Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(34), P. 23933 - 23942
Published: Aug. 14, 2024
Nature
uses
compact
but
functionalized
biosynthetic
fragments
as
building
blocks
to
generate
complex
natural
products.
To
leverage
this
strategy
for
the
discovery
of
products
with
new
scaffolds,
we
performed
genome
mining
identify
gene
clusters
(BGCs)
in
fungi
that
embed
genes
can
synthesize
targeted
fragments.
The
three-enzyme
pathway
biosynthesizes
strained
dityrosine
cyclophane
herquline
A
was
used
a
large
number
potential
BGCs
may
use
fragment.
Characterization
conserved
BGC
from
fungal
strains
led
isolation
octacyclin
A,
an
octacyclic
product
unprecedented
structure,
including
two
hetero-[3.3.1]bicycles
and
combination
fused,
bridged,
macrocyclic
rings.
Biosynthetic
steps
leading
were
fully
elucidated
using
reconstitution
enzymatic
assays,
unveiling
intriguing
chemical
logic
reactions
core.
Our
work
demonstrates
utility
fragment-guided
expanding
space.
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(8), P. 3314 - 3329
Published: Feb. 21, 2022
Natural
products
are
the
result
of
Nature's
exploration
biologically
relevant
chemical
space
through
evolution
and
an
invaluable
source
bioactive
small
molecules
for
biology
medicinal
chemistry.
Novel
concepts
discovery
new
compound
classes
based
on
natural
product
structure
may
enable
wider
space.
The
pseudo-natural
concept
merges
relevance
with
efficient
by
means
fragment-based
development
to
inspire
matter
de
novo
combination
fragments
in
unprecedented
arrangements.
novel
scaffolds
retain
biological
but
not
obtainable
known
biosynthetic
pathways
which
can
lead
chemotypes
that
have
unexpected
or
bioactivities.
Herein,
we
cover
workflow
design
development,
highlight
recent
examples,
discuss
a
cheminformatic
analysis
significant
portion
active
synthetic
compounds
were
found
be
products.
We
compare
as
human-made
equivalent,
i.e.
structure.
Fungal Diversity,
Journal Year:
2024,
Volume and Issue:
125(1), P. 1 - 71
Published: March 20, 2024
Abstract
The
field
of
mycology
has
grown
from
an
underappreciated
subset
botany,
to
a
valuable,
modern
scientific
discipline.
As
this
study
grown,
there
have
been
significant
contributions
science,
technology,
and
industry,
highlighting
the
value
fungi
in
era.
This
paper
looks
at
current
research,
along
with
existing
limitations,
suggests
future
areas
where
scientists
can
focus
their
efforts,
mycology.
We
show
how
become
important
emerging
diseases
medical
discuss
trends
potential
drug
novel
compound
discovery.
explore
phylogenomics,
its
potential,
outcomes
address
question
phylogenomics
be
applied
fungal
ecology.
In
addition,
functional
genomics
studies
are
discussed
importance
unravelling
intricate
mechanisms
underlying
behaviour,
interactions,
adaptations,
paving
way
for
comprehensive
understanding
biology.
look
research
building
materials,
they
used
as
carbon
sinks,
biocircular
economies.
numbers
always
great
interest
often
written
about
estimates
varied
greatly.
Thus,
we
needs
order
obtain
more
reliable
estimates.
aspects
machine
learning
(AI)
it
mycological
research.
Plant
pathogens
affecting
food
production
systems
on
global
scale,
such,
needed
area,
particularly
disease
detection.
latest
data
High
Throughput
Sequencing
if
still
gaining
new
knowledge
same
rate
before.
A
review
nanotechnology
is
provided
addressed.
Arbuscular
Mycorrhizal
Fungi
addressed
acknowledged.
Fungal
databases
becoming
important,
therefore
provide
major
databases.
Edible
medicinal
huge
medicines,
especially
Asia
prospects
discussed.
Lifestyle
changes
(e.g.,
endophytes,
pathogens,
and/or
saprobes)
also
extremely
trend
special
issue
Diversity.
Biotechnology Advances,
Journal Year:
2021,
Volume and Issue:
54, P. 107866 - 107866
Published: Nov. 12, 2021
Natural
products
from
fungi
represent
an
important
source
of
biologically
active
metabolites
notably
for
therapeutic
agent
development.
Genome
sequencing
revealed
that
the
number
biosynthetic
gene
clusters
(BGCs)
in
is
much
larger
than
expected.
Unfortunately,
most
them
are
silent
or
barely
expressed
under
laboratory
culture
conditions.
Moreover,
many
nature
uncultivable
cannot
be
genetically
manipulated,
restricting
extraction
and
identification
bioactive
these
species.
Rapid
exploration
tremendous
cryptic
fungal
BGCs
necessitates
development
heterologous
expression
platforms,
which
will
facilitate
efficient
production
natural
cell
factories.
Host
selection,
BGC
assembly
methods,
promoters
used
expression,
metabolic
engineering
strategies
compartmentalization
pathways
key
aspects
consideration
to
develop
such
a
microbial
platform.
In
present
review,
we
summarize
current
progress
on
above
challenges
promote
research
effort
relevant
fields.
Natural Product Reports,
Journal Year:
2022,
Volume and Issue:
40(1), P. 89 - 127
Published: Sept. 20, 2022
Covering:
2010
to
2022Heterologous
expression
of
natural
product
biosynthetic
gene
clusters
(BGCs)
has
become
a
widely
used
tool
for
genome
mining
cryptic
pathways,
bottom-up
investigation
enzymes,
and
engineered
biosynthesis
new
variants.
In
the
field
fungal
products,
heterologous
complete
pathway
was
first
demonstrated
in
tenellin
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(9)
Published: Feb. 21, 2023
Sea
sponges
are
the
largest
marine
source
of
small-molecule
natural
products
described
to
date.
Sponge-derived
molecules,
such
as
chemotherapeutic
eribulin,
calcium-channel
blocker
manoalide,
and
antimalarial
compound
kalihinol
A,
renowned
for
their
impressive
medicinal,
chemical,
biological
properties.
Sponges
contain
microbiomes
that
control
production
many
isolated
from
these
invertebrates.
In
fact,
all
genomic
studies
date
investigating
metabolic
origins
sponge-derived
small
molecules
concluded
microbes—not
sponge
animal
host—are
biosynthetic
producers.
However,
early
cell-sorting
suggested
host
may
play
a
role
particularly
in
terpenoid
molecules.
To
investigate
genetic
underpinnings
biosynthesis,
we
sequenced
metagenome
transcriptome
an
isonitrile
sesquiterpenoid-containing
order
Bubarida.
Using
bioinformatic
searches
biochemical
validation,
identified
group
type
I
terpene
synthases
(TSs)
this
multiple
other
species,
first
enzyme
class
characterized
holobiome.
The
Bubarida
TS-associated
contigs
consist
intron-containing
genes
homologous
feature
GC
percentage
coverage
consistent
with
eukaryotic
sequences.
We
TS
homologs
five
different
species
geographically
distant
locations,
thereby
suggesting
broad
distribution
amongst
sponges.
This
work
sheds
light
on
secondary
metabolite
speaks
possibility
sponge-specific
originate
host.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(21), P. 14672 - 14684
Published: May 14, 2024
Pyridoxal
5′-phosphate
(PLP)-dependent
enzymes
are
the
most
versatile
biocatalysts
for
synthesizing
nonproteinogenic
amino
acids.
α,α-Disubstituted
quaternary
acids,
such
as
1-aminocyclopentane-1-carboxylic
acid
(cycloleucine),
useful
building
blocks
pharmaceuticals.
In
this
study,
starting
with
biosynthesis
of
fusarilin
A,
we
discovered
a
family
PLP-dependent
that
can
facilitate
tandem
carbon–carbon
forming
steps
to
catalyze
an
overall
[3
+
2]-annulation.
first
step,
cycloleucine
synthases
use
SAM
latent
electrophile
and
in
situ-generated
enamine
nucleophile
γ-substitution.
Whereas
previously
characterized
γ-replacement
protonate
resulting
α-carbon
release
acyclic
acid,
additional,
intramolecular
aldol
or
Mannich
reaction
nucleophilic
form
substituted
cyclopentane.
Overall,
net
2]-annulation
lead
2-hydroxy
2-aminocycloleucine
products.
These
studies
further
expand
biocatalytic
scope
enzymes.
Journal of the American Chemical Society,
Journal Year:
2020,
Volume and Issue:
142(23), P. 10506 - 10515
Published: May 20, 2020
Pyridoxal
phosphate
(PLP)-dependent
enzymes
can
catalyze
transformations
of
l-amino
acids
at
α,
β,
and
γ
positions.
These
are
frequently
involved
in
the
biosynthesis
nonproteinogenic
amino
as
building
blocks
natural
products
attractive
biocatalysts.
Here,
we
report
discovery
a
two-step
enzymatic
synthesis
(2S,6S)-6-methyl
pipecolate
1,
from
biosynthetic
pathway
citrinadin.
The
key
enzyme
CndF
is
PLP-dependent
catalyzes
(S)-2-amino-6-oxoheptanoate
3
that
equilibrium
with
cyclic
Schiff
base.
second
CndE
stereoselective
imine
reductase
gives
1.
Biochemical
characterization
showed
this
performs
γ-elimination
O-acetyl-l-homoserine
to
generate
vinylglycine
ketimine,
which
subjected
nucleophilic
attack
by
acetoacetate
form
new
Cγ-Cδ
bond
complete
γ-substitution
reaction.
displays
promiscuity
toward
different
β-keto
carboxylate
esters.
With
use
an
Aspergillus
strain
expressing
CndE,
feeding
various
alkyl-β-keto
esters
led
6-substituted
l-pipecolates.
expands
repertoire
reactions
be
catalyzed
enzymes.
Journal of the American Chemical Society,
Journal Year:
2020,
Volume and Issue:
142(46), P. 19668 - 19677
Published: Nov. 6, 2020
Fusaric
acid
(FA)
is
a
well-known
mycotoxin
that
plays
an
important
role
in
plant
pathology.
The
biosynthetic
gene
cluster
for
FA
has
been
identified,
but
the
pathway
remains
unclarified.
Here,
we
elucidated
biosynthesis
of
FA,
which
features
two-enzyme
catalytic
cascade,
pyridoxal
5′-phosphate
(PLP)-dependent
enzyme
(Fub7),
and
flavin
mononucleotide
(FMN)-dependent
oxidase
(Fub9)
synthesizing
picolinic
scaffold.
also
involves
off-line
collaboration
between
highly
reducing
polyketide
synthase
(HRPKS,
Fub1)
nonribosomal
peptide
synthetase
(NRPS)-like
carboxylic
reductase
(Fub8)
making
aliphatic
α,β-unsaturated
aldehyde.
By
harnessing
stereoselective
C–C
bond-forming
activity
Fub7,
established
chemoenzymatic
route
stereoconvergent
synthesis
series
5-alkyl-,
5,5-dialkyl-,
5,5,6-trialkyl-l-pipecolic
acids
high
diastereomeric
ratio.