
P
(phosphorus)
into
during
their
apoptosis,
accelerating
eutrophication
water,
threatening
flora
fauna,
affecting
community
structure
abundance
microorganisms
water.
Simultaneously,
toxins
carcinogens
released
from
can
be
enriched
through
food
chain/web,
endangering
human
health.
This
study
summarized
analyzed
research
influence
on
health,
which
is
helpful
understand
further
harm
provide
some
reference
for
related
blooms.
Earth,
Год журнала:
2022,
Номер
3(1), С. 127 - 135
Опубликована: Фев. 3, 2022
Cyanobacteria
are
ancient
prokaryotes
responsible
for
bloom
formation
in
many
freshwater
resources
worldwide.
These
dense
agglomerations
a
result
of
the
rise
nutrient
input
(N
and
P)
or
temperature.
The
toxin
content
illness
associated
with
contact
impair
human
health
repercussions
water
quality.
Produced
by
wide
variety
cyanobacteria
species,
CyanoBlooms
need
literature
review
to
achieve
global
scenario
its
current
impacts
on
aiming
at
changing
behaviors
towards
globally
making
communities
more
resilient
this
recurrent
problem.
With
distribution,
recent
data
highlight
climate
change
occurrence,
namely
through
temperature
from
storms
heavy
rainfall.
worldwide
regulations
based
enumeration
ecosystems,
increase
field
monitoring
regarding
occurrence
is
demanded
since
evaluation
parameter
may
conceal
these
massive
resulting
episodes
cyanotoxin
outbreaks.
The Science of The Total Environment,
Год журнала:
2023,
Номер
884, С. 163811 - 163811
Опубликована: Апрель 29, 2023
Understanding
the
environmental
conditions
and
taxa
that
promote
occurrence
of
cyanobacterial
toxins
is
imperative
for
effective
management
lake
ecosystems.
Herein,
we
modeled
total
microcystin
presence
concentrations
with
a
broad
suite
predictors
cyanobacteria
community
data
collected
across
440
Canadian
lakes
using
standardized
methods.
We
also
conducted
focused
analysis
targeting
14
congeners
190
lakes,
to
examine
how
abiotic
biotic
factors
influence
their
relative
proportions.
Microcystins
were
detected
in
30
%
highest
occurring
most
eutrophic
located
ecozones
central
Canada.
The
two
commonly
MC-LR
(61
lakes)
MC-LA
(37
lakes),
while
11
others
more
sporadically
waterbodies.
Congener
diversity
peaked
Canada
where
biomass
was
highest.
Using
zero-altered
hurdle
model,
probability
detecting
best
explained
by
increasing
Microcystis
biomass,
Daphnia
cyclopoid
soluble
reactive
phosphorus,
pH
wind.
Microcystin
increased
other
less
dominant
taxa,
as
well
copepod
dissolved
inorganic
carbon
water
temperature.
Collectively,
these
models
accounted
34
70
variability,
respectively.
Based
on
multiple
factor
congeners,
data,
zooplankton
found
abundance
varied
according
trophic
state
related
combination
genera
biomasses
variables.
Reviews in Aquaculture,
Год журнала:
2024,
Номер
16(3), С. 1186 - 1211
Опубликована: Янв. 14, 2024
Abstract
The
increasing
global
population
has
led
to
rising
demand
for
food,
particularly
protein.
As
an
excellent
source
of
protein,
fish
play
a
crucial
role
in
meeting
this
demand,
making
aquaculture
highly
impactful
industry.
Floating
cages
have
been
developed
as
method
management
and
production
achieve
high
productivity
volume.
However,
these
intensive
farming
practices
can
contribute
eutrophication,
leading
changes
primary
producers
promoting
the
excessive
proliferation
cyanobacteria.
Cyanobacteria
blooms
pose
significant
consequences
aquatic
ecosystems,
including
potential
risks
exposed
harmful
cyanobacterial
metabolites.
Cyanobacterial
metabolites
encompass
various
chemical
classes,
such
terpenoids,
carotenoids,
alkaloids,
cyanopeptides,
amino
acids,
organophosphates,
macrolides,
lipopolysaccharides.
Some
compounds'
toxicity
impact
on
farms
still
need
be
better
understood.
Cyanotoxins
off‐flavour
compounds
water
quality
health
hazards
humans
throughout
food
chain.
Therefore,
cyanobacteria
economic,
environmental,
public
implications.
This
review
examines
concerns
associated
with
natural
products
farming,
off‐flavours,
known
cyanotoxins,
other
potentially
toxic
compounds,
while
exploring
their
socioeconomic
environmental
risks.
