Agriculture,
Journal Year:
2024,
Volume and Issue:
15(1), P. 29 - 29
Published: Dec. 26, 2024
The
creation
of
the
CRISPR–Cas
system
has
provided
unprecedented
opportunities
in
plant
genome
research
and
crop
genetic
improvement.
In
recent
years,
this
been
continuously
improved
to
meet
human
needs
through
expansion
modification
Cas
proteins,
diversification
targeting
locations,
optimization
CRISPR
vectors.
review,
we
systematically
describe
Class
II
proteins
that
have
used
plants,
deactivated
Cas9
(dCas9)
its
role
transcriptional
regulation,
precision
editing
systems,
protein
variants,
as
well
methods
examples
systems
various
regions
with
different
breadths.
addition,
outline
plans
based
on
constructs
can
overcome
pleiotropy
genes
or
accelerate
generation
transgene-free
plants
applications
breeding
practices.
Finally,
discuss
theory
development
“CRISPR
plus”,
integrated
application
existing
more
species.
Frontiers in Genome Editing,
Journal Year:
2025,
Volume and Issue:
7
Published: March 10, 2025
Climate
change
threatens
global
crop
yield
and
food
security
due
to
rising
temperatures,
erratic
rainfall,
increased
abiotic
stresses
like
drought,
heat,
salinity.
Gene
editing
technologies,
including
CRISPR/Cas9,
base
editors,
prime
offer
precise
tools
for
enhancing
resilience.
This
review
explores
the
mechanisms
of
these
technologies
their
applications
in
developing
climate-resilient
crops
address
future
challenges.
While
CRISPR/enables
targeted
modifications
plant
DNA,
editors
allow
direct
conversion
without
inducing
double-stranded
breaks,
enable
insertions,
deletions,
substitutions.
By
understanding
manipulating
key
regulator
genes
involved
stress
responses,
such
as
DREB,
HSP,
SOS,
ERECTA,
HsfA1,
NHX;
tolerance
can
be
enhanced
against
salt
stress.
improve
traits
related
root
development,
water
use
efficiency,
response
pathways,
heat
shock
response,
photosynthesis,
membrane
stability,
ion
homeostasis,
osmotic
adjustment,
oxidative
response.
Advancements
gene
integration
with
genomics,
phenomics,
artificial
intelligence
(AI)/machine
learning
(ML)
hold
great
promise.
However,
challenges
off-target
effects,
delivery
methods,
regulatory
barriers
must
addressed.
highlights
potential
develop
crops,
contributing
sustainable
agriculture.
ACS Synthetic Biology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
The
fusion
expression
of
deoxyribonucleic
acid
(DNA)
replication-related
proteins
with
nucleotide
deaminase
enzymes
promotes
random
mutations
in
bacterial
genomes,
thereby
increasing
genetic
diversity
among
the
population.
Most
previous
studies
have
focused
on
cytosine
deaminase,
which
produces
only
C
→
T
mutations,
significantly
limiting
variety
mutation
types.
In
this
study,
we
developed
a
system
by
combining
DnaG
(RNA
primase)
adenine
TadA-8e
(DnaG-TadA)
Escherichia
coli,
is
capable
rapidly
introducing
A
G
into
E.
coli
genome,
resulting
664-fold
increase
terms
rate.
Additionally,
tested
dual-functional
TadA
variant,
TadAD,
and
then
fused
it
DnaG.
This
construct
introduced
both
rate
increased
370-fold
upon
coexpression
uracil
glycosylase
inhibitor
(DnaG-TadAD-UGI).
We
applied
DnaG-TadA
DnaG-TadAD-UGI
systems
to
adaptive
laboratory
evolution
for
Cd2+
kanamycin
resistance,
achieving
an
8.0
mM
200
μg/mL
tolerance
within
just
17
days
132
h,
respectively.
Compared
conventional
methods,
final
levels
were
320
266%,
Our
work
offers
novel
strategy
mutagenesis
potentially
other
prokaryotic
species.
Plant Biotechnology Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
CRISPR-Cas-based
cytosine
base
editors
(CBEs)
are
prominent
tools
that
perform
site-specific
and
precise
C-to-T
conversions
catalysed
by
cytidine
deaminases.
However,
their
use
is
often
constrained
stringent
editing
preferences
for
genomic
contexts,
off-target
effects
restricted
windows.
To
expand
the
repertoire
of
CBEs,
we
systematically
screened
66
novel
deaminases
sourced
from
various
organisms,
predominantly
animal
kingdom
benchmarked
them
in
rice
protoplasts
using
nCas9-BE3
configuration.
After
selecting
candidates
further
validation
transgenic
lines,
unveiled
a
few
exhibiting
high
efficiencies
wide
CBEs
based
on
these
also
displayed
minimal
frequencies
indels
C-to-R
(R
=
A/G)
conversions,
suggesting
purity
editing.
Furthermore,
highlight
highly
efficient
deaminase
OoA3GX2
derived
Orca
(killer
whale)
its
comparable
activity
across
GC/CC/TC/AC
sites,
thus
broadening
targeting
scope
robust
multiplexed
Finally,
whole-genome
sequencing
analyses
revealed
very
sgRNA-dependent
-independent
independent
T0
lines.
This
study
expands
base-editing
toolkit
with
many
mammals,
providing
better-performing
can
be
leveraged
sophisticated
genome
engineering
strategies
likely
other
plant
species.
Plant Biotechnology Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
Summary
In
recent
years,
the
CRISPR‐Cas9
nuclease
has
been
used
to
knock
out
MicroRNA
(miRNA)
genes
in
plants,
greatly
promoting
study
of
miRNA
function.
However,
due
its
propensity
for
generating
small
insertions
and
deletions,
Cas9
is
not
well‐suited
achieving
a
complete
knockout
genes.
By
contrast,
CRISPR‐Cas12a
generates
larger
which
could
significantly
disrupt
secondary
structure
pre‐miRNA
prevent
production
mature
miRNAs.
Through
case
OsMIR390
rice,
we
confirmed
that
Cas12a
more
efficient
tool
than
mutants
gene.
To
further
demonstrate
CRISPR‐Cas12a‐mediated
targeted
nine
OsMIRNA
have
different
spaciotemporal
expression
previously
investigated
via
genetic
approaches.
With
CRISPR‐Cas12a,
up
100%
genome
editing
efficiency
was
observed
at
these
loci.
The
resulting
deletions
suggest
robustly
generated
null
alleles
Transcriptome
profiling
mutants,
as
well
phenotypic
analysis
rice
grains
revealed
function
miRNAs
controlling
gene
regulating
grain
quality
seed
development.
This
established
an
plants.
Journal of Hematology & Oncology,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Nov. 13, 2024
Chimeric
antigen
receptor
(CAR)
cell
therapy
has
achieved
groundbreaking
success
in
treating
hematological
malignancies.
However,
its
application
to
solid
tumors
remains
challenging
due
complex
manufacturing
processes,
limited
vivo
persistence,
and
transient
therapeutic
effects.
In
CAR-immune
cells
induced
by
gene
delivery
systems
loaded
with
CAR
genes
gene-editing
tools
have
shown
efficiency
for
anti-tumor
immunotherapy.
situ
programming
of
autologous
immune
avoids
the
safety
concerns
allogeneic
cells,
manufacture
could
be
standardized.
Therefore,
editing
generation
might
potentially
overcome
abovementioned
limitations
current
therapy.
This
review
mainly
focuses
on
structures,
tools,
techniques
applied
immunotherapy
help
design
develop
The
recent
applications
both
hematologic
malignancies
are
investigated.
To
sum
up,
holds
promise
offering
a
practical,
cost-effective,
efficient,
safe,
widely
applicable
approach
next-generation