Quantificação de Estafilococos Coagulase Positiva em Peixes Comercializados em Cuiabá-MT e Resistência a Antimicrobianos
PesquisAgro,
Journal Year:
2025,
Volume and Issue:
8(1), P. 112 - 124
Published: Jan. 7, 2025
Este
estudo
teve
como
objetivo
quantificar
estafilococos
coagulase
positiva
e
verificar
a
resistência
antibióticos
em
peixes
frescos
vendidos
Cuiabá-MT.
Foram
analisadas
18
amostras
da
espécie
de
pintado
(Pseudoplatystoma
fasciatum
X
Leiarius
marmoratus)
tambatinga
(Colossoma
macropomum
Piaractus
brachypomum),
coletadas
três
estabelecimentos
comerciais
Cuiabá-MT:
peixaria,
feira
livre
supermercado.
Para
análise
quantificação
foi
realizado
plaqueamento
superfície.
Os
resultados
mostraram
cinco
comercializas
livre.
A
realizada
partir
metodologia
por
difusão
disco,
apresentando
resultado
apenas
penicilina.
presença
deste
microrganismo
patogênico
nas
pode
indicar
falhas
boas
práticas
fabricação
ressaltando
importância
manipulação
adequada.
Além
disso,
antibióticos,
penicilina,
comprometer
o
tratamento
infecções,
representando
um
potencial
problema
saúde
pública.
Bioaccumulation and Trophic Transfer of Heavy Metals in Marine Fish: Ecological and Ecosystem-Level Impacts
Journal of Xenobiotics,
Journal Year:
2025,
Volume and Issue:
15(2), P. 59 - 59
Published: April 18, 2025
Heavy
metal
contamination
in
marine
ecosystems
poses
a
critical
environmental
challenge,
with
significant
implications
for
biodiversity,
trophic
dynamics,
and
human
health.
Marine
fish
are
key
bioindicators
of
heavy
pollution
because
their
role
food
webs
capacity
bioaccumulation
transfer.
This
review
synthesizes
current
knowledge
on
the
pathways
mechanisms
accumulation
fish,
focusing
factors
that
influence
uptake,
retention,
tissue
distribution.
We
explore
processes
governing
transfer
biomagnification,
highlighting
species-specific
patterns
risks
posed
to
apex
predators,
including
humans.
Additionally,
we
assess
ecological
consequences
at
population,
community,
ecosystem
levels,
emphasizing
its
effects
reproduction,
community
structure,
interactions.
By
integrating
recent
findings,
this
highlights
gaps
suggests
future
research
directions
improve
monitoring
risk
assessment.
Given
persistence
bioavailability
metals
environments,
effective
control
strategies
sustainable
fisheries
management
imperative
mitigate
long-term
public
health
risks.
Language: Английский
A systematic review of approaches to assess fish health responses to anthropogenic threats in freshwater ecosystems
Conservation Physiology,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Jan. 1, 2024
Abstract
Anthropogenic
threats
such
as
water
infrastructure,
land-use
changes,
overexploitation
of
fishes
and
other
biological
resources,
invasive
species
climate
change
present
formidable
challenges
to
freshwater
biodiversity.
Historically,
management
fish
fishery
has
largely
been
based
on
studies
population-
community-level
dynamics;
however,
the
emerging
field
conservation
physiology
promotes
assessment
individual
health
a
key
tool.
Fish
is
highly
sensitive
environmental
disturbances
also
fundamental
driver
fitness,
with
implications
for
population
dynamics
recruitment
resilience.
However,
mechanistic
links
between
particular
anthropogenic
changes
in
health,
or
impact
pathways,
are
diverse
complex.
The
diversity
ways
which
can
be
measured
presents
challenge
researchers
deciding
methods
employ
seeking
understand
these
threats.
In
this
review,
we
aim
provide
an
understanding
pathway
through
ecosystems
components
impacted
by
assessed.
We
quantitative
systematic
approach
corpus
papers
related
utilize
framework
that
summarizes
alterations
mechanisms
cause
response
health.
found
were
most
prolific
threat,
range
different
metrics
being
suitable
assessing
threat.
Almost
all
two
more
pathways.
A
robust
pathways
crucial
fisheries
managers
undertake
targeted
ecosystems.
Language: Английский
Fish morphometric body condition indices reflect energy reserves but other physiological processes matter
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
154, P. 110860 - 110860
Published: Aug. 29, 2023
Morphometric
indices
of
body
condition
are
assumed
to
reflect
an
animal's
health
and
ultimately
its
fitness,
but
their
physiological
significance
remains
a
matter
debate.
These
indeed
usually
considered
as
proxies
energy
reserves,
ignoring
other
processes
involved
in
animal
such
nutritional,
immune
hormonal
states.
Given
the
wide
variety
ecological
investigated
through
morphometric
marine
sciences,
there
is
clear
need
determine
whether
primarily
individuals'
reserves
or
broader
integrated
status.
To
address
this
issue,
we
used
data
(cortisol
level,
oxidative
stress,
digestive
enzymes
activity,
both
fatty
acids
percentage
total
amount)
collected
three
stocks
European
sardine
(Sardina
pilchardus)
presenting
contrasted
patterns
growth
condition.
We
found
that
mainly
consistently
linked
proxy
amount
lipid
(i.e.,
amount),
also
significantly
quality
percentage)
fish
chronic
stress
(scale
cortisol
levels).
no
significant
relationship
between
variables
measuring
activity.
Our
study
confirmed
variance
lesser
extent
actual
composition
these
(linked
differences
diet)
scale
levels
(indicating
metabolism
and/or
Therefore,
some
non-energetic
aspects
should
be
when
studying
responses
environmental
changes
key
(oxidative
proxies,
activity
enzymes)
directly
support
scientific-based
decision-making
context
climate
change.
Language: Английский
Distribution and Contamination of Arsenic in Fish, Gastropods and Bivalves in the Aby and Tendo Lagoons in East of Ivory Coast
Kouakou Serge Kouassi,
No information about this author
Stéphane Jean Claon,
No information about this author
Kossonou Roland N’Guettia
No information about this author
et al.
Journal of Environmental Protection,
Journal Year:
2024,
Volume and Issue:
15(03), P. 246 - 264
Published: Jan. 1, 2024
Lagoons
are
ecosystems
for
biodiversity
and
the
livelihoods
of
coastal
communities.
The
main
objective
study
was
to
analyze
variability
arsenic
concentrations
in
gastropods
bivalves
Aby
Tendo
lagoons,
taking
into
account
spatial,
seasonal
hydrological
variations.
carried
out
four
stages
spread
over
two
successive
hydroclimatic
cycles,
including
seasons
during
rainy
season
more
dry
season.
samples
were
taken
areas
lagoons.
Arsenic
levels
measured
by
ICP-MS.
results
showed
that
mean
muscles
organisms
Lagoon
ranged
from
0.01
1.26
μg
As/g,
with
a
median
0.17
0.06
respectively.
Fish
had
highest
arsenic,
followed
crustaceans,
while
molluscs
plants
lower
comparable
As.
tilapia
jawbones
varied
significantly
between
sites
seasons,
higher
at
than
those
other
species,
averages
0.74
1.03
mg
As/kg,
Language: Английский
A multi-indexes and non-invasive fish health assessment system with deep learning and impedance sensing
Aquaculture,
Journal Year:
2024,
Volume and Issue:
598, P. 742025 - 742025
Published: Dec. 13, 2024
Language: Английский
WITHDRAWN: The main threats facing the eel ( and the sea lamprey () in Galicia (NW Spain) through Partial Least Squares Path Modelling
Carolina Acuña-Alonso,
No information about this author
Manuel Amor-Fernández,
No information about this author
Elena Seoane-Martínez
No information about this author
et al.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
unknown, P. 124637 - 124637
Published: July 1, 2024
Language: Английский
Tracing troubles: Unveiling the hidden impact of inorganic contamination on juvenile green sea turtle
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
208, P. 117048 - 117048
Published: Oct. 4, 2024
Language: Английский
Contact and non-contact physiological stress indicators in aquatic models: A review
Aquaculture,
Journal Year:
2024,
Volume and Issue:
596, P. 741830 - 741830
Published: Nov. 12, 2024
Language: Английский
Tracing Troubles: Unveiling the Hidden Impact of Inorganic Contamination on Juvenile Green Sea Turtle
Anaïs Beauvieux,
No information about this author
Jérôme Bourjea,
No information about this author
Jean-Marc FROMENTIN
No information about this author
et al.
Published: Jan. 1, 2023
Human
activities
and
climate
change
have
negatively
affected
the
world's
oceans,
leading
to
a
decline
of
30
60%
in
coastal
ecosystems'
biodiversity
habitats.
The
projected
increase
human
population
9.7
billion
by
2050
raises
concerns
about
sustainability
marine
ecosystem
conservation
exploitation.
Marine
turtles,
as
sentinel
species,
accumulate
contaminants,
including
trace
elements,
due
their
extensive
migration
long-life
span.
However,
there
is
lack
data
on
degree
contamination
effects
turtles'
health.
This
study
focuses
assessing
in-situ
inorganic
juvenile
green
sea
turtles
from
La
Réunion
Island
its
short-term
impact
individual
health,
using
conventional
biomarkers
proteomics.
goals
include
examining
patterns
different
tissues
identifying
potential
new
for
long-term
monitoring
efforts.
identified
differential
metal
between
blood
scute
samples,
which
could
help
understand
temporal
exposure
elements
turtle
individuals.
We
also
found
that
some
were
related
element
exposure,
while
proteome
responded
differently
various
contaminant
mixtures.
Immune
processes,
cellular
organization,
metabolism
impacted,
indicating
mixtures
wild
would
an
effect
turtle’s
New
biomarker
candidates
associated
with
strong
molecular
responses
are
proposed
future
monitoring.
findings
emphasize
importance
proteomic
approaches
detect
subtle
physiological
contaminants
support
need
non-targeted
analysis
biomonitoring
Language: Английский