A library-based approach allows systematic and rapid evaluation of seed region length and reveals design rules for synthetic bacterial small RNAs
iScience,
Год журнала:
2024,
Номер
27(9), С. 110774 - 110774
Опубликована: Авг. 23, 2024
Highlights•A
library-based
approach
for
synthetic
sRNAs
with
varying
seed
region
length
(SRL)•Synthetic
RybB
are
processed
by
RNase
E
at
AU-rich
sequence
motifs•Accessibility
of
SgrS
regions
is
an
important
determinant
functionality•Importance
Hfq
and
SRL
regulatory
efficiency
depends
on
the
sRNA
scaffoldSummaryAll
organisms
must
respond
to
environmental
changes.
In
bacteria,
small
RNAs
(sRNAs)
aspect
regulation
network
underlying
adaptation
such
base-pair
their
target
mRNAs,
allowing
rapid
modulation
proteome.
This
post-transcriptional
usually
facilitated
RNA
chaperones,
as
Hfq.
have
a
potential
regulators
that
can
be
modulated
rational
design.
this
study,
we
use
oxacillin
susceptibility
assays
investigate
importance
based
scaffolds
in
Escherichia
coli.
presence
show
12
nucleotides
sufficient
regulation.
Furthermore,
observe
scaffold-specific
Hfq-dependency
processing
E.
Our
results
provide
information
design
considerations
basic
applied
research.Graphical
abstract
Язык: Английский
In- & Out-Cloning: Plasmid toolboxes for scarless transcription unit and modular Golden Gate acceptor plasmid assembly
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 22, 2024
Abstract
Golden
Gate
cloning
has
become
one
of
the
most
important
DNA
assembly
strategies.
The
construction
standardized
and
reusable
part
libraries,
their
into
transcription
units,
subsequent
multigene
constructs
is
highly
reliable
sustainable.
Researchers
can
quickly
construct
derivatives
assemblies
or
entire
pathways,
importantly,
standardization
compatible
with
laboratory
automation.
Most
strategies
rely
on
four
nucleotide
overhangs
generated
by
commonly
used
Type
IIS
enzymes.
However,
reduction
to
three
allows
use
codons
as
fusion
sites
reduces
potential
scar
sequences.
This
particularly
when
studying
biological
functions,
additional
nucleotides
may
alter
structure
stability
transcribed
RNA.
To
address
this
issue
we
SapI,
a
enzyme
generating
overhangs,
for
unit
assembly,
allowing
codon-based
in
coding
We
created
corresponding
plasmid
toolbox
basic
generation
workflow
term
In-Cloning.
In-Cloning
downstream
Modular
Cloning
standard
developed
Sylvestre
Marillonnet’s
group
constructs.
plasmids
not
be
model
organism
choice.
Therefore,
have
called
Out-Cloning
rapidly
generate
acceptor
plasmids.
uses
parts
that
are
assembled
using
flexible
linkers.
systematic
needed
transfer
interest.
Язык: Английский
In- & Out-Cloning: Plasmid toolboxes for scarless transcription unit and modular Golden Gate acceptor plasmid assembly
Synthetic Biology,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
Golden
Gate
cloning
has
become
one
of
the
most
important
DNA
assembly
strategies.
The
construction
standardized
and
reusable
part
libraries,
their
into
transcription
units,
subsequent
multigene
constructs
is
highly
reliable
sustainable.
Researchers
can
quickly
construct
derivatives
assemblies
or
entire
pathways,
importantly,
standardization
compatible
with
laboratory
automation.
Most
strategies
rely
on
4-nt
overhangs
generated
by
commonly
used
Type
IIS
enzymes.
However,
reduction
to
3-nt
allows
use
codons
as
fusion
sites
reduces
potential
scar
sequences.
This
particularly
when
studying
biological
functions,
additional
nucleotides
may
alter
structure
stability
transcribed
RNA.
To
address
this
issue
we
SapI,
a
enzyme
generating
three
nucleotide
overhangs,
for
unit
assembly,
allowing
codon-based
in
coding
We
created
corresponding
plasmid
toolbox
basic
generation
workflow
term
In-Cloning.
In-Cloning
downstream
Modular
Cloning
standard
developed
Sylvestre
Marillonnet’s
group
constructs.
plasmids
not
be
model
organism
choice.
Therefore,
have
called
Out-Cloning
rapidly
generate
acceptor
plasmids.
uses
parts
that
are
assembled
using
flexible
linkers.
systematic
needed
transfer
interest.
Язык: Английский