Molecular Ecology Resources,
Journal Year:
2022,
Volume and Issue:
23(1), P. 233 - 252
Published: Aug. 4, 2022
Lineage
specific
expansions
and
gene
duplications
are
some
of
the
most
important
sources
evolutionary
novelty
in
eukaryotes.
Although
not
as
prevalent
eukaryotes
compared
to
bacteria,
horizontal
transfer
events
can
also
result
key
adaptations
for
insects,
especially
those
involved
insect-microbe
interactions.
In
this
study
we
assemble
first
chromosomal
assembly
psyllid
Bactericera
cockerelli
reveal
that
B.
genome
has
experienced
significantly
more
expansion
other
Hemipteran
representatives
with
fully
sequenced
genomes.
We
cockerelli's
is
largest
(567
Mb)
date
~15%
larger
than
two
species
genomes
(Pachypsylla
venusta
Diaphorina
citri).
Structurally,
appears
have
an
additional
chromosome
distantly
related
P.
due
a
previous
fission
or
fusion
event.
The
increase
size
dynamic
nature
may
largely
be
contributed
widespread
type
I
II
repeat
elements
rampant
across
all
cockerelli's.
chromosomes.
These
distributed
near
equally
both
euchromatic
heterochromatic
regions.
Furthermore,
significant
family
were
uncovered
genes
expected
its
adaptation
insect-plant
microbe
interactions,
which
include
transcription
factors,
proteases,
odorant
receptors,
horizontally
transferred
nutritional
symbioses
their
long-term
endosymbiont
Carsonella.
Science,
Journal Year:
2020,
Volume and Issue:
370(6517), P. 721 - 725
Published: Nov. 6, 2020
Developmental
plasticity
allows
genomes
to
encode
multiple
distinct
phenotypes
that
can
be
differentially
manifested
in
response
environmental
cues.
Alternative
plastic
selected
through
a
process
called
genetic
assimilation,
although
the
mechanisms
are
still
poorly
understood.
We
assimilated
seasonal
wing
color
phenotype
naturally
population
of
butterflies
(Junonia
coenia)
and
characterized
three
responsible
genes.
Endocrine
assays
chromatin
accessibility
conformation
analyses
showed
transition
coloration
from
an
environmentally
determined
trait
predominantly
occurred
selection
for
regulatory
alleles
downstream
wing-patterning
This
mode
evolution
is
likely
favored
by
because
it
tissue-
trait-specific
tuning
reaction
norms
without
affecting
core
cue
detection
or
transduction
mechanisms.
Biomolecules,
Journal Year:
2019,
Volume and Issue:
9(9), P. 408 - 408
Published: Aug. 23, 2019
A
comparative
study
of
melanin
and
ommochrome-containing
samples,
isolated
from
the
black
soldier
fly
(BSF)
by
enzymatic
hydrolysis,
alkaline
acid
alcohol
extraction
or
was
carried
out.
Melanin
both
as
a
melanin-chitin
complex
water-soluble
melanin.
Acid
hydrolysis
followed
delipidization
yielded
more
concentrated
sample,
electron
spin
resonance
(ESR)
signal
which
2.6
×
1018
spin/g.
The
ommochromes
were
extracted
BSF
eyes
with
methanol.
antiradical
activity
melanins
determined
method
quenching
luminol
chemiluminescence.
It
has
been
shown
that
increases
its
antioxidant
properties.
comparison
in
relation
to
photoinduced
lipid
peroxidation
ESR
characteristics
native
oxidized
studied.
is
assumed
H.
illucens
adult
flies
can
be
useful
source
natural
pigments
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: March 22, 2022
Abstract
The
western
tarnished
plant
bug,
Lygus
hesperus
,
is
a
key
hemipteran
pest
of
numerous
agricultural,
horticultural,
and
industrial
crops
in
the
United
States
Mexico.
A
lack
genetic
tools
L.
hinders
progress
functional
genomics
developing
innovative
control
methods
such
as
gene
drive.
Here,
using
RNA
interference
(RNAi)
against
cardinal
(
LhCd
),
cinnabar
LhCn
white
LhW
we
showed
that
knockdown
was
lethal
to
embryos,
while
or
produced
bright
red
eye
phenotypes,
contrast
wild-type
brown
eyes.
We
further
used
CRISPR/Cas9
(clustered
regularly
interspaced
palindromic
repeats/CRISPR-associated)
genome
editing
generate
germline
knockouts
both
(Card)
(Cinn),
producing
separate
strains
characterized
by
mutant
phenotypes.
Although
knockout
strain
Card
exhibited
gradual
darkening
eyes
typical
line
later
nymphal
development,
observed
throughout
all
life
stages
Cinn,
making
it
viable
marker
for
tracking
.
These
results
provide
evidence
functions
pigmentation
genes
are
useful
successful
manipulation
this
insect.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: April 19, 2022
Abstract
CRISPR/Cas9
technology
enables
the
extension
of
genetic
techniques
into
insect
pests
previously
refractory
to
analysis.
We
report
establishment
analysis
in
glassy-winged
sharpshooter
(GWSS),
Homalodisca
vitripennis
,
which
is
a
significant
leafhopper
pest
agriculture
California.
use
novel
and
simple
approach
embryo
microinjection
situ
on
host
plant
obtain
high
frequency
mutagenesis,
excess
55%,
cinnabar
white
eye
pigmentation
loci.
Through
pair
matings,
we
obtained
100%
transmission
w
cn
alleles
G3
generation
also
established
that
both
genes
are
located
autosomes.
Our
wing
phenotype
revealed
an
unexpected
discovery
participation
pteridine
pigments
wing-vein
coloration,
indicating
role
for
these
beyond
color.
used
amplicon
sequencing
examine
extent
off-target
mutagenesis
adults
arising
from
injected
eggs,
was
found
be
negligible
or
non-existent.
data
show
GWSS
can
easily
developed
as
model
system
Hemiptera,
enabling
study
traits
contribute
success
invasive
vectors
pathogens.
This
will
facilitate
control
strategies.
ACS Sensors,
Journal Year:
2022,
Volume and Issue:
7(2), P. 523 - 533
Published: Feb. 9, 2022
Overexposure
to
complete
solar
radiation
(combined
ultraviolet,
visible,
and
infrared)
is
correlated
with
several
harmful
biological
consequences
including
hyperpigmentation,
skin
cancer,
eye
damage,
immune
suppression.
With
limited
effective
therapeutic
options
available
for
these
conditions,
significant
efforts
have
been
directed
toward
promoting
preventative
habits.
Recently,
wearable
radiometers
emerged
as
practical
tools
managing
personal
exposure
sunlight.
However,
designing
simple
inexpensive
sensors
that
can
measure
energy
across
multiple
spectral
regions
without
incorporating
electronic
components
remains
challenging,
largely
due
inherent
limitations
of
photoresponsive
indicators.
In
this
work,
we
report
the
design,
fabrication,
characterization
leverage
an
unexpected
feature
a
natural
biochrome,
xanthommatin―its
innate
sensitivity
both
ultraviolet
visible
through
near-infrared
radiation.
We
found
xanthommatin-based
undergo
shift
from
yellow
red
in
presence
This
color
change
driven
by
intrinsic
photoreduction
molecule,
which
investigated
using
computational
modeling
supplemented
radiation-driven
formation
complementary
reducing
agents.
These
are
responsive
dermatologically
relevant
doses
erythemally
weighted
radiation,
well
cumulative
high-energy
used
germicidal
sterilization.
incorporated
miniature
into
pressure-activated
microfluidic
systems
illustrate
on-demand
activation
mountable
form
factor.
When
taken
together,
our
findings
encompass
important
advancement
accessible,
quantitative
measurements
UVC
variety
use
cases.