Survival and transfer potential of Salmonella enterica serovar Typhimurium colonising polyethylene microplastics in contaminated agricultural soils
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(39), P. 51353 - 51363
Published: Aug. 7, 2024
Agricultural
environments
are
becoming
increasingly
contaminated
with
plastic
pollution.
Plastics
in
the
environment
can
also
provide
a
unique
habitat
for
microbial
biofilm,
termed
'plastisphere',
which
support
persistence
of
human
pathogens
such
as
Salmonella.
Human
enteric
Salmonella
enterica
serovar
Typhimurium
enter
agricultural
via
flooding
or
from
irrigation
water.
Using
soil
mesocosms
we
quantified
ability
S.
to
persist
on
microplastic
beads
two
agriculturally
relevant
soils,
under
ambient
and
repeat
flood
scenarios.
persisted
plastisphere
35
days
both
podzol
loamy
soils;
while
during
multiple
events
was
able
survive
up
21
days.
could
dissociate
migrate
through
leachate,
importantly
colonise
new
particles
soil,
suggesting
that
pollution
soils
aid
facilitate
further
dissemination
within
environment.
The
potential
increased
survival
food
production
due
contamination
poses
significant
public
health
risk,
particularly
potato
root
vegetable
systems
where
there
is
direct
contact
crops.
Language: Английский
Lettuce immune responses and apoplastic metabolite profile contribute to reduced internal leaf colonization by human bacterial pathogens
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: May 14, 2025
Language: Английский
Bidirectional Comparisons Revealed Functional Patterns in Interaction between Salmonella enterica and Plants
Min Han,
No information about this author
Azhar A. Zarkani,
No information about this author
Yongming Duan
No information about this author
et al.
Plants,
Journal Year:
2024,
Volume and Issue:
13(3), P. 414 - 414
Published: Jan. 30, 2024
Plants
may
harbor
the
human
pathogen
Salmonella
enterica.
Interactions
between
S.
enterica
and
different
plant
species
have
been
studied
in
individual
reports.
However,
disparities
arising
from
distinct
experimental
conditions
render
a
meaningful
comparison
very
difficult.
This
study
explored
interaction
patterns
strains
including
serovars
Typhimurium
14028s
LT2
serovar
Senftenberg,
plants
(Arabidopsis,
lettuce,
tomato)
one
approach.
Better
persistence
of
was
observed
all
tested
plants,
whereas
resulting
symptoms
varied
depending
on
species.
Genes
encoding
pathogenesis-related
proteins
were
upregulated
inoculated
with
Salmonella.
Furthermore,
transcriptome
tomato
indicated
dynamic
responses
to
Salmonella,
strong
specific
already
24
h
after
inoculation.
By
comparing
publicly
accessible
Arabidopsis
lettuce
results
generated
similar
manner,
constants
variables
displayed.
responded
metabolic
physiological
adjustments,
albeit
variability
reprogrammed
orthologues.
At
same
time,
adapted
leaf-mimicking
media
changes
biosynthesis
cellular
components
adjusted
metabolism.
provides
insights
into
Salmonella-plant
interaction,
allowing
for
direct
adaptations
both
organisms.
Language: Английский