Oceanological and Hydrobiological Studies,
Journal Year:
2022,
Volume and Issue:
51(1), P. 10 - 22
Published: March 25, 2022
In
this
study,
three
polymer
types
of
microplastics
(MPs),
polyethylene
(PE),
polystyrene
(PS)
and
polypropylene
(PP),
were
exposed
for
60
days
in
Xincun
Bay
(Hainan,
China),
a
long-term
mariculture
tropical
lagoon.
High-throughput
sequencing
scanning
electron
microscopy
(SEM)
used
to
investigate
the
succession
microbial
community
structure
function
on
MPs
after
10,
30,
exposure,
respectively.
The
results
showed
that
diversity
indices
bacteria
from
higher
than
those
seawater.
Significant
differences
observed
metabolic
between
network
was
more
complex
dispersed
No
significant
bacterial
among
different
MPs.
biofilm
PS
thickest,
PP
most
one.
With
increasing
exposure
time,
attached
surface
became
thicker
composition
some
differences.
analysis
potential
degradation
pathogens
with
abundance
above
0.01%
several
plastic
biodegraders
seawater,
while
no
pathogen
found
enriched
Computational and Structural Biotechnology Journal,
Journal Year:
2022,
Volume and Issue:
20, P. 975 - 988
Published: Jan. 1, 2022
The
pollution
of
plastic
waste
has
become
an
increasingly
serious
environmental
crisis.
Recently,
been
detected
in
various
kinds
environments,
even
human
tissues,
which
is
increasing
threat
to
the
ecosystems
and
humans.
In
ocean,
eventually
fragmentized
into
microplastics
(MPs)
under
disruption
physical
chemical
processes.
MPs
are
colonized
by
microbial
communities
such
as
fungi,
diatoms,
bacteria,
form
biofilms
on
surface
called
"plastisphere".
this
review,
we
summarize
studies
related
microorganisms
plastisphere
recent
years
describe
species
plastisphere,
mainly
including
autotrophs.
Secondly,
explore
interactions
between
plastisphere.
depth
ocean
nutrients
surrounding
seawater
can
have
a
great
impact
community
structure
Finally,
discuss
types
MP-degrading
bacteria
use
"seed
bank"
theory
speculate
potential
sources
microorganisms.
Challenges
future
research
prospects
also
discussed.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 17, 2023
Marine
microplastic
pollution
is
a
growing
problem
for
ecotoxicology
that
needs
to
be
resolved.
In
particular,
microplastics
may
carriers
of
“dangerous
hitchhikers,”
pathogenic
microorganisms,
i.e.,
Vibrio
.
Microplastics
are
colonized
by
bacteria,
fungi,
viruses,
archaea,
algae
and
protozoans,
resulting
in
the
biofilm
referred
as
“plastisphere.”
The
microbial
community
composition
plastisphere
differs
significantly
from
those
surrounding
environments.
Early
dominant
pioneer
communities
belong
primary
producers,
including
diatoms,
cyanobacteria,
green
bacterial
members
Gammaproteobacteria
Alphaproteobacteria
With
time,
mature,
diversity
increases
quickly
include
more
abundant
Bacteroidetes
than
natural
biofilms.
Factors
driving
environmental
conditions
polymers,
with
former
having
much
larger
influence
on
polymers.
Microorganisms
play
key
roles
degradation
plastic
oceans.
Up
now,
many
species,
especially
Bacillus
Pseudomonas
well
some
polyethylene
degrading
biocatalysts,
have
been
shown
capable
microplastics.
However,
relevant
enzymes
metabolisms
need
identified.
Here,
we
elucidate
potential
quorum
sensing
research
first
time.
Quorum
become
new
area
understand
promote
ocean.
Environmental Microbiome,
Journal Year:
2022,
Volume and Issue:
17(1)
Published: June 24, 2022
Abstract
It
is
undeniable
that
plastics
are
ubiquitous
and
a
threat
to
global
ecosystems.
Plastic
waste
transformed
into
microplastics
(MPs)
through
physical
chemical
disruption
processes
within
the
aquatic
environment.
MPs
detected
in
almost
every
environment
due
their
worldwide
transportability
ocean
currents
or
wind,
which
allows
them
reach
even
most
remote
regions
of
our
planet.
colonized
by
biofilm-forming
microbial
communities
known
as
‘‘plastisphere”.
The
revelation
this
unique
substrate
can
aid
dispersal
has
piqued
interest
ground
ecology.
have
synergetic
effects
on
development,
transportation,
persistence,
ecology
microorganisms.
This
review
summarizes
studies
plastisphere
recent
years
community
assemblage
(viz
.
autotrophs,
heterotrophs,
predators,
pathogens).
We
also
discussed
plastic-microbe
interactions
potential
sources
plastic
degrading
Finally,
it
focuses
current
technologies
used
characterize
those
inhabitants
recommendations
for
further
research.
Global Change Biology,
Journal Year:
2021,
Volume and Issue:
27(19), P. 4771 - 4784
Published: July 16, 2021
Abstract
Ocean
warming
is
altering
the
biogeographical
distribution
of
marine
organisms.
In
tropics,
rising
sea
surface
temperatures
are
restructuring
coral
reef
communities
with
sensitive
species
being
lost.
At
divide
between
temperate
and
tropical
communities,
causing
macroalgal
forest
loss
spread
corals,
fishes
other
species,
termed
“tropicalization”.
A
lack
field
research
into
combined
effects
ocean
acidification
means
there
a
gap
in
our
ability
to
understand
plan
for
changes
coastal
ecosystems.
Here,
we
focus
on
tropicalization
trajectory
ecosystems
becoming
coral‐dominated
systems.
We
conducted
surveys
situ
transplants
at
natural
analogues
present
future
conditions
under
(i)
(ii)
both
transition
zone
kelp
show
that
increased
herbivory
by
warm‐water
exacerbates
negates
any
benefits
range
extending
corals
growth
physiology
latitudes.
Our
data
that,
as
ratchet
up,
lose
forests
but
do
not
gain
scleractinian
corals.
plus
leads
overall
habitat
shift
simple
turf‐dominated
ecosystems,
rather
than
complex
tropicalized
systems
often
seen
alone.
Simplification
habitats
CO
2
levels
cascades
through
ecosystem
could
have
severe
consequences
provision
goods
services.
