Molecular Ecology,
Journal Year:
2024,
Volume and Issue:
34(2)
Published: Dec. 3, 2024
Many
cellular
processes
and
organismal
behaviours
are
time-dependent,
asynchrony
of
these
phenomena
can
facilitate
speciation
through
reinforcement
mechanisms.
The
Mojave
Sonoran
desert
tortoises
(Gopherus
agassizii
G.
morafkai
respectively)
reside
in
adjoining
deserts
with
distinct
seasonal
rainfall
patterns
they
exhibit
asynchronous
winter
brumation
reproductive
behaviours.
We
used
whole
genome
sequencing
21
individuals
from
the
two
tortoise
species
an
outgroup
to
understand
genes
potentially
underlying
characteristics.
Genes
within
most
diverged
1%
(F
Scientific Data,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: July 11, 2023
Abstract
In
Japan,
wasabi
(
Eutrema
japonicum
)
is
an
important
traditional
condiment,
and
recognized
as
endemic
species.
the
present
study,
we
generated
a
chromosome-level
haplotype-resolved
reference
genome
for
E.
using
PacBio
CLR
(continuous
long
reads),
Illumina,
Hi-C
sequencing
data.
The
consists
of
28
chromosomes
that
contain
1,512.1
Mb
sequence
data,
with
scaffold
N50
length
55.67
Mb.
We
also
reported
subgenome
haplotype
assignment
by
read-mapping
phylogenic
analysis.
Three
validation
methods
(Benchmarking
Universal
Single-Copy
Orthologs,
Merqury,
Inspector)
indicated
our
obtained
sequences
were
high-quality
high-completeness
assembly.
Comparison
assemblies
from
previously
published
genomes
showed
was
higher
quality.
Therefore,
will
serve
valuable
genetic
resource
both
chemical
ecology
evolution
research
genera
Brassicaceae,
well
breeding.
Environmental and Experimental Botany,
Journal Year:
2020,
Volume and Issue:
183, P. 104350 - 104350
Published: Dec. 16, 2020
The
Qinghai-Tibet
Plateau
(QTP)
is
the
highest
and
largest
young
plateau
in
world,
with
a
wide
variety
of
extreme
environments.
Due
to
low
density
air
high
transparency
atmosphere,
QTP
has
abundant
sunshine
light
intensity.
It
important
for
plants
evolve
mechanism
photoprotection
adapt
high-light
conditions.
Arabidopsis
thaliana
an
model
organism
plant
science
molecular
biology.
Tibet-0
was
first
ecotype
collected
QTP,
at
>4000
m
above
sea
level.
Here,
we
systematically
analyzed
photosynthetic
responses
light.
Our
results
show
that
more
efficient
PSII
activity
under
continuous
conditions
(1000
μmol
photons
m−2
s−1)
compared
Columbia
(Col-0).
Chlorophyll
fluorescence
analysis
showed
exhibited
enhanced
quantum
yield
(ФPSII),
photochemical
quenching
(qP),
electron
transport
rate
(ETR)
However,
anthocyanin
accumulation
lower
Tibet-0.
Blue
Native-PAGE
immunoblot
analyses
abundances
complexes
subunits
were
significantly
higher
vs.
Col-0
standard
Notably,
associations
core
subunit
mRNAs
psbA,
psbB,
psbC
psbD
chloroplast
ribosomal
protein
Tibet-0,
based
on
ribosome-nascent
chain
complex
(RNC)-quantitative
PCR.
Moreover,
expression
amounts
protein-related
genes
activated
after
treatment.
These
suggest
capability
arises
via
constitutively
translation
efficiency
proteins
due
expression.
This
study
thus
provides
insight
into
underlying
adaptation
altitudes.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(8)
Published: Aug. 1, 2024
Abstract
Oceanic
archipelagos
provide
striking
examples
of
lineages
that
have
radiated
over
pronounced
ecological
gradients.
Accompanying
this
diversification,
evolved
adaptations
allowing
survival
in
extreme
environments.
Here,
we
investigate
the
genomic
basis
adaptation
Canary
Island
Descurainia
(Brassicaceae),
an
island
relative
Arabidopsis
.
The
seven
endemic
species
diversified
situ
along
elevational
and
gradient,
from
low‐elevation
scrub
to
high‐elevation
sub‐alpine
desert.
We
first
generated
a
reference
genome
for
millefolia,
phylogenetic
analysis
which
placed
it
as
sister
D.
sophioides
Ninety‐six
gene
families
were
found
be
specific
millefolia
further
1087
1469
expanded
or
contracted
size,
respectively,
branch.
then
employed
re‐sequencing
sample
14
genomes
across
outgroup.
Phylogenomic
analyses
consistent
with
previous
reconstructions
resolving
low‐
clades.
Using
branch‐site
dN/dS
method,
detected
positive
selection
275
genes
on
branch
separating
these
positively
selected
(PSGs)
significantly
enriched
functions
related
reproduction
stress
tolerance.
Comparing
PSGs
those
elevation
and/or
latitude
other
Brassicaceae,
little
evidence
widespread
convergence
reuse,
except
two
examples,
one
was
significant
overlap
between
Draba
nivalis,
restricted
high
latitudes.
study
suggests
transition
environments
such
mountains
Islands
involves
tolerance
but
repeated
evolution
different
into
similar
habitats
is
limited,
indicating
substantially
molecular
trajectories
adaptation.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(23), P. 12666 - 12666
Published: Nov. 26, 2024
High-altitude
plants
face
extreme
environments
such
as
low
temperature,
oxygen,
nutrient
levels,
and
strong
ultraviolet
radiation,
causing
them
to
adopt
complex
adaptation
mechanisms.
Phenotypic
variation
is
the
core
manifestation
of
ecological
evolution.
Many
have
developed
a
series
adaptive
strategies
through
long-term
natural
selection
evolution,
enabling
survive
reproduce
under
harsh
conditions.
This
article
reviews
techniques
methods
used
in
recent
years
study
evolution
high-altitude
plants,
including
transplantation
techniques,
genomics,
transcriptomics,
proteomics,
metabolomics
their
applications
plant
Transplantation
technology
focuses
on
phenotypic
variation,
which
refers
variations
morphological,
physiological,
biochemical
characteristics,
exploring
key
roles
utilization,
photosynthesis
optimization,
stress-resistance
protection.
Multiple
omics
technologies,
metabolomics,
revealed
genes,
regulatory
pathways,
metabolic
networks
associated
with
at
genetic
molecular
levels.
At
same
time,
limitations
deficiencies
current
technologies
were
discussed.
In
addition,
we
propose
future
improvements
existing
advocate
for
integration
different
multiple
levels
mechanisms
environments,
thus
providing
insights
research
this
field.
Molecular Ecology,
Journal Year:
2024,
Volume and Issue:
34(2)
Published: Dec. 3, 2024
Many
cellular
processes
and
organismal
behaviours
are
time-dependent,
asynchrony
of
these
phenomena
can
facilitate
speciation
through
reinforcement
mechanisms.
The
Mojave
Sonoran
desert
tortoises
(Gopherus
agassizii
G.
morafkai
respectively)
reside
in
adjoining
deserts
with
distinct
seasonal
rainfall
patterns
they
exhibit
asynchronous
winter
brumation
reproductive
behaviours.
We
used
whole
genome
sequencing
21
individuals
from
the
two
tortoise
species
an
outgroup
to
understand
genes
potentially
underlying
characteristics.
Genes
within
most
diverged
1%
(F
