Annual cycle variations in the gut microbiota of migratory black-necked cranes
Yujia Zhang,
Ruifeng Ma,
Suolangduoerji
и другие.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 7, 2025
Migratory
birds
exhibit
unique
annual
cycles
that
complicate
their
gut
microbiota.
However,
the
dynamics
of
microbiota
in
migratory
remain
unclear,
hindering
our
understanding
environmental
adaptation.
Here,
we
collected
fecal
samples
from
black-necked
cranes
(Grus
nigricollis)
across
four
seasons
at
breeding
grounds
and
used
wintering
ground
data
databases
to
characterize
microbial
compositions
throughout
year.
The
results
showed
was
clustered
by
season
(Bray-Curtis:
R
2
=
0.348,
p
<
0.001;
UniFrac:
0.352,
0.001).
And
summer
exhibited
higher
alpha
(Simpson
Shannon),
beta
diversity
(Bray-Curtis
UniFrac)
more
diverse
functions
compared
other
seasons.
Furthermore,
summer,
several
balanced
relative
abundances
family
level,
whereas
Lactobacillaceae
dominated
during
Thirty-six
ASVs
were
identified
random
forest
analysis
distinguish
distinct
Despite
having
greater
diversity,
had
a
simpler
network
structure
than
(fewer
edges
nodes).
dispersal
limitation
processes
also
significantly
influenced
community
assembly.
Overall,
crane
undergoes
dynamic
adjustments
adapt
seasonal
changes,
which
may
be
associated
with
variations
diet
These
enhance
wild
support
further
research
on
cranes.
Язык: Английский
The diet–intestinal microbiota dynamics and adaptation in an elevational migration bird, the Himalayan bluetail (Tarsiger rufilatus)
Ecology and Evolution,
Год журнала:
2024,
Номер
14(7)
Опубликована: Июнь 29, 2024
Abstract
Migratory
birds
experience
changes
in
their
environment
and
diet
during
seasonal
migrations,
thus
requiring
interactions
between
gut
microbes.
Understanding
the
co‐evolution
of
host
microbiota
is
critical
for
elucidating
rapid
adaptations
avian
microbiota.
However,
dynamics
microbial
concerning
elevational
migratory
behavior,
which
prevalent
but
understudied
montane
remain
poorly
understood.
We
focused
on
Himalayan
bluetail
(
Tarsiger
rufilatus
)
forests
Mt.
Gongga
to
understand
diet–gut
birds.
Our
findings
indicate
that
movements
can
rapidly
alter
composition
function
within
a
month.
There
was
significant
interaction
an
animal‐based
across
migration
stages,
underscoring
importance
shaping
communities.
Furthermore,
T.
may
be
potentially
altered
by
high‐altitude
acclimatization.
An
increase
fatty
acid
amino
metabolism
observed
response
low
temperatures
limited
resources,
resulting
enhanced
energy
extraction
nutrient
utilization.
Moreover,
communities
distinct
segments
varied
relative
abundance
responses
environmental
changes.
While
bird
jejunum
exhibited
greater
susceptibility
food
fluctuations,
there
no
difference
metabolic
capacity
among
segments.
This
study
provides
initial
evidence
highlights
sample
collection.
provide
deeper
understanding
unique
adaptation
patterns
Язык: Английский