Integrating Ultra‐High‐Performance Liquid Chromatography and Orbitrap High‐Resolution Mass Spectrometry, Feature‐Based Molecular Networking, and Network Medicine to Unlock Harvesting Strategies for Endangered Sinocalycanthus Chinensis
Journal of Separation Science,
Год журнала:
2025,
Номер
48(1)
Опубликована: Янв. 1, 2025
Evaluating
the
practical
utility
of
endangered
plant
species
is
crucial
for
their
conservation.
Nevertheless,
numerous
plants,
including
Sinocalycanthus
chinensis,
lack
historical
usage
data,
leading
to
a
paucity
guidance
in
traditional
pharmacological
research.
This
gap
impedes
development
and
potential
utilization.
Ultra-high-performance
liquid
chromatography
Orbitrap
high-resolution
mass
spectrometry
were
employed
analyze
S.
chinensis
leaves
collected
at
different
harvesting
times.
Then,
metabolites
automatically
annotated
by
self-built
R
script
conjunction
with
characteristic
fragment
ions,
neutral
loss
filtering,
feature-based
molecular
networking.
By
integrating
metabolomics
network
medicine
analysis,
optimal
harvest
times
unlocked.
A
total
305
identified,
66.8%
script.
progressive
increase
metabolite
disparities
was
observed
from
May
August,
followed
relatively
minor
distinction
August
October.
Notably
diverse
detected
harvested
during
periods,
implying
variations
efficacy.
Network
analysis
indicated
possible
therapeutic
implications
lung
cancer,
diabetes,
bladder
Alzheimer's
disease.
Samples
September
demonstrated
exceptional
Harvesting
strategically
conducted
these
months
based
on
sample
characteristics
content,
tailored
intended
applications
dietary
or
medicinal
purposes.
study
developed
an
efficient
methodology
investigating
exploring
food
herbal
medicine.
Consequently,
it
provides
technical
support
sustainable
conservation
plants
limited
clinical
application
experience.
Язык: Английский
Seasonal changes in bay water column properties and their influence on the distribution of dissolved and particulate substances along the south coast of Curaçao (Caribbean Sea)
V Sanchez Baranco,
L. Schellenberg,
Furu Mienis
и другие.
Marine Pollution Bulletin,
Год журнала:
2025,
Номер
212, С. 117545 - 117545
Опубликована: Янв. 16, 2025
As
endpoints
of
watersheds,
bays
concentrate
erosion-
and
human-derived
substances
such
as
dissolved
inorganic
nutrients
pollutants.
We
investigated
the
water
movement
biogeochemistry
two
in
Curaçao:
Piscadera
Bay
Spaanse
Water,
during
dry
(May
2022
2023)
wet
seasons
(November
2021
2023).
Bay-ocean
exchange
was
limited
season,
enhancing
nutrient
concentrations
bays.
The
season
showed
increased
mixing
between
bay
offshore
water.
Extreme
rainfall
from
2023
El
Niño
event
led
to
heavy
runoff
wastewater
influx,
particularly
Bay,
where
enriched
δ15N
total
xenobiotic
were
over
1.5
times
higher
than
season.
Elevated
δ13C
values
reflected
greater
terrestrial
influence
Bay.
These
findings
show
how
extreme
weather,
likely
under
future
climate
scenarios,
can
enhance
pollutant
export
reefs.
Язык: Английский
A guide to reverse metabolomics—a framework for big data discovery strategy
Nature Protocols,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Язык: Английский
Analysis of plant metabolomics data using identification‐free approaches
Applications in Plant Sciences,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 1, 2025
Abstract
Plant
metabolomes
are
structurally
diverse.
One
of
the
most
popular
techniques
for
sampling
this
diversity
is
liquid
chromatography–mass
spectrometry
(LC‐MS),
which
typically
detects
thousands
peaks
from
single
organ
extracts,
many
representing
true
metabolites.
These
usually
annotated
using
in‐house
retention
time
or
spectral
libraries,
in
silico
fragmentation
and
increasingly
through
computational
such
as
machine
learning.
Despite
these
advances,
over
85%
LC‐MS
remain
unidentified,
posing
a
major
challenge
data
analysis
biological
interpretation.
This
bottleneck
limits
our
ability
to
fully
understand
diversity,
functions,
evolution
plant
In
review,
we
first
summarize
current
approaches
metabolite
identification,
highlighting
their
challenges
limitations.
We
further
focus
on
alternative
strategies
that
bypass
need
allowing
researchers
interpret
global
metabolic
patterns
pinpoint
key
signals.
methods
include
molecular
networking,
distance‐based
approaches,
information
theory–based
metrics,
discriminant
analysis.
Additionally,
explore
practical
applications
science
highlight
set
useful
tools
support
analyzing
complex
metabolomics
data.
By
adopting
can
enhance
uncover
new
insights
into
metabolism.
Язык: Английский
Dereplication of secondary metabolites from Sophora flavescens using an LC–MS/MS-based molecular networking strategy
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 24, 2025
A
dereplication
strategy
was
developed
for
the
screening
of
secondary
metabolites
from
Sophora
flavescens.
The
consisted
4
procedures.
First,
extract
flavescens
root
subjected
to
LC–MS/MS
analysis
with
both
data-independent
acquisition
(DIA)
mode
and
data-dependent
(DDA)
mode.
Then
DIA
results
were
used
construct
a
molecular
networking
(MN)
according
GNPS
workflow
consequently
obtain
annotations.
In
parallel,
DDA
projected
MN
direct
databases
matching
Finally,
isomers
discriminated
annotated
by
their
extracted
ion
chromatogram.
Through
combination
these
approaches,
total
51
compounds
dereplicated
in
samples.
annotation
showed
approach
are
complementary
each
other.
on
can
overcome
challenges
trace
compound
identification
compared
DB
matching.
This
provides
powerful
tool
study
plant
chemistry.
Язык: Английский
Combined LC-MS/MS feature grouping, statistical prioritization, and interactive networking in msFeaST
Bioinformatics,
Год журнала:
2024,
Номер
40(10)
Опубликована: Сен. 26, 2024
Abstract
Summary
Computational
metabolomics
workflows
have
revolutionized
the
untargeted
field.
However,
organization
and
prioritization
of
metabolite
features
remains
a
laborious
process.
Organizing
data
is
often
done
through
mass
fragmentation-based
spectral
similarity
grouping,
resulting
in
feature
sets
that
also
represent
an
intuitive
scientifically
meaningful
first
stage
analysis
metabolomics.
Exploiting
such
sets,
feature-set
testing
has
emerged
as
approach
widely
used
genomics
targeted
pathway
enrichment
analyses.
It
allows
for
formally
combining
groupings
with
statistical
into
more
conclusions.
Here,
we
present
msFeaST
(mass
Feature
Set
Testing),
visualization
workflow
LC-MS/MS
data.
Feature-set
involves
statistically
assessing
differential
abundance
patterns
groups
across
experimental
conditions.
We
developed
to
make
use
similarity-based
generated
using
k-medoids
clustering,
where
clusters
serve
proxy
grouping
structurally
similar
potential
biosynthesis
relationships.
Spectral
clustering
this
way
group-wise
globaltest
package,
which
provides
high
power
detect
small
concordant
effects
via
joint
modeling
reduced
multiplicity
adjustment
penalties.
Hence,
interactive
integration
semi-quantitative
information
mass-spectral
structural
information,
enhancing
during
exploratory
analysis.
Availability
implementation
The
freely
available
https://github.com/kevinmildau/msFeaST
built
work
on
MacOS
Linux
systems.
Язык: Английский
Effective data visualization strategies in untargeted metabolomics
Natural Product Reports,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 2, 2024
Covering:
2014
to
2023
for
metabolomics,
2002
information
visualizationLC-MS/MS-based
untargeted
metabolomics
is
a
rapidly
developing
research
field
spawning
increasing
numbers
of
computational
tools
assisting
researchers
with
their
complex
data
processing,
analysis,
and
interpretation
tasks.
In
this
article,
we
review
the
entire
workflow
from
perspective
visualization,
visual
analytics
integration.
Data
visualization
crucial
step
at
every
stage
workflow,
where
it
provides
core
components
inspection,
evaluation,
sharing
capabilities.
However,
due
large
number
available
analysis
corresponding
components,
hard
both
users
developers
get
an
overview
what
already
which
are
suitable
analysis.
addition,
there
little
cross-pollination
between
fields
leaving
be
designed
in
secondary
mostly
ad
hoc
fashion.
With
review,
aim
bridge
gap
visualization.
First,
introduce
as
topic
worthy
its
own
dedicated
research,
provide
primer
on
cutting-edge
into
well
active
metabolomics.
We
extend
discussion
best
practices
they
have
emerged
studies.
Second,
practical
roadmap
tool
landscape
use
within
field.
Here,
several
stages
commonly
used
strategies
examples.
context,
will
also
outline
promising
areas
further
development.
end
set
recommendations
how
make
visualizations
more
effective
transparent
communication
results.
Язык: Английский