Plant Soil and Environment,
Journal Year:
2024,
Volume and Issue:
70(12), P. 739 - 750
Published: Nov. 8, 2024
Lactic
acid
has
gained
considerable
attention
globally
due
to
its
multi-purpose
application.
Commercial
lactic
production
uses
the
fungal
species
Rhizopus
oryzae,
which
produces
other
organic
acids.
A
crucial
point
of
effective
is
matching
strains'
requirements,
where
carbon
source
plays
a
major
role.
The
highest
rate
achieved
when
glucose
used
as
source.
Alternatively,
we
can
apply
carbon-rich
agricultural
residues
sources.
Using
waste
for
provides
sustainable
and
cost-effective
feedstock
but
also
helps
reduce
greenhouse
gas
emissions
by
diverting
from
landfills
decreasing
reliance
on
fossil
fuels.
Moreover,
polylactic
(PLA)
produced
monomers
occur
in
numerous
applications.
We
should
delve
deeper
into
methods
using
recycle
waste,
foster
circular
economy,
advance
agriculture.
Therefore,
there
need
further
research
commercial
use
food
industry
wastes
production.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(30), P. 16674 - 16686
Published: July 18, 2024
The
potential
impacts
of
biodegradable
and
nonbiodegradable
microplastics
(MPs)
on
rhizosphere
microbial
nitrogen
(N)
transformation
processes
remain
ambiguous.
Here,
we
systematically
investigated
how
(polybutylene
succinate,
PBS)
MPs
(polyethylene,
PE)
affect
N
by
determining
soil
indicators
typical
Glycine
max
(soybean)-soil
(i.e.,
red
brown
soils)
systems.
Our
results
show
that
altered
pH
dissolved
organic
carbon
in
MP/soil
type-dependent
manners.
Notably,
soybean
growth
displayed
greater
sensitivity
to
1%
(w/w)
PBS
MP
exposure
than
since
acidified
the
impeded
nutrient
uptake
plants.
In
rhizosphere,
negatively
impacted
community
composition
diversity,
weakened
(mainly
denitrification
ammonification),
disrupted
metabolism.
Overall,
it
is
suggested
MPs,
compared
can
more
significantly
influence
ecological
function
plant-soil
system.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(32), P. 14496 - 14505
Published: July 24, 2024
Although
massive
studies
have
investigated
the
spatiotemporally
occurring
marine
plastisphere,
a
new
microbial
ecosystem
colonizing
surfaces
of
plastics,
resulting
biofragmentation
process
and
impacts
plastics
on
biogeochemical
cycles
remain
largely
unknown.
Here,
we
leverage
synchrotron-based
Fourier
transform
infrared
spectromicroscopy
(FTIR
mapping)
metagenomic
sequencing
to
explore
independent
microcosms
amended
with
petroleum-based
polyethylene
(PE)
biobased
polyhydroxybutyrate
(PHB)
plastic
films.
FTIR
mapping
results
demonstrate
unequal
fragmentation
scenarios
by
which
PE
rarely
releases
oxidized
fragments
while
PHB
disintegrates
quickly,
gradually
forming
composed
extracellular
polymeric
substances
resembling
Metagenomic
analysis
shows
critical
role
hydrocarbonoclastic
lineages
in
biodegradation
two
fatty
acid
degradation
pathway,
where
host
different
trajectories
between
plastisphere
(dominated
