Chlorine in cleaning – are we concentrating enough?
Journal of Hospital Infection,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Язык: Английский
Distribution Patterns of tfdI and tfdII Gene Clusters and New Insights into the Formation of the Architecture of pJP4, a Canonical 2,4-dichlorophenoxyacetic Acid (2,4-D) Degradation Plasmid
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(20), С. 10998 - 10998
Опубликована: Окт. 12, 2024
Currently,
pJP4
is
one
of
the
best-known
plasmids
for
biodegradation
xenobiotics
that
mediate
degradation
2,4-dichlorophenoxyacetic
acid
(2,4-D),
which
associated
with
serious
health
and
environmental
risks.
Although
sequencing
proposed
theory
formation
occurred
almost
20
years
ago
(2004),
still
model
object
many
studies
focused
on
2,4-D.
The
uniqueness
this
plasmid
due
to
presence
two
evolutionarily
distinct
gene
clusters,
tfdI
tfdII,
controlling
Recent
advances
in
biology,
especially
those
concerning
characterization
new
IncP-1
systematization
tfd
cluster
findings,
serve
as
a
basis
proposing
insights
into
clusters’
architecture
canonical
plasmid,
pJP4,
their
distribution
among
other
plasmids.
In
present
work,
comparative
genomic
phylogenetic
silico
study
tfdII
clusters
was
carried
out.
possible
initial
patterns
different
incompatibility
groups
(non-IncP-1)
using
IS1071-based
composite
transposon
were
revealed.
A
through
sequential
internal
rearrangements,
recombination,
ISJP4
insertion,
proposed.
addition,
small
resulting
from
rearrangements
(tfdIISA
ORF31/32)
served
fingerprints
exploring
clusters.
revealed
formulated
extend
frontiers
biology
will
be
beneficial
understanding
role
bacterial
adaptation
xenobiotic-contaminated
environments.
Язык: Английский
Longitudinal genomic surveillance of a UK intensive care unit shows a lack of patient colonisation by multi-drug-resistant Gram-negative bacterial pathogens
Microbial Genomics,
Год журнала:
2024,
Номер
10(11)
Опубликована: Ноя. 4, 2024
Vulnerable
patients
in
an
intensive
care
unit
(ICU)
setting
are
at
high
risk
of
infection
from
bacteria
including
gut-colonising
Escherichia
coli
and
Klebsiella
species.
Complex
ICU
procedures
often
depend
on
successful
antimicrobial
treatment,
underscoring
the
importance
understanding
extent
patient
colonisation
by
multi-drug-resistant
organisms
(MDROs)
large
UK
ICUs.
Previous
work
ICUs
globally
uncovered
rates
transmission
MDROs,
but
situation
is
less
understood.
Here,
we
investigated
diversity
antibiotic
resistance
gene
(ARG)
carriage
present
one
largest
Queen
Elizabeth
Hospital
Birmingham
(QEHB),
focusing
primarily
E.
as
both
a
widespread
commensal
disseminated
pathogen.
Samples
were
taken
during
highly
restrictive
coronavirus
disease
2019
(COVID-19)
control
measures
May
to
December
2021.
Whole-genome
metagenomic
sequencing
used
detect
report
strain-level
patients,
sequence
types
(STs),
their
dynamics
carriage.
We
found
lack
multi-drug
(MDR)
QEHB.
Only
carbapenemase-producing
organism
was
isolated,
Citrobacter
carrying
bla
KPC-2
.
There
no
evidence
supporting
spread
this
strain,
there
little
overall
nosocomial
acquisition
or
circulation
colonising
Whilst
22
different
STs
identified,
only
1
strain
pandemic
ST131
lineage
isolated.
This
non-MDR
be
clade
A
associated
with
low
levels
resistance.
Overall,
QEHB
had
very
MDR
strains,
result
that
may
influenced
part
strict
COVID-19
place
time.
Employing
some
these
prevention
where
reasonable
all
might
therefore
assist
maintaining
MDR.
Язык: Английский