The
microbial
gut
communities
of
fish
are
receiving
increased
attention
for
their
relevance,
among
others,
in
a
growing
aquaculture
industry.The
members
these
often
split
into
resident
(long-term
colonisers
specialised
to
grow
and
adhere
the
gut)
transient
(short-term
originated
from
food
items
surrounding
water)
microorganisms.Separating
two
small
impeded
by
size
fragility
gastrointestinal
tract.With
aim
testing
whether
it
is
possible
recover
distinct
species
using
simple
sampling
technique,
we
used
16S
amplicon
sequencing
paired
intestinal
wall
digesta
samples
three
Cyprinodontiformes
fish.We
examined
diversity
compositional
variation
recovered
communities,
joint
distribution
modelling
identify
microbes
that
most
likely
be
part
community.For
all
found
was
significantly
lower
compared
community
composition
between
sample
types
different.Across
eight
unique
families
bacteria
enriched
wall,
encompassing
89
ASVs
samples.We
conclude
characterise
different
potentially
through
separately
analysing
encourage
researchers
aware
procedures
microbiome
characterization
will
capture
parts
this
should
taken
consideration
when
reporting
results
such
studies
on
fish.
Molecular Ecology,
Год журнала:
2022,
Номер
32(5), С. 1183 - 1196
Опубликована: Дек. 7, 2022
Fish
represent
a
large
part
of
the
taxonomic
diversity
vertebrates
and
are
high
commercial
value.
However,
factors
influencing
gut
microbiota
composition
freshwater
fish
over
spatial
scales
remain
unclear.
Therefore,
this
study
explored
microbiome
in
24
species
from
Yellow
River,
which
spans
1500
km
across
China.
The
results
showed
that
geographical
distance,
host
phylogeny
diet
significantly
influenced
microbial
community
diversity,
whereas
sex,
body
length
weight
had
minimal
influence.
Geographical
distance
was
primary
factor
shaping
microbiota,
dissimilarity
structure
increased
with
an
increase
mainly
driven
by
dispersal
limitation.
communities
were
more
homogeneous
at
higher
resolutions
due
to
dominant
role
selection
convergence.
Phylosymbiosis
observed
all
species,
stronger
pattern
Cypriniformes,
harbour
host-specific
taxa.
Host
explained
little
variation
although
it
significant
for
metrics
tested.
These
findings
collectively
suggest
host-based
patterns
tend
be
shaped
different
ecological
forces
River.
present
work
provides
robust
assessment
multiple
driving
assembly
offers
insight
into
mechanisms
underlying
shifts
rivers
scales.
Microbiology Spectrum,
Год журнала:
2024,
Номер
12(4)
Опубликована: Март 5, 2024
Understanding
the
factors
that
sculpt
fish
gut
microbiome
is
challenging,
especially
in
natural
populations
characterized
by
high
environmental
and
host
genomic
complexity.
However,
closely
related
hosts
are
valuable
models
for
deciphering
contribution
of
evolutionary
history
to
assembly,
through
underscoring
phylosymbiosis
co-phylogeny
patterns.
Here,
we
propose
recent
diversification
several
Pollutants,
Год журнала:
2021,
Номер
1(3), С. 141 - 155
Опубликована: Июль 5, 2021
Numerous
micropollutants,
especially
endocrine-disrupting
compounds
(EDCs),
can
pollute
natural
aquatic
environments
causing
great
concern
for
human
and
ecosystem
health.
While
most
of
the
conversation
revolves
around
estrogen
androgen,
glucocorticoids
(GCs)
are
also
prevalent
in
waters.
Despite
fact
that
GCs
play
a
crucial
role
both
inflammatory
immunologic
development
activities,
they
detected
waters
considered
as
one
EDCs.
Although
many
researchers
have
mentioned
adverse
effect
on
organisms,
complete
management
technology
to
remove
these
pollutants
from
surface
coastal
is
yet
be
established.
In
current
study,
six
(prednisone,
prednisolone,
cortisone,
cortisol,
dexamethasone,
6R-methylprednisolone)
been
selected
according
their
higher
detection
frequency
environmental
The
concentration
ranged
0.05
ng/L
433
removal
efficiency
10%
99%
depending
water
source
associated
technologies.
advanced
technologies
available
achieving
successful
GCs,
operational
economic
considerations
make
implementation
processes
unsustainable.
Further
studies
necessary
resolve
entry
routes
into
or
drinking
permanently
well
employ
sustainable
