Engineering an optimized hypercompact CRISPR/Cas12j‐8 system for efficient genome editing in plants
Shasha Bai,
No information about this author
Xingyu Cao,
No information about this author
Lizhe Hu
No information about this author
et al.
Plant Biotechnology Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 12, 2025
Summary
The
Cas12j‐8
nuclease,
derived
from
the
type
V
CRISPR
system,
is
approximately
half
size
of
Cas9
and
recognizes
a
5′‐TTN‐3′
protospacer
adjacent
motif
sequence,
thus
potentially
having
broad
application
in
genome
editing
for
crop
improvement.
However,
its
efficiency
remains
low
plants.
In
this
study,
we
rationally
engineered
both
crRNA
nuclease.
markedly
improved
When
combined,
they
exhibited
robust
activity
soybean
rice,
enabling
target
sites
that
were
previously
uneditable.
Notably,
certain
sequences,
was
comparable
to
SpCas9
when
targeting
identical
it
outperformed
Cas12j‐2
variant,
nCas12j‐2,
across
all
tested
targets.
Additionally,
developed
cytosine
base
editors
based
on
Cas12j‐8,
demonstrating
an
average
increase
5.36‐
6.85‐fold
base‐editing
(C
T)
compared
with
unengineered
system
plants,
no
insertions
or
deletions
(indels)
observed.
Collectively,
these
findings
indicate
hypercompact
CRISPR/Cas12j‐8
serves
as
efficient
tool
mediated
by
nuclease
cleavage
Language: Английский
Manipulating brassinosteroid signaling pathway to genetically improve horticultural plants
aBIOTECH,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 22, 2025
Language: Английский
Genome editing towards pests and disease management in agricultural crops: Recent developments, challenges and future prospects
Physiological and Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
134, P. 102402 - 102402
Published: Sept. 12, 2024
Language: Английский
Rapid and efficient in planta genome editing in sorghum using foxtail mosaic virus‐mediated sgRNA delivery
Can Baysal,
No information about this author
Albert P. Kausch,
No information about this author
Jon P. Cody
No information about this author
et al.
The Plant Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 11, 2024
The
requirement
of
in
vitro
tissue
culture
for
the
delivery
gene
editing
reagents
limits
application
to
commercially
relevant
varieties
many
crop
species.
To
overcome
this
bottleneck,
plant
RNA
viruses
have
been
deployed
as
versatile
tools
planta
recombinant
RNA.
Viral
single-guide
RNAs
(sgRNAs)
transgenic
plants
that
stably
express
CRISPR-associated
(Cas)
endonuclease
has
successfully
used
targeted
mutagenesis
several
dicotyledonous
and
few
monocotyledonous
plants.
Progress
with
approach
is
limited
so
far
by
availability
effective
viral
vectors.
We
engineered
a
set
foxtail
mosaic
virus
(FoMV)
barley
stripe
(BSMV)
vectors
deliver
fluorescent
protein
AmCyan
track
infection
movement
Sorghum
bicolor.
further
these
sgRNAs
Cas9
Green
Fluorescent
Protein
(GFP)
expressing
sorghum
lines,
targeting
Phytoene
desaturase
(PDS),
Magnesium-chelatase
subunit
I
(MgCh),
4-hydroxy-3-methylbut-2-enyl
diphosphate
reductase,
orthologs
maize
Lemon
white1
(Lw1)
or
GFP.
BSMV
did
neither
infect
nor
sgRNAs.
In
contrast,
FoMV
systemically
spread
throughout
induced
somatic
mutations
frequencies
reaching
up
60%.
This
led
visible
phenotypic
changes,
demonstrating
potential
functional
genomics
studies
sorghum.
Language: Английский
Protocol for transformation-free genome editing in plants using RNA virus vectors for CRISPR-Cas delivery
Huanhuan Lou,
No information about this author
Haiying Xiang,
No information about this author
Wanli Zeng
No information about this author
et al.
STAR Protocols,
Journal Year:
2024,
Volume and Issue:
5(4), P. 103437 - 103437
Published: Nov. 5, 2024
Language: Английский
Development of an RNA virus vector for non-transgenic genome editing in tobacco and generation of berberine bridge enzyme-like mutants with reduced nicotine content
Haiying Xiang,
No information about this author
Binhuan Chen,
No information about this author
Shuo Wang
No information about this author
et al.
aBIOTECH,
Journal Year:
2024,
Volume and Issue:
5(4), P. 449 - 464
Published: Nov. 22, 2024
Tobacco
(
Language: Английский
The Continuous Improvement of the Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)–CRISPR-Associated Protein System Has Led to Its Highly Efficient Application in Plants
W. Z. Tan,
No information about this author
Zhiyuan Wang,
No information about this author
Liezhao Liu
No information about this author
et al.
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.
Language: Английский