bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 1, 2023
Abstract
The
detection
and
characterization
of
sex
chromosome
sequences
is
particularly
important
for
major
pest
families,
like
the
Tephritidae,
whereas
alternative
management
approaches,
mainly
involving
male-only
release
programs,
rely
on
ability
to
target
manipulate
sex-specific
genomic
regions,
those
Y
chromosome.
However,
resolving
detecting
X
at
level
requires
careful
consideration
algorithmic
outputs,
especially
in
species
where
extensive
markers
are
not
available.
Here,
we
present
R-CQ
KAMY,
two
computational
methods
developed
chromosome-linked
sequences.
We
evaluate
their
performance
newly
generated
chromosome-level
assemblies
four
Tephritid
species:
Ceratitis
capitata,
Bactrocera
dorsalis,
zonata
Anastrepha
ludens
.
By
combining
predictions
with
a
manual
curation
process,
assess
strengths
limitations
each
method
provide
robust
dataset
curated
X-
Y-linked
Overall,
our
results
establish
framework
studying
poorly
characterized
lineages
identifying
supporting
broader
development
chromosome-based
managements
systems.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
ABSTRACT
Recovery
of
virus
sequences
from
old
samples
provides
an
opportunity
to
study
evolution
and
reconstruct
historic
virus-host
interactions.
Studies
have
mainly
relied
on
DNA
or
RNA
fixed
frozen
samples.
The
millions
specimens
in
natural
history
museums
represent
a
potential
treasure
trove
sequences,
but
it
is
not
clear
how
well
survives
We
experimentally
assessed
the
stability
insects
stored
dry
at
room
temperature
over
72
weeks.
Although
molecules
grew
fragmented,
yields
remained
surprisingly
constant.
RT-qPCR
host
showed
minimal
differences
between
dried
specimens.
To
assess
survival
much
older
we
acquired
Drosophila
North
American
entomological
collections.
recovered
known
novel
viruses
including
several
coding
complete
genomes
fly
collected
1908.
found
that
virome
D.
melanogaster
has
changed
little
past
century.
Galbut
virus,
most
prevalent
infection
contemporary
,
was
also
common
Finally,
investigated
genomic
physical
features
surviving
RNA.
survived
chemically
damaged,
preferentially
double
stranded
contained
ribonucleoprotein
complexes.
This
-
especially
certain
types
–
can
survive
biological
extended
periods
absence
fixation
freezing
confirms
utility
provide
clearer
understanding
evolution.
Wellcome Open Research,
Год журнала:
2024,
Номер
9, С. 56 - 56
Опубликована: Фев. 19, 2024
We
present
a
genome
assembly
from
an
individual
female
Drosophila
histrio
(the
drosophilid
fruit
fly;
Arthropoda;
Insecta;
Diptera;
Drosophilidae).
The
sequence
is
189.2
megabases
in
span.
Most
of
the
scaffolded
into
5
chromosomal
pseudomolecules,
including
X
sex
chromosome.
mitochondrial
has
also
been
assembled
and
16.02
kilobases
length.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 28, 2024
ABSTRACT
Behavioral
mating
choices
and
success
are
important
factors
in
the
development
of
reproductive
isolation
during
speciation.
Environmental
conditions,
especially
temperature,
can
affect
these
key
traits.
conditions
vary
across,
frequently
delimit
species’
geographic
ranges.
Pairing
suboptimal
with
relative
rarity
conspecifics
at
range
margins
may
set
stage
for
hybridization.
Despite
importance
behaviors
as
a
barrier,
general
understanding
interaction
between
behavioral
environment
is
lacking,
part
because
systematic
studies
rare.
With
this
report,
we
begin
to
bridge
that
gap
by
providing
evidence
temperature
has
significant
-
but
not
consistent
influence
on
success,
thus
Drosophila
.
We
studied
propensity
four
different
temperatures
among
14
species
non-choice
conspecific
trials
heterospecific
two
triads
known
regularly
hybridize
wild.
show
frequency
varies
significantly
across
10°C
(from
18ºC
28ºC),
both
1:1
high-density
en-masse
trials,
effect
highly
species-specific.
also
consistently
low
moderate
some
crosses.
As
decreases
outside
optimal
thermal
range,
while
matings
remain
constant,
proportion
relatively
high.
This
result
indicates
modulate
impose
barriers
rate
More
broadly,
our
results
demonstrate
truly
understand
how
choice
occur
nature,
they
need
be
an
environmental
context.
PLoS Biology,
Год журнала:
2024,
Номер
22(12), С. e3002985 - e3002985
Опубликована: Дек. 18, 2024
As
we
reach
the
end
of
2024,
celebrate
an
amazing
year
science
for
PLOS
Biology
and
life
sciences
more
broadly,
thank
everyone
who
continues
to
support
journal.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Abstract
Host-associated
microbial
communities
can
mediate
interactions
between
their
hosts
and
biotic
abiotic
environments.
While
much
work
has
been
done
to
document
how
microbiomes
vary
across
species
environments,
less
is
known
about
the
functional
consequences
of
this
variation.
Here,
we
test
for
variation
among
drosophilid-associated
bacteria
by
conducting
Oxford
Nanopore
long-read
sequencing
generating
metagenome-assembled
genomes
(MAGs)
from
six
drosophilid
fly
collected
in
association
with
‘anthropogenic’
environments
North
America,
Europe,
Africa.
Using
phylogenetic
analyses,
find
that
flies
harbor
a
diverse
microbiome
includes
core
members
closely
related
genera
Gilliamella
,
Orbus
Entomomonas
Dysgonomonas
others.
Comparisons
publicly
available
bacterial
show
many
these
are
associated
phylogenetically
insect
gut
microbiomes.
annotations
predicted
secondary
metabolite
biosynthetic
gene
clusters,
MAGs
belonging
different
orders
content
functions
including
metabolic
capacity
they
respond
environmental
stressors.
Our
results
provide
evidence
wild
functionally
communities.
These
findings
highlight
need
quantify
abundance
function
insect-associated
others
on
performance
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 1, 2023
Abstract
The
detection
and
characterization
of
sex
chromosome
sequences
is
particularly
important
for
major
pest
families,
like
the
Tephritidae,
whereas
alternative
management
approaches,
mainly
involving
male-only
release
programs,
rely
on
ability
to
target
manipulate
sex-specific
genomic
regions,
those
Y
chromosome.
However,
resolving
detecting
X
at
level
requires
careful
consideration
algorithmic
outputs,
especially
in
species
where
extensive
markers
are
not
available.
Here,
we
present
R-CQ
KAMY,
two
computational
methods
developed
chromosome-linked
sequences.
We
evaluate
their
performance
newly
generated
chromosome-level
assemblies
four
Tephritid
species:
Ceratitis
capitata,
Bactrocera
dorsalis,
zonata
Anastrepha
ludens
.
By
combining
predictions
with
a
manual
curation
process,
assess
strengths
limitations
each
method
provide
robust
dataset
curated
X-
Y-linked
Overall,
our
results
establish
framework
studying
poorly
characterized
lineages
identifying
supporting
broader
development
chromosome-based
managements
systems.