bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Сен. 6, 2023
Abstract
Island
organisms
often
evolve
phenotypes
divergent
from
their
mainland
counterparts,
providing
a
useful
system
for
studying
adaption
under
differential
selection.
Some
island
birds
have
melanic
plumage
differing
the
color
of
conspecifics,
trait
proposed
as
an
insular
adaptation.
In
white-winged
fairywren
(
Malurus
leucopterus
),
subspecies
on
two
islands
black
nuptial
whereas
Australian
has
blue
plumage.
The
feather
nanostructure
that
could
produce
structural
color,
suggesting
ancestor.
An
earlier
study
independent
evolution
melanism
based
history
divergence.
However,
genetic
basis
and
origin
differentiation
in
this
group
are
still
unknown.
Here,
we
used
whole-genomes
to
investigate
by
comparing
M.
identify
highly
genomic
regions.
We
identified
well-known
pigmentation
gene
ASIP
four
candidate
genes
may
contribute
development.
also
detected
signatures
selective
sweep
regions
containing
SCUBE2
not
subspecies,
predicted
work,
but
which
possesses
many
derived
SNPs
these
regions,
re-evolved
This
re-evolution
was
likely
driven
pre-existing
female
preference.
Our
findings
provide
new
insight
into
coloration
versus
continental
populations,
and,
importantly,
play
roles
development
coloration.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 19, 2024
Abstract
Animal
communication
can
be
complex,
often
involving
multiple
static
and
dynamic
traits.
The
extent
to
which
these
traits
are
correlated
elucidate
their
function
as
either
redundant
or
messages.
Using
the
agamid
lizard,
Psammophilus
dorsalis
,
a
model
system
we
examined
patterns
of
trait
expression
role
steroid
hormones
in
mediating
during
social
interactions.
We
staged
male-male
interactions
lab
measured
repertoire
display
behaviour
colours,
change
dynamically
visible
ultraviolet
ranges
different
body
regions.
Additionally,
testosterone
corticosterone
levels
before
after
trials.
Our
results
show
that
within
colour
categories,
components
were
strongly
individuals,
suggesting
shared
physiological
pathway
information
content.
However,
across
correlation
varied.
chromatic
contrast
(yellow)
dorsal
region
lizards
was
with
both
size
level
aggression,
whereas
UV
patches
only.
also
found
negative
association
between
baseline
levels,
yellow
contrast,
mechanistic
link
interaction
induced
uncorrelated
behavioural
displays
itself.
Notably,
intensity
males
matched
by
opponents.
Overall,
our
suggest
signalling
ensure
redundancy
well
provide
messages
receivers,
thus
improving
robustness
transfer,
particularly
competitions
have
high
fitness
consequences.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Сен. 6, 2023
Abstract
Island
organisms
often
evolve
phenotypes
divergent
from
their
mainland
counterparts,
providing
a
useful
system
for
studying
adaption
under
differential
selection.
Some
island
birds
have
melanic
plumage
differing
the
color
of
conspecifics,
trait
proposed
as
an
insular
adaptation.
In
white-winged
fairywren
(
Malurus
leucopterus
),
subspecies
on
two
islands
black
nuptial
whereas
Australian
has
blue
plumage.
The
feather
nanostructure
that
could
produce
structural
color,
suggesting
ancestor.
An
earlier
study
independent
evolution
melanism
based
history
divergence.
However,
genetic
basis
and
origin
differentiation
in
this
group
are
still
unknown.
Here,
we
used
whole-genomes
to
investigate
by
comparing
M.
identify
highly
genomic
regions.
We
identified
well-known
pigmentation
gene
ASIP
four
candidate
genes
may
contribute
development.
also
detected
signatures
selective
sweep
regions
containing
SCUBE2
not
subspecies,
predicted
work,
but
which
possesses
many
derived
SNPs
these
regions,
re-evolved
This
re-evolution
was
likely
driven
pre-existing
female
preference.
Our
findings
provide
new
insight
into
coloration
versus
continental
populations,
and,
importantly,
play
roles
development
coloration.
