Microbes and Environments,
Год журнала:
2024,
Номер
39(4), С. n/a - n/a
Опубликована: Янв. 1, 2024
Myxobacteria,
belonging
to
the
phylum
Myxococcota,
are
ubiquitous
in
soil,
marine,
and
other
environments.
A
recent
metagenomic
sequencing
ana-lysis
showed
that
Myxococcota
predominant
activated
sludge
systems;
however,
their
metabolic
traits
remain
unclear.
In
present
study,
we
exami-ned
potential
biological
functions
of
46
bins
reconstructed
from
samples
four
municipal
sewage
treatment
plants.
The
results
obtained
most
had
an
almost
complete
set
genes
associated
with
glycolysis
TCA
cycle.
Palsa-1104
Polyangiales
contained
glycoside
hydrolase
GH5
peptidase
M23,
which
presumably
involved
lysis
cell
wall
cellular
cytoplasm,
suggesting
some
prey
on
microorganisms.
contact-dependent
predatory
Myxococcus
xanthus
conserved
family
Myxococcaceae,
but
not
families.
Two
phototrophic
gene
clusters,
indicating
for
heterotrophic
autotrophic
metabolism
by
these
microbes.
assessments
social
behavior
sludge,
FruA
C-signal
gene,
regulation
fruiting
body
formation,
were
lacking
bins,
inability
form
bodies.
addition,
multiple
novel
secondary
metabolite
biosynthesis
clusters
may
be
used
predation
bacteria
sludge.
Our
metagenome-based
ana-lyses
provide
insights
into
microbial
interactions
ecosystems.
Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
As
water
reuse
applications
expand,
there
is
a
need
for
more
comprehensive
means
to
assess
quality.
Microbiome
analysis
could
provide
the
ability
supplement
fecal
indicators
and
pathogen
profiling
toward
defining
"healthy"
drinking
microbiota
while
also
providing
insight
into
impact
of
treatment
distribution.
Here,
we
utilized
16S
rRNA
gene
amplicon
sequencing
identify
signature
features
in
composition
across
wide
spectrum
types
(potable
conventional,
potable
reuse,
nonpotable
reuse).
A
clear
distinction
was
found
as
function
intended
use
(e.g.,
vs
nonpotable)
very
broad
range
U.S.
systems
at
both
point
compliance
(Betadisper
Journal of Environmental Management,
Год журнала:
2024,
Номер
371, С. 123005 - 123005
Опубликована: Окт. 31, 2024
Currently,
there
is
a
growing
concern
about
water
scarcity.
The
rising
demand
for
wastewater
treatment
systems
that
facilitate
the
reuse
of
has
resulted
in
focus
on
use
microalgae
sustainable
treatments.
These
methods
not
only
eliminate
nutrients
from
but
also
produce
biomass
can
be
used
to
obtain
high-value
products.
This
study
aimed
observe
effect
different
hydraulic
retention
times
(HRTs)
and
treated
urban
(TUWW)
percentages
growth
nutrient
consumption
membrane
photobioreactors.
Microalgae
increases
with
HRT
regardless
percentage
TUWW.
Biomass
concentration
stabilises
at
between
40%
60%
TUWW
significantly
when
100%
used,
resulting
highest
concentrations.
As
increases,
ammonium
total
nitrogen
rise.
A
positive
trend
was
observed
increasing
TUWW,
reaching
its
peak
optimal
conditions
removal
are
achieved
7-day
as
influent,
which
confirmed
response
surface
methodology.
Tire-derived
rubber
crumbs
(RC-MPs),
as
a
new
type
of
microplastic,
pose
harm
to
both
environment
and
human
health.
The
emergence
plastic
an
alarming
pollutant
poses
significant
threat
the
sustainability
agricultural
ecosystems,
worldwide
food
security
This
study
aimed
explore
efficacy
biochar-based
synthetic
community
(SynCom)
in
mitigating
RC-MPs-induced
stress
on
plant
growth,
soil
physicochemical
properties
microbial
communities
peanuts
cultivated
RC-MPs
contaminated
soil.
findings
revealed
that
significantly
reduced
peanut
shoot
dry
weight,
root
vigor,
nodule
quantity,
enzyme
activity,
urease
dehydrogenase
well
available
potassium,
bacterial
abundance
(p
<
0.05).
Moreover,
identified
highly
effective
growth-promoting
rhizobacteria
(PGPR)
from
rhizosphere,
which
were
subsequently
integrated
into
SynCom
immobilized
within
biochar.
Application
increased
biomass,
number,
antioxidant
alongside
enhancing
activity
rhizosphere
Interestingly,
under
high-dose
treatment,
there
was
increase
diversity,
exhibiting
distinct
clustering
patterns.
However,
application
did
not
induce
alterations
this
regard.
In
summary,
investigated
proved
be
potential
amendment
for
deleterious
effects
preserving
functionality.
presents
promising
solution
challenges
posed
by
soil,
offering
novel
avenues
remediation.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 28, 2024
Abstract
Myxobacteria,
belonging
to
the
phylum
Myxococcota,
are
ubiquitous
in
soil,
marine,
and
other
environments.
Recent
metagenomic
sequencing
analysis
has
shown
that
Myxococcota
predominant
activated
sludge
systems;
however,
their
ecophysiological
traits
remain
unclear.
In
this
study,
we
evaluated
potential
biological
functions
of
46
bins
reconstructed
from
samples
four
municipal
sewage
treatment
plants.
The
results
showed
most
had
an
almost
complete
set
genes
associated
with
glycolysis
TCA
cycle.
Palsa-1104
Polyangiales
contain
glycoside
hydrolase
GH13
peptidase
M23,
which
presumably
involved
lysis
cell
wall
cellular
cytoplasm,
indicating
part
can
prey
on
microorganisms.
previously
known
contact-dependent
predatory
Myxococcus
xanthus
conserved
family
Myxococcaceae,
though
not
families.
Two
phototrophic
gene
clusters,
suggesting
these
may
have
both
heterotrophic
autotrophic
metabolisms.
Assessment
social
behavior
a
FruA
gene,
C-signal
regulation
fruiting
body
formation
were
lacking
bins,
they
incapable
formation.
addition,
multiple
novel
secondary
metabolite
biosynthesis
clusters
be
used
for
predation
bacteria
sludge.
Our
metagenome-based
analyses
provide
insights
into
microbial
interactions
ecosystems.
Currently,
there
is
a
growing
concern
about
water
scarcity.
The
rising
demand
for
wastewater
treatment
systems
that
facilitate
the
reuse
of
has
resulted
in
focus
on
use
microalgae
sustainable
treatments.
These
methods
not
only
eliminate
nutrients
from
but
also
produce
biomass
can
be
used
to
obtain
high-value
products.
study
aimed
observe
effect
different
hydraulic
retention
times
(HRTs)
and
treated
urban
(TUWW)
percentages
growth
nutrient
consumption
membrane
photobioreactors
(MPBRs).
results
indicated
increased
with
HRT,
regardless
TUWW
percentage.
decreases
as
percentage
increases
influent,
HRT.
Between
40%
60%,
stabilises,
followed
by
significant
increase
all
MPBRs
when
100%
influent
used,
resulting
highest
concentrations.
As
TRH
increases,
ammonium
total
nitrogen
increase.
When
analysing
percentage,
positive
trend
observed
consumption,
value
reached
used.
removal
quantity
increases.
most
favourable
operational
parameters
are
achieved
7-day
HRT
influent.
After
applying
Response
Surface
Methodology
predictive
models
maximising
their
response,
it
was
confirmed
above
operating
conditions
were
optimal
within
limits
study.
Microbes and Environments,
Год журнала:
2024,
Номер
39(4), С. n/a - n/a
Опубликована: Янв. 1, 2024
Myxobacteria,
belonging
to
the
phylum
Myxococcota,
are
ubiquitous
in
soil,
marine,
and
other
environments.
A
recent
metagenomic
sequencing
ana-lysis
showed
that
Myxococcota
predominant
activated
sludge
systems;
however,
their
metabolic
traits
remain
unclear.
In
present
study,
we
exami-ned
potential
biological
functions
of
46
bins
reconstructed
from
samples
four
municipal
sewage
treatment
plants.
The
results
obtained
most
had
an
almost
complete
set
genes
associated
with
glycolysis
TCA
cycle.
Palsa-1104
Polyangiales
contained
glycoside
hydrolase
GH5
peptidase
M23,
which
presumably
involved
lysis
cell
wall
cellular
cytoplasm,
suggesting
some
prey
on
microorganisms.
contact-dependent
predatory
Myxococcus
xanthus
conserved
family
Myxococcaceae,
but
not
families.
Two
phototrophic
gene
clusters,
indicating
for
heterotrophic
autotrophic
metabolism
by
these
microbes.
assessments
social
behavior
sludge,
FruA
C-signal
gene,
regulation
fruiting
body
formation,
were
lacking
bins,
inability
form
bodies.
addition,
multiple
novel
secondary
metabolite
biosynthesis
clusters
may
be
used
predation
bacteria
sludge.
Our
metagenome-based
ana-lyses
provide
insights
into
microbial
interactions
ecosystems.
