Nontargeted
high-resolution
mass
spectrometry
(HRMS)
allows
for
the
characterization
of
a
large
fraction
exposome,
i.e.,
entirety
chemicals
an
organism
is
exposed
to,
and
helps
detect
important
exogenous
chemical
compounds
that
could
be
key
drivers
toxicological
impact.
Along
with
these
occur
endogenous
metabolites
are
essential
health
host
organism.
Chemical
derived
from
biotransformation
xenobiotics
present
in
exposome
referred
to
as
xenometabolome,
while
endometabolome.
Recent
advancements
HRMS
technology
allow
detection
features
biological
ecological
importance
context
safety
assessments
unprecedented
sensitivity
resolution.
In
this
perspective,
we
highlight
application
HRMS-based
metabolomics
organisms
ecotoxicology,
complexity
comprehensively
characterizing
endometabolome,
distinguishing
xenometabolome.
The
increasing
application
of
meta-omics
approaches
to
investigate
the
structure,
function,
and
intercellular
interactions
microbial
communities
has
led
a
surge
in
available
data.
However,
this
abundance
human
environmental
microbiome
data
exposed
new
scalability
challenges
for
existing
bioinformatics
tools.
In
response,
we
introduce
Wekemo
Bioincloud-a
specialized
platform
-omics
studies.
This
offers
comprehensive
analysis
solution,
specifically
designed
alleviate
tool
selection
users
face
expanding
sets.
As
now,
Bioincloud
been
regularly
equipped
with
22
workflows
65
visualization
tools,
establishing
itself
as
user-friendly
widely
embraced
studying
diverse
Additionally,
enables
online
modification
vector
outputs,
registration-independent
personalized
dashboard
system
ensures
privacy
traceability.
is
freely
at
https://www.bioincloud.tech/.
Briefings in Bioinformatics,
Journal Year:
2022,
Volume and Issue:
24(1)
Published: Nov. 15, 2022
Global
or
untargeted
metabolomics
is
widely
used
to
comprehensively
investigate
metabolic
profiles
under
various
pathophysiological
conditions
such
as
inflammations,
infections,
responses
exposures
interactions
with
microbial
communities.
However,
biological
interpretation
of
global
data
remains
a
daunting
task.
Recent
years
have
seen
growing
applications
pathway
enrichment
analysis
based
on
putative
annotations
liquid
chromatography
coupled
mass
spectrometry
(LC-MS)
peaks
for
functional
LC-MS-based
data.
due
intricate
peak-metabolite
and
metabolite-pathway
relationships,
considerable
variations
are
observed
among
results
obtained
using
different
approaches.
There
an
urgent
need
benchmark
these
approaches
inform
the
best
practices.We
conducted
study
common
peak
annotation
methods
in
current
studies.
Representative
approaches,
including
three
four
methods,
were
selected
benchmarked
scenarios.
Based
results,
we
provided
set
recommendations
regarding
annotation,
ranking
metrics
feature
selection.
The
overall
better
performance
was
mummichog
approach.
We
that
~30%
rate
sufficient
achieve
high
recall
(~90%
mummichog),
semi-annotated
improves
interpretation.
platforms
further
propose
identifiability
index
indicate
possibility
being
reliably
identified.
Finally,
evaluated
all
11
COVID-19
8
inflammatory
bowel
diseases
(IBD)
datasets.
Nucleic Acids Research,
Journal Year:
2024,
Volume and Issue:
52(W1), P. W415 - W421
Published: May 29, 2024
Enrichment
analysis,
crucial
for
interpreting
genomic,
transcriptomic,
and
proteomic
data,
is
expanding
into
metabolomics.
Furthermore,
there
a
rising
demand
integrated
enrichment
analysis
that
combines
data
from
different
studies
omics
platforms,
as
seen
in
meta-analysis
multi-omics
research.
To
address
these
growing
needs,
we
have
updated
WebGestalt
to
include
capabilities
both
metabolites
multiple
input
lists
of
analytes.
We
also
significantly
increased
speed,
revamped
the
user
interface,
introduced
new
pathway
visualizations
accommodate
updates.
Notably,
adoption
Rust
backend
reduced
gene
set
time
by
95%
270.64
12.41
s
network
topology-based
89%
159.59
17.31
our
evaluation.
This
performance
improvement
accessible
R
package
newly
Python
package.
Additionally,
database
reflect
current
status
each
source
expanded
collection
pathways,
networks,
signatures.
The
2024
update
represents
significant
leap
forward,
offering
support
metabolomics,
streamlined
capabilities,
remarkable
enhancements.
Discover
updates
more
at
https://www.webgestalt.org.
Frontiers in Molecular Biosciences,
Journal Year:
2022,
Volume and Issue:
9
Published: April 27, 2022
During
the
past
few
decades,
direct
analysis
of
metabolic
intermediates
in
biological
samples
has
greatly
improved
understanding
processes.
The
most
used
technologies
for
these
advances
have
been
mass
spectrometry
(MS)
and
nuclear
magnetic
resonance
(NMR)
spectroscopy.
NMR
is
traditionally
to
elucidate
molecular
structures
now
extended
complex
mixtures,
as
samples:
NMR-based
metabolomics.
There
are
however
other
areas
small
molecule
biochemistry
which
equally
powerful.
These
include
quantification
metabolites
(qNMR);
use
stable
isotope
tracers
determine
fate
drugs
or
nutrients,
unravelling
new
pathways,
flux
through
pathways;
metabolite-protein
interactions
regulation
pharmacological
effects.
Computational
tools
resources
automating
spectra
extracting
meaningful
biochemical
information
developed
tandem
contributes
a
more
detailed
systems
biochemistry.
In
this
review,
we
highlight
contribution
biochemistry,
specifically
studies
by
reviewing
state-of-the-art
methodologies
spectroscopy
future
directions.
PLoS Computational Biology,
Journal Year:
2022,
Volume and Issue:
18(8), P. e1010348 - e1010348
Published: Aug. 11, 2022
Pathway
enrichment
analysis
(PEA)
is
a
computational
biology
method
that
identifies
biological
functions
are
overrepresented
in
group
of
genes
more
than
would
be
expected
by
chance
and
ranks
these
relevance.
The
relative
abundance
pertinent
to
specific
pathways
measured
through
statistical
methods,
associated
functional
retrieved
from
online
bioinformatics
databases.
In
the
last
decade,
along
with
spread
internet,
higher
availability
resources
made
PEA
software
tools
easy
access
use
for
practitioners
worldwide.
Although
it
became
easier
tools,
also
make
mistakes
could
generate
inflated
or
misleading
results,
especially
beginners
inexperienced
biologists.
With
this
article,
we
propose
nine
quick
tips
avoid
common
out
complete,
sound,
thorough
PEA,
which
can
produce
relevant
robust
results.
We
describe
our
guidelines
simple
way,
so
they
understood
used
anyone,
including
students
beginners.
Some
explain
what
do
before
starting
others
suggestions
how
correctly
meaningful
some
final
indicate
useful
steps
properly
interpret
Our
help
users
perform
better
pathway
analyses
eventually
contribute
understanding
current
biology.
BMC Medicine,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: May 15, 2023
Abstract
Background
In
high-dimensional
data
(HDD)
settings,
the
number
of
variables
associated
with
each
observation
is
very
large.
Prominent
examples
HDD
in
biomedical
research
include
omics
a
large
such
as
many
measurements
across
genome,
proteome,
or
metabolome,
well
electronic
health
records
that
have
numbers
recorded
for
patient.
The
statistical
analysis
requires
knowledge
and
experience,
sometimes
complex
methods
adapted
to
respective
questions.
Methods
Advances
methodology
machine
learning
offer
new
opportunities
innovative
analyses
HDD,
but
at
same
time
require
deeper
understanding
some
fundamental
concepts.
Topic
group
TG9
“High-dimensional
data”
STRATOS
(STRengthening
Analytical
Thinking
Observational
Studies)
initiative
provides
guidance
observational
studies,
addressing
particular
challenges
studies
involving
HDD.
this
overview,
we
discuss
key
aspects
provide
gentle
introduction
non-statisticians
classically
trained
statisticians
little
experience
specific
Results
paper
organized
respect
subtopics
are
most
relevant
initial
analysis,
exploratory
multiple
testing,
prediction.
For
subtopic,
main
analytical
goals
settings
outlined.
these
goals,
basic
explanations
commonly
used
provided.
Situations
identified
where
traditional
cannot,
should
not,
be
setting,
adequate
analytic
tools
still
lacking.
Many
references
Conclusions
This
review
aims
solid
foundation
researchers,
including
non-statisticians,
who
simply
want
better
evaluate
understand
results
analyses.
Current Opinion in Chemical Biology,
Journal Year:
2023,
Volume and Issue:
74, P. 102288 - 102288
Published: March 24, 2023
The
computational
metabolomics
field
brings
together
computer
scientists,
bioinformaticians,
chemists,
clinicians,
and
biologists
to
maximize
the
impact
of
across
a
wide
array
scientific
medical
disciplines.
continues
expand
as
modern
instrumentation
produces
datasets
with
increasing
complexity,
resolution,
sensitivity.
These
must
be
processed,
annotated,
modeled,
interpreted
enable
biological
insight.
Techniques
for
visualization,
integration
(within
or
between
omics),
interpretation
data
have
evolved
along
innovation
in
databases
knowledge
resources
required
aid
understanding.
In
this
review,
we
highlight
recent
advances
reflect
on
opportunities
innovations
response
most
pressing
challenges.
This
review
was
compiled
from
discussions
2022
Dagstuhl
seminar
entitled
"Computational
Metabolomics:
From
Spectra
Knowledge".