Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Nov. 12, 2024
The
complexities
encountered
in
microbial
metabolic
engineering
continue
to
elude
prediction
and
design.
Unravelling
these
requires
strategies
that
go
beyond
conventional
genetics.
Using
multiplex
mutagenesis
with
double
stranded
(ds)
DNA,
we
extend
the
repertoire
previously
pioneered
using
single
strand
(ss)
oligonucleotides.
We
present
ReaL-MGE
(Recombineering
Linear
CRISPR/Cas9
assisted
Multiplex
Genome
Engineering).
enables
precise
manipulation
of
numerous
large
DNA
sequences
as
demonstrated
by
simultaneous
insertion
multiple
kilobase-scale
into
E.
coli,
Schlegelella
brevitalea
Pseudomonas
putida
genomes
without
any
off-target
errors.
applications
enhance
intracellular
malonyl-CoA
levels
three
achieved
26-,
20-,
13.5-fold
elevations
respectively,
thereby
promoting
target
polyketide
yields
more
than
an
order
magnitude.
In
a
further
round
ReaL-MGE,
adapt
S.
elevation
utilizing
restricted
carbon
source
(lignocellulose
from
straw)
realize
production
anti-cancer
secondary
metabolite,
epothilone
lignocellulose.
dsDNA
incorporation
lengthy
segments
can
fully
encode
additional
functions.
Additionally,
utilization
PCR
generate
dsDNAs
brings
flexible
design
advantages.
presents
strategic
options
engineering.
Engineering)
species.
Here,
authors
demonstrate
its
utility
enhancing
producing
valuable
compounds
like
Nucleic Acids Research,
Journal Year:
2025,
Volume and Issue:
53(1)
Published: Jan. 7, 2025
Abstract
Developing
efficient
gene
regulation
tools
is
essential
for
optimizing
microbial
cell
factories,
but
most
existing
only
modulate
expression
at
the
transcriptional
level.
Regulation
translational
level
provides
a
faster
dynamic
response,
whereas
developing
programmable,
and
multiplexed
tool
remains
challenge.
Here,
we
have
developed
CRISPRi
CRISPRa
systems
based
on
hfCas13X
that
can
regulate
translation
in
Bacillus
subtilis.
First,
constructed
system
to
catalytically
deactivated
(dhfCas13X).
Second,
designed
unique
mRNA–crRNA
pairs
construct
DiCRISPRa
(degradation-inhibited
CRISPRa)
TsCRISPRa
(translation-started
systems,
which
activate
downstream
by
enhancing
mRNA
stability
or
initiating
translation.
In
addition,
found
fusing
dhfCas13X
with
RNA-binding
chaperone
BHfq
significantly
improved
activation
efficiency
of
(43.2-fold).
Finally,
demonstrated
CRISPR
could
be
used
optimize
metabolic
networks
two
biotechnologically
relevant
compounds,
riboflavin
2′-fucosyllactose,
increasing
their
titers
3-
1.2-fold,
respectively.
The
here
provide
new
offer
ideas
construction
systems.
Nucleic Acids Research,
Journal Year:
2022,
Volume and Issue:
51(D1), P. D621 - D628
Published: Nov. 29, 2022
Abstract
Quantitative
activity
and
species
source
data
of
natural
products
(NPs)
are
important
for
drug
discovery,
medicinal
plant
research,
microbial
investigations.
Activity
values
NPs
against
specific
targets
useful
discovering
targeted
therapeutic
agents
investigating
the
mechanism
plants.
Composition/concentration
in
individual
facilitate
assessments
investigations
quality
herbs
phenotypes
microbes.
Here,
we
describe
an
update
NPASS
product
database
previously
featured
NAR.
This
includes:
(i)
new
∼95
000
records
composition/concentration
∼1
490
NPs/NP
clusters
∼390
species,
(ii)
extended
∼43
200
∼7
700
(∼40%
∼32%
increase,
respectively),
(iii)
∼31
600
sources
∼94
400
(∼26%
(iv)
types
∼440
co-cultured
microbes
∼420
engineered
microbes,
(v)
∼66
without
experimental
but
with
estimated
profiles
from
established
chemical
similarity
tool
Chemical
Checker,
(vi)
computed
drug-likeness
properties
absorption,
distribution,
metabolism,
excretion
toxicity
(ADMET)
all
NPs.
version
is
freely
accessible
at
http://bidd.group/NPASS.
Natural Product Reports,
Journal Year:
2024,
Volume and Issue:
41(7), P. 1113 - 1151
Published: Jan. 1, 2024
Covering:
up
to
October
2023Many
bioactive
natural
products
are
synthesized
by
microorganisms
that
either
difficult
or
impossible
cultivate
under
laboratory
conditions,
produce
only
small
amounts
of
the
desired
compound.
By
transferring
biosynthetic
gene
clusters
(BGCs)
into
alternative
host
organisms
more
easily
cultured
and
engineered,
larger
quantities
can
be
obtained
new
analogues
with
potentially
improved
biological
activity
other
desirable
properties
generated.
Moreover,
expression
cryptic
BGCs
in
a
suitable
facilitate
identification
characterization
novel
products.
Heterologous
therefore
represents
valuable
tool
for
product
discovery
engineering
as
it
allows
study
manipulation
their
pathways
controlled
setting,
enabling
innovative
applications.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(9), P. 2106 - 2106
Published: May 2, 2024
Diverse
secondary
metabolites
in
plants,
with
their
rich
biological
activities,
have
long
been
important
sources
for
human
medicine,
food
additives,
pesticides,
etc.
However,
the
large-scale
cultivation
of
host
plants
consumes
land
resources
and
is
susceptible
to
pest
disease
problems.
Additionally,
multi-step
demanding
nature
chemical
synthesis
adds
production
costs,
limiting
widespread
application.
In
vitro
metabolic
engineering
significantly
enhanced
successful
industrial
cases.
As
synthetic
biology
advances,
more
research
focusing
on
heterologous
using
microorganisms.
This
review
provides
a
comprehensive
comparison
between
these
two
chassis,
evaluating
performance
various
types
from
perspectives
yield
strategies.
It
also
discusses
challenges
they
face
offers
insights
into
future
efforts
directions.
Critical Reviews in Biotechnology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 21
Published: Aug. 12, 2024
Natural
products
have
long
served
as
critical
raw
materials
in
chemical
and
pharmaceutical
manufacturing,
primarily
which
can
provide
superior
scaffolds
or
intermediates
for
drug
discovery
development.
Over
the
last
century,
natural
contributed
to
more
than
a
third
of
therapeutic
production.
However,
traditional
methods
producing
drugs
from
become
less
efficient
expensive
over
past
few
decades.
The
combined
utilization
genome
mining
synthetic
biology
based
on
sequencing,
bioinformatics
tools,
big
data
analytics,
genetic
engineering,
metabolic
systems
promises
counter
this
trend.
Here,
we
reviewed
recent
(2020–2023)
examples
used
resolve
challenges
production
products,
such
variety,
poor
efficiency,
low
yield.
Additionally,
emerging
design
principles,
building
strategies
its
application
prospects
NPs
synthesis
also
been
discussed.
Microbial Cell Factories,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 9, 2025
Abstract
Background
During
the
last
decades,
advancements
in
synthetic
biology
opened
doors
for
a
profusion
of
cost-effective,
fast,
and
ecologically
friendly
medical
applications
priorly
unimaginable.
Following
trend,
genetic
engineering
baker’s
yeast,
Saccharomyces
cerevisiae
,
propelled
its
status
from
an
instrumental
ally
food
industry
to
therapy
prophylaxis
aid.
Main
text
In
this
review,
we
scrutinize
main
engineered
S.
field
focusing
on
use
as
cell
factory
pharmaceuticals
vaccines,
biosensor
diagnostic
biomimetic
assays,
live
biotherapeutic
product
smart
situ
treatment
intestinal
ailments.
An
extensive
view
these
fields'
academic
commercial
developments
well
hindrances
is
presented.
Conclusion
Although
still
faces
challenges,
development
yeast-based
often
considered
success
story.
The
rapid
advances
strongly
support
case
future
where
yeasts
play
important
role
medicine.
Engineering Microbiology,
Journal Year:
2023,
Volume and Issue:
3(2), P. 100075 - 100075
Published: Jan. 20, 2023
Myxobacteria
are
famous
for
their
capacity
social
behavior
and
natural
product
biosynthesis.
The
unique
sociality
of
myxobacteria
is
not
only
an
intriguing
scientific
topic
but
also
the
main
limiting
factor
manipulation.
After
more
than
half
a
century
research,
series
genetic
techniques
have
been
developed,
rendering
these
mysterious
bacteria
manipulable.
Here,
we
review
advances
in
manipulation
myxobacteria,
with
particular
focus
on
exploitation
secondary
metabolism.
We
emphasize
necessity
urgency
constructing
myxobacterial
chassis
synthetic
biology
research
untapped