This
study
addresses
membrane
biofouling
in
bioreactors
(MBRs)
by
exploring
fungal-to-bacterial
quorum
quenching
(QQ)
strategies.
While
most
research
has
been
focused
on
bacterial-to-bacterial
QQ
tactics,
we
identified
fungal
strain
Vanrija
sp.
MS1,
which
is
capable
of
degrading
N-acyl-homoserine
lactones
(AHLs)
(signaling
molecules
Gram-negative
bacteria).
To
determine
the
benefits
over
bacterial
strains,
after
immobilization
fluidizing
spherical
beads
an
MBR,
MS1
significantly
reduced
fouling
rate
1.76-fold
compared
to
control
decreased
extracellular
polymeric
substance
(EPS)
levels
biofilm
during
MBR
operation,
and
favorably
changed
microbial
community
network,
resulting
mitigation.
It
noteworthy
that,
unlike
Rhodococcus
BH4,
enhanced
activity
when
switching
from
neutral
acidic
(pH
5.00)
conditions.
indicates
that
potential
for
effective
treatment
industrial
wastewater
sources
such
as
semiconductor
secondary
battery
using
MBRs.
Soil Science & Plant Nutrition,
Год журнала:
2024,
Номер
70(4), С. 246 - 269
Опубликована: Апрель 16, 2024
The
extent
to
which
soil
enzyme
activity
in
assessing
nutrient
availability
is
useful
has
been
controversial.
In
this
review,
we
discuss
the
utility
of
ecoenzymatic
stoichiometry
(i.e.
ratio
nutrient-
carbon
(C)-acquiring
activities)
on
basis
resource
allocation
model
for
ecoenzyme
synthesis.
Both
selection
appropriate
enzymes
and
balance
between
relative
amounts
substrates
are
decisive
factors
utilizing
stoichiometry.
Ecoenzymatic
can
evaluate
nitrogen
(N),
phosphorus,
sulfur
many
soils
catalytic
reactions
substrate-limited
but
not
enzyme-limited.
However,
approach
does
seem
be
applicable
where
microbes
limited
by
other
than
availability,
such
as
low
temperature,
Certain
enzymes,
N-acetyl-β-glucosaminidase
protease,
appear
insensitive
N
because
they
release
compounds
containing
both
C
serve
sources
C/energy.
We
propose
use
L-asparaginase
urease
N-acquiring
that
a
compound
NH4+)
hydrolysis
product.
considered
an
indicator
long-term
(weeks)
temporally
integrated
rather
instantaneous
plants
well
microbes,
(i)
persistence
extracellular
soils;
(ii)
significant
correlation
measurements
reflecting
quantity
available
nutrients
soil;
(iii)
plant
uptake.
This
review
also
identifies
challenges
microbial
limitation
using
With
comprehensive
understanding
underlying
mechanisms
limitations,
used
biologically
relevant
combination
with
approaches
conventional
chemical
extraction
methods
addition
approach.
Communications Biology,
Год журнала:
2025,
Номер
8(1)
Опубликована: Фев. 5, 2025
Quorum
sensing,
first
described
in
marine
systems
five
decades
ago,
is
a
well-characterized
chemical
communication
system
used
to
coordinate
bacterial
gene
expression
and
behavior;
however,
the
impact
of
quorum
sensing
on
interkingdom
interactions
has
been
vastly
understudied.
In
this
review,
we
examine
how
these
molecules
mediate
between
bacteria
eukaryotes;
influencing
processes
such
as
development,
disease
pathogenesis,
microbiome
regulation
within
ecosystems.
We
describe
varied
mechanisms
eukaryotes
have
evolved
interfere
with
signaling,
crucial
role
signals
play
host-virus
interactions,
their
exchange
may
be
governed
by
outer
membrane
vesicles,
prevalent
systems.
Here,
present
dynamic
portrayal
beyond
communication,
laying
groundwork
for
future
investigations
roles
shaping
ecosystem
structure
function.
A
review
examines
system,
shapes
eukaryote
Water Environment Research,
Год журнала:
2025,
Номер
97(2)
Опубликована: Фев. 1, 2025
The
widespread
presence
of
plastic
debris
in
marine
ecosystems
was
first
highlighted
as
a
serious
concern
the
United
Nations
Convention
on
Law
Sea
(UNCLOS)
and
1972
London
Convention.
This
realization
identified
pollution
one
major
global
environmental
issues.
Majorities
are
neither
recycled
nor
incinerated,
result,
it
eventually
makes
its
way
into
lakes,
rivers,
oceans.
Analysis
water
sediment
worldwide
indicates
that
microplastics
nanoplastic
ubiquitous
soils,
freshwater,
ecosystems.
Microplastic
nanoplastics
distributed
throughout
environments
via
processes
such
biofouling
chemical
leaching,
contaminating
both
pelagic
benthic
species.
Despite
growing
recognition
hazards
posed
by
nanoplastics,
regulatory
efforts
remain
hampered
limited
understanding
their
broader
ecological
impacts,
particularly
how
diverse
factors
translate
population
declines
ecosystem
disruptions.
review
examines
pathways
microplastic
pollution,
interactions
with
other
stressors
climate
change
effects
food
webs.
highlights
urgent
need
for
further
research
behavior
fate
which
degradation
product
microplastics,
owing
to
nano
size
they
pose
additional
risks,
unique
properties,
potential
impacts.
Studies
have
demonstrated
smaller
more
toxic
than
larger
microplastics.
Additionally,
serve
vectors
contaminants
heavy
metals,
exacerbating
toxicity.
They
also
translocate
through
chains,
posing
health
risks.
While
evidence
impact
continues
grow,
chronic
toxicity
remains
poorly
understood,
emphasizing
research,
at
cellular
level,
fully
understand
human
health.
concludes
call
standardized
measurement
methods,
effective
mitigation
strategies,
enhanced
international
cooperation
combat
this
escalating
threat.
Future
should
prioritize
complex
between
pollutants,
ecosystems,
ultimate
goal
developing
holistic
approaches
manage
mitigate
pollution.
PRACTITIONER
POINTS:
Microplastic/nanoplastic
webs,
affecting
species
Nanoplastics
Nanoplastic
aggregation
influences
distribution
interactions.
focus
behavior,
transport,
