Cold Spring Harbor Perspectives in Biology,
Год журнала:
2023,
Номер
16(10), С. a041429 - a041429
Опубликована: Дек. 27, 2023
How
barriers
to
gene
flow
arise
and
are
maintained
key
questions
in
evolutionary
biology.
Speciation
research
has
mainly
focused
on
that
occur
either
before
mating
or
after
zygote
formation.
In
comparison,
postmating
prezygotic
(PMPZ)
isolation-a
barrier
acts
gamete
release
but
formation-is
less
frequently
investigated
may
hold
a
unique
role
generating
biodiversity.
Here
we
discuss
the
distinctive
features
of
PMPZ
isolation,
including
primary
drivers
molecular
mechanisms
underpinning
isolation.
We
then
present
first
comprehensive
survey
isolation
research,
revealing
it
is
widespread
form
across
eukaryotes.
The
also
exposes
obstacles
studying
part
attributable
challenges
involved
directly
measuring
uncovering
its
causal
mechanisms.
Finally,
identify
outstanding
knowledge
gaps
provide
recommendations
for
improving
future
This
will
allow
us
better
understand
nature
this
often-neglected
reproductive
contribution
speciation.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(41)
Опубликована: Окт. 1, 2024
Long
noncoding
RNAs
(lncRNAs)
are
transcribed
elements
increasingly
recognized
for
their
roles
in
regulating
gene
expression.
Thus
far,
however,
we
have
little
understanding
of
how
lncRNAs
contribute
to
evolution
and
adaptation.
Here,
show
that
a
conserved
lncRNA,
ivory
,
is
an
important
color
patterning
the
buckeye
butterfly
Junonia
coenia
.
overlaps
with
cortex
locus
linked
multiple
cases
crypsis
mimicry
Lepidoptera.
Along
companion
paper
by
Livraghi
et
al.,
argue
not
pattern
interest
at
this
locus.
In
J.
cluster
cis
-regulatory
(CREs)
first
intron
genetically
associated
natural
variation
seasonal
plasticity,
targeted
deletions
these
CREs
phenocopy
phenotypes.
Deletions
different
produce
other
distinct
phenotypes
as
well,
including
loss
melanic
eyespot
rings,
positive
negative
changes
overall
wing
pigmentation.
We
transcription
factors
Spineless,
Bric-a-brac,
Ftz-f1
bind
promoter
during
development,
suggesting
they
directly
regulate
This
case
study
demonstrates
-regulation
single
RNA
can
exert
diverse
nuanced
effects
on
development
patterns,
modulating
seasonally
plastic
patterns.
Science,
Год журнала:
2024,
Номер
386(6726), С. 1135 - 1141
Опубликована: Дек. 5, 2024
In
Lepidoptera
(butterflies
and
moths),
the
genomic
region
around
gene
cortex
is
a
“hotspot”
locus,
repeatedly
implicated
in
generating
intraspecific
melanic
wing
color
polymorphisms
across
100
million
years
of
evolution.
However,
identity
effector
regulating
within
this
locus
remains
unknown.
We
show
that
none
four
candidate
protein-coding
genes
including
,
serve
as
major
effectors.
Instead,
microRNA
(miRNA),
mir-193
serves
three
deeply
diverged
lineages
butterflies,
its
role
conserved
Drosophila
.
Lepidoptera,
derived
from
gigantic
primary
long
noncoding
RNA,
ivory
it
functions
by
directly
repressing
multiple
pigmentation
genes.
miRNA
can
drive
repeated
instances
adaptive
evolution
animals.
Cold Spring Harbor Perspectives in Biology,
Год журнала:
2023,
Номер
16(10), С. a041429 - a041429
Опубликована: Дек. 27, 2023
How
barriers
to
gene
flow
arise
and
are
maintained
key
questions
in
evolutionary
biology.
Speciation
research
has
mainly
focused
on
that
occur
either
before
mating
or
after
zygote
formation.
In
comparison,
postmating
prezygotic
(PMPZ)
isolation-a
barrier
acts
gamete
release
but
formation-is
less
frequently
investigated
may
hold
a
unique
role
generating
biodiversity.
Here
we
discuss
the
distinctive
features
of
PMPZ
isolation,
including
primary
drivers
molecular
mechanisms
underpinning
isolation.
We
then
present
first
comprehensive
survey
isolation
research,
revealing
it
is
widespread
form
across
eukaryotes.
The
also
exposes
obstacles
studying
part
attributable
challenges
involved
directly
measuring
uncovering
its
causal
mechanisms.
Finally,
identify
outstanding
knowledge
gaps
provide
recommendations
for
improving
future
This
will
allow
us
better
understand
nature
this
often-neglected
reproductive
contribution
speciation.
