Channa
marulius
is
a
freshwater
fish
of
the
riverine
systems
known
for
its
economic
and
ecological
importance
that
has
recently
been
introduced
into
farming
system.
The
current
study
aimed
to
identify
antibiotic
resistance
(ABR)
genes
in
five
pathogenic
bacteria
their
occurrence
C.
sampled
from
system
Pakistan.
Samples
were
collected
organs
480
samples
marulius.
Pathogenic
isolated
using
TSA
media,
DNA
was
GeneJET
Kit.
ABR
amplified
through
PCR
amplification.
phylogenetic
tree
16S
rRNA
gyrB
gene
constructed
examine
relationships.
Antimicrobial
susceptibility
tested
against
14
discs.
A
total
29
(6.0%)
isolates
E.
tarda,
33
(6.9%)
coli,
31
(6.4%)
A.
hydrophila,
23
(4.8%)
F.
columnare,
(6.04%)
S.
aureus
isolates,
retrieved
145
(28%)
samples.
analysis
revealed
100%
similarity
between
while
there
90%
among
tarda.
maximum
5.62%
5.42%
sul3
blaTEM
respectively
recorded
6.46%
qnrA
6.25%
tetA
coli.
caused
severe
abnormalities
tissues
infected
fish.
Finally,
it
concluded
introduction
wastewater,
including
effluents
antibiotics
pharmaceutical
industries
rivers,
results
harmful
microorganisms
developing
genes,
which
can
increase
risk
infection
transfer
other
bacteria.
Journal of Fish Diseases,
Journal Year:
2024,
Volume and Issue:
47(7)
Published: March 24, 2024
Abstract
The
emergence
of
antibiotic‐resistant
bacteria
(ARBs)
and
genes
(ARGs)
in
aquaculture
underscores
the
urgent
need
for
alternative
veterinary
strategies
to
combat
antimicrobial
resistance
(AMR).
These
measures
are
vital
reduce
likelihood
entering
a
post‐antibiotic
era.
Identifying
environmentally
friendly
biotechnological
solutions
prevent
treat
bacterial
diseases
is
crucial
sustainability
minimizing
use
antimicrobials,
especially
antibiotics.
development
probiotics
with
quorum‐quenching
(QQ)
capabilities
presents
promising
non‐antibiotic
strategy
sustainable
aquaculture.
Recent
research
has
demonstrated
effectiveness
QQ
(QQPs)
against
range
significant
fish
pathogens
disrupts
microbial
communication
(quorum
sensing,
QS)
by
inhibiting
production,
replication,
detection
signalling
molecules,
thereby
reducing
virulence
factors.
With
their
targeted
anti‐virulence
approach,
QQPs
have
substantial
promise
as
potential
application
aquaculture,
however,
still
its
early
stages
requires
additional
research.
Key
challenges
include
determining
optimal
dosage
treatment
regimens,
understanding
long‐term
effects,
integrating
other
disease
control
methods
diverse
systems.
This
review
scrutinizes
current
literature
on
antibiotic
usage,
AMR
prevalence
mechanisms
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(22), P. 15479 - 15479
Published: Nov. 21, 2022
Aquaculture
plays
an
important
role
in
food
production
for
the
world
population
and
at
same
time
livelihood
of
most
needed
globally.
The
concerns
about
sustainability
ecological
health
are
growing
this
extremely
diversified
sector
just
like
whole
agriculture
industry.
use
probiotics
aquaculture
already
has
a
long
history
served
from
beginning
goals
more
sustainable
production;
however,
expansion
intensive
systems
along
with
global
climate
change
produces
new
challenges.
present
work
aims
to
provide
overview
relevant
literature.
Firstly,
microbiome
aquatic
animals
its
functioning
is
surveyed
followed
by
methods
probiotic
application.
screening
testing
novel
also
assessed
as
well
scientific
technical
novelties
research.
mainstream
development
research
serve
all
respects
including
traditional
animal
health,
feed
efficiency,
environmental
issues.
New
state-of-the-art
techniques
may
lead
future
paradigm
under
aegis
Blue
Revolution.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
942, P. 173656 - 173656
Published: June 1, 2024
Coastal
and
estuarine
environments
are
under
endogenic
exogenic
pressures
jeopardizing
survival
diversity
of
inhabiting
biota.
Information
possible
synergistic
effects
multiple
(a)biotic
stressors
holobiont
interaction
largely
missing
in
estuaries
like
the
Elbe
but
importance
to
estimate
unforeseen
on
animals'
physiology.
Here,
we
seek
leverage
host-transcriptional
RNA-seq
gill
mucus
microbial
16S
rRNA
metabarcoding
data
coupled
with
physiological
abiotic
measurements
a
network
analysis
approach
decipher
impact
health
juvenile
Sander
lucioperca
along
one
largest
European
estuaries.
We
find
mesohaline
areas
characterized
by
tissue
specific
transcriptional
responses
matching
osmosensing
remodeling.
Liver
transcriptomes
instead
emphasized
that
zander
from
highly
turbid
were
undergoing
starvation
which
was
supported
compromised
body
condition.
Potential
pathogenic
bacteria,
including
Shewanella,
Acinetobacter,
Aeromonas
Chryseobacterium,
dominated
microbiome
freshwater
transition
oxygen
minimum
zone.
Their
occurrence
coincided
strong
adaptive
innate
immune
response
host
enhanced
energy
demand
liver
supporting
their
potential
pathogenicity.
Taken
together,
show
fish
species
its
factors
whose
is
expected
increase
consequences
climate
change.
further
present
method
for
close-meshed
detection
main
bacterial
disease
productive
ecosystem.
Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1282 - 1282
Published: April 25, 2025
The
accumulation
of
antibiotic
resistance
genes
(ARGs)
in
aquatic
systems
jeopardizes
public
health
and
ecological
environments.
This
study
investigates
ARGs
dissemination
freshwater
seawater,
focusing
on
the
sources,
prevalence
influencing
factors.
In
freshwater,
primarily
originate
from
medical/pharmaceutical
wastewaters,
industrial
operations,
agriculture,
livestock
sectors.
By
contrast,
addition
to
above
seawater
is
contaminated
by
mariculture
terrestrial
runoff.
Comparative
analysis
indicates
that
fresh
water
hosts
multidrug
resistance,
bacitracin
sulfonamides,
aminoglycosides,
beta-lactams,
whereas
exhibits
a
wider
range
encompassing
tetracyclines,
quinolones,
macrolides,
chloramphenicol
genes.
There
was
stronger
correlation
between
antibiotics
than
especially
farmed
waters.
Human
activities
significantly
contribute
pollution
both
seawater.
Urbanization
influences
while
offshore
distance
coastal
economic
development
dictate
selection
pressure
shed
lights
current
pollutant
status
marine
ecosystems
China,
providing
scientific
foundation
for
preservation
ecosystem
safeguarding
measures.
