Lepidopteran scale cells derive from sensory organ precursors through a canonical lineage
Development,
Journal Year:
2025,
Volume and Issue:
152(5)
Published: March 1, 2025
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.
Language: Английский
Spatial mRNA Profiling Using Rapid Amplified Multiplexed-FISH (RAM-FISH)
Published: Jan. 1, 2025
Language: Английский
Profiling the Regulatory Landscape of Sialylation through miRNA Targeting of CMP- Sialic Acid Synthetase
Faezeh Jame-Chenarboo,
No information about this author
Joseph N. Reyes,
No information about this author
Thusini Uggalla Arachchige
No information about this author
et al.
Journal of Biological Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 108340 - 108340
Published: Feb. 1, 2025
Cell
surface
sialic
acid
is
an
important
glycan
modification
that
contributes
to
both
normal
and
pathological
physiology.
The
enzyme
cytidine
monophosphate
N-acetylneuraminic
synthetase
(CMAS)
biosynthesizes
the
activated
sugar
donor
(CMP)
acid,
which
required
for
all
sialylation.
CMAS
levels
impact
sialylation
with
corresponding
biological
effects.
mechanisms
regulate
are
relatively
uncharacterized.
Herein,
we
use
a
high
throughput
genetically
encoded
fluorescence
assay
(miRFluR)
comprehensively
profile
posttranscriptional
regulation
of
by
miRNA.
These
small
non-coding
RNAs
have
been
found
glycosylation.
Mapping
interactions
human
miRNAome
3'-untranslated
region
CMAS,
identified
miRNA
whose
on
expression
was
either
downregulatory
or
upregulatory.
This
follows
previous
work
from
our
laboratory
others
showing
bidirectional.
Validation
high-throughput
results
confirmed
findings.
We
also
direct
binding
sites
2
upregulatory
miRNAs.
Functional
enrichment
analysis
miRNAs
upregulating
revealed
associations
pancreatic
cancer,
where
metabolism
α-2,6-sialyltransferase
ST6GAL1
be
important.
associated
enriched
signature
enhanced
cell-surface
α-2,6-sialylation
via
in
absence
effects
ST6GAL1.
find
overlap
between
previously
analyzed
sialyltransferases.
Overall,
points
importance
regulating
disease
add
further
evidence
bidirectional
nature
regulation.
Language: Английский
A Comparative Transcriptomic Analysis of miRNAs and Their Target Genes During the Formation of Melanin in Apis mellifera
Xiangjie Zhu,
No information about this author
Yuanmingyue Tian,
No information about this author
Mingjie Cao
No information about this author
et al.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(9), P. 992 - 992
Published: May 3, 2025
Melanin
is
an
important
component
of
the
body
color
honeybees,
and
its
formation
changes
with
age
a
capped
brood
bees.
However,
up
to
now,
regulatory
mechanism
melanin
in
honeybees
remains
unclear.
To
analyze
differential
expression
profile
microRNAs
(miRNAs)
worker
bees
Apis
mellifera
reveal
roles
differentially
expressed
miRNAs
(DEmiRNAs)
mRNAs
process
during
stage,
we
used
sRNA-seq
technology
related
software
samples
from
four
key
developmental
stages
when
develops
mellifera,
namely,
mature
larvae
(L0),
pre-pupae
(PP3),
early
pupae
(P6)
mid-pupae
(P9).
A
total
1291
were
identified
by
bioinformatics.
Three
comparison
groups
analyzed:
L0
vs.
PP3,
PP3
P6,
P6
P9.
171,
94,
19
DEmiRNAs
these
groups,
respectively,
which
regulate
1481,
690,
182
target
(target
DEmRNAs).
The
functional
analysis
DEmRNAs
indicated
that
might
activating
genes
signaling
pathways,
such
as
Wnt
pathway,
melanogenesis,
Toll
Imd
through
miR-315-x,
miR-8,
ple,
yellow
family
genes,
wnt1,
etc.
Our
research
provides
theoretical
basis
for
future
role
honeybees.
Language: Английский
Spatial mRNA profiling using Rapid Amplified Multiplexed-FISH (RAM-FISH)
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Abstract
Localizing
multiple
RNA
molecules
simultaneously
in
intact
tissues
and
organs
is
valuable
for
gaining
insights
into
possible
gene-regulatory
interactions
underlying
cell
differentiation.
Existing
technologies
multiplexed
localization
are
expensive,
computationally
complex,
have
elaborate
sample
preparation
steps,
size
limitations,
require
weeks
of
processing
time.
This
limits
the
widespread
use
such
techniques
most
labs.
Here
we
describe
a
cost-effective
methodology,
Rapid
Amplified
Multiplexed-FISH
(or
RAM-FISH),
based
on
Hybridization
Chain
Reaction
3.0
localizing
dozens
transcripts
same
sample.
methodology
achieves
multiplexing
by
3
genes
per
cycle
to
detect
30
or
more
within
few
days.
The
method
can
be
applied
fixed
tissue
sections,
entire
organs,
whole
organisms
as
larval
Danio
rerio
,
without
extensive
steps.
automation
used
here
also
adapted
perform
other
amplification-based
FISH.
Here,
demonstrate
its
utility,
flexibility,
versatility
gene
expression
analysis
two
very
different
types
samples,
Bicyclus
anynana
butterfly
wings
10-day-old
fish
larvae.
Language: Английский