Molecular Ecology,
Год журнала:
2023,
Номер
33(24)
Опубликована: Авг. 14, 2023
Repetitive
elements
can
cause
large-scale
chromosomal
rearrangements,
for
example
through
ectopic
recombination,
potentially
promoting
reproductive
isolation
and
speciation.
Species
with
holocentric
chromosomes,
that
lack
a
localized
centromere,
might
be
more
likely
to
retain
rearrangements
lead
karyotype
changes
such
as
fusions
fissions.
This
is
because
chromosome
segregation
during
cell
division
should
less
affected
than
in
organisms
centromere.
The
relationships
between
repetitive
how
they
may
translate
patterns
of
speciation
are
though
poorly
understood.
Here,
we
use
reference-free
approach
based
on
low-coverage
short-read
sequencing
data
characterize
the
repeat
landscape
two
independently
evolved
groups:
Erebia
butterflies
Carex
sedges.
We
consider
both
micro-
macro-evolutionary
scales
investigate
differentiation
populations
association
repeats
phylogenetic
framework
Carex.
At
micro-evolutionary
scale,
found
population
increases
overall
intraspecific
genetic
among
four
species.
indications
an
along
phylogenies.
Altogether,
our
results
suggest
associated
level
clades
therefore
play
role
adaptation
species
diversification.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Июнь 25, 2021
Abstract
Among
crop
fruit
trees,
the
apricot
(
Prunus
armeniaca
)
provides
an
excellent
model
to
study
divergence
and
adaptation
processes.
Here,
we
obtain
nearly
600
Armeniaca
genomes
four
high-quality
assemblies
anchored
on
genetic
maps.
Chinese
European
apricots
form
two
differentiated
gene
pools
with
high
diversity,
resulting
from
independent
domestication
events
distinct
wild
Central
Asian
populations,
subsequent
flow.
A
relatively
low
proportion
of
genome
is
affected
by
selection.
Different
genomic
regions
show
footprints
selection
in
cultivated
apricots,
despite
convergent
phenotypic
traits,
predicted
functions
both
groups
involved
perennial
life
cycle,
quality
disease
resistance.
Selection
appear
more
abundant
a
hotspot
chromosome
4,
while
admixture
pervasive
apricots.
Our
clues
biology
selected
traits
targets
for
tree
research
breeding.
International Journal of Molecular Sciences,
Год журнала:
2020,
Номер
22(1), С. 333 - 333
Опубликована: Дек. 30, 2020
In
plants,
fruit
ripening
is
a
coordinated
developmental
process
that
requires
the
change
in
expression
of
hundreds
to
thousands
genes
modify
many
biochemical
and
physiological
signal
cascades
such
as
carbohydrate
organic
acid
metabolism,
cell
wall
restructuring,
ethylene
production,
stress
response,
organoleptic
compound
formation.
Prunus
species
(including
peaches,
apricots,
plums,
cherries),
leads
breakdown
complex
carbohydrates
into
sugars,
firmness
reductions
(softening
by
degradation
cuticle
properties
alteration),
color
changes
(loss
green
chlorophylls
increase
non-photosynthetic
pigments
like
anthocyanins
carotenoids),
acidity
decreases,
aroma
increases
(the
production
release
volatile
compounds).
Actually,
level
information
molecular
events
at
transcriptional,
biochemical,
hormonal,
metabolite
levels
underlying
fruits
has
increased
considerably.
However,
we
still
poorly
understand
switch
occurs
during
transition
from
unripe
ripe
fruits.
The
objective
this
review
was
analyze
bases
quality
through
an
integrated
metabolic,
genomic,
transcriptomic,
epigenetic
approach
better
involved
with
important
consequences
breeding
point
view.
Nucleic Acids Research,
Год журнала:
2021,
Номер
50(D1), С. D1442 - D1447
Опубликована: Окт. 13, 2021
Abstract
The
Green
Non-Coding
Database
(GreeNC)
is
one
of
the
reference
databases
for
study
plant
long
non-coding
RNAs
(lncRNAs).
Here
we
present
our
most
recent
update
where
16
species
have
been
updated,
while
78
added,
resulting
in
annotation
more
than
495
000
lncRNAs.
Moreover,
sequence
clustering
was
applied
providing
information
about
conservation
and
gene
families.
current
version
database
available
at:
http://greenc.sequentiabiotech.com/wiki2/Main_Page.
Current Opinion in Plant Biology,
Год журнала:
2023,
Номер
75, С. 102418 - 102418
Опубликована: Июль 15, 2023
The
relationship
of
transposable
elements
(TEs)
with
their
host
genomes
has
usually
been
seen
as
an
arms
race
between
TEs
and
genomes.
Consequently,
are
supposed
to
amplify
by
bursts
transposition,
when
the
TE
escapes
surveillance,
followed
long
periods
quiescence
efficient
control.
Recent
data
obtained
from
increasing
number
assembled
plant
resequencing
population
datasets
show
that
dynamics
is
more
complex
varies
among
families
This
variation
ranges
large
accommodate
populations
very
active
in
elimination,
inconspicuous
low
activity
high
transposition
elimination
rates.
each
family
results
a
history
interaction
genome
populated
many
other
families,
much
like
evolving
ecosystem.
Annual Review of Plant Biology,
Год журнала:
2020,
Номер
71(1), С. 547 - 573
Опубликована: Апрель 29, 2020
Rosaceae
(the
rose
family)
is
an
economically
important
family
that
includes
species
prized
for
high-value
fruits
and
ornamentals.
The
also
exhibits
diverse
fruit
types,
including
drupe
(peach),
pome
(apple),
drupetum
(raspberry),
achenetum
(strawberry).
Phylogenetic
analysis
ancestral
fruit-type
reconstruction
suggest
independent
evolutionary
paths
of
multiple
fleshy
types
from
dry
fruits.
A
recent
whole
genome
duplication
in
the
Maleae/Pyreae
tribe
(with
apple,
pear,
hawthorn,
close
relatives;
referred
to
as
Maleae
here)
may
have
contributed
evolution
fruit.
MADS-box
genes,
known
regulate
floral
organ
identity,
are
emerging
regulators
development.
differential
competence
organs
respond
fertilization
signals
explain
different
abilities
form
Future
comparative
genomics
functional
studies
closely
related
with
distinct
will
test
hypotheses
provide
insights
into
mechanisms
diversity.
These
efforts
be
facilitated
by
wealth
data
resources
Rosaceae.
Plums
are
one
of
the
most
economically
important
Rosaceae
fruit
crops
and
comprise
dozens
species
distributed
across
world.
Until
now,
only
limited
genomic
information
has
been
available
for
genetic
studies
breeding
programs
plums.
Prunus
salicina,
an
diploid
plum
species,
plays
a
predominant
role
in
modern
commercial
production.
Here
we
selected
P.
salicina
whole-genome
sequencing
present
chromosome-level
genome
assembly
through
combination
Pacific
Biosciences
sequencing,
Illumina
Hi-C
technology.The
had
total
size
284.2
Mb,
with
contig
N50
1.78
Mb
scaffold
32.32
Mb.
A
96.56%
assembled
sequences
were
anchored
onto
8
pseudochromosomes,
24,448
protein-coding
genes
identified.
Phylogenetic
analysis
showed
that
close
relationship
mume
armeniaca,
diverging
from
their
common
ancestor
∼9.05
million
years
ago.
During
evolution
146
gene
families
expanded,
some
cell
wall-related
GO
terms
significantly
enriched.
It
was
noteworthy
members
DUF579
family,
new
class
involved
xylan
biosynthesis,
expanded
which
provided
insight
into
metabolism
plums.We
constructed
first
high-quality
using
Biosciences,
Illumina,
technologies.
This
work
provides
valuable
resource
facilitating
studying
diversity
mechanisms
plums
species.
Current Biology,
Год журнала:
2021,
Номер
31(17), С. 3848 - 3860.e8
Опубликована: Июль 26, 2021
The
Great
Himalayan
Mountains
and
their
foothills
are
believed
to
be
the
place
of
origin
development
many
plant
species.
genetic
basis
adaptation
high
plateaus
is
a
fascinating
topic
that
poorly
understood
at
population
level.
We
comprehensively
collected
sequenced
377
accessions
Prunus
germplasm
along
altitude
gradients
ranging
from
2,067
4,492
m
in
Himalayas.
de
novo
assembled
three
high-quality
genomes
Tibetan
A
comparative
analysis
indicated
remarkable
expansion
SINE
retrotransposons
occurred
observed
differentiation
between
peaches
low
altitudes
genes
associated
with
light
stress
signaling,
especially
UV
were
enriched
differentiated
regions.
By
profiling
metabolomes
peach
fruit,
we
determined
379
metabolites
had
significant
correlations
particular
phenylpropanoids
positively
correlated
altitudes.
identified
62
peach-specific
SINEs
colocalized
differentially
accumualted
relative
cultivated
peach.
demonstrated
two
inserted
locus
controlling
accumulation
3-O-feruloyl
quinic
acid.
SINE1
was
specific
SINE2
predominant
These
genomic
metabolic
data
for
populations
native
region
indicate
helped
species
adapt
harsh
environment
plateau
by
promoting
beneficial
metabolites.
Abstract
Background
Peach
(
Prunus
persica)
is
an
economically
important
stone
fruit
crop
in
Rosaceae
and
widely
cultivated
temperate
subtropical
regions,
emerging
as
excellent
material
to
study
the
interaction
between
plant
environment.
During
its
genus,
there
are
four
wild
species
of
peach,
all
living
harsh
environments.
For
example,
one
species,
P.
mira
,
originates
from
Qinghai-Tibet
Plateau
(QTP)
exhibits
strong
cold/ultraviolet
ray
environmental
adaptations.
Although
remarkable
progresses
gene
discovery
quality-related
traits
peach
using
previous
assembled
genome
were
obtained,
genomic
basis
response
these
different
geographical
environments
remains
unclear.
Results
To
uncover
key
genes
regulating
adaptability
analyze
role
genetic
variations
resistance
formation,
we
performed
de
novo
assembling
relatives
persica
),
davidiana
kansuensis
ferganensis
resequenced
175
varieties.
The
phylogenetic
tree
showed
that
divergence
time
other
was
11.5
million
years
ago,
which
consistent
with
drastic
crustal
movement
QTP.
Abundant
identified
when
compared
results
plant-pathogen
pathways
enriched
containing
small
insertions
deletions
copy
number
peach.
Then,
data
used
identify
new
resistance.
presence/absence
result
a
hybridization
event
occurred
dulcis
enhanced
their
putative
hybrid,
.
Using
bulked
segregant
analysis,
located
nematode
locus
chromosome
2.
Within
mapping
region,
deletion
promoter
NBS-LRR
found
involve
by
expression.
Furthermore,
combined
RNA-seq
selective
sweeps
proposed
CBF
essential
for
high-altitude
adaptation
through
increasing
low
temperature.
Conclusions
In
general,
reference
genomes
facilitate
our
understanding
mechanism
perennial
crops,
provide
valuable
resources
future
breeding
improvement.