Microbial Biotechnology,
Год журнала:
2024,
Номер
17(11)
Опубликована: Ноя. 1, 2024
Abstract
Over
the
past
few
decades,
global
spread
of
antimicrobial
resistance
has
underscored
urgent
need
to
develop
innovative
non‐antibiotic
antibacterial
strategies
and
reduce
antibiotic
use
worldwide.
In
response
this
challenge,
several
methods
have
been
developed
that
rely
on
gene
transfer
by
conjugation
deliver
toxic
compounds
or
CRISPR
systems
specifically
designed
kill
resensitize
target
bacterial
strains
antibiotics.
This
review
explores
design,
potential,
limitations
these
conjugation‐based
strategies,
focusing
recent
advances
in
delivery
as
effectors.
Pharmaceuticals,
Год журнала:
2023,
Номер
16(11), С. 1615 - 1615
Опубликована: Ноя. 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.
Frontiers in Cellular and Infection Microbiology,
Год журнала:
2024,
Номер
14
Опубликована: Апрель 4, 2024
The
dissemination
of
antibiotic
resistance
in
Escherichia
coli
poses
a
significant
threat
to
public
health
worldwide.
This
review
provides
comprehensive
update
on
the
diverse
mechanisms
employed
by
E.
developing
antibiotics.
We
primarily
focus
pathotypes
(e.g.,
uropathogenic
)
and
investigate
genetic
determinants
molecular
pathways
that
confer
resistance,
shedding
light
both
well-characterized
recently
discovered
mechanisms.
most
prevalent
mechanism
continues
be
acquisition
genes
through
horizontal
gene
transfer,
facilitated
mobile
elements
such
as
plasmids
transposons.
discuss
role
extended-spectrum
β
-lactamases
(ESBLs)
carbapenemases
conferring
-lactam
antibiotics,
which
remain
vital
clinical
practice.
covers
key
resistant
mechanisms,
including:
1)
Efflux
pumps
porin
mutations
mediate
broad
spectrum
including
fluoroquinolones
aminoglycosides;
2)
adaptive
strategies
,
biofilm
formation,
persister
cell
activation
stress
response
systems,
withstand
pressure;
3)
regulatory
systems
coordinating
providing
insights
into
potential
targets
for
therapeutic
interventions.
Understanding
intricate
network
is
crucial
development
effective
combat
this
growing
crisis.
By
clarifying
these
we
aim
pave
way
design
innovative
approaches
implementation
prudent
stewardship
practices
preserve
efficacy
current
antibiotics
ensure
sustainable
future
healthcare.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(5), С. 2655 - 2655
Опубликована: Фев. 24, 2024
One
of
the
key
mechanisms
enabling
bacterial
cells
to
create
biofilms
and
regulate
crucial
life
functions
in
a
global
highly
synchronized
way
is
communication
system
called
quorum
sensing
(QS).
QS
cell-to-cell
process
that
depends
on
population
density
mediated
by
small
signalling
molecules
autoinducers
(AIs).
In
bacteria,
controls
biofilm
formation
through
regulation
gene
expression
involved
extracellular
polymeric
matrix
(EPS)
synthesis,
virulence
factor
production,
stress
tolerance
metabolic
adaptation.
Forming
one
antimicrobial
resistance
(AMR).
A
common
feature
human
pathogens
ability
form
biofilm,
which
poses
serious
medical
issue
due
their
high
susceptibility
traditional
antibiotics.
Because
associated
with
formation,
there
belief
inhibition
activity
quenching
(QQ)
may
provide
alternative
therapeutic
methods
for
treating
microbial
infections.
This
review
summarises
recent
progress
research,
focusing
biofilms,
especially
those
formed
pathogenic
become
resistant
antibiotic
treatment.
Subsequently,
potential
approach
highlighting
innovative
non-antibiotic
strategies
control
AMR
bacteria
has
been
discussed.
Probiotics and Antimicrobial Proteins,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 8, 2024
Abstract
Probiotics
are
pivotal
in
maintaining
or
restoring
the
balance
of
human
intestinal
microbiota,
a
crucial
factor
mitigating
diseases
and
preserving
host’s
health.
Exploration
into
Bacteroides
spp.
reveals
substantial
promise
their
development
as
next-generation
probiotics
due
to
profound
interaction
with
host
immune
cells
capability
regulate
microbiome’s
metabolism
by
significantly
impacting
metabolite
production.
These
beneficial
bacteria
exhibit
potential
ameliorating
various
health
issues
such
disorders,
cardiovascular
diseases,
behavioral
even
cancer.
Though
it’s
important
note
that
high
percentage
them
well
opportunistic
pathogens,
posing
risks
under
certain
conditions.
Studies
highlight
role
modifying
responses
improving
conditions
regulating
lymphocytes,
controlling
metabolism,
preventing
inflammation
The
safety
efficacy
strains
currently
scrutiny
European
Commission
for
authorization
food
processing,
marking
significant
step
towards
commercialization.
recent
advancements
bacterial
isolation
sequencing
methodologies,
coupled
integration
Metagenome-Assembled
Genomes
(MAGs)
binning
from
metagenomics
data,
continue
unveil
spp.,
aiding
broader
understanding
application
these
novel
disease
management.
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Ноя. 30, 2023
The
efficacy
of
antibiotics
and
other
antimicrobial
agents
in
combating
bacterial
infections
faces
a
grave
peril
the
form
resistance
(AMR),
an
exceedingly
pressing
global
health
issue.
emergence
dissemination
drug-resistant
bacteria
can
be
attributed
to
rampant
overuse
misuse
antibiotics,
leading
dire
consequences
such
as
organ
failure
sepsis.
Beyond
realm
individual
health,
pervasive
specter
AMR
casts
its
ominous
shadow
upon
economy
society
at
large,
resulting
protracted
hospital
stays,
elevated
medical
expenditures,
diminished
productivity,
with
particularly
for
vulnerable
populations.
It
is
abundantly
clear
that
addressing
this
threat
necessitates
concerted
international
endeavor
encompassing
optimization
antibiotic
deployment,
pursuit
novel
compounds
therapeutic
strategies,
enhancement
surveillance
monitoring
resistant
strains,
assurance
universal
access
efficacious
treatments.
In
ongoing
struggle
against
encroaching
menace,
phage-based
therapies,
strategically
tailored
combat
AMR,
offer
formidable
line
defense.
Furthermore,
alluring
pathway
forward
development
vaccines
lies
utilization
virus-like
particles
(VLPs),
which
have
demonstrated
their
remarkable
capacity
elicit
robust
immune
response
infections.
VLP-based
vaccinations,
characterized
by
absence
genetic
material
non-infectious
nature,
present
markedly
safer
more
stable
alternative
conventional
immunization
protocols.
Encouragingly,
preclinical
investigations
yielded
promising
results
VLP
targeting
pivotal
implicated
crisis,
including
Salmonella,
Escherichia
coli,
Clostridium
difficile.
Notwithstanding
undeniable
potential
vaccines,
challenges
persist,
identification
suitable
markers
vaccination
prospect
pathogens
evolving
mechanisms
thwart
response.
Nonetheless,
holds
great
promise
relentless
fight
underscoring
need
sustained
research
endeavors.
quest
marshal
potent
defenses
pave
way
visionary
innovations,
cutting-edge
techniques
incorporate
RNA
interference,
nanomedicine,
integration
artificial
intelligence
are
currently
under
rigorous
scrutiny.
British Journal of Biomedical Science,
Год журнала:
2024,
Номер
81
Опубликована: Авг. 7, 2024
The
global
issue
of
antimicrobial
resistance
poses
significant
challenges
to
public
health.
World
Health
Organization
(WHO)
has
highlighted
it
as
a
major
health
threat,
causing
an
estimated
700,000
deaths
worldwide.
Understanding
the
multifaceted
nature
antibiotic
is
crucial
for
developing
effective
strategies.
Several
physiological
and
biochemical
mechanisms
are
involved
in
development
resistance.
Bacterial
cells
may
escape
bactericidal
actions
drugs
by
entering
physiologically
dormant
state
known
bacterial
persistence.
Recent
findings
this
field
suggest
that
persistence
can
be
one
main
sources
chronic
infections.
tolerance
developed
persister
could
tolerate
high
levels
antibiotics
give
rise
offspring.
These
offspring
attributed
mechanisms,
especially
This
review
attempts
shed
light
on
persister-induced
current
therapeutic
PLoS Pathogens,
Год журнала:
2024,
Номер
20(6), С. e1012361 - e1012361
Опубликована: Июнь 28, 2024
The
interactions
between
a
virus
and
its
host
vary
in
space
time
are
affected
by
the
presence
of
molecules
that
alter
physiology
either
or
virus.
Determining
molecular
mechanisms
at
basis
these
is
paramount
for
predicting
fate
bacterial
phage
populations
designing
rational
phage-antibiotic
therapies.
We
study
stationary
phase
Burkholderia
thailandensis
ΦBp-AMP1.
Although
heterogeneous
genetic
resistance
to
rapidly
emerges
B.
,
enhances
efficacy
three
major
antibiotic
classes,
quinolones,
beta-lactams
tetracyclines,
but
antagonizes
tetrahydrofolate
synthesis
inhibitors.
discovered
enhanced
facilitated
reduced
efflux
phage.
This
new
therapy
allows
eradication
bacteria,
whilst
requiring
concentrations,
which
crucial
treating
infections
sites
where
it
difficult
achieve
high
concentrations.