Seasonal dietary changes relate to gut microbiota composition depending on the host species but do not correlate with gut microbiota diversity in arthropod‐eating lizards
Molecular Ecology,
Journal Year:
2024,
Volume and Issue:
33(14)
Published: June 2, 2024
Abstract
The
animal
gut
microbiota
is
strongly
influenced
by
environmental
factors
that
shape
their
temporal
dynamics.
Although
diet
recognized
as
a
major
driver
of
variation,
dietary
patterns
have
seldom
been
linked
to
dynamics
in
wild
animals.
Here,
we
analysed
the
variation
between
dry
and
rainy
seasons
across
four
Sceloporus
species
(
S.
aeneus
,
bicanthalis
grammicus
spinosus
)
from
central
Mexico
light
changes
composition.
lizard
was
dominated
Firmicutes
(now
Bacillota)
Bacteroidota,
closely
related
shared
great
number
core
bacterial
taxa.
We
report
species‐specific
seasonal
diversity
composition:
greater
alpha
during
compared
season
opposite
pattern
no
differences
.
Our
findings
indicated
positive
association
composition
for
but
did
not
increase
linearly
with
richness
any
species.
In
addition,
seasonality
affected
composition,
microbial
community
similarity
increased
well
Together,
our
results
illustrate
play
role
shaping
populations,
this
rule
other
ecological
influence
variation.
Language: Английский
Anthropogenic reverberations on the gut microbiome of dwarf chameleons (Bradypodion)
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e18811 - e18811
Published: Feb. 28, 2025
Exploration
of
the
microbiome
has
been
referred
to
as
a
final
frontier
in
biological
research.
This
is
due
its
precedence
for
generating
insights
on
holistic
functioning
organismal
biology
by
exploring
interactions
between
hosts
and
their
associated
symbiotic
organisms.
The
microbiomes
many
vertebrate
groups
still
require
exploration
advance
current
knowledge
fill
previous
gaps.
study
generated
initial
descriptions
bacterial
three
species
dwarf
chameleon
(
Bradypodion
)
from
16S
rRNA
gene
region
targeting
V3
V4
hypervariable
regions.
led
successful
identification
1,073
4,502
independent
amplicon
sequence
variants
buccal
swab
faecal
material
samples,
respectively.
newly
acquired
information
intended
baseline
future
work
incorporating
holobiont
information.
diversity
microbial
taxa
suggests
that
total
similar
other
squamates
investigated
date,
well
chelonians
(Testudines).
Microbial
frequency
differences
were
noted
comparison
crocodilians
(Archosauria)
mammalian
groups.
Furthermore,
this
aimed
examine
influence
habitat
transformation
composition
chameleons
each
occupy
both
urban
natural
habitats.
Given
most
habitats
are
highly
transformed,
expectation
was
assemblages
gastro-intestinal
tracts
all
would
show
significant
populations
i.e.
,
natural,
or
urban).
It
found,
however,
level
effect
contingent
species:
B.
melanocephalum
showed
noticeable
populations;
thamnobates
variations
community
dispersions
setaroi
no
based
metrics
although
some
differences,
composition,
observed
populations.
We
suggest
magnitude
difference
occupied
factor,
given
apparent
disparity
compared
two
species.
Language: Английский
Blood and cloacal microbiome profile of captive green turtles (Chelonia mydas) and hawksbill turtles (Eretmochelys imbricata): Water quality and conservation implications
Xin Li Ching,
No information about this author
Syamsyahidah Samsol,
No information about this author
Mohd Uzair Rusli
No information about this author
et al.
Chemosphere,
Journal Year:
2025,
Volume and Issue:
375, P. 144223 - 144223
Published: March 5, 2025
Language: Английский
16S rRNA Gene Sequencing-Based Identification and Comparative Analysis of the Fecal Microbiota of Five Syntopic Lizard Species from a Low-Mountain Area in Western Bulgaria
Applied Microbiology,
Journal Year:
2024,
Volume and Issue:
4(1), P. 181 - 193
Published: Jan. 18, 2024
Studies
on
the
gut
microbiome
of
free-living
reptiles
in
Europe
are
generally
fragmentary
and
still
missing
Bulgaria.
We
aimed
to
identify
compare
fecal
microbiota
profiles
five
syntopic
lizard
species
from
three
families:
European
green
(Lacerta
viridis),
common
wall
(Podarcis
muralis),
meadow
(Darevskia
praticola)
(Lacertidae),
snake-eyed
skink
(Ablepharus
kitaibelii)
(Scincidae),
slow
worm
(Anguis
fragilis)
(Anguidae),
which
coinhabit
a
low
mountainous
area
western
part
country.
A
high-throughput
sequencing
hypervariable
V3-V4
region
16S
rRNA
gene,
performed
Illumina
HiSeq2500
platform,
was
used.
The
core
hosts
seems
be
species-specific.
dynamic
phyla
proportion
between
found.
richest
alpha
diversity
observed
D.
praticola,
lowest
P.
muralis
A.
fragilis.
Within
lacertids,
praticola
L.
viridis
were
more
closely
related
each
other
than
they
those
muralis.
Sharing
largely
trophic
resource
(all
except
fragilis
mainly
insectivorous)
not
an
indication
similarity
their
microbial
communities.
Language: Английский
Comparative gut microbiome research through the lens of ecology: theoretical considerations and best practices
Samuel Degregori,
No information about this author
Xiaolin Wang,
No information about this author
Akhil Kommala
No information about this author
et al.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Comparative
approaches
in
animal
gut
microbiome
research
have
revealed
patterns
of
phylosymbiosis,
dietary
and
physiological
convergences,
environment-host
interactions.
However,
most
large-scale
comparative
studies,
especially
those
that
are
highly
cited,
focused
on
mammals,
efforts
to
integrate
with
existing
ecological
frameworks
lacking.
While
mammals
serve
as
useful
model
organisms,
developing
generalised
principles
how
microbiomes
shaped
these
interact
bidirectionally
host
ecology
evolution
requires
a
more
complete
sampling
the
kingdom.
Here,
we
provide
an
overview
what
past
studies
taught
us
about
microbiome,
community
theory
may
help
resolve
certain
contradictions
research.
We
explore
whether
hypotheses
supported
across
clades,
disproportionate
focus
has
introduced
potential
bias
into
theory.
then
introduce
methodological
solution
by
which
public
data
understudied
hosts
can
be
compiled
analysed
context.
Our
aggregation
analysis
179
shows
generating
sets
rich
diversity
is
possible
key
microbes
associated
widespread
also
show
effects
sample
size
taxonomic
rank
results
multivariate
analyses
vary
significantly
two
parameters.
challenges
remain
universal
bring
one
step
closer
integrating
evolution.
Language: Английский
Gut bacterial communities in roadkill animals: A pioneering study of two species in the Amazon region in Ecuador
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(12), P. e0313263 - e0313263
Published: Dec. 30, 2024
Studying
the
microbial
communities
within
gastrointestinal
tract
of
vertebrate
species
can
provide
insights
into
biodiversity,
disease
ecology,
and
conservation.
Currently,
we
have
very
limited
understanding
composition
endogenous
microbiota
in
wildlife,
particularly
high
biodiversity
tropical
areas.
Knowledge
is
by
logistical
ethical
challenges
obtaining
samples
for
free-living
animals.
Roadkill
carcasses
offer
a
largely
untapped
source
biological
material,
including
gut
microbiota.
These
animals
that
died
on
roads
due
to
collisions
with
vehicles
are
suitable
accessible,
opportunistic
sampling.
Here,
used
metabarcoding
V
3
—V
4
region
16S
rRNA
gene
nine
roadkill
collected
from
road
Ecuador
representing
two
species:
speckled
worm
lizard
(
Amphisbaena
bassleri
)
smooth-billed
ani
Crotophaga
).
We
successfully
identify
phyla
both
Firmicutes,
Bacteroidetes,
Proteobacteria
A
.
,
Firmicutes
Actinobacteria
C
Our
study
provides
first
description
these
vertebrates,
demonstrates
feasibility
studying
material
be
opportunistically
preserved
biobanks.
Language: Английский