American Journal of Botany,
Год журнала:
2024,
Номер
111(9)
Опубликована: Сен. 1, 2024
A
key
goal
of
evolutionary
biologists
is
to
understand
how
and
why
genetic
variation
partitioned
within
species.
In
the
yellow
monkeyflower,
Mimulus
guttatus
(syn.
Erythranthe
guttata),
coastal
perennial
populations
constitute
a
single
genetically
morphologically
differentiated
ecotype
compared
inland
M.
populations.
While
ecotype's
distinctiveness
has
now
been
well
documented,
there
also
environmental
across
range
that
could
drive
more
continuous
differentiation
among
its
component
Annual Review of Plant Biology,
Год журнала:
2023,
Номер
74(1), С. 697 - 725
Опубликована: Янв. 6, 2023
Similar
traits
and
functions
commonly
evolve
in
nature.
Here,
we
explore
patterns
of
replicated
evolution
across
the
plant
kingdom
discuss
processes
responsible
for
such
patterns.
We
begin
this
review
by
defining
theoretical,
genetic,
ecological
concepts
that
help
explain
it.
then
focus
our
attention
on
empirical
cases
at
phenotypic
genotypic
levels.
find
replication
ecotype
level
is
common,
but
evidence
repeated
speciation
surprisingly
sparse.
On
other
hand,
strategies
physiological
mechanisms
similar
biomes
appears
to
be
pervasive.
conclude
highlighting
where
future
efforts
can
us
bridge
understanding
different
levels
biological
organization.
Earth's
landscape
diverse
also
repeats
itself.
Organisms
seem
have
followed
suit.
New Phytologist,
Год журнала:
2022,
Номер
236(4), С. 1375 - 1392
Опубликована: Сен. 7, 2022
Soybean
(Glycine
max)
was
domesticated
from
its
wild
relative
Glycine
soja.
One-hundred-seed
weight
is
one
of
the
most
important
traits
determining
soybean
yield;
however,
underlying
genetic
basis
remains
elusive.
We
characterized
a
seed
size
1
(sss1)
mutant
featuring
large
seeds
compared
to
wild-type
background.
Positional
cloning
revealed
that
candidate
gene
GmSSS1
encoded
SPINDLY
homolog
and
co-located
in
well-identified
quantitative
trait
locus
(QTL)-rich
region
on
chromosome
19.
Knocking
out
resulted
small
seeds,
while
overexpressing
GmSSS1/Gmsss1
induced
seeds.
Modulating
transgenic
plants
can
positively
influence
cell
expansion
division.
Relative
GmSSS1,
mutation
leading
an
E
Q
substitution
at
182nd
residue
Gmsss1
conferred
enhancing
effect
weight.
underwent
diversification
cultivated
soybean,
alleles
encoding
Gmsss1-type
-Q,
which
originated
along
central
downstream
parts
Yellow
River,
were
selected
expanded
during
domestication
improvement.
cloned
causative
for
sss1
mutant,
linked
with
QTL,
identified
elite
allele
this
increasing
weight,
provided
new
insights
into
breeding.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2023,
Номер
378(1877)
Опубликована: Апрель 2, 2023
Experimental
evolution
is
well-suited
to
test
the
predictability
of
without
confounding
effects
inaccurate
forecasts
about
future
environments.
Most
literature
parallel
(and
thus
predictable)
has
been
carried
out
in
asexual
microorganisms,
which
adapt
by
de
novo
mutations.
Nevertheless,
also
studied
sexual
species
at
genomic
level.
Here,
I
review
evidence
for
Drosophila
,
best-studied
obligatory
outcrossing
model
adaptation
from
standing
genetic
variation
laboratory.
Similar
varies
between
focal
hierarchical
levels.
Selected
phenotypes
consistently
respond
a
very
predicable
way,
but
underlying
allele
frequency
changes
are
much
less
predictable.
The
most
important
insight
that
selection
response
polygenic
traits
depends
highly
on
founder
population
and
lesser
extent
regime.
This
implies
predicting
adaptive
challenging
requires
good
understanding
architecture
(including
linkage
disequilibrium)
ancestral
populations.
article
part
theme
issue
‘Interdisciplinary
approaches
evolutionary
biology’.
Ecology and Evolution,
Год журнала:
2024,
Номер
14(7)
Опубликована: Июль 1, 2024
Abstract
Populations
may
adapt
to
similar
environments
via
parallel
or
non‐parallel
genetic
changes,
but
the
frequency
of
these
alternative
mechanisms
and
underlying
contributing
factors
are
still
poorly
understood
outside
model
systems.
We
used
QTL
mapping
investigate
basis
highly
divergent
craniofacial
traits
between
scale‐eater
(
Cyprinodon
desquamator
)
molluscivore
C.
brontotheroides
pupfish
adapting
two
different
hypersaline
lake
on
San
Salvador
Island,
Bahamas.
lab‐reared
F2
x
intercrosses
from
populations,
estimated
linkage
maps,
scanned
for
significant
29
skeletal
traits,
female
mate
preference,
sex.
compared
location
lakes
quantify
changes.
detected
six
in
at
least
one
lake.
However,
nearly
all
shared
loci
were
associated
with
a
trait
within
each
Therefore,
our
estimate
evolution
architecture
could
range
out
identical
(low
parallelism)
five
integrated
(high
parallelism).
suggest
that
pleiotropy
integration
can
affect
estimates
evolution,
particularly
rapid
radiations.
also
observed
increased
adaptive
introgression
regions,
suggesting
gene
flow
contributed
evolution.
Overall,
results
same
genomic
regions
contribute
adaptation
across
suites
rather
than
specific
highlight
need
more
expansive
definition
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Июнь 23, 2022
Hybridisation
is
well
documented
in
many
species,
especially
plants.
Although
hybrid
populations
might
be
short-lived
and
do
not
evolve
into
new
lineages,
hybridisaiton
could
lead
to
evolutionary
novelty,
promoting
adaptation
speciation.
The
genus
Senecio
(Asteraceae)
has
been
actively
used
unravel
the
role
of
hybridisation
In
this
article,
we
first
briefly
describe
process
state
research
over
years.
We
then
discuss
various
roles
plant
speciation
illustrated
with
examples
from
different
but
also
mention
other
groups
organisms
whenever
necessary.
particular,
focus
on
genomic
transcriptomic
consequences
hybridisation,
as
ecological
physiological
aspects
hybrids'
point
view.
Overall,
article
aims
showcase
adaptation,
potential
Senecio,
which
part
ecologically
economically
important
family,
Asteraceae.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
ABSTRACT
The
scale
and
resolution
of
trait
databases
molecular
phylogenies
is
increasing
rapidly.
These
resources
permit
many
open
questions
in
comparative
biology
to
be
addressed
with
the
right
statistical
tools.
Multi‐response
(MR)
phylogenetic
mixed
models
(PMMs)
offer
great
potential
for
multivariate
analyses
evolution.
While
flexible
powerful,
these
methods
are
not
often
employed
by
researchers
ecology
evolution,
reflecting
a
specialised
technical
literature
that
creates
barriers
usage
biologists.
Here
we
present
practical
accessible
guide
MR‐PMMs.
We
begin
review
single‐response
(SR)
PMMs
introduce
key
concepts
outline
limitations
this
approach
characterising
patterns
coevolution.
emphasise
MR‐PMMs
as
preferable
involving
multiple
species
traits,
due
explicit
decomposition
covariances.
discuss
multilevel
models,
extensions
non‐Gaussian
response
traits.
highlight
techniques
causal
inference
using
graphical
well
advanced
topics
including
prior
specification
latent
factor
models.
Using
simulated
data
visual
examples,
interpretation,
prediction,
model
validation.
implement
discussed
example
plant
functional
traits
demonstrate
general
utility
handling
complex
real‐world
sets.
Finally,
emerging
synthesis
made
possible
MR‐PMMs,
strengths
weaknesses,
recommendations
analysts.
To
complement
material,
provide
online
tutorials
side‐by‐side
implementations
two
popular
R
packages,
MCMCglmm
brms
.
Molecular Ecology,
Год журнала:
2022,
Номер
32(8), С. 1832 - 1847
Опубликована: Фев. 13, 2022
Abstract
Understanding
how
organisms
adapt
to
the
environment
is
a
major
goal
of
modern
biology.
Parallel
evolution—the
independent
evolution
similar
phenotypes
in
different
populations—provides
powerful
framework
investigate
evolutionary
potential
populations,
constraints
evolution,
its
repeatability
and
therefore
predictability.
Here,
we
quantified
degree
gene
expression
functional
parallelism
across
replicated
ecotype
formation
Heliosperma
pusillum
(Caryophyllaceae),
gained
insights
into
architecture
adaptive
traits.
Population
structure
analyses
demographic
modelling
support
previously
formulated
hypothesis
parallel
polytopic
divergence
montane
alpine
ecotypes.
We
detect
large
proportion
differentially
expressed
genes
(DEGs)
underlying
within
each
replicate
pair,
with
strikingly
low
number
shared
DEGs
pairs.
Functional
enrichment
reveals
that
traits
affected
by
significant
are
largely
consistent
pairs,
strong
contrast
nonshared
genetic
basis.
The
remarkable
redundancy
differential
indicates
polygenic
for
diverged
conclude
appear
key
opening
multiple
routes
adaptation,
widening
organisms.
BMC Ecology and Evolution,
Год журнала:
2024,
Номер
24(1)
Опубликована: Янв. 9, 2024
Abstract
Background
Insect
pollinators
shape
rapid
phenotypic
evolution
of
traits
related
to
floral
attractiveness
and
plant
reproductive
success.
However,
the
underlying
genomic
changes
remain
largely
unknown
despite
their
importance
in
predicting
adaptive
responses
natural
or
artificial
selection.
Based
on
a
nine-generation
experimental
study
with
fast
cycling
Brassica
rapa
plants
adapting
bumblebees,
we
investigate
associated
previously
observed
parallel
evolution.
In
this
current
evolve
resequencing
(E&R)
study,
conduct
scan
allele
frequency
along
genome
bumblebee-pollinated
hand-pollinated
perform
principal
component
analysis
(PCA).
Results
We
highlight
mediated
by
bumblebees.
Controlling
for
genetic
drift,
observe
significant
allelic
frequencies
at
multiple
loci.
pattern
differs
according
replicate
plants,
suggesting
putative
non-parallel
Finally,
our
underlines
an
increase
variance
implying
involvement
loci
short-term
pollinator
adaptation.
Conclusions
Overall,
enhances
understanding
complex
interactions
between
providing
stepping
stone
towards
unravelling
basis
adaptation
biotic
factors
environment.