Forecasting habitat suitability and niche shifts of two global maize pests: Ostrinia furnacalis and Ostrinia nubilalis (Lepidoptera: Crambidae)
Pest Management Science,
Год журнала:
2024,
Номер
80(10), С. 5286 - 5298
Опубликована: Июнь 25, 2024
Abstract
BACKGROUND
Ostrinia
furnacalis
(ACB)
and
nubilalis
(ECB)
are
devastating
pests
of
the
agricultural
crop
maize
worldwide.
However,
little
is
known
about
their
potential
distribution
niche
shifts
during
global
invasion.
Since
long‐term
selection
to
past
climate
variability
has
shaped
historical
breadth,
such
may
provide
an
alternative
basis
for
understanding
responses
present
future
change.
By
integrating
unfilling,
stability,
expansion
situations
into
a
single
framework,
our
study
quantifies
patterns
shift
in
spatial
these
two
different
periods.
RESULTS
Our
results
show
that
overall
suitable
habitats
ACB
ECB
decrease
but
highly
extremely
habitat
will
become
more
widespread,
suggesting
insects
occur
frequently
specific
regions.
Compared
with
Southeast
Asia
Australia,
China
exhibited
rather
than
unfilling.
For
ECB,
initial
niches
have
tendency
be
retained
Eurasia
despite
there
also
being
North
America.
The
equivalency
similarity
test
further
indicate
were
common
both
survival
regions
colonization
new
changes
paleoclimate
associated
climatic
changes.
CONCLUSIONS
These
findings
improve
ecological
characteristics
worldwide,
useful
development
prevention
control
strategies
insect
©
2024
Society
Chemical
Industry.
Язык: Английский
Functional polymorphism of CYCLE underlies the diapause variation in moths
Science,
Год журнала:
2025,
Номер
388(6750)
Опубликована: Май 29, 2025
Diapause
is
a
common
seasonal
adaptive
strategy
that
regulates
annual
timing
in
insects.
Very
few
causal
loci
underlying
diapause
variation
have
yet
been
identified.
By
leveraging
cross-mapping
and
genome-wide
association
analysis,
we
identified
the
N
terminus
of
clock
protein
CYCLE
as
major
effector
embryonic
differences
silk
moth.
We
found
nondiapause
phenotype
polyvoltine
strains
results
from
specific
deletion
disrupts
an
alternative
isoform
CYCLE.
further
demonstrated
different
isoforms
contribute
to
functional
diversity
modulating
circadian
rhythms
diapause,
which
has
preserved
Lepidoptera
for
at
least
110
million
years.
Our
study
proposes
model
explains
how
phenotypes
can
evolve
rapidly
without
affecting
related
essential
functions.
Язык: Английский
Theperiodgene alters daily and seasonal timing inOstrinia nubilalis
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Summary
The
timing
of
insects’
daily
(feeding,
movement)
and
seasonal
(diapause,
migration)
rhythms
affects
their
population
dynamics
distribution.
Yet,
despite
implications
for
insect
conservation
pest
management,
the
genetic
mechanisms
underlying
variation
in
are
poorly
understood.
Prior
research
European
corn
borer
moth
(
Ostrinia
nubilalis
)
associated
ecotype
differences
diapause
activity
with
at
circadian
clock
gene
period
per
).
Here,
we
demonstrate
that
populations
divergent
allele
frequencies
exhibit
behavior,
development,
expression
genes.
Specifically,
later
shortened
were
a
reduction
delay
abundance
cycling
mRNA.
CRISPR/Cas9-mediated
mutagenesis
revealed
and/or
an
intact
network
essential
appropriate
behavior
responsiveness.
Furthermore,
dosage
heterozygous
mutants
-/+
pleiotropically
decreased
incidence,
post-diapause
delayed
manner
phenotypically
reminiscent
wild-type
individuals.
Altogether,
this
combination
observational
experimental
strongly
suggests
is
master
regulator
biological
may
contribute
to
observed
life
cycle
between
bivoltine
(two
generation)
univoltine
(one
O.
.
Highlights
Natural
ecotypes
genotypes
differ
responses
photoperiod
Later
activity,
reduced
shorter
development
mRNA
short-day
recognition
Reduced
locomotor
Язык: Английский