Microbiome,
Journal Year:
2025,
Volume and Issue:
13(1)
Published: April 7, 2025
Abstract
Background
Antimicrobial
resistance
is
a
major
global
health
concern,
with
the
environment
playing
key
role
in
its
emergence
and
spread.
Understanding
relationships
between
environmental
factors,
microbial
communities,
mechanisms
vital
for
elucidating
resistome
dynamics.
In
this
study,
we
characterized
of
Baltic
Sea
evaluated
how
gradients
spatial
variability,
alongside
communities
associated
functional
genes,
influence
diversity
composition
across
geographic
regions.
Results
We
analyzed
metagenomes
benthic
sediments
from
59
monitoring
stations
1,150
km
distance
Sea,
revealing
an
comprised
predicted
antimicrobial
genes
(ARGs)
against
26
antibiotic
classes.
observed
variation
profile,
higher
northern
regions
decline
dead
zones
southern
areas.
The
combined
effects
salinity
temperature
gradients,
nutrient
availability,
created
complex
landscape
that
shaped
distribution
ARGs.
Salinity
predominantly
influenced
ARG
composition,
leading
to
clear
distinctions
high-saline
those
lower
mid-level
salinity.
Furthermore,
our
analysis
suggests
community
mobile
genetic
elements
might
be
crucial
shaping
composition.
Conclusions
presented
were
identified
as
primary
factors
influencing
regions,
availability
further
these
patterns
Sea.
Our
study
also
highlighted
interplay
resistance,
ecosystem,
underscoring
potential
element
distribution.
modulate
resistomes
will
help
predict
impact
future
changes
on
aquatic
ecosystems.
Pharmaceuticals,
Journal Year:
2023,
Volume and Issue:
16(11), P. 1615 - 1615
Published: Nov. 15, 2023
Antibiotics
have
revolutionized
medicine,
saving
countless
lives
since
their
discovery
in
the
early
20th
century.
However,
origin
of
antibiotics
is
now
overshadowed
by
alarming
rise
antibiotic
resistance.
This
global
crisis
stems
from
relentless
adaptability
microorganisms,
driven
misuse
and
overuse
antibiotics.
article
explores
subsequent
emergence
It
delves
into
mechanisms
employed
bacteria
to
develop
resistance,
highlighting
dire
consequences
drug
including
compromised
patient
care,
increased
mortality
rates,
escalating
healthcare
costs.
The
elucidates
latest
strategies
against
drug-resistant
encompassing
innovative
approaches
such
as
phage
therapy,
CRISPR-Cas9
technology,
exploration
natural
compounds.
Moreover,
it
examines
profound
impact
resistance
on
development,
rendering
pursuit
new
economically
challenging.
limitations
challenges
developing
novel
are
discussed,
along
with
hurdles
regulatory
process
that
hinder
progress
this
critical
field.
Proposals
for
modifying
facilitate
development
presented.
withdrawal
major
pharmaceutical
firms
research
examined,
potential
re-engage
interest.
also
outlines
initiatives
overcome
economic
incentivize
emphasizing
international
collaborations
partnerships.
Finally,
sheds
light
government-led
a
specific
focus
Middle
East.
discusses
proactive
measures
taken
governments
region,
Saudi
Arabia
United
Arab
Emirates,
combat
threat.
In
face
multifaceted
approach
imperative.
provides
valuable
insights
complex
landscape
challenges,
collaborative
efforts
required
ensure
future
where
remain
effective
tools
safeguarding
public
health.
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: June 8, 2024
Abstract
When
antimicrobial
resistant
bacteria
(ARB)
and
genes
(ARGs)
reach
novel
habitats,
they
can
become
part
of
the
habitat’s
microbiome
in
long
term
if
are
able
to
overcome
biotic
resilience
towards
immigration.
This
process
should
more
difficult
with
increasing
biodiversity,
as
exploitable
niches
a
given
habitat
reduced
for
immigrants
when
diverse
competitors
present.
Consequently,
microbial
diversity
could
provide
natural
barrier
resistance
by
reducing
persistence
time
immigrating
ARB
ARG.
To
test
this
hypothesis,
pan-European
sampling
campaign
was
performed
structured
forest
soil
dynamic
riverbed
environments
low
anthropogenic
impact.
In
soils,
higher
diversity,
evenness
richness
were
significantly
negatively
correlated
relative
abundance
>85%
ARGs.
Furthermore,
number
detected
ARGs
per
sample
inversely
diversity.
However,
no
such
effects
present
riverbeds.
Hence,
serve
dissemination
stationary,
environments,
where
long-term,
diversity-based
against
immigration
evolve.
mLife,
Journal Year:
2023,
Volume and Issue:
2(4), P. 350 - 364
Published: Dec. 1, 2023
The
emergence
and
rapid
spread
of
antimicrobial
resistance
is
global
public
health
concern.
gut
microbiota
harboring
diverse
commensal
opportunistic
bacteria
that
can
acquire
via
horizontal
vertical
gene
transfers
considered
an
important
reservoir
sink
antibiotic
genes
(ARGs).
In
this
review,
we
describe
the
reservoirs
ARGs
their
dynamics
in
both
animals
humans,
use
One
Health
perspective
to
track
transmission
ARG-containing
between
animals,
environment,
assess
impact
on
human
socioeconomic
development.
resistome
evolve
environment
subject
various
selective
pressures,
including
administration
environmental
lifestyle
factors
(e.g.,
diet,
age,
gender,
living
conditions),
interventions
through
probiotics.
Strategies
reduce
abundance
clinically
relevant
antibiotic-resistant
determinants
niches
are
needed
ensure
mitigation
acquired
resistance.
With
help
effective
measures
taken
at
national,
local,
personal,
intestinal
management,
it
will
also
result
preventing
or
minimizing
infectious
diseases.
This
review
aims
improve
our
understanding
correlations
provide
a
basis
for
development
management
strategies
mitigate
crisis.
mSphere,
Journal Year:
2024,
Volume and Issue:
9(2)
Published: Feb. 7, 2024
River
microbial
communities
regularly
act
as
the
first
barrier
of
defense
against
spread
antimicrobial
resistance
genes
(ARGs)
that
enter
environmental
microbiomes
through
wastewater.
However,
how
invasion
dynamics
wastewater-borne
ARGs
into
river
biofilm
will
shift
due
to
climate
change
with
increasing
average
and
peak
temperatures
remains
unknown.
Here,
we
aimed
elucidate
effects
on
naturally
occurring
resistome,
well
success
foreign
entering
Natural
biofilms
were
grown
in
a
low-anthropogenic
impact
transferred
artificial
laboratory
recirculation
flume
systems
operated
at
three
different
(20°C,
25°C,
30°C).
After
1
week
temperature
acclimatization,
significant
increases
abundance
detected
higher
temperatures.
this
acclimatization
period,
exposed
single
pulse
wastewater,
analyzed
over
2
weeks.
day,
able
invade
successfully
no
observable
effect
their
relative
abundance.
thereafter,
lost
far
increased
rate
30°C,
ARG
levels
dropping
initial
natural
after
14
days.
Contrary
lower
temperatures,
either
slower
rates
or
even
establish
themselves
stable
abundances
above
levels.
Hence,
come
contrary
resistomes:
increase
abundance,
while
foreign,
invading
are
elevated
speeds.IMPORTANCEInfections
bacteria
gained
antibiotics
taking
millions
lives
annually,
death
toll
predicted
increase.
environment
wastewater
enrichment
human
animal
microbiomes.
The
global
might
disrupt
by
altering
community
structure
functions.
We
consequently
explored
alter
communities.
At
coincided
decreased
from
Therefore,
predict
microbiomes,
it
is
imperative
consider
if
ecosystem
its
resistome
dominated
ARGs.
Frontiers in Water,
Journal Year:
2024,
Volume and Issue:
6
Published: March 18, 2024
The
global
threat
of
antimicrobial
resistance
(AMR)
is
now
increasingly
recognized
for
the
danger
posed
by
its
environmental
spread.
Aquatic
environments
and
wastewater
represent
a
significant
diffusion
selection
pathway
antibiotic
genes
resistant
bacteria
(ARGs
ARBs).
During
collaborative
hackathon
event,
“Innovation
Workshop
on
Water
Quality
Monitoring
&
Assessment,”
held
in
September
2023,
experts
addressed
four
challenges
related
to
water
quality,
including
challenge
globalization
AMR
surveillance
water.
This
paper,
derived
from
workshop
findings,
proposes
globally
adaptable
model
intended
as
an
advance
improve
future
monitoring
systems.
new
framework
aims
address
challenges,
such
lack
standardized
methodological
approaches
or
funding,
coordination,
awareness
across
short-,
medium-
long-term
plan,
integrating
sustainability
concepts,
extending
participation
capacity
countries,
offering
efficient
solutions.
vision
first
articulated
creating
technical
committee
that
promotes
develops
single
data
management
communication
platform.
Subsequently,
developing
local,
national,
international
policies,
centralized
laboratories
will
be
established
at
regional
level,
built
based
existing
realities.
These
include
facilities
make
analyses
more
efficient,
sampling
reporting
final
result.
In
long
term,
activities
allow
maintenance
created
continuous
technological
development
advancement
promoted.
All
this
achieved
collaboration
with
national
supranational
bodies
are
already
addressing
issue
level.
Frontiers in Water,
Journal Year:
2024,
Volume and Issue:
6
Published: May 17, 2024
Antimicrobial
resistance
(AMR)
is
a
world-wide
public
health
threat
that
projected
to
lead
10
million
annual
deaths
globally
by
2050.
The
AMR
issue
has
led
the
development
of
action
plans
combat
AMR,
including
improved
antimicrobial
stewardship,
new
antimicrobials,
and
advanced
monitoring.
National
Resistance
Monitoring
System
(NARMS)
United
States
(U.S)
Food
Drug
Administration
along
with
U.S.
Centers
for
Disease
Control
Department
Agriculture
monitored
resistant
bacteria
in
retail
meats,
humans,
food
animals
since
mid
1990’s.
NARMS
currently
exploring
an
integrated
One
Health
monitoring
model
recognizing
human,
animal,
plant,
environmental
systems
are
linked
health.
Since
2020,
Environmental
Protection
Agency
interagency
working
group
(EWG)
implement
surface
water
program
(SWAM)
at
watershed
national
scales.
EWG
divided
effort
into
five
areas:
(i)
defining
objectives
questions,
(ii)
designing
study/sampling
design,
(iii)
selecting
indicators,
(iv)
establishing
analytical
methods,
(v)
developing
data
management/analytics/metadata
plans.
For
each
these
areas,
consensus
among
scientific
community
literature
was
reviewed
carefully
considered
prior
this
program.
produced
from
SWAM
will
help
develop
robust
programs
goal
assessing
risks
associated
pathogens
(e.g.,
recreational
exposures),
provide
comprehensive
picture
how
strains
related
spatially
temporally
within
watershed,
assess
anthropogenic
drivers
intervention
strategies
impact
transmission
systems.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Oct. 14, 2024
Abstract
Background
Assembly
of
metagenomic
samples
can
provide
essential
information
about
the
mobility
potential
and
taxonomic
origin
antibiotic
resistance
genes
(ARGs)
inform
interventions
to
prevent
further
spread
resistant
bacteria.
However,
similar
other
conserved
regions,
such
as
ribosomal
RNA
mobile
genetic
elements,
almost
identical
ARGs
typically
occur
in
multiple
genomic
contexts
across
different
species,
representing
a
considerable
challenge
for
assembly
process.
Usually,
this
results
many
fragmented
contigs
unclear
origin,
complicating
risk
assessment
ARG
detections.
To
systematically
investigate
impact
issue
on
detection,
quantification
contextualization
ARGs,
we
evaluated
performance
approaches,
including
genomic-,
metagenomic-
transcriptomic-specialized
assemblers.
We
quantified
recovery
accuracy
rates
each
tool
both
from
silico
spiked
well
real
sequenced
using
long-
short-read
sequencing
technologies.
Results
The
revealed
that
none
investigated
tools
accurately
capture
present
high
complexity.
transcriptomic
assembler
Trinity
showed
better
terms
reconstructing
longer
fewer
matching
unique
contexts,
which
be
beneficial
deciphering
ARGs.
currently
commonly
used
metaSPAdes
MEGAHIT
were
able
identify
repertoire
but
failed
fully
recover
diversity
sample.
On
top
that,
complex
scenario
produced
very
short
contigs,
lead
underestimation
resistome
given
Conclusions
Our
study
shows
would
preferable
correct
around
characterized
by
uneven
coverages.
Overall,
inability
assemblers
reconstruct
long
ARG-containing
has
impacts
quantification,
suggesting
directly
mapping
reads
an
database
should
performed
complementary
strategy
get
accurate
abundance
measures.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
907, P. 167671 - 167671
Published: Oct. 7, 2023
Antimicrobial
resistance
(AMR)
can
be
transferred
to
humans
through
food
and
fresh
produce
an
ideal
vector,
as
it
is
often
consumed
raw
or
minimally
processed.
The
production
environment
of
the
agricultural
practices
regulations
vary
substantially
worldwide,
consequently,
contamination
sources
AMR.
In
this
study,
75
imported
non-imported
samples
purchased
from
Swiss
retailers
were
tested
for
presence
antimicrobial
resistant
bacteria
(ARB)
genes
(ARGs).
Moreover,
plasmidome
4
selected
was
sequenced
have
insight
on
diversity
mobile
resistome.
total,
91
ARB
isolated
produce,
mainly
cephalosporin-resistant
Enterobacterales
(n
=
64)
carbapenem-resistant
P.
aeruginosa
13).
All
aeruginosa,
well
16
Enterobacterales'
isolates
multidrug-resistant.
No
differences
between
found
regarding
number
ARB.
95
%
at
least
one
ARG
detected,
being
most
frequent
sul1,
blaTEM,
ermB.
Abundance
sul1
intI1
correlated
strongly
with
total
amount
ARGs,
suggesting
they
could
good
indicators
AMR
in
produce.
Furthermore,
fecal
marker
yccT,
indicating
that
gene
sulI
significantly
higher
samples,
anthropogenic
chain
analyses
coriander
carrot
revealed
several
ARGs
conferring
antiseptics
disinfectants
genetic
elements.
Overall,
study
demonstrated
contributes
dissemination
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
928, P. 172348 - 172348
Published: April 16, 2024
Many
studies
have
characterised
resistomes
in
river
microbial
communities.
However,
few
compared
parallel
rural
catchments
that
point-source
inputs
of
antimicrobial
genes
(ARGs)
and
organisms
(i.e.,
AMR)
-
where
one
can
contrast
more
nebulous
drivers
AMR
rivers.
Here,
we
used
quantitative
profiling
(QMP)
to
compare
microbiomes
two
Northern
England,
the
Coquet
Eden
Northumberland
Cumbria,
respectively,
with
different
hydrological
geographical
conditions.
The
has
higher
flow
rates,
annual
surface
runoff,
longer
periods
soil
saturation,
whereas
is
drier
lower
flowrates.
QMP
analysis
showed
contained
significantly
abundant
microbes
associated
sources,
animal
faeces,
wastewater
than
Coquet,
which
had
like
less
polluted
rivers
(Wilcoxon
test,
p
<
0.01).
also
greater
ARG
abundances
resistome
diversity
(Kruskal
Wallis,
0.05),
levels
potentially
clinically
relevant
ARGs.
catchment
flashier
runoff
extensive
agricultural
land
use
its
middle
reach,
explains
river.
Hydrological
geographic
factors
drive
rivers,
must
be
considered
environmental
monitoring
programmes.