Advances in transdisciplinary engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
The
ability
to
model
/
monitor
biodegradation
processes
is
vital
for
predicting
the
lifespan
and
environmental
impact
of
biodegradable
materials
used
in
civil
engineering
applications.
Digital
analogs
Cholodny
chambers
burried
slides
can
be
equipped
with
sensors
changes
physical
chemical
properties
soil
over
time
(for
example
–
lens-less
optical
multiphysical
converters
non-optical
signals
into
ones).
This
data
develop
predictive
models
that
account
varying
conditions,
microbial
populations,
material
compositions.
Such
aid
engineers
selecting
appropriate
specific
applications
long-term
hydraulic
expositions
contact
oceanic
or
freshwater
plastisphere),
ensuring
they
meet
both
performance
criteria.
surface
characteristics
composites
significantly
influence
their
interaction
microorganisms.
By
employing
SEM
2D
FFT
methods,
researchers
gather
valuable
on
mechanisms
biodegradation,
including
colonization,
enzymatic
activity,
breakdown
processes.
usage
soil-modifiable
composite
buried
allows
detailed
examination
degradation,
which
are
critical
understanding
how
will
perform
real-world
analyzing
erosion,
biofilm
formation,
weathering,
identify
optimal
formulations
polymer
enhance
while
minimizing
ecological
toxicological
impact.
Consequently
facilitate
analysis
polymeric
materials,
enabling
make
informed
decisions
regarding
sustainable
practices
eco-friendly
engineering.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(15), P. 6647 - 6658
Published: April 2, 2024
The
biodegradation
of
polypropylene
(PP),
a
highly
persistent
nonhydrolyzable
polymer,
by
Tenebrio
molitor
has
been
confirmed
using
commercial
PP
microplastics
(MPs)
(Mn
26.59
and
Mw
187.12
kDa).
This
confirmation
was
based
on
the
reduction
mass,
change
in
molecular
weight
(MW),
positive
Δδ13C
residual
PP.
A
MW-dependent
mechanism
investigated
five
high-purity
MPs,
classified
into
low
(0.83
6.20
kDa),
medium
(50.40
108.0
high
(575.0
kDa)
MW
categories
to
access
impact
depolymerization
pattern
associated
gene
expression
gut
bacteria
larval
host.
larvae
can
depolymerize/biodegrade
polymers
with
although
consumption
rate
losses
increased,
survival
rates
declined
increasing
MW.
is
similar
observations
polystyrene
(PS)
polyethylene
(PE),
i.e.,
both
Mn
decreased
after
being
fed
PP,
while
and/or
increased
fed.
microbiota
exhibited
specific
associations,
such
as
Kluyvera
sp.
Pediococcus
for
degradation,
Acinetobacter
Bacillus
alongside
three
other
metabolism.
In
host
transcriptome,
digestive
enzymes
plastic
degradation-related
bacterial
were
up-regulated
feeding
depending
different
MWs.
T.
defensive
function
degradation
capability
during
plastics,
showing
relatively
negative
larvae.
Frontiers of Environmental Science & Engineering,
Journal Year:
2024,
Volume and Issue:
18(6)
Published: April 30, 2024
Abstract
Insects
damaging
and
penetrating
plastic
packaged
materials
has
been
reported
since
the
1950s.
Radical
innovation
breakthroughs
of
biodegradation
have
initiated
discovery
plastics
by
Tenebrio
molitor
larvae
in
2015
followed
Galleria
mellonella
2017.
Here
we
review
updated
studies
on
insect-mediated
plastics.
Plastic
insect
larvae,
mainly
some
species
darkling
beetles
(Tenebrionidae)
pyralid
moths
(Pyralidae)
is
currently
a
highly
active
potentially
transformative
area
research.
Over
past
eight
years,
publications
increased
explosively,
including
discoveries
ability
different
to
biodegrade
plastics,
performance,
contribution
host
microbiomes,
impacts
polymer
types
their
physic-chemical
properties,
responsible
enzymes
secreted
gut
microbes.
To
date,
almost
all
major
polyethylene
(PE),
polypropylene
(PP),
polyvinyl
chloride
(PVC),
terephthalate
(PET),
polyurethane
(PUR),
polystyrene
(PS)
can
be
biodegraded
T.
ten
other
representing
Tenebrionidae
Pyralidae
families.
The
processes
are
symbiotic
reactions
or
performed
synergistic
efforts
both
gut-microbes
rapidly
depolymerize
with
hourly
half-lives.
digestive
ezymens
bioreagents
screted
insects
play
an
essential
role
plasatic
certain
New
research
itself,
transcriptomes,
proteomes
metabolomes
evaluated
mechanisms
insects.
We
conclude
this
discussing
future
perspectives
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(23), P. 10368 - 10377
Published: May 30, 2024
The
insect
Tenebrio
molitor
exhibits
ultrafast
efficiency
in
biodegrading
polystyrene
(PS).
However,
the
generation
and
fate
of
nanoplastics
(NPs)
intestine
during
plastic
biodegradation
remain
unknown.
In
this
study,
we
investigated
PS
microplastics
(MPs)
mediated
by
T.
larvae
over
a
4-week
period
confirmed
analyzing
Δδ13C
before
after
biotreatment
(−28.37‰
versus
−24.88‰)
as
an
effective
tool.
·OH
radicals,
primarily
contributed
gut
microbiota,
H2O2,
produced
host,
both
increased
MP
digestion.
size
distribution
residual
particles
excrements
fluctuated
within
micrometer
ranges.
NPs
were
detected
but
not
excrements.
At
end
Weeks
1,
2,
3,
4,
concentrations
tissues
3.778,
2.505,
2.087,
2.853
ng/lava,
respectively,
while
glands
quantified
at
0.636,
0.284,
0.113
ng/lava
eventually
fell
below
detection
limit.
remained
limit
5
6.
This
indicates
that
initially,
generated
entered
glands,
then
declined
gradually
disappeared
or
possibly
biodegraded
Week
associated
with
elevated
plastic-degrading
capacities
larvae.
Our
findings
unveil
rapid
synergistic
larval
host
well
NPs,
providing
new
insights
into
risks
invertebrate-mediated
biodegradation.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(27), P. 11887 - 11900
Published: June 17, 2024
The
detrimental
effects
of
plastics
on
aquatic
organisms,
including
those
macroplastics,
microplastics,
and
nanoplastics,
have
been
well
established.
However,
knowledge
the
interaction
between
terrestrial
insects
is
limited.
To
develop
effective
strategies
for
mitigating
impact
plastic
pollution
ecosystems,
it
necessary
to
understand
toxicity
influencing
factors
ingestion
by
insects.
An
overview
current
regarding
provided
in
this
Review,
are
identified.
pathways
through
which
interact
with
plastics,
can
lead
accumulation
microplastic
transfer
higher
trophic
levels,
also
discussed
using
an
a
conceptual
model.
diverse
impacts
exposure
discussed,
challenges
existing
studies,
such
as
limited
focus
certain
types,
Further
research
standardized
methods
sampling
analysis
crucial
reliable
research,
long-term
monitoring
essential
assess
trends
ecological
ecosystems.
mechanisms
underlying
these
need
be
uncovered,
their
potential
consequences
insect
populations
ecosystems
require
evaluation.
Insects,
Journal Year:
2025,
Volume and Issue:
16(2), P. 165 - 165
Published: Feb. 5, 2025
Plastic
pollution
is
one
of
the
biggest
current
global
threats
to
environment
given
that
petroleum-based
plastic
recalcitrant
and
can
stay
in
for
decades,
even
centuries,
depending
on
specific
type.
Since
less
than
10%
all
made
recycled,
other
solutions
(such
as
incineration
or
landfill
storage)
are
pollutant
methods,
new,
environmentally
friendly
needed.
In
this
regard,
latest
biotechnological
discovery
topic
capability
insect
larvae
use
polymers
carbon
feedstock.
This
present
review
describes
most
relevant
information
capable
degrading
plastic,
mainly
Galleria
mellonella
(Fabricius,
1798),
Tenebrio
molitor
(Linnaeus,
1758),
Zophobas
atratus
1776),
also
adds
new
about
commonly
studied
“plastivore”
insects
such
termites.
covers
literature
from
very
first
work
describing
degradation
by
published
2014
way
research
available
(till
June
2024),
focusing
identification
a
wide
variety
plastic-degrading
microorganisms
isolated
guts
understanding
potential
molecular
mechanisms
take
place.
It
discoveries,
which
include
novel
enzymes
waxworm
saliva.
