Briefings in Bioinformatics,
Год журнала:
2024,
Номер
25(3)
Опубликована: Март 27, 2024
Single-cell
RNA
sequencing
(scRNA-seq)
experiments
have
become
instrumental
in
developmental
and
differentiation
studies,
enabling
the
profiling
of
cells
at
a
single
or
multiple
time-points
to
uncover
subtle
variations
expression
profiles
reflecting
underlying
biological
processes.
Benchmarking
studies
compared
many
computational
methods
used
reconstruct
cellular
dynamics;
however,
researchers
still
encounter
challenges
their
analysis
due
uncertainty
with
respect
selecting
most
appropriate
parameters.
Even
among
universal
data
processing
steps
by
trajectory
inference
such
as
feature
selection
dimension
reduction,
methods'
performances
are
highly
dataset-specific.
To
address
these
challenges,
we
developed
Escort,
novel
framework
for
evaluating
dataset's
suitability
quantifying
properties
influenced
decisions.
Escort
evaluates
combined
effects
choices
using
trajectory-specific
metrics.
navigates
single-cell
through
data-driven
assessments,
reducing
much
decision
burden
inherent
analyses.
is
implemented
an
accessible
R
package
R/Shiny
application,
providing
necessary
tools
make
informed
decisions
during
new
insights
into
dynamic
processes
resolution.
Nature Biotechnology,
Год журнала:
2023,
Номер
41(11), С. 1557 - 1566
Опубликована: Март 6, 2023
Current
single-cell
RNA-sequencing
approaches
have
limitations
that
stem
from
the
microfluidic
devices
or
fluid
handling
steps
required
for
sample
processing.
We
develop
a
method
does
not
require
specialized
devices,
expertise
hardware.
Our
approach
is
based
on
particle-templated
emulsification,
which
allows
encapsulation
and
barcoding
of
cDNA
in
uniform
droplet
emulsions
with
only
vortexer.
Particle-templated
instant
partition
sequencing
(PIP-seq)
accommodates
wide
range
emulsification
formats,
including
microwell
plates
large-volume
conical
tubes,
enabling
thousands
samples
millions
cells
to
be
processed
minutes.
demonstrate
PIP-seq
produces
high-purity
transcriptomes
mouse-human
mixing
studies,
compatible
multiomics
measurements
can
accurately
characterize
cell
types
human
breast
tissue
compared
commercial
platform.
Single-cell
transcriptional
profiling
mixed
phenotype
acute
leukemia
using
reveals
emergence
heterogeneity
within
chemotherapy-resistant
subsets
were
hidden
by
standard
immunophenotyping.
simple,
flexible
scalable
next-generation
workflow
extends
new
applications.
Nucleic Acids Research,
Год журнала:
2023,
Номер
52(D1), С. D808 - D816
Опубликована: Ноя. 11, 2023
Abstract
The
Eukaryotic
Pathogen,
Vector
and
Host
Informatics
Resource
(VEuPathDB,
https://veupathdb.org)
is
a
Bioinformatics
Center
funded
by
the
National
Institutes
of
Health
with
additional
funding
from
Wellcome
Trust.
VEuPathDB
supports
>600
organisms
that
comprise
invertebrate
vectors,
eukaryotic
pathogens
(protists
fungi)
relevant
free-living
or
non-pathogenic
species
hosts.
Since
2004,
has
analyzed
omics
data
public
domain
using
contemporary
bioinformatic
workflows,
including
orthology
predictions
via
OrthoMCL,
integrated
analysis
results
tools,
visualizations,
advanced
search
capabilities.
unique
mining
platform
coupled
>3000
pre-analyzed
sets
facilitates
exploration
pertinent
in
support
hypothesis
driven
research.
Comparisons
are
easily
made
across
sets,
types
organisms.
A
Galaxy
workspace
offers
opportunity
for
private
large-scale
datasets
porting
to
comparisons
data.
MapVEu
tool
provides
spatially
resolved
such
as
vector
surveillance
insecticide
resistance
monitoring.
To
address
growing
body
advances
laboratory
techniques,
added
several
new
types,
searches
features,
improved
environment,
redesigned
interface
updated
infrastructure
accommodate
these
changes.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 2, 2023
Abstract
Hundreds
of
millions
single
cells
have
been
analyzed
to
date
using
high
throughput
transcriptomic
methods,
thanks
technological
advances
driving
the
increasingly
rapid
generation
single-cell
data.
This
provides
an
exciting
opportunity
for
unlocking
new
insights
into
health
and
disease,
made
possible
by
meta-analysis
that
span
diverse
datasets
building
on
recent
in
large
language
models
other
machine
learning
approaches.
Despite
promise
these
emerging
analytical
tools
analyzing
amounts
data,
a
major
challenge
remains
sheer
number
inconsistent
format,
data
accessibility.
Many
are
available
via
unique
portals
platforms
often
lack
interoperability.
Here,
we
present
CZ
CellxGene
Discover
(
cellxgene.cziscience.com
),
platform
curated
interoperable
resource,
free-to-use
online
portal,
hosts
growing
corpus
community
contributed
spans
more
than
50
million
cells.
Curated,
standardized,
associated
with
consistent
cell-level
metadata,
this
collection
is
largest
its
kind.
A
suite
features
enables
accessibility
reusability
both
computational
visual
interfaces
allow
researchers
rapidly
explore
individual
perform
cross-corpus
analysis.
functionality
enabling
meta-analyses
tens
across
studies
tissues
providing
global
views
human
at
resolution
Computational and Structural Biotechnology Journal,
Год журнала:
2025,
Номер
27, С. 265 - 277
Опубликована: Янв. 1, 2025
Despite
the
wealth
of
single-cell
multi-omics
data,
it
remains
challenging
to
predict
consequences
novel
genetic
and
chemical
perturbations
in
human
body.
It
requires
knowledge
molecular
interactions
at
all
biological
levels,
encompassing
disease
models
humans.
Current
machine
learning
methods
primarily
establish
statistical
correlations
between
genotypes
phenotypes
but
struggle
identify
physiologically
significant
causal
factors,
limiting
their
predictive
power.
Key
challenges
modeling
include
scarcity
labeled
generalization
across
different
domains,
disentangling
causation
from
correlation.
In
light
recent
advances
data
integration,
we
propose
a
new
artificial
intelligence
(AI)-powered
biology-inspired
multi-scale
framework
tackle
these
issues.
This
will
integrate
organism
hierarchies,
species
genotype-environment-phenotype
relationships
under
various
conditions.
AI
inspired
by
biology
may
targets,
biomarkers,
pharmaceutical
agents,
personalized
medicines
for
presently
unmet
medical
needs.
Cell
type
identification
is
an
indispensable
analytical
step
in
single-cell
data
analyses.
To
address
the
high
noise
stemming
from
gene
expression
data,
existing
computational
methods
often
overlook
biologically
meaningful
relationships
between
genes,
opting
to
reduce
all
genes
a
unified
space.
We
assume
that
such
can
aid
characterizing
cell
features
and
improving
recognition
accuracy.
this
end,
we
introduce
scPriorGraph,
dual-channel
graph
neural
network
integrates
multi-level
biosemantics.
Experimental
results
demonstrate
scPriorGraph
effectively
aggregates
feature
values
of
similar
cells
using
high-quality
graphs,
achieving
state-of-the-art
performance
identification.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Abstract
Invasive
plants
can
profoundly
disrupt
native
biodiversity,
yet
the
genetic
mechanisms
underpinning
their
success
remain
poorly
understood.
To
date,
genomic
studies
have
been
conducted
on
only
a
limited
number
of
invasive
species,
and
no
single-cell
level
applied.
This
research
investigates
drivers
behind
behavior
common
reed
(
Phragmites
australis
),
hardy
grass
species
that
became
in
North
America
following
its
introduction
from
Europe.
By
integrating
whole-genome
sequencing
with
spatial
transcriptomics,
we
developed
comprehensive
atlas
reed’s
shoot
system.
UMAP
analysis
identified
19
distinct
cell
clusters
within
Gene
Ontology
(GO)
enrichment
enabled
annotation
key
types,
including
mesophyll,
epidermal,
bundle
sheath,
xylem
cells,
as
well
apical
lateral
bud
meristems,
auxillary
meristems.
RNA
velocity
highlighted
multipotent
nature
mesophyll
chlorenchyma
Cluster
3
progenitor
cells
capable
differentiating
into
various
tissues
1
progressing
towards
aerenchyma
formation.
Comparative
between
European
American
populations
revealed
significant
differences
transcriptional
activity
gene
expression,
particularly
associated
meristem.
exhibited
higher
prevalence
B
chromosomes,
three
genes
IMPA-3,
SSC3,
DDE
family
endonuclease
consistently
upregulated
across
nearly
all
clusters,
notably
near
meristematic
regions.
The
fast
mutation
IMPA-3
which
functions
major
receptor
Resistance
(R)
may
strengthened
adaptability
population
America.
These
findings
provide
critical
insights
cellular
development
diversity
underlying
invasiveness
reed,
offering
valuable
information
to
guide
ecological
management
strategies.