Predicting fungal secondary metabolite activity from biosynthetic gene cluster data using machine learning
Microbiology Spectrum,
Год журнала:
2024,
Номер
12(2)
Опубликована: Янв. 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.
Язык: Английский
How genomics can help unravel the evolution of endophytic fungi
World Journal of Microbiology and Biotechnology,
Год журнала:
2025,
Номер
41(5)
Опубликована: Апрель 28, 2025
Язык: Английский
Exploring Saccharomycotina Yeast Ecology Through an Ecological Ontology Framework
Yeast,
Год журнала:
2024,
Номер
41(10), С. 615 - 628
Опубликована: Сен. 18, 2024
ABSTRACT
Yeasts
in
the
subphylum
Saccharomycotina
are
found
across
globe
disparate
ecosystems.
A
major
aim
of
yeast
research
is
to
understand
diversity
and
evolution
ecological
traits,
such
as
carbon
metabolic
breadth,
insect
association,
cactophily.
This
includes
studying
aspects
traits
like
genetic
architecture
or
association
with
other
phenotypic
traits.
Genomic
resources
have
grown
rapidly.
Ecological
data,
however,
still
limited
for
many
species,
especially
those
only
known
from
species
descriptions
where
usually
a
number
strains
studied.
Moreover,
information
recorded
natural
language
format
limiting
high
throughput
computational
analysis.
To
address
these
limitations,
we
developed
an
ontological
framework
analysis
ecology.
total
1,088
were
added
Ontology
Yeast
Environments
(OYE)
analyzed
machine‐learning
connect
genotype
flexible
can
be
extended
additional
isolates,
environmental
sequencing
data.
Widespread
adoption
OYE
would
greatly
aid
study
macroecology
subphylum.
Язык: Английский
Convergent reductive evolution in bee-associated lactic acid bacteria
Applied and Environmental Microbiology,
Год журнала:
2024,
Номер
90(11)
Опубликована: Окт. 23, 2024
ABSTRACT
Distantly
related
organisms
may
evolve
similar
traits
when
exposed
to
environments
or
engaging
in
certain
lifestyles.
Several
members
of
the
Lactobacillaceae
[lactic
acid
bacteria
(LAB)]
family
are
frequently
isolated
from
floral
niche,
mostly
bees
and
flowers.
In
some
LAB
species
(henceforth
referred
as
bee-associated
LAB),
distinctive
genomic
(e.g.,
genome
reduction)
phenotypic
preference
for
fructose
over
glucose
fructophily)
features
were
recently
documented.
These
found
across
distantly
species,
raising
hypothesis
that
specific
evolved
convergently
during
adaptation
environment.
To
test
this
hypothesis,
we
examined
representative
genomes
369
non-bee-associated
LAB.
Phylogenomic
analysis
unveiled
seven
independent
ecological
shifts
toward
bee
environment
these
observed
significant
reductions
size,
gene
repertoire,
GC
content.
Using
machine
leaning,
could
distinguish
with
94%
accuracy,
based
on
absence
genes
involved
metabolism,
osmotic
stress,
DNA
repair.
Moreover,
most
important
learning
classifier
seemingly
lost,
independently,
multiple
lineages.
One
genes,
acetaldehyde–alcohol
dehydrogenase
(
adhE
),
encodes
a
bifunctional
aldehyde–alcohol
which
has
been
associated
evolution
fructophily,
rare
trait
is
pervasive
species.
results
suggest
phenotypes
largely
driven
by
losses
same
sets
genes.
IMPORTANCE
intimately
exhibit
unique
biochemical
properties
potential
food
applications
honeybee
health.
learning-based
approach,
our
study
shows
was
accompanied
trajectory
deeply
shaped
loss.
occurred
independently
linked
their
biotechnologically
relevant
traits,
such
(fructophily).
This
underscores
identifying
fingerprints
detecting
instances
convergent
evolution.
Furthermore,
it
sheds
light
onto
particularities
bacteria,
thereby
deepening
understanding
positive
impact
Язык: Английский
Convergent reductive evolution in bee-associated lactic acid bacteria
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 3, 2024
Abstract
Distantly
related
organisms
may
evolve
similar
traits
when
exposed
to
environments
or
engaging
in
certain
lifestyles.
Several
members
of
the
Lactobacillaceae
(LAB)
family
are
frequently
isolated
from
floral
niche,
mostly
bees
and
flowers.
In
some
LAB
species
(henceforth
referred
as
bee-
associated),
distinctive
genomic
(e.g.,
genome
reduction)
phenotypic
preference
for
fructose
over
glucose
fructophily)
features
were
recently
documented.
These
found
across
distantly
species,
raising
hypothesis
that
specific
evolved
convergently
during
adaptation
environment.
To
test
this
hypothesis,
we
examined
representative
genomes
369
bee-associated
non-bee-associated
LAB.
Phylogenomic
analysis
unveiled
seven
independent
ecological
shifts
towards
niche
these
LAB,
observed
pervasive,
significant
reductions
size,
gene
repertoire,
GC
content.
Using
machine
leaning,
could
distinguish
with
94%
accuracy,
based
on
absence
genes
involved
metabolism,
osmotic
stress,
DNA
repair.
Moreover,
most
important
learning
classifier
seemingly
lost,
independently,
multiple
lineages.
One
genes,
adhE
,
encodes
a
bifunctional
aldehyde-alcohol
dehydrogenase
associated
evolution
fructophily,
rare
trait
was
identified
many
species.
results
suggest
phenotypes
has
been
largely
driven
by
loss
same
set
genes.
Importance
lactic
acid
bacteria
intimately
exhibit
unique
biochemical
properties
potential
food
applications
honeybee
health.
machine-learning
approach,
our
study
shows
bee
environment
accompanied
trajectory
deeply
shaped
loss.
losses
occurred
independently
linked
their
biotechnologically
relevant
traits,
such
(fructophily).
This
underscores
identifying
fingerprints
detecting
instances
convergent
evolution.
Furthermore,
it
sheds
light
onto
particularities
bacteria,
thereby
deepening
understanding
positive
impact
Язык: Английский