Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Dec. 21, 2023
Abstract
Sulfur
(S)
is
one
of
the
main
components
important
biomolecules,
which
has
been
paid
more
attention
in
anaerobic
environment
rice
cultivation.
In
this
study,
12
accessions
materials,
belonging
to
two
Asian
domestication
systems
and
African
system,
were
used
by
shotgun
metagenomics
sequencing
compare
structure
function
rhizosphere
microbiome
between
wild
cultivated
rice.
Compared
with
rice,
S-cycling
microbial
community
showed
higher
diversity,
closer
correlation
lower
evenness.
Furthermore,
sulfur
cycle
functional
genes
significantly
different
processes
sulfate
reduction
other
compounds
conversion,
implicating
that
had
a
stronger
mutually-beneficial
relationship
microbiome.
To
assess
effects
synthetic
microbiomes,
dissimilatory
dominated
was
selected
as
direction
improve
utilization
Comamonadaceae
Rhodospirillaceae
,
families
containing
key
steps
reduction,
aprA
dsrA
respectively,
isolated
construct
control
group
inoculated
proportions
groups,
improved
equal
group.
It
confirmed
can
promote
suggested
may
be
feasible
step
based
on
achieve
target
pathway.
summary,
study
reveals
response
domestication,
provides
new
idea
for
construction
Abstract
Sulfur
(S)
is
one
of
the
main
components
important
biomolecules,
which
has
been
paid
more
attention
in
anaerobic
environment
rice
cultivation.
In
this
study,
12
accessions
materials,
belonging
to
two
Asian
domestication
systems
and
African
system,
were
used
by
shotgun
metagenomics
sequencing
compare
structure
function
involved
S
cycle
rhizosphere
microbiome
between
wild
cultivated
rice.
The
sulfur
functional
genes
abundances
significantly
different
processes
sulfate
reduction
other
compounds
conversion,
implicating
that
had
a
stronger
mutually-beneficial
relationship
with
microbiome,
enhancing
utilization.
To
assess
effects
synthetic
microbiomes,
Comamonadaceae
Rhodospirillaceae,
families
containing
key
steps
dissimilatory
reduction,
aprA
dsrA
respectively,
isolated
from
rhizosphere.
Compared
control
group,
was
improved
inoculated
proportions
groups.
It
confirmed
can
promote
S-cycling
rice,
suggested
may
be
feasible
construct
step
based
on
achieve
target
pathway.
summary,
study
reveals
response
microbial
community
domestication,
provides
new
idea
for
construction
microbiome.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
The
transformation
behaviors
of
arsenic
(As)
and
cadmium
(Cd)
in
contaminated
soils
are
generally
complex
process
due
to
their
distinct
chemical
physical
characteristics,
which
poses
challenge
for
remediation.
This
study
proposes
an
efficient
strategy
the
simultaneous
immobilization
Cd
As
using
sulfur-ferrihydrite-modified
biochar
(SFB)
as
organic
amendment.
A
series
experiments,
including
batch
pot
was
conducted
under
controlled
conditions.
results
showed
that
maximum
sorption
capacities
by
SFB
were
76.69
mg
kg-1
8.28
kg-1,
respectively,
significantly
higher
than
those
(BC),
ferrihydrite
(FH)
ferrihydrite-biochar
(FB).
capacity
is
attributed
synergistic
interactions
between
ferrihydrite.
follows
Langmuir
isothermal
model
pseudo-second-order
kinetic
model,
indicating
a
combination
chemisorption
mechanisms.
removal
mechanisms
primarily
involve
precipitation,
oxidation
complexation,
while
mainly
include
ion
exchange,
electrostatic
sorption.
Application
reduced
bioavailable
forms
soil,
shifting
toward
more
stable
residual
states
enhancing
immobilization.
Overall,
novel
effective
adsorbent
immobilizing
agricultural
soils,
promoting
safer
crops
production
field.
