Journal of Experimental Biology,
Год журнала:
2023,
Номер
226(21)
Опубликована: Ноя. 1, 2023
ECR
Spotlight
is
a
series
of
interviews
with
early-career
authors
from
selection
papers
published
in
Journal
Experimental
Biology
and
aims
to
promote
not
only
the
diversity
researchers
(ECRs)
working
experimental
biology
during
our
centenary
year
but
also
huge
variety
animals
physiological
systems
that
are
essential
for
‘comparative’
approach.
Rachel
Thayer
an
author
on
‘
A
meta-analysis
butterfly
structural
colors:
their
color
range,
distribution
biological
production’,
JEB.
conducted
research
described
this
article
while
PhD
student
Nipam
Patel's
lab
at
University
California
Berkeley/Marine
Biological
Laboratory,
USA.
She
now
Postdoctoral
Fellow
David
Begun
California,
Davis,
USA,
investigating
genetic
basis
complex,
adaptive
traits,
evolutionary
innovation
relationship
between
microevolutionary
macroevolutionary
processes
diversity.
Materials Horizons,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Using
a
photo-crosslinking
strategy,
chiral
nematic
hydroxypropyl
cellulose
(HPC)
hydrogels
with
accurately
controlled
and
multi-mode
(mechanical
thermal)
responsive
structural
colors
were
fabricated.
The
success
of
butterflies
and
moths
is
tightly
linked
to
the
origin
scales
within
group.
A
long-standing
hypothesis
postulates
that
are
homologous
well-described
mechanosensory
bristles
found
in
fruit
fly
Drosophila
melanogaster,
as
both
derive
from
an
epithelial
precursor.
Previous
histological
candidate
gene
approaches
identified
parallels
genes
involved
scale
bristle
development.
Here,
we
provide
developmental
transcriptomic
evidence
differentiation
lepidopteran
derives
sensory
organ
precursor
(SOP).
Live
imaging
pupae
shows
SOP
cells
undergo
two
asymmetric
divisions
first
abrogate
neurogenic
lineage,
then
lead
a
differentiated
its
associated
socket
cell.
Single-nucleus
RNA
sequencing
using
early
pupal
wings
revealed
differential
expression
patterns
mirror
development,
suggesting
shared
program.
Additionally,
recovered
newly
gene,
transcription
factor
pdm3,
proper
butterfly
wing
scales.
Altogether,
these
data
open
up
avenues
for
understanding
type
specification
illustrate
how
single-cell
transcriptomics
powerful
platform
evolution
cell
types.
Frontiers in Ecology and Evolution,
Год журнала:
2024,
Номер
12
Опубликована: Май 1, 2024
Previous
studies
have
shown
that
Optix
regulates
lower
lamina
thickness
and
the
type
of
pigment
is
produced
in
wing
scales
a
few
butterfly
species.
However,
role
regulating
production
across
species,
additional
aspects
scale
morphology
remains
to
be
investigated.
By
combining
microspectrophotometry,
scanning
electron
microscopy,
focused
ion
beam
technology
on
wild-type
Bicyclus
anynana
crispants,
we
show
orange
pigments
(ommochromes),
represses
brown
(melanins),
upper
surface
scales.
Our
findings
suggest
conserved
as
switch
gene
activates
ommochrome
melanin
synthesis
butterflies.
comparing
these
effects
with
other
mutations,
where
only
removed
from
scales,
propose
pigmentary
changes,
alone,
affect
way
chitin
polymerizes
within
scale,
changing
well
multiple
intricate
structures
surface.
Journal of The Royal Society Interface,
Год журнала:
2024,
Номер
21(218)
Опубликована: Сен. 1, 2024
Biophotonic
nanostructures
in
butterfly
wing
scales
remain
fascinating
examples
of
biological
functional
materials,
with
intriguing
open
questions
regard
to
formation
and
evolutionary
function.
One
particularly
interesting
species,
Erora
opisena
(Lycaenidae:
Theclinae),
develops
that
contain
three-dimensional
photonic
crystals
closely
resemble
a
single
gyroid
geometry.
Unlike
most
other
gyroid-forming
butterflies,
E.
discrete
crystallites
pronounced
size
gradient
hinting
at
developmental
sequence
frozen
time.
Here,
we
present
novel
application
hyperspectral
(wavelength-resolved)
microscopy
technique
investigate
the
ultrastructural
organization
these
dry,
adult
scales.
We
show
reflectance
corresponds
crystallite
size,
where
larger
reflect
green
wavelengths
more
intensely;
this
relationship
could
be
used
infer
from
optical
signal.
further
successfully
resolve
red-shifted
signal
immersed
refractive
index
liquids
varying
index,
including
values
similar
water
or
cytosol.
Such
lower
contrast
may
hypothesized
nanostructural
forms
developing
The
ability
fainter
signals
hints
potential
facile
light
method
for
vivo
analysis
nanostructure
butterflies.
Annual Review of Entomology,
Год журнала:
2025,
Номер
70(1), С. 421 - 439
Опубликована: Янв. 28, 2025
Novel
traits
in
the
order
Lepidoptera
include
prolegs
abdomen
of
larvae,
scales,
and
eyespot
band
color
patterns
wings
adults.
We
review
recent
work
that
investigates
developmental
origin
diversification
these
four
from
a
gene-regulatory
network
(GRN)
perspective.
While
eyespots
appear
to
derive
distinct
ancestral
GRNs
co-opted
novel
body
regions,
scales
situ
modifications
sensory
bristle
GRN.
The
basal
central
symmetry
systems
bands
on
wing
is
associated
with
expression
WntA
gene
those
whereas
more
marginal
depend
two
other
genes,
Distal-less
spalt
.
Finally,
several
genes
have
been
discovered
play
important
roles
regulating
background
color,
via
regulation
pigmentation
GRNs.
identification
shared
cis-
regulatory
elements
belonging
helps
trace
evolutionary
history
traits.
Future
should
examine
extent
which
are
co-opted/modified
produce
how
map
specific
cell
types
derived
Poultry Science,
Год журнала:
2024,
Номер
103(11), С. 104208 - 104208
Опубликована: Авг. 10, 2024
The
earlobes
of
chickens
exhibit
a
range
colors,
but
there
has
been
relatively
little
research
on
the
formation
structural
blue
earlobes.
Previous
results
showed
that
color
were
related
to
interplay
between
melanin
and
collagen
in
light
reflection.
To
investigate
metabolic
differences
these
earlobe
we
conducted
nontargeted
liquid
chromatograph
mass
spectrometer
(LC-MS)
for
metabolomic
sequencing
(Green
Blue
groups)
nonstructural
(Black
group)
tissue
Jiangshan
black-bone
chickens.
content
detection
tissues
different
groups
shows
significant
Black
Green
group.
metabolome
identified
total
6,102
spectroscopic
peaks
ultimately
919
annotated
metabolites.
Variable
importance
projection
(VIP)
analysis
common
differential
expressed
metabolites
(DMs)
"Tyr
Thr
Ala
Glu"
among
3
groups.
By
combining
those
DMs
with
differentially
genes
(DEGs)
our
previous
transcriptome
data
from
same
sample,
associated
KEGG
pathway
analysis,
multiple
pathways
melanogenesis
metabolism
enriched
across
analyzing
pathways,
as
well
interaction
network
diagram
DEGs,
some
key
genes,
Wnt
Family
Member
6
(WNT6),
Transcription
Factor
7
(TCF7),
Proopiomelanocortin
(POMC)
Calcium/Calmodulin
Dependent
Protein
Kinase
II
Alpha
(CAMK2A),
like
DG
(11M3/9M5/0:0)
gentisic
acid.
gene
expression
levels
affect
production
collagen,
leading
thickness
layer
while
could
scattering,
resulting
colored
