Rapid adaptation in a fast‐changing world: Emerging insights from insect genomics
Global Change Biology,
Год журнала:
2022,
Номер
29(4), С. 943 - 954
Опубликована: Ноя. 5, 2022
Many
researchers
have
questioned
the
ability
of
biota
to
adapt
rapid
anthropogenic
environmental
shifts.
Here,
we
synthesize
emerging
genomic
evidence
for
insect
evolution
in
response
human
pressure.
These
new
data
reveal
diverse
mechanisms
(single
locus,
polygenic,
structural
shifts;
introgression)
underpinning
adaptive
responses
a
variety
selective
pressures.
While
effects
some
impacts
(e.g.
pollution;
pesticides)
been
previously
documented,
here
highlight
startling
evolutionary
additional
processes
such
as
deforestation.
recent
findings
indicate
that
assemblages
can
indeed
respond
dynamically
major
challenges.
Our
synthesis
also
emphasizes
critical
roles
architecture,
standing
variation
and
gene
flow
maintaining
future
potential.
Broadly,
it
is
clear
approaches
are
essential
predicting,
monitoring
responding
ongoing
biodiversity
shifts
fast-changing
world.
Язык: Английский
Temperature seasonality drives taxonomic and functional homogenization of tropical butterflies
Diversity and Distributions,
Год журнала:
2024,
Номер
30(7)
Опубликована: Янв. 26, 2024
Abstract
Aim
To
better
understand
the
potential
impact
of
climate
change
on
butterfly
assemblages
across
a
tropical
island,
we
model
for
taxonomic
and
functional
homogenization
determine
climate‐
trait‐mediated
shifts
in
projected
species
distributions.
Location
Puerto
Rico.
Methods
We
used
thousands
museum
records
diurnal
Lepidoptera
to
current
(1970–2000)
forecast
future
(2061–2080)
distributions
combined
these
test
homogenization.
then
quantified
climatic‐mediated
effects
forecasted
composition
and,
specifically,
whether
temperature
was
primary
driver,
as
predicted
by
temperature–size
rule
thermal
melanism
hypotheses.
Finally,
measured
wing
traits
important
thermoregulation
(size
colour)
determined
changes
over
time.
Results
Based
ensemble
outputs,
richness
turnover
were
vary
island's
complex
topography.
Our
models
an
increase
time,
decrease
–
signature
biotic
Under
scenarios,
length
brightness
at
higher
elevations.
One
variable,
seasonality,
strongest
driver
both
spatial
distribution
per
cent
time
not
only
but
also
turnover.
Main
conclusions
The
generated
here
identify
several
priority
regions
research
conservation
efforts.
work
highlights
role
seasonality
climatic
variability
diverse
assemblages,
suggesting
that
may
be
important,
albeit
overlooked,
responses.
Язык: Английский
Genomics of insect adaptation to global change
Elsevier eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Human-driven evolution of color in a stonefly mimic
Science,
Год журнала:
2024,
Номер
386(6720), С. 453 - 458
Опубликована: Окт. 24, 2024
Rapid
adaptation
is
thought
to
be
critical
for
the
survival
of
species
under
global
change,
but
our
understanding
human-induced
evolution
in
wild
remains
limited.
We
show
that
widespread
deforestation
has
underpinned
repeated
color
shifts
insect
populations.
Specifically,
loss
forest
led
changes
across
lineages
mimic
warning
coloration
a
toxic
stonefly.
Predation
experiments
suggest
relative
fitness
phenotypes
varies
between
forested
and
deforested
habitats.
Genomic
analyses
1200
specimens
selection
at
Язык: Английский
ebony underpins Batesian mimicry in melanic stoneflies
Molecular Ecology,
Год журнала:
2023,
Номер
32(18), С. 4986 - 4998
Опубликована: Июль 28, 2023
The
evolution
of
Batesian
mimicry
-
whereby
harmless
species
avoid
predation
through
their
resemblance
to
harmful
has
long
intrigued
biologists.
In
rare
cases,
is
linked
intraspecific
colour
variation,
in
which
only
some
individuals
within
a
population
resemble
noxious
'model'.
Here,
we
assess
variation
widespread
New
Zealand
stonefly,
wherein
highly
melanized
Zelandoperla
closely
chemically
defended
aposematic
Austroperla
cyrene.
We
convergence
the
pattern
these
two
species,
compare
relative
palatability
predators,
and
use
genome-wide
association
mapping
genetic
basis
this
resemblance.
Our
analysis
reveals
that
overlap
significantly
with
space
but
are
more
palatable
implying
they
indeed
mimics.
Analysis
194,773
SNPs
an
outlier
locus
(ebony)
strongly
differentiating
melanic
versus
non-melanic
Zelandoperla.
Genotyping
338
specimens
from
single
indicates
ebony
explains
nearly
70%
observed
variance
melanism.
As
well-documented
role
insect
melanin
biosynthesis,
our
findings
indicate
conserved
function
across
deeply
divergent
hexapod
lineages.
Distributional
records
suggest
link
between
occurrence
forested
ecosystems
where
model
abundant,
suggesting
potential
for
adaptive
shifts
system
underpinned
by
environmental
change.
Язык: Английский