On the origin of the P-element invasion in Drosophila simulans
Mobile DNA,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 26, 2025
Language: Английский
The Transposition Rate Has Little Influence on the Plateauing Level of the P-element
Molecular Biology and Evolution,
Journal Year:
2022,
Volume and Issue:
39(7)
Published: June 22, 2022
The
popular
trap
model
assumes
that
the
invasions
of
transposable
elements
(TEs)
in
mammals
and
invertebrates
are
stopped
by
piRNAs
emerge
after
insertion
TE
into
a
piRNA
cluster.
It
remains,
however,
still
unclear
which
factors
influence
dynamics
invasions.
activity
(i.e.,
transposition
rate)
is
one
frequently
discussed
key
factor.
Here
we
take
advantage
temperature-dependent
P-element,
widely
studied
eukaryotic
TE,
to
test
how
affects
invasion.
We
monitored
P-element
invasion
experimental
Drosophila
simulans
populations
at
hot
cold
culture
conditions.
Despite
marked
differences
rates,
reached
very
similar
copy
numbers
both
temperatures.
reduction
rate
upon
approaching
number
plateau
was
accompanied
amounts
against
Nevertheless,
also
observed
fewer
insertions
clusters
than
expected,
not
compatible
with
simple
model.
ping-pong
cycle,
degrades
transcripts,
becomes
typically
active
plateaued.
generated
model,
few
parameters,
largely
captures
dynamics.
conclude
has
most
only
minor
on
abundance,
but
other
factors,
such
as
paramutations
or
selection
shaping
composition.
Language: Английский
Associated technologies for genome editing
Elsevier eBooks,
Journal Year:
2024,
Volume and Issue:
unknown, P. 95 - 205
Published: Jan. 1, 2024
Language: Английский
The Landscape of the DNA Transposons in the Genome of the Horezu_LaPeri Strain of Drosophila melanogaster
Insects,
Journal Year:
2023,
Volume and Issue:
14(6), P. 494 - 494
Published: May 25, 2023
Natural
transposons
(NTs)
represent
mobile
DNA
sequences
found
in
both
prokaryotic
and
eukaryotic
genomes.
Drosophila
melanogaster
(the
fruit
fly)
is
a
model
organism
with
NTs
standing
for
about
20%
of
its
genome
has
contributed
significantly
to
the
understanding
various
aspects
transposon
biology.
Our
study
describes
an
accurate
approach
designed
map
class
II
(DNA
transposons)
Horezu_LaPeri
fly
strain,
consecutive
Oxford
Nanopore
Technology
sequencing.
A
whole
bioinformatics
analysis
was
conducted
using
Genome
ARTIST_v2,
LoRTE
RepeatMasker
tools
identify
insertions.
Then,
gene
ontology
enrichment
performed
order
evaluate
potential
adaptive
role
some
Herein,
we
describe
insertions
specific
predictive
functional
insertional
alleles.
The
PCR
validation
P-element
this
along
putative
consensus
sequence
KP
element,
also
reported.
Overall,
strain
contains
several
associated
genes
known
be
involved
processes.
For
these
genes,
alleles
obtained
via
mobilization
artificial
were
previously
This
very
alluring
aspect,
as
it
suggests
that
mutagenesis
experiments
conducting
predictions
laboratory
strains
may
confirmed
by
mirroring
which
are
expected
at
least
natural
strains.
Language: Английский