bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
Abstract
Segmentation
and
detection
of
biological
objects
in
fluorescence
microscopy
is
paramount
importance
cell
imaging.
Deep
learning
approaches
have
recently
shown
promise
to
advance,
automatize
accelerate
analysis.
However,
most
the
interest
has
been
given
segmentation
static
2D/3D
images
whereas
dynamic
processes
obtained
from
time-lapse
acquisitions
less
explored.
Here
we
adapted
DeepFinder,
a
U-net
originally
designed
for
3D
noisy
cryo-electron
tomography
(cryo-ET)
data,
rare
exocytosis
events
(termed
ExoDeepFinder)
observed
temporal
series
2D
Total
Internal
Reflection
Fluorescent
Microscopy
(TIRFM)
images.
ExoDeepFinder
achieved
good
absolute
performances
with
relatively
small
training
dataset
60
cells/∼12000
events.
We
rigorously
compared
deep
unsupervised
conventional
methods
literature.
outcompeted
tested
methods,
but
also
exhibited
greater
plasticity
experimental
conditions
when
under
drug
treatments
after
changes
line
or
imaged
reporter.
This
robustness
unseen
did
not
require
re-training
demonstrating
generalization
capability
ExoDeepFinder.
ExoDeepFinder,
as
well
annotated
datasets,
were
made
transparent
available
through
an
open-source
software
Napari
plugin
can
directly
be
applied
custom
user
data.
The
apparent
detect
open
new
opportunities
future
deep-learning
guided
analysis
live-cell
The Innovation Life,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100105 - 100105
Published: Jan. 1, 2024
<p>Artificial
intelligence
has
had
a
profound
impact
on
life
sciences.
This
review
discusses
the
application,
challenges,
and
future
development
directions
of
artificial
in
various
branches
sciences,
including
zoology,
plant
science,
microbiology,
biochemistry,
molecular
biology,
cell
developmental
genetics,
neuroscience,
psychology,
pharmacology,
clinical
medicine,
biomaterials,
ecology,
environmental
science.
It
elaborates
important
roles
aspects
such
as
behavior
monitoring,
population
dynamic
prediction,
microorganism
identification,
disease
detection.
At
same
time,
it
points
out
challenges
faced
by
application
data
quality,
black-box
problems,
ethical
concerns.
The
are
prospected
from
technological
innovation
interdisciplinary
cooperation.
integration
Bio-Technologies
(BT)
Information-Technologies
(IT)
will
transform
biomedical
research
into
AI
for
Science
paradigm.</p>
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(2), P. e0315947 - e0315947
Published: Feb. 10, 2025
Time-lapse
microscopy
has
long
been
used
to
record
cell
lineage
trees.
Successful
construction
of
a
tree
requires
tracking
and
preserving
the
identity
multiple
cells
across
many
images.
If
single
is
misidentified
all
its
progeny
will
be
corrupted
inferences
about
heritability
may
incorrect.
Successfully
avoiding
such
errors
challenging,
however,
when
studying
highly-motile
as
T
lymphocytes
which
readily
change
shape
from
one
image
next.
To
address
this
problem,
we
developed
DeepKymoTracker,
pipeline
for
combined
segmentation.
Central
DeepKymoTracker
use
seed,
marker
each
transmits
information
position
between
sets
images
during
tracking,
well
segmentation
steps.
The
seed
allows
3D
convolutional
neural
network
(CNN)
detect
associate
several
consecutive
in
an
integrated
way,
reducing
risk
poor
corrupting
identity.
was
trained
extensively
on
synthetic
experimental
lymphocyte
It
benchmarked
against
five
publicly
available,
automatic
analysis
tools
outperformed
them
almost
respects.
software
written
pure
Python
freely
available.
We
suggest
tool
particularly
suited
suspension,
whose
fast
motion
makes
assembly
difficult.
Nature Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Abstract
Cellular
organelles
undergo
constant
morphological
changes
and
dynamic
interactions
that
are
fundamental
to
cell
homeostasis,
stress
responses
disease
progression.
Despite
their
importance,
quantifying
organelle
morphology
motility
remains
challenging
due
complex
architectures,
rapid
movements
the
technical
limitations
of
existing
analysis
tools.
Here
we
introduce
Nellie,
an
automated
unbiased
pipeline
for
segmentation,
tracking
feature
extraction
diverse
intracellular
structures.
Nellie
adapts
image
metadata
employs
hierarchical
segmentation
resolve
sub-organellar
regions,
while
its
radius-adaptive
pattern
matching
enables
precise
motion
tracking.
Through
a
user-friendly
Napari-based
interface,
comprehensive
without
coding
expertise.
We
demonstrate
Nellie’s
versatility
by
unmixing
multiple
from
single-channel
data,
mitochondrial
ionomycin
via
graph
autoencoders
characterizing
endoplasmic
reticulum
networks
across
types
time
points.
This
tool
addresses
critical
need
in
biology
providing
accessible,
dynamics.
iScience,
Journal Year:
2024,
Volume and Issue:
27(3), P. 109007 - 109007
Published: Jan. 26, 2024
Chromosomal
instability
(CIN)
is
a
hallmark
of
cancers,
and
CIN-promoting
mutations
are
not
fully
understood.
Here,
we
report
141
chromosomal
aiding
variant
(CIVa)
candidates
by
assessing
the
prevalence
loss-of-function
(LoF)
variants
in
135
chromosome
segregation
genes
from
over
150,000
humans.
Unexpectedly,
observe
both
heterozygous
homozygous
CIVa
Astrin
SKA3,
two
evolutionarily
conserved
kinetochore
microtubule-associated
proteins
essential
for
segregation.
To
stratify
harmful
versus
harmless
variants,
combine
live-cell
microscopy
controlled
protein
expression.
We
find
naturally
occurring
p.Q1012∗
as
it
fails
to
localize
normally
induces
misalignment
missegregation,
dominant
negative
manner.
In
contrast,
p.L7Qfs∗21
generates
shorter
isoform
that
localizes
functions
normally,
SKA3
p.Q70Kfs∗7
allows
wild-type
SKA
complex
localisation
function,
revealing
distinct
resilience
mechanisms
render
these
harmless.
Thus,
present
scalable
framework
predict
CIVa,
provide
insight
into
compensate
CIVa.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 13, 2025
Developing
new
antibiotics
poses
a
significant
challenge
in
the
fight
against
antimicrobial
resistance
(AMR),
critical
global
health
threat
responsible
for
approximately
5
million
deaths
annually.
Finding
classes
of
that
are
safe,
have
acceptable
pharmacokinetic
properties,
and
appropriately
active
pathogens
is
lengthy
expensive
process.
Therefore,
high-throughput
platforms
needed
to
screen
large
libraries
synthetic
natural
compounds.
In
this
review,
we
present
bacterial
cytological
profiling
(BCP)
as
rapid,
scalable,
cost-effective
method
identifying
antibiotic
mechanisms
action.
Notably,
BCP
has
proven
its
potential
drug
discovery,
demonstrated
by
identification
cellular
target
spirohexenolide
A
methicillin-resistant
Staphylococcus
aureus
.
We
application
different
organisms
discuss
BCP’s
advantages,
limitations,
improvements.
Furthermore,
highlight
studies
utilized
investigate
listed
Bacterial
Priority
Pathogens
List
2024
identify
whose
profiles
missing.
also
explore
most
recent
artificial
intelligence
deep
learning
techniques
could
enhance
analysis
data
generated
BCP,
potentially
advancing
our
understanding
discovery
novel
druggable
pathways.
Communications Biology,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: March 25, 2025
Abstract
Continuous
high-resolution
imaging
of
the
disease-mediating
blood
stages
human
malaria
parasite
Plasmodium
falciparum
faces
challenges
due
to
photosensitivity,
small
size,
and
anisotropy
large
refractive
index
host
erythrocytes.
Previous
studies
often
relied
on
snapshot
galleries
from
multiple
cells,
limiting
investigation
dynamic
cellular
processes.
We
present
a
workflow
enabling
continuous,
single-cell
monitoring
live
parasites
throughout
48-hour
intraerythrocytic
life
cycle
with
high
spatial
temporal
resolution.
This
approach
integrates
label-free,
three-dimensional
differential
interference
contrast
fluorescence
using
an
Airyscan
microscope,
automated
cell
segmentation
through
pre-trained
deep-learning
algorithms,
3D
rendering
for
visualization
time-resolved
analyses.
As
proof
concept,
we
applied
this
study
knob-associated
histidine-rich
protein
(KAHRP)
export
into
erythrocyte
compartment
its
clustering
beneath
plasma
membrane.
Our
methodology
opens
avenues
in-depth
exploration
processes
in
parasites,
providing
valuable
tool
further
investigations.