Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Ноя. 11, 2024
Urban
trees
are
crucial
in
delivering
essential
ecosystem
services,
including
air
pollution
mitigation.
This
service
is
influenced
by
plant
associated
microbiomes,
which
can
degrade
hydrocarbons,
support
tree
health,
and
influence
ecological
processes.
Yet,
our
understanding
of
microbiomes
remains
limited,
thus
affecting
ability
to
assess
quantify
the
services
provided
as
complex
systems.
The
main
hypothesis
this
work
was
that
concur
hydrocarbon
biodegradation,
tested
through
three
case
studies,
collectively
investigated
two
micro-habitats
(phyllosphere
cavity
organic
soil-TCOS)
under
various
conditions
representing
diverse
scenarios,
applying
different
culture-based
molecular
techniques
at
scales.
integration
all
results
a
more
comprehensive
role
urban
trees.
Firstly,
bacterial
strains
isolated
from
phyllosphere
Applied and Environmental Microbiology,
Год журнала:
2024,
Номер
91(1)
Опубликована: Дек. 9, 2024
Biostimulating
native
microbes
with
fertilizers
has
proven
to
be
a
highly
effective
strategy
speed
up
biodegradation
rates
in
microbial
communities.
This
study
investigates
the
genetic
potential
of
degrade
light
synthetic
crude
oil
freshwater
coastal
wetland.
Experimental
sediment
microcosms
were
exposed
variety
conditions
(biological
control,
amendment,
and
nutrient
amendment)
incubated
for
30
days
before
volatile
organic
compounds
(BTEX)
quantified
DNA
was
sequenced
metagenomic
analysis.
The
resulting
sequences
binned
into
metagenome-assembled
genomes
(MAGs).
Analyses
MAGs
uncovered
13-fold
significant
increase
abundance
rate-limiting
hydrocarbon
degrading
monooxygenases
dioxygenases,
identified
only
from
amendments.
Further,
complete
degradation
pathways
BTEX
found
amendment.
Moreover,
(BTEX,
cyclohexane,
naphthalene)
analyses
microcosm
sediments
presence
nutrients
documented
that
benzene
degraded
below
detection
limits,
toluene
(98%)
ethylbenzene
(67%)
predominantly
reduced
within
days.
Results
indicate
this
wetland
can
linked
functional
bioremediation.
are
typically
more
recalcitrant
tougher
than
alkanes.
demonstrated
stimulating
community
enhance
its
ability
biodegrade
hydrocarbons,
even
relatively
nutrient-rich
habitat
like
wetland,
is
an
remediation
tactic.
impact
spills
aquatic
environment
pose
dire
social,
economic,
ecological
effects
on
region.
An
spill
Laurentian
Great
Lakes
region
affect
drinking
water
million
people.
used
experimental
transported
through
underground
pipeline
crossing
waterway
between
two
Lakes.
collected
data
(experiments
triplicate)
assessed
quantity
compounds,
which
connected
function
gene
potential.
bioremediation
capabilities
also
provided
evidence
viable
instead
invasive
physical
methods.
Frontiers in Marine Science,
Год журнала:
2022,
Номер
9
Опубликована: Ноя. 25, 2022
Natural
and
oil
surface
slicks
are
widespread
phenomena
at
the
air-water
interface
represent
visible
films
with
distinct
physicochemical
biological
properties
compared
to
non-slick
underlying
marine
water.
Both
types
of
have
major
functions
in
nourishing
dispersing
surface-dwelling
micro-
macroorganisms,
contribute
particle
generation
carbon
cycling,
known
accumulate
pollutants.
Despite
these
high
frequency
environment,
little
understood
considering
their
microbial
inhabitants
contributions
organisms
for
natural
slick
establishment,
function,
ecology.
Our
mini
review
summarizes
current
knowledge
life
slicks,
anthropogenic
including
gaps
perspectives
future
research.
Overall,
we
aim
an
increased
awareness
about
existence
differentiation
between
improved
reporting
events
during
sampling
film
seawater
from
epipelagic
zone.