Complex structural variation and behavioral interactions underpin a balanced sexual mimicry polymorphism
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 14, 2024
Summary
How
phenotypic
diversity
originates
and
persists
within
populations
are
classic
puzzles
in
evolutionary
biology.
While
polymorphisms
hypothesized
to
be
under
balancing
selection
segregate
many
species,
it
remains
rare
for
the
genetic
basis
selective
forces
both
known
same
trait,
leading
an
incomplete
understanding
of
classes
polymorphisms.
Here,
we
uncover
architecture
a
balanced
sexual
mimicry
polymorphism
identify
behavioral
mechanisms
that
may
involved
its
maintenance
swordtail
fish
Xiphophorus
birchmanni
.
We
find
∼40%
X.
males
develop
“false
gravid
spot”,
melanic
pigmentation
pattern
mimics
“pregnancy
spot”
associated
with
maturity
female
live-bearing
fish.
Using
genome-wide
association
mapping,
detect
single
intergenic
region
variation
false
spot,
which
is
upstream
kitlga
,
gene
melanophore
patterning.
By
performing
long-read
sequencing
across
populations,
complex
structural
rearrangements
between
alternate
alleles
at
this
locus.
The
spot
haplotype
drives
increased
allele-specific
expression
provides
mechanistic
explanation
abundance
causes
spot.
studying
social
interactions
laboratory
nature,
experience
less
aggression;
however,
they
also
receive
attention
from
other
disdained
by
females.
These
play
role
maintaining
natural
populations.
speculate
variants
affecting
regulation
underappreciated
driver
diverse
species.
Language: Английский
Segregation between an ornamental and a disease driver gene provides insights into pigment cell regulation
Erika Soria,
No information about this author
Qiusheng Lu,
No information about this author
Will Boswell
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 22, 2024
Genetic
interactions
are
adaptive
within
a
species.
Hybridization
can
disrupt
such
species-specific
genetic
and
creates
novel
that
alter
the
hybrid
progeny
overall
fitness.
Hybrid
incompatibility,
which
refers
to
degenerative
decrease
survival,
is
one
of
results
from
combining
two
diverged
genomes
in
hybrids.
The
discovery
spontaneous
lethal
tumorigenesis
underlying
select
hybrids
between
Language: Английский
Molecular Systematics and Divergence of Tor and Neolissochilus Fishes (Cypriniforms: Cyprinidae) from Southeast Asia and South China
Journal of Zoological Systematics & Evolutionary Research,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
In
Southeast
Asia,
mahseer
fishes,
such
as
the
species
of
Tor
and
Neolissochilus
,
are
significant
native
commercial
fish.
Their
phylogeny
categorization
have
a
convoluted
history.
this
study,
molecular
systematics
divergence
fishes
from
Asia
South
China
were
examined
using
partial
or
complete
sequences
four
mitochondrial
genes
(cytochrome
oxidase
I,
cytochrome
b
16S,
ND4).
This
study
substantiated
monophyly
supported
N.
benasi
an
independent
genus.
The
result
T.
laterivittatus
synonym
sinensis
dongnaiensis
tambra
.
addition,
we
presented
high
diversity
crypticity
these
two
taxa
in
Asia.
divergent
time
estimation
indicated
originated
early
Miocene
(about
16.73
Ma),
genus
other
began
at
about
12.86
Ma.
Language: Английский
Segregation Between an Ornamental and a Disease Driver Gene Provides Insights Into Pigment Cell Regulation
Erika Soria,
No information about this author
Qiusheng Lu,
No information about this author
Will Boswell
No information about this author
et al.
Pigment Cell & Melanoma Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
ABSTRACT
Genetic
interactions
are
adaptive
within
a
species.
Hybridization
can
disrupt
such
species‐specific
genetic
and
creates
novel
that
alter
the
hybrid
progeny
overall
fitness.
Hybrid
incompatibility,
which
refers
to
degenerative
decrease
survival
sterility,
is
one
of
results
from
combining
two
diverged
genomes
in
hybrids.
The
discovery
spontaneous
lethal
tumorigenesis
underlying
select
hybrids
between
Xiphophorus
species
showed
pathological
process
result
interactions.
Such
leading
phenotype
thought
shield
gene
flow
However,
certain
do
not
develop
tumors.
Here
we
report
identification
locus
residing
genome
represses
an
oncogene
different
Our
finding
provides
insights
into
normal
pigment
cell
development,
regulation
molecular
mechanism
incompatibility.
Language: Английский