Environmental Science and Ecotechnology,
Journal Year:
2024,
Volume and Issue:
21, P. 100440 - 100440
Published: June 13, 2024
Anaerobic
digestion
(AD)
plays
a
significant
role
in
renewable
energy
recovery.
Upgrading
AD
from
thermophilic
(50–57
°C)
to
mesophilic
(30–38
conditions
enhance
process
stability
and
reduce
input
remains
challenging
due
the
high
sensitivity
of
microbiomes
temperature
fluctuations.
Here
we
compare
effects
two
decreasing-temperature
modes
55
35
°C
on
cell
viability,
microbial
dynamics,
interspecies
interactions.
A
sharp
transition
(ST)
is
one-step
by
20
d−1,
while
mild
(MT)
stepwise
1
d−1.
We
find
greater
decrease
methane
production
with
ST
(88.8%)
compared
MT
(38.9%)
during
period.
mode
overproduced
reactive
oxygen
species
1.6-fold,
increased
membrane
permeability
2.2-fold,
downregulated
metabolism
25.1%,
leading
apoptosis
anaerobes
1.9-fold
release
intracellular
substances
2.9-fold,
further
constraining
methanogenesis.
The
higher
(1.6
vs.
1.1
copies
per
gyrA)
metabolic
activity
acetate-dependent
methanogenesis
implied
more
efficient
steady
mesophilic,
MT-mediated
system.
Metagenomic
binning
network
analyses
indicated
that
induced
dysbiosis
keystone
greatly
enhanced
functional
redundancy,
causing
loss
syntrophic
interactions
redundant
pathways.
In
contrast,
interconnections
(average
degrees
44.9
22.1)
at
state
suggested
could
better
maintain
necessary
system
functionality
through
syntrophy
or
specialized
Adopting
transform
digesters
into
feasible
potentially
optimization
broader
application
practical
anaerobic
engineering.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(26), P. 11542 - 11553
Published: June 13, 2024
Nanoplastics
(NPs)
are
emerging
pollutants
and
have
been
reported
to
cause
the
disintegration
of
anaerobic
granular
sludge
(AnGS).
However,
mechanism
involved
in
AnGS
was
not
clear.
In
this
study,
polyvinyl
chloride
nanoplastics
(PVC-NPs)
were
chosen
as
target
NPs
their
long-term
impact
on
structure
investigated.
Results
showed
that
increasing
PVC-NPs
concentration
resulted
inhibition
acetoclastic
methanogens,
syntrophic
propionate,
butyrate
degradation,
well
disintegration.
At
presence
50
μg·L
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: July 5, 2023
Metaproteomics
is
a
subfield
in
meta-omics
that
used
to
characterize
the
proteome
of
microbial
community.
Despite
its
importance
and
plethora
publications
different
research
area,
scientists
struggle
fully
comprehend
functional
impact
on
study
microbiomes.
In
this
study,
bibliometric
analyses
are
evaluate
current
state
metaproteomic
globally
as
well
specific
contribution
Africa
burgeoning
area.
we
use
globally,
identify
frontiers
hotspots,
further
predict
future
trends
metaproteomics.
The
area
was
evaluated.Relevant
documents
from
2004
2022
were
extracted
Scopus
database.
subjected
visualization
using
VOS
viewer
Biblioshiny
package
R.
Factors
such
publication,
country
institutional
cooperation
networks,
leading
scientific
journals,
author's
productivity,
keywords
conducted.
African
ranked
Field-Weighted
Citation
Impact
(FWCI)
scores.A
total
1,138
included
number
increased
drastically
with
more
(170)
reported
2021.
terms
publishers,
Frontiers
Microbiology
had
highest
(62).
United
States
America
(USA),
Germany,
China,
Canada,
together
other
European
countries
most
productive.
Institution-wise,
Helmholtz
Zentrum
für
Umweltforschung,
Germany
while
Max
Plank
Institute
collaborative
link
strength.
Jehmlich
N.
productive
author
whereas
Hettich
RL
h-index
63.
Regarding
Africa,
only
2.2%
overall
continent
publication
outputs
South
Africa.
More
than
half
an
FWCI
score
≥
1.The
metaproteomics
rapidly
evolving
developed
way.
Although
showed
prospects
for
progress,
could
be
accelerated
by
providing
funding,
collaborations,
mentorship
programs.
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
375, P. 124292 - 124292
Published: Jan. 31, 2025
Biosolids,
derived
from
wastewater
treatment
processes,
are
valuable
resources
for
soil
amendment
in
agriculture
due
to
their
nutrient-rich
composition.
However,
various
contaminants
of
concern
(CEC)
such
as
pharmaceuticals,
per-and
poly-fluoroalkyl
substances,
endocrine
disruptive
chemicals,
surfactants,
pathogens,
nanoplastics,
and
microplastics,
also
reported
biosolids.
The
use
biosolids
may
introduce
these
CEC
into
the
soil,
which
raises
concerns
about
environmental
human
health
impacts.
Moreover,
presence
pathogens
(Escherichia
coli,
Salmonella
sp.,
Shigella,
Giardia,
Rotavirus,
etc.)
even
after
calls
microbial
profiling
biosolids,
especially
developing
countries.
Multi-omics
approaches
can
be
used
powerful
tools
characterizing
communities
highlighting
metabolic
pathways.
help
predicting
ecological
agronomic
effects
application
agricultural
soils.
This
review
discusses
advantages
challenges
using
agriculture,
considering
range
different
current
legislation
is
presented,
limitations
with
respect
guidelines
emerging
Furthermore,
role
multi-omics
approach
management,
focusing
on
genomics,
transcriptomics,
proteomics,
metabolomics
assessed.
allows
real-time
monitoring,
ensuring
continuous
optimization
towards
changing
conditions.
dynamic
not
only
enhances
safe
use,
but
sustainability
waste
management
practices,
minimizing
negative
effects.
Finally,
future
research
directions
integrating
biosolid
practices
suggested.
need
updating
legislative
framework,
continued
innovation
promote
sustainable
robust
systems,
bringing
process
closer
principles
a
circular
bioeconomy
empahasized.
