Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 8, 2023
Abstract
Background
As
a
representative
extreme
ecosystem,
the
Qinghai-Tibet
Plateau
is
subject
to
special
climatic
conditions,
that
require
unique
adaptations
for
organisms
living
in
region.
In
addition
genetic
characteristics,
gut
microbiota
animals
can
regulate
environmental
adaptation
of
hosts
through
various
"gut-organ"
axes.
The
Tibetan
chicken
principal
poultry
species
raised
on
Plateau,
however
there
limited
understanding
interactions
its
and
host
gene
expression,
as
well
their
associations
with
plateau’s
hypoxic
conditions.
this
study,
multi-omics
approach
was
used
investigate
chickens
explore
mechanisms
involved
Results
Significant
differences
were
found
among
different
populations
sampled
from
across
China,
governed
by
variations
habitat
pools
turnover.
A
more
complex
stochastic-dominated
higher
functional
redundancy
observed
population
plateau
environment.
Furthermore,
also
had
effective
fatty
acid
degradation
capacity,
corresponding
contrast,
lowland
breeding
farms
showed
stronger
immune
system
responses
defense
against
frequent
health
threats.
These
strategies
be
regulated
core
microbes
taxa
phylum
Firmicutes.
Conclusions
Our
findings
demonstrate
roles
breed
assembly
chickens,
clarifies
changes
via
microbiota-driven
Animal Microbiome,
Journal Year:
2022,
Volume and Issue:
4(1)
Published: April 28, 2022
Inter-population
variation
in
host-associated
microbiota
reflects
differences
the
hosts'
environments,
but
this
characterization
is
typically
based
on
studies
comparing
few
populations.
The
diversity
of
natural
habitats
and
captivity
conditions
occupied
by
any
given
host
species
has
not
been
captured
these
comparisons.
Moreover,
intraspecific
gut
microbiota,
generally
attributed
to
diet,
may
also
stem
from
differential
acquisition
environmental
microbes-an
understudied
mechanism
which
microbiomes
are
directly
shaped
microbes.
To
more
comprehensively
characterize
an
ecologically
flexible
host,
ring-tailed
lemur
(Lemur
catta;
n
=
209),
while
investigating
role
acquisition,
we
used
16S
rRNA
sequencing
soil
sampled
up
13
settings,
eight
wilderness
Madagascar
five
or
U.S.
Based
matched
fecal
samples,
microbial
source
tracking
examine
covariation
between
two
types
consortia.The
microbes
varied
markedly
within
settings.
Microbial
was
consistently
greater
wild
than
captive
lemurs,
indicating
that
metric
necessarily
indicator
habitat
condition.
Variation
composition
inconsistent
both
with
a
single,
representative
community
for
conspecifics
universal
'signal
captivity'
homogenizes
consortia
animals.
Despite
similar,
commercial
diets
lemurs
continents,
were
compositionally
most
suggesting
non-dietary
factors
govern
some
variability.
In
particular,
communities
across
geographic
locations,
samples
different
continents
being
distinct,
there
significant
context-specific
microbiota.As
one
broadest,
single-species
investigations
primate
our
study
highlights
sensitive
multiple
scales
differences.
This
finding
begs
reevaluation
simple
'captive
vs.
wild'
dichotomy.
Beyond
important
implications
animal
care,
health,
conservation,
mediate
aspects
further
expands
framework
how
interact
landscapes.
Food Research International,
Journal Year:
2024,
Volume and Issue:
187, P. 114358 - 114358
Published: April 19, 2024
One
third
of
the
food
produced
for
human
consumption
is
currently
lost
or
wasted.
Insects
have
a
high
potential
converting
organic
waste-
and
by-products
into
feed
growing
population
due
to
symbiosis
with
microorganisms.
These
symbioses
provide
an
untapped
reservoir
functional
microbiomes
that
can
be
used
improve
industrial
insect
production
but
are
poorly
studied
in
most
species.
Here
we
review
current
understanding
challenges
valorizing
through
insects
their
feed,
emerging
novel
technologies
investigate
manipulate
host(insects)-microbiome
interactions.
We
further
construct
holistic
framework,
by
integration
including
holo-omics,
genome
editing,
breeding,
phage
therapy,
administration
prebiotics
probiotics
interactions,
solutions
achieving
stakeholder
acceptance
sustainable
production.
Global Ecology and Biogeography,
Journal Year:
2023,
Volume and Issue:
32(6), P. 931 - 944
Published: March 18, 2023
Abstract
Background
The
question
of
which
ecological
and
evolutionary
processes
structure
the
distribution
biodiversity
has
intrigued
scientists
for
centuries,
historically,
inferences
have
been
gained
predominantly
by
studying
animals
plants.
Although
substantial
progress
made
towards
understanding
multitude
factors
that
shape
host‐associated
microbial
communities
(i.e.,
microbiomes),
it
remains
largely
unknown
whether
large‐scale
geographical
patterns
in
diversity
observed
macroorganisms
also
apply
their
microbiomes
are
shaped
same
appear
key
determining
biogeographical
hosts.
microbiome
We
discuss
challenges
potential
approaches
biogeography,
with
goal
inspiring
future
lines
research
can
stimulate
development
new
theory
field.
examples
presented
here
focus
specifically
on
bacterial
microbiomes,
we
give
an
overview
beginning
to
examine
some
classic
central
fields
ecology
evolution.
Potential
impacts
variation
host
evolution
Microbiome
particularly
important
consider
because
microbes
crucial
many
aspects
biology
how
more
comprehensive
knowledge
at
individual
population
levels
might
be
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 2, 2024
Abstract
It
is
becoming
increasingly
evident
that
the
myriad
of
microbes
in
gut,
within
cells
and
attached
to
body
parts
(or
roots
plants),
play
crucial
roles
for
host.
Although
this
has
been
known
decades,
recent
developments
molecular
biology
allow
expanded
insight
into
abundance
function
these
microbes.
Here
we
used
vinegar
fly,
Drosophila
melanogaster
,
investigate
fitness
measures
across
lifetime
flies
fed
a
suspension
gut
harvested
from
young
or
old
flies,
respectively.
Our
hypothesis
was
constitutively
enriched
with
‘Young
microbiome’
would
live
longer
be
more
agile
at
age
(i.e.
have
increased
healthspan)
compared
an
‘Old
microbiome’.
Three
major
take
home
messages
came
out
our
study:
(1)
microbiomes
differ
markedly;
(2)
feeding
Young
Old
altered
microbiome
recipient
(3)
two
different
microbial
diets
did
not
any
effect
on
locomotor
activity
nor
lifespan
contradicting
working
hypothesis.
Combined,
results
provide
novel
interplay
between
hosts
their
clearly
highlight
phenotypic
effects
transplants
probiotics
can
complex
unpredictable.
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
292(2043)
Published: March 1, 2025
Can
the
microbiome
serve
as
a
reservoir
of
adaptive
potential
for
hosts?
To
address
this
question,
we
leveraged
approximately
150
generations
experimental
evolution
in
Drosophila
melanogaster
on
stressful,
high-sugar
diet.
We
performed
fully
reciprocal
transplant
experiment
using
control
and
bacteria.
If
confers
benefits
to
hosts,
then
recipients
should
gain
fitness
compared
with
controls.
Interestingly,
found
that
such
exist,
but
their
magnitude
depends
evolutionary
history—mismatches
between
fly
reduced
fecundity
potentially
exerted
costs,
especially
stressful
The
dominant
bacteria
(
Acetobacter
pasteurianus
)
uniquely
encoded
several
genes
enable
uric
acid
degradation,
mediating
toxic
effects
accumulation
due
diet
flies.
Our
study
demonstrates
host
genotype
×
environment
interactions
have
substantial
phenotype,
highlighting
how
ecological
context
together
shape
microbiome.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Feb. 6, 2024
Abstract
Background
Schizothorax
o’connori
is
an
endemic
fish
distributed
in
the
upper
and
lower
reaches
of
Yarlung
Zangbo
River
China.
It
has
experienced
a
fourth
round
whole
gene
replication
events
good
model
for
exploring
genetic
differentiation
environmental
adaptability
Qinghai-Tibet
Plateau.
The
uplift
Plateau
led
to
changes
river
system,
thereby
affecting
exchange
population
between
populations.
With
release
genome
data,
resequencing
been
widely
used
evolutionary
analysis
screening
selected
genes
fish,
which
can
better
elucidate
basis
molecular
adaptation
mechanisms
fish.
Therefore,
our
purpose
this
study
was
understand
structure
adaptive
characteristics
S.
using
whole-genome
method
.
Results
results
showed
that
23,602,746
SNPs
were
identified
from
seven
populations,
mostly
on
chromosomes
2
23.
There
no
significant
diversity
relatively
low.
However,
Zangga
could
be
separated
Bomi,
Linzhi,
Milin
populations
cluster
analysis.
Based
historical
dynamics
population,
size
ancestral
affected
by
late
accelerated
Qinghai
Tibet
Fourth
Glacial
Age.
sites
enriched
pathways
related
DNA
repair
energy
metabolism.
Conclusion
Overall,
provides
valuable
insights
into
obvious
at
level
upstream
downstream
River.
current
distribution
pattern
are
influenced
Ice
metabolism
adapt
low
temperature
strong
ultraviolet
radiation
environment
high
altitude.
Microbiome,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Sept. 28, 2023
Changes
in
population
heterozygosity
and
genetic
diversity
play
important
roles
mediating
life
history
traits
of
organisms;
these
changes
often
lead
to
phenotypic
evolution
offspring,
which
become
superior
their
parents.
In
the
present
study,
we
examined
differentiation,
intestinal
microbiome
composition,
metabolism
shift
oriental
fruit
fly
(Bactrocera
dorsalis)
by
comparing
an
inbred
(monophyletic)
original
outbred
(mixed)
invasive
population.The
results
showed
that
B.
dorsalis
had
significantly
higher
biomass,
adult
longevity,
fecundity
than
population.
Additionally,
microflora
analysis
revealed
both
Diutina
rugosa
Komagataeibacter
saccharivorans
were
enriched
with
heterozygosity.
D.
enrichment
altered
amino
acid
tract,
supplementing
essential
acids
(e.g.
histidine
glutamine)
diet
led
increase
pupal
weight
transcriptome
HSPA1S
gene
was
downregulated
involved
activation
JNK-MAPK
pathway
through
negative
regulation,
caused
upregulation
juvenile
hormone
(JH),
biomass
flies.In
conclusion,
microbe
transcriptional
leading
differentiation;
this
may
be
a
potential
mechanism
driving
global
invasion
dorsalis.
Thus,
multiple
introductions
could
invasiveness
enhancement
mixing,
providing
preliminary
evidence
can
promote
biological
invasion.
Video
Abstract.
Environmental DNA,
Journal Year:
2024,
Volume and Issue:
6(3)
Published: May 1, 2024
Abstract
The
Northern
muriqui
(
Brachyteles
hypoxanthus
)
is
one
of
the
world's
most
critically
endangered
primates,
with
only
~1000
mature
individuals
remaining
in
wild.
Habitat
loss
and
hunting
have
led
to
its
sharp
decline,
making
conservation
efforts
crucial.
Analyses
gut
microbiomes
wild
populations
can
provide
valuable
information
on
host
health
vulnerability,
ultimately,
contribute
baseline
knowledge
toward
improving
programs
reintroduction
efforts.
In
this
study,
we
analyzed
microbiome
(16S
rRNA
metabarcoding)
fecal
samples
belonging
53
uniquely
genotyped
from
three
social
groups
Caparaó
National
Park,
aiming
first
assessment
diversity
composition
for
species.
Our
results
showed
was
predominantly
composed
phyla
Bacteroidetes
Firmicutes,
dominant
classes
represented
by
Bacteroidia
Clostridia.
High
similarity
bacterial
found
distinct
groups,
suggesting
a
negligible
geographical
effect
at
fine
spatial
scale
analyzed.
No
significant
genotype
heterozygosity
levels
microbiota
recovered,
but
influence
genetic
distance
community
structure
demonstrated.
findings
stress
importance
considering
associations
between
genetics
suggest
that
similar
composition.
This
detailed
aid
actions,
including
future
anthropogenic
impact
assessments
animal
reintroductions.