Critical Reviews in Microbiology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 40
Published: Jan. 25, 2024
Microbial
communities
thrive
through
interactions
and
communication,
which
are
challenging
to
study
as
most
microorganisms
not
cultivable.
To
address
this
challenge,
researchers
focus
on
the
extracellular
space
where
communication
events
occur.
Exometabolomics
interactome
analysis
provide
insights
into
molecules
involved
in
dynamics
of
their
interactions.
Advances
sequencing
technologies
computational
methods
enable
reconstruction
taxonomic
functional
profiles
microbial
using
high-throughput
multi-omics
data.
Network-based
approaches,
including
community
flux
balance
analysis,
aim
model
molecular
within
between
communities.
Despite
these
advances,
challenges
remain
computer-assisted
biosynthetic
capacities
elucidation,
requiring
continued
innovation
collaboration
among
diverse
scientists.
This
review
provides
current
state
future
directions
elucidation
studying
Science,
Journal Year:
2023,
Volume and Issue:
381(6653)
Published: July 6, 2023
Resource
allocation
affects
the
structure
of
microbiomes,
including
those
associated
with
living
hosts.
Understanding
degree
to
which
this
dependency
determines
interspecies
interactions
may
advance
efforts
control
host-microbiome
relationships.
We
combined
synthetic
community
experiments
computational
models
predict
interaction
outcomes
between
plant-associated
bacteria.
mapped
metabolic
capabilities
224
leaf
isolates
from
Arabidopsis
thaliana
by
assessing
growth
each
strain
on
45
environmentally
relevant
carbon
sources
in
vitro.
used
these
data
build
curated
genome-scale
for
all
strains,
we
simulate
>17,500
interactions.
The
recapitulated
observed
planta
>89%
accuracy,
highlighting
role
utilization
and
contributions
niche
partitioning
cross-feeding
assembly
microbiomes.
PLoS ONE,
Journal Year:
2023,
Volume and Issue:
18(1), P. e0280077 - e0280077
Published: Jan. 6, 2023
Flux
balance
analysis
(FBA)
remains
one
of
the
most
used
methods
for
modeling
entirety
cellular
metabolism,
and
a
range
applications
extensions
based
on
FBA
framework
have
been
generated.
Dynamic
flux
(dFBA),
expansion
into
time
domain,
still
has
issues
regarding
accessibility
limiting
its
widespread
adoption
application,
such
as
lack
consistently
rigid
formalism
tools
that
can
be
applied
without
expert
knowledge.
Recent
work
combined
dFBA
with
enzyme-constrained
(decFBA),
which
shown
to
greatly
improve
accuracy
in
comparison
computational
simulations
experimental
data,
but
approaches
generally
do
not
take
account
fact
altering
enzyme
composition
cell
is
an
instantaneous
process.
Here,
we
developed
decFBA
method
explicitly
takes
change
constraints
(ecc)
account,
decFBAecc.
The
resulting
software
simple
yet
flexible
using
genome-scale
metabolic
domain
full
interoperability
COBRA
Toolbox
3.0.
To
assess
quality
predictions
decFBAecc,
conducted
diauxic
growth
fermentation
experiment
Escherichia
coli
BW25113
glucose
minimal
M9
medium.
data
dFBA,
decFBAecc
demonstrates
how
systematic
analyses
within
fixed
constraint-based
aid
study
model
parameters.
Finally,
explaining
experimentally
observed
phenotypes,
our
importance
non-linear
dependence
exchange
fluxes
medium
metabolite
concentrations
non-instantaneous
composition,
effects
previously
accounted
analysis.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2023,
Volume and Issue:
378(1877)
Published: April 2, 2023
Epistatic
interactions
between
mutations
add
substantial
complexity
to
adaptive
landscapes
and
are
often
thought
of
as
detrimental
our
ability
predict
evolution.
Yet,
patterns
global
epistasis,
in
which
the
fitness
effect
a
mutation
is
well-predicted
by
its
genetic
background,
may
actually
be
help
efforts
reconstruct
infer
trajectories.
Microscopic
mutations,
or
inherent
nonlinearities
landscape,
cause
epistasis
emerge.
In
this
brief
review,
we
provide
succinct
overview
recent
work
about
with
an
emphasis
on
building
intuition
why
it
observed.
To
end,
reconcile
simple
geometric
reasoning
mathematical
analyses,
using
these
explain
different
empirical
landscape
exhibit
patterns-ranging
from
diminishing
increasing
returns.
Finally,
highlight
open
questions
research
directions.
This
article
part
theme
issue
'Interdisciplinary
approaches
predicting
evolutionary
biology'.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Sept. 13, 2024
Microbial
carbon
use
efficiency
(CUE)
affects
the
fate
and
storage
of
in
terrestrial
ecosystems,
but
its
global
importance
remains
uncertain.
Accurately
modeling
predicting
CUE
on
a
scale
is
challenging
due
to
inconsistencies
measurement
techniques
complex
interactions
climatic,
edaphic,
biological
factors
across
scales.
The
link
between
microbial
soil
organic
relies
stabilization
necromass
within
aggregates
or
association
with
minerals,
necessitating
an
integration
processes
approaches.
In
this
perspective,
we
propose
comprehensive
framework
that
integrates
diverse
data
sources,
ranging
from
genomic
information
traditional
assessments,
refine
cycle
models
by
incorporating
variations
CUE,
thereby
enhancing
our
understanding
contribution
cycling.
BMC Bioinformatics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Jan. 23, 2024
Abstract
Background
Given
a
genome-scale
metabolic
model
(GEM)
of
microorganism
and
criteria
for
optimization,
flux
balance
analysis
(FBA)
predicts
the
optimal
growth
rate
its
corresponding
distribution
specific
medium.
FBA
has
been
extended
to
microbial
consortia
thus
can
be
used
predict
interactions
by
comparing
in-silico
rates
co-
monocultures.
Although
FBA-based
methods
interaction
prediction
are
becoming
popular,
systematic
evaluation
their
accuracy
not
yet
performed.
Results
Here,
we
evaluate
predictions
human
mouse
gut
bacterial
using
data
from
literature.
For
this,
collected
26
GEMs
semi-curated
AGORA
database
as
well
four
previously
published
curated
GEMs.
We
tested
three
tools
(COMETS,
Microbiome
Modeling
Toolbox
MICOM)
predicted
in
mono-
co-culture
extracted
literature
also
investigated
impact
different
tool
settings
media.
found
that
except
GEMs,
ratios
(i.e.
strengths)
do
correlate
with
strengths
obtained
vitro
data.
Conclusions
Prediction
is
currently
sufficiently
accurate
reliably.
Computational and Structural Biotechnology Journal,
Journal Year:
2021,
Volume and Issue:
19, P. 3892 - 3907
Published: Jan. 1, 2021
Microbes
propagate
and
thrive
in
complex
communities,
there
are
many
benefits
to
studying
engineering
microbial
communities
instead
of
single
strains.
Microbial
being
increasingly
leveraged
biotechnological
applications,
as
they
present
significant
advantages
such
the
division
labour
improved
substrate
utilisation.
Nevertheless,
also
some
interesting
challenges
surmount
for
design
efficient
processes.
In
this
review,
we
discuss
key
principles
interactions,
followed
by
a
deep
dive
into
genome-scale
metabolic
models,
focussing
on
vast
repertoire
constraint-based
modelling
methods
that
enable
us
characterise
understand
capabilities
communities.
Complementary
approaches
model
those
based
graph
theory,
briefly
discussed.
Taken
together,
these
provide
rich
insights
interactions
between
microbes
how
influence
community
productivity.
We
finally
overview
allow
generate
test
numerous
synthetic
compositions,
tools
methodologies
can
predict
effective
genetic
interventions
further
improve
productivity
With
impending
advancements
high-throughput
omics
stage
is
set
rapid
expansion
engineering,
with
impact
PLoS Computational Biology,
Journal Year:
2023,
Volume and Issue:
19(8), P. e1011363 - e1011363
Published: Aug. 14, 2023
Harnessing
the
power
of
microbial
consortia
is
integral
to
a
diverse
range
sectors,
from
healthcare
biotechnology
environmental
remediation.
To
fully
realize
this
potential,
it
critical
understand
mechanisms
behind
interactions
that
structure
and
determine
their
functions.
Constraint-based
reconstruction
analysis
(COBRA)
approaches,
employing
genome-scale
metabolic
models
(GEMs),
have
emerged
as
state-of-the-art
tool
simulate
behavior
communities
constituent
genomes.
In
last
decade,
many
tools
been
developed
use
COBRA
approaches
multi-species
consortia,
under
either
steady-state,
dynamic,
or
spatiotemporally
varying
scenarios.
Yet,
these
not
systematically
evaluated
regarding
software
quality,
most
suitable
application,
predictive
power.
Hence,
uncertain
which
users
should
apply
system
what
are
urgent
directions
developers
take
in
future
improve
existing
capacities.
This
study
conducted
systematic
evaluation
COBRA-based
for
using
datasets
two-member
test
cases.
First,
we
performed
qualitative
assessment
24
published
based
on
list
FAIR
(Findability,
Accessibility,
Interoperability,
Reusability)
features
essential
quality.
Next,
quantitatively
tested
predictions
subset
14
against
experimental
data
three
different
case
studies:
a)
syngas
fermentation
by
C.
autoethanogenum
kluyveri
static
tools,
b)
glucose/xylose
with
engineered
E.
coli
S.
cerevisiae
dynamic
c)
Petri
dish
enterica
incorporating
spatiotemporal
variation.
Our
results
show
performance
levels
best
qualitatively
assessed
when
examining
categories
tools.
The
differences
mathematical
formulation
relation
were
also
discussed.
Ultimately,
provide
recommendations
refining
GEM
modeling
npj Systems Biology and Applications,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Oct. 30, 2023
Abstract
In
systems
biology,
mathematical
models
and
simulations
play
a
crucial
role
in
understanding
complex
biological
systems.
Different
modelling
frameworks
are
employed
depending
on
the
nature
scales
of
system
under
study.
For
instance,
signalling
regulatory
networks
can
be
simulated
using
Boolean
modelling,
whereas
multicellular
studied
agent-based
modelling.
Herein,
we
present
PhysiBoSS
2.0,
hybrid
framework
that
allows
simulating
within
individual
cell
agents.
2.0
is
redesign
reimplementation
1.0
was
conceived
as
an
add-on
expands
PhysiCell
functionalities
by
enabling
simulation
intracellular
MaBoSS
while
keeping
decoupled,
maintainable
model-agnostic
design.
also
set
offered
to
users,
including
custom
specifications,
mechanistic
submodels
substrate
internalisation
detailed
control
over
parameters.
Together
with
introduce
PCTK,
Python
package
developed
for
handling
processing
outputs,
generating
summary
plots
3D
renders.
studying
interplay
between
microenvironment,
pathways
cellular
processes
population
dynamics,
suitable
cancer.
We
show
different
approaches
integrating
into
multi-scale
strategies
study
drug
effects
synergies
cancer
lines
validate
them
experimental
data.
open-source
publicly
available
GitHub
several
repositories
accompanying
interoperable
tools.