ChemBioChem,
Journal Year:
2023,
Volume and Issue:
24(11)
Published: March 2, 2023
The
sequencing
of
fungal
genomes
is
becoming
increasingly
accessible,
with
a
wealth
data
already
available.
In
parallel,
the
prediction
putative
biosynthetic
pathways
responsible
for
synthesis
potential
new
natural
products
also
increasing.
difficulty
translating
computational
analyses
into
available
compounds
evident,
slowing
down
process
that
was
thought
to
be
faster
advent
genomic
era.
Advances
in
gene
techniques
made
it
possible
genetically
modify
wider
range
organisms,
including
fungi
typically
considered
recalcitrant
DNA
manipulation.
However,
possibility
screening
many
cluster
activities
high-throughput
manner
remains
unfeasible.
Nonetheless,
some
updates
on
synthetic
biology
could
provide
interesting
insights
help
achieve
this
goal
future.
Microbiology Spectrum,
Journal Year:
2024,
Volume and Issue:
12(2)
Published: Jan. 9, 2024
Fungal
secondary
metabolites
(SMs)
contribute
to
the
diversity
of
fungal
ecological
communities,
niches,
and
lifestyles.
Many
SMs
have
one
or
more
medically
industrially
important
activities
(e.g.,
antifungal,
antibacterial,
antitumor).
The
genes
necessary
for
SM
biosynthesis
are
typically
located
right
next
each
other
in
genome
known
as
biosynthetic
gene
clusters
(BGCs).
However,
whether
bioactivity
can
be
predicted
from
specific
attributes
BGCs
remains
an
open
question.
We
adapted
machine
learning
models
that
bacterial
BGC
data
with
accuracies
high
80%
data.
trained
our
predict
cytotoxic/antitumor
on
two
sets:
(i)
(data
set
comprised
314
BGCs)
(ii)
(314
(1,003
BGCs).
found
had
balanced
between
51%
68%,
whereas
training
56%
68%.
low
prediction
accuracy
bioactivities
likely
stems
small
size
set;
this
lack
data,
coupled
finding
including
did
not
substantially
change
currently
limits
application
approaches
studies.
With
>15,000
characterized
SMs,
millions
putative
genomes,
increased
demand
novel
drugs,
efforts
systematically
link
urgently
needed.IMPORTANCEFungi
key
sources
natural
products
iconic
penicillin
statins.
DNA
sequencing
has
revealed
there
pathways
but
chemical
structures
>99%
produced
by
these
remain
unknown.
used
artificial
intelligence
diverse
pathways.
predictions
were
generally
low,
because
only
very
few
known.
products,
present
study
suggests
is
urgent
need
identify
pathways,
their
bioactivities.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(14), P. 9614 - 9622
Published: March 28, 2024
Glycosides
make
up
a
biomedically
important
class
of
secondary
metabolites.
Most
naturally
occurring
glycosides
were
isolated
from
plants
and
bacteria;
however,
the
chemical
diversity
glycosylated
natural
products
in
fungi
remains
largely
unexplored.
Herein,
we
present
paradigm
to
specifically
discover
diverse
bioactive
by
combining
tailoring
enzyme-guided
genome
mining
with
mass
spectrometry
(MS)-based
metabolome
analysis.
Through
Journal of Natural Products,
Journal Year:
2024,
Volume and Issue:
87(3), P. 576 - 582
Published: Jan. 17, 2024
Prenyltransferases
(PTs)
are
involved
in
the
biosynthesis
of
a
multitude
pharmaceutically
and
agriculturally
important
plant,
bacterial,
fungal
compounds.
Although
numerous
prenylated
compounds
have
been
isolated
from
Basidiomycota
(mushroom-forming
fungi),
knowledge
PTs
catalyzing
transfer
reactions
this
group
fungi
is
scarce.
Here,
we
report
biochemical
characterization
an
O-
C-prenylating
dimethylallyltryptophan
synthase
(DMATS)-like
enzyme
LpTyrPT
scurfy
deceiver
Laccaria
proxima.
This
PT
transfers
dimethylallyl
moieties
to
l-tyrosine
at
para-O
position
l-tryptophan
atom
C-7
represents
first
basidiomycete
described
so
far.
Phylogenetic
analysis
revealed
that
evolved
independently
their
ascomycete
counterparts
might
represent
evolutionary
origin
acting
on
phenolic
secondary
metabolism.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(26)
Published: April 30, 2024
Abstract
Dimeric
indole‐containing
diketopiperazines
(di‐DKPs)
are
a
diverse
group
of
natural
products
produced
through
cytochrome
P450‐catalyzed
C–C
or
C–N
coupling
reactions.
The
regio‐
and
stereoselectivity
these
reactions
plays
significant
role
in
the
structural
diversity
di‐DKPs.
Despite
their
pivotal
role,
mechanisms
governing
selectivity
fungi
not
fully
understood.
Employing
bioinformatics
analysis
heterologous
expression
experiments,
five
undescribed
P450
enzymes
(AmiP450,
AcrP450,
AtP450,
AcP450,
AtuP450)
responsible
for
stereoselective
dimerization
(DKPs)
identified.
function
P450s
is
consistent
with
phylogenetic
analysis,
highlighting
dominant
controlling
modes.
Combinatorial
biosynthesis‐based
pathway
reconstitution
non‐native
gene
clusters
expands
chemical
space
fungal
di‐DKPs
reveals
that
regioselectivity
influenced
by
substrate.
Furthermore,
multiple
sequence
alignment
molecular
docking
demonstrate
C‐terminal
variable
region
near
substrate
tunnel
entrance
AtuP450
crucial
its
regioselectivity.
These
findings
only
reveal
secret
but
also
deepen
understanding
catalytic
specificity
involved
Acta Pharmaceutica Sinica B,
Journal Year:
2023,
Volume and Issue:
13(9), P. 3919 - 3929
Published: June 1, 2023
Depsides
and
depsidones
have
attracted
attention
for
biosynthetic
studies
due
to
their
broad
biological
activities
structural
diversity.
Previous
structure‒activity
relationships
indicated
that
triple
halogenated
display
the
best
anti-pathogenic
activity.
However,
gene
cluster
tailoring
steps
responsible
depsidone
nornidulin
(3)
remain
enigmatic.
In
this
study,
we
disclosed
complete
pathway
of
through
in
vivo
disruption,
heterologous
expression
vitro
biochemical
experiments.
We
demonstrated
an
unusual
depside
skeleton
biosynthesis
process
mediated
by
both
highly-reducing
polyketide
synthase
non-reducing
synthase,
which
is
distinct
from
common
biosynthesis.
This
was
subsequently
modified
two
in-cluster
enzymes
DepG
DepF
ether
bond
formation
decarboxylation,
respectively.
addition,
decarboxylase
exhibited
substrate
promiscuity
different
scaffold
substrates.
Finally,
interestingly,
discovered
a
halogenase
encoded
remotely
cluster,
catalyzes
triple-halogenation
produce
active
end
product
(3).
These
discoveries
provide
new
insights
further
understanding
derivatives.
Molecular Microbiology,
Journal Year:
2023,
Volume and Issue:
121(1), P. 18 - 25
Published: Nov. 13, 2023
Abstract
Where
does
one
draw
the
line
between
primary
and
secondary
metabolism?
The
answer
depends
on
perspective.
Microbial
metabolites
(SMs)
were
at
first
believed
not
to
be
very
important
for
producers
because
they
are
dispensable
growth
under
laboratory
conditions.
However,
such
compounds
become
in
natural
niches
of
organisms,
some
prime
importance
humanity.
Polyketides
an
group
SMs
with
aflatoxin
as
a
well‐known
well‐characterized
example.
In
Aspergillus
spp.,
all
34
afl
genes
encoding
enzymes
biosynthesis
located
close
vicinity
chromosome
III
so‐called
gene
cluster.
This
led
assumption
that
most
required
polyketide
organized
clusters.
Recent
research,
however,
revealed
enormous
complexity
different
polyketides,
ranging
from
individual
synthases
cluster
producing
several
compounds,
or
clusters
additional
scattered
genome
production
compound.
Research
last
decade
furthermore
huge
potential
SM
hidden
fungal
genomes,
methods
developed
wake
up
sleeping
genes.
analysis
organismic
interactions
starts
reveal
ecological
functions
polyketides
fungi.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 26, 2024
Abstract
Cytochrome
P450
(CYP450)‐catalyzed
oxidative
coupling
is
an
efficient
strategy
for
using
simple
building
blocks
to
construct
complex
structural
scaffolds
of
natural
products.
Among
them,
heterodimeric
between
two
different
monomers
relatively
scarce,
and
the
corresponding
CYP450s
are
largely
undiscovered.
In
this
study,
we
discovered
a
fungal
CYP450
(CpsD)
its
associated
cps
cluster
from
37208
Pfam
PF00067
family
member
database
subsequently
identified
group
new
skeleton
indole
piperazine
alkaloids
(campesines
A−G)
by
combination
genome
mining
heterologous
synthesis.
Importantly,
CpsD
mainly
catalyzes
intermolecular
heterocoupling
generate
unexpected
6/5/6/6/6/6/5/6
eight‐ring
scaffold
through
formation
one
C−C
bond
C−N
bonds,
illuminating
first
dimerase
role
in
The
proposed
catalytic
mechanism
was
deeply
investigated
diversified
substrate
derivatization.
Moreover,
dimeric
campesine
G
shows
good
insecticidal
activity
against
global
honeybee
pest
Galleria
mellonella
.
Our
study
representative
example
discovering
monomeric
microbial
resources,
expands
our
knowledge
supports
further
development
newly
engineered
compounds
as
potential
biopesticides.
Journal of Natural Products,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 30, 2025
Malfilamentosides
are
a
class
of
fungal
secondary
metabolites
characterized
by
glycosylated
furanone
scaffold;
however,
the
enzyme
that
catalyzes
O-glycosylation
core
with
N-acetylglucosamine
(GlcNAc)
has
not
yet
been
identified.
In
this
study,
we
discovered
and
identified
biosynthetic
gene
cluster
malfilamentosides.
vivo
in
vitro
investigations
revealed
glycosyltransferase,
MftB,
scaffold
GlcNAc.
Furthermore,
MftB
exhibits
broad
promiscuity
toward
glycosyl
donors
acceptors,
highlighting
its
potential
glycoside
production.