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.
Nature Plants,
Год журнала:
2023,
Номер
9(10), С. 1643 - 1658
Опубликована: Сен. 28, 2023
Abstract
Here
an
improved
carrot
reference
genome
and
resequencing
of
630
accessions
were
used
to
investigate
domestication
improvement.
The
study
demonstrated
that
was
domesticated
during
the
Early
Middle
Ages
in
region
spanning
western
Asia
central
Asia,
orange
selected
Renaissance
period,
probably
Europe.
A
progressive
reduction
genetic
diversity
accompanied
this
process.
Genes
controlling
circadian
clock/flowering
carotenoid
accumulation
under
selection
Three
recessive
genes,
at
REC
,
Or
Y2
quantitative
trait
loci,
essential
select
for
high
α-
β-carotene
phenotype.
All
three
genes
control
through
molecular
mechanisms
regulate
interactions
between
biosynthetic
pathway,
photosynthetic
system
chloroplast
biogenesis.
Overall,
elucidated
breeding
history
genetics
a
level.
Science,
Год журнала:
2024,
Номер
383(6689), С. 1368 - 1373
Опубликована: Март 21, 2024
Visual
preferences
are
important
drivers
of
mate
choice
and
sexual
selection,
but
little
is
known
how
they
evolve
at
the
genetic
level.
In
this
study,
we
took
advantage
diversity
bright
warning
patterns
displayed
by
Heliconius
butterflies,
which
also
used
during
choice.
Combining
behavioral,
population
genomic,
expression
analyses,
show
that
two
species
have
evolved
same
for
red
exchanging
material
through
hybridization.
Neural
regucalcin1
correlates
with
visual
preference
across
populations,
disruption
CRISPR-Cas9
impairs
courtship
toward
conspecific
females,
providing
a
direct
link
between
gene
behavior.
Our
results
support
role
hybridization
behavioral
evolution
visually
guided
behaviors
contributing
to
adaptation
speciation
encoded
within
genome.
Horticultural Plant Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Floral
color
and
scent
are
crucial
for
plant-environment
interactions,
especially
in
reproduction
by
attracting
pollinators
fertilization.
They
also
have
wide
applications
cosmetic,
pharmaceutical,
nutraceutical
industries.
Plant
pigments
typically
classified
as
chlorophylls,
flavonoids,
carotenoids,
betalains,
while
volatile
organic
compounds
(VOCs)
grouped
terpenes,
phenylpropanoids/benzenoids,
fatty
acid
derivatives.
Significant
progresses
been
made
understanding
the
biosynthesis
regulation
of
these
floral
VOCs.
Despite
differences
their
biosynthetic
pathways,
VOCs
biochemically
connected
exhibit
synergistic
interactions
during
flower
development
response
to
biotic
abiotic
stresses,
suggesting
existence
pleiotropic
regulators
or
complex
mechanisms
co-regulating
biosynthesis.
In
this
review,
we
summarize
outline
metabolite
pathways
mainly
integrating
phenylpropanoids/benzenoids.
We
provide
a
series
scenarios
illustrating
coordinated
scent.
Finally,
suggest
areas
future
research.
hope
review
will
spark
interest
research
direction
stimulate
further
studies.
Horticulture Advances,
Год журнала:
2024,
Номер
2(1)
Опубликована: Фев. 6, 2024
Abstract
Flower
color
and
scent,
crucial
qualitative
characteristics
of
ornamental
plants,
display
extensive
variation.
These
distinct
pigments
scents
play
a
key
role
in
attracting
specific
pollinators.
While
previous
research
primarily
delved
into
the
synthetic
regulatory
mechanisms
individual
traits
their
respective
attraction
to
insects,
recent
studies
unveil
an
interconnectedness
between
flower
scent
through
transcriptional
networks.
Moreover,
evidence
suggests
that
both
actively
contribute
insect
attraction.
This
review
summarizes
co-regulation
synthesis
scents,
highlighting
pivotal
roles
pollinator
The
insights
provided
will
serve
as
valuable
references
for
applications
metabolic
engineering,
novel
variety
breeding,
pest
detection
management.
Kernel
dehydration
rate
(KDR)
is
a
crucial
production
trait
that
affects
mechanized
harvesting
and
kernel
quality
in
maize;
however,
the
underlying
mechanisms
remain
unclear.
Here,
we
identified
quantitative
locus
(QTL),
qKDR1,
as
non-coding
sequence
regulates
expression
of
qKDR1
REGULATED
PEPTIDE
GENE
(RPG).
RPG
encodes
31
amino
acid
micropeptide,
microRPG1,
which
controls
KDR
by
precisely
modulating
two
genes,
ZmETHYLENE-INSENSITIVE3-like
1
3,
ethylene
signaling
pathway
kernels
after
filling.
microRPG1
Zea
genus-specific
micropeptide
originated
de
novo
from
sequence.
Knockouts
result
faster
maize.
By
contrast,
overexpression
or
exogenous
application
shows
opposite
effect
both
maize
Arabidopsis.
Our
findings
reveal
molecular
mechanism
provide
an
important
tool
for
future
crop
breeding.
Carrots
(Daucus
carota
L.)
are
a
rich
source
of
provitamin
A,
namely,
α-
and
β-carotene.
Breeding
programs
prioritize
increasing
β-carotene
content
for
improved
color
nutrition.
Understanding
the
genetic
basis
carotenoid
accumulation
is
crucial
implementing
genomic-assisted
selection
to
develop
high-carotenoid
lines.
While
previous
studies
identified
loci
(Y2,
Y,
Or,
REC)
associated
with
carrot
content,
this
study
employed
genome-wide
association
(GWA)
in
diverse
panel
738
accessions.
We
discovered
novel
locus
candidate
gene
encoding
phytoene
synthase,
key
enzyme
biosynthesis.
The
Y2,
REC
mostly
fixed
orange
varieties,
yet
considerable
variation
concentration
persists.
This
suggests
multigenic
trait
influenced
by
environment.
GWA
quantitative
total
carotenoids
α-carotene.
explored
accuracy
genomic
prediction
(GP)
models
predict
concentration.
determined
optimal
number
plants
plots
required
accurate
phenotyping,
finding
≥5
per
plot
three
site
as
minimum
effective
sample
accession.
GP
achieved
accuracies
ranging
from
0.06
0.40
depending
on
measured
environment
carrots
were
assayed.
Additional
breeding
will
clarify
potential
carrots.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Abstract
The
recent
discovery
that
various
insects
have
acquired
functional
genes
through
horizontal
gene
transfer
(HGT)
has
prompted
numerous
studies
into
this
puzzling
and
fascinating
phenomenon.
So
far,
horizontally
transferred
are
found
to
be
functionally
conserved
largely
retained
their
ancestral
functions.
It
evidently
not
yet
been
considered
may
evolve
can
contribute
divergence
between
species.
Here,
it
is
first
showed
the
genomes
of
two
widespread
agriculturally
important
whiteflies
Trialeurodes
vaporariorum
Bemisia
tabaci
both
contain
a
plant‐derived
thaumatin‐like
protein
(
TLP
)
gene,
but
with
highly
distinct
functions
in
these
closely
related
pests.
In
T.
,
maintained
function
similar
plant
donor,
acting
as
an
antimicrobial
resist
fungal
infection;
sharp
contrast,
B.
evolved
effector
suppresses
defense
responses.
These
findings
reveal
as‐yet
undescribed
scenario
cross‐species
differentiation
suggest
HGT‐mediated
evolutionary
novelty
ecotypic
even
speciation.
Horticultural Plant Journal,
Год журнала:
2023,
Номер
9(6), С. 1067 - 1078
Опубликована: Июнь 28, 2023
Pigmentation
patterns
are
ubiquitous
in
nature.
Visually
striking
pigmentation
not
only
aesthetically
appealing,
but
also
crucial
to
pollinator
interaction
and
plant
fitness.
The
formation
of
complex
floral
mainly
relies
on
the
spatiotemporal
expression
R2R3-MYB
transcription
factors
is
often
associated
with
certain
development
programs,
such
as
organ
identity,
symmetry,
which
likely
provide
key
information
initiate
patterning.
For
a
pattern
form,
at
least
pair
activator
inhibitor
required,
despite
their
might
vary
depending
system
being
investigated.
regulation
involves
multiple
molecular
mechanisms,
transcriptional
regulation,
small
RNA,
transposon-mediated
gene
silencing,
methylation
body.
Identifying
these
regulators
can
be
facilitated
by
using
single-cell
spatial
transcriptomics
well
innovative
transformation
technologies.
Moreover,
interdependent,
current
methods
describing
static.
Therefore,
more
precise
quantitative
measurements
needed
elucidate
developmental
mechanisms
underlying
flowers.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Ноя. 18, 2023
Breakdown
of
reproductive
isolation
facilitates
flow
useful
trait
genes
into
crop
plants
from
their
wild
relatives.
Hybrid
sterility,
a
major
form
exists
between
cultivated
rice
(Oryza
sativa)
and
(O.
meridionalis,
Mer).
Here,
we
report
the
cloning
qHMS1,
quantitative
locus
controlling
hybrid
male
sterility
these
two
species.
Like
qHMS7,
another
cloned
previously,
qHMS1
encodes
toxin-antidote
system,
but
differs
in
encoded
proteins,
evolutionary
origin,
action
time
point
during
pollen
development.
In
heterozygous
at
~
50%
pollens
carrying
qHMS1-D
(an
allele
rice)
are
selectively
killed.
both
75%
without
co-presence
qHMS1-Mer
qHMS7-D
killed,
indicating
that
antidotes
function
toxin-dependent
manner.
Our
results
indicate
different
systems
provide
stacked
for
maintaining
species
identity
shed
light
on
breakdown
sterility.