Water Environment Research,
Journal Year:
2024,
Volume and Issue:
96(8)
Published: Aug. 1, 2024
Abstract
Petroleum
hydrocarbons
(PHCs)
can
be
biodegraded
into
CO
2
,
and
PHC‐contaminated
aquifers
are
always
deemed
as
carbon
sources.
Fortunately,
some
fixation
microorganisms
have
been
found
in
sites.
However,
most
of
the
studies
related
to
volatile
short‐chain
PHC,
few
focus
on
long‐chain
To
reveal
these
sites,
study,
a
PHC
polluted
site
North
China
was
selected.
Through
hydrochemical
metagenomics
analysis,
structure
capacity
fixing
were
revealed.
Results
showed
that
there
many
kinds
fixed
identified
such
Flavobacterium
Pseudomonas
.
HP/4HB,
rTCA,
DC/4HB
cycles
dominated
pathways.
The
weakly
correlated
with
microorganisms,
but
it
may
stimulate
growth
involved
rTCA
cycle.
Practitioner
Points
gene
exist
aquifer
contaminated
by
petroleum
hydrocarbon.
Microorganisms
ability
degrade
also
fixation.
Long‐chain
hydrocarbon
promote
microorganisms.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(5), P. 956 - 956
Published: May 8, 2024
In
nature,
the
symbiotic
relationship
between
plants
and
microorganisms
is
crucial
for
ecosystem
balance
plant
growth.
This
study
investigates
impact
of
Forests,
Journal Year:
2024,
Volume and Issue:
15(7), P. 1140 - 1140
Published: June 29, 2024
Afforestation
is
a
widely
used
method
of
controlling
desertification
globally
as
it
significantly
impacts
the
soil
quality,
microbial
community
structure,
and
function.
Investigating
effects
various
artificial
vegetation
restoration
models
on
communities
crucial
in
understanding
mechanisms
involved
combating
desertification.
However,
research
this
topic
arid,
desertified
regions
limited.
In
study,
we
collected
samples
from
two
types
forests
(single
species
mixed
species)
bare
desert
soils
areas
Northwest
China
to
explore
impact
afforestation
nutrients,
composition,
network
relationships,
carbohydrate
degradation
abilities
using
metagenomic
sequencing
techniques.
Our
findings
indicate
that
enhances
moisture,
total
carbon,
available
phosphorus,
nitrogen
levels.
The
under
mixed-species
exhibited
higher
levels
than
single-species
forests.
Following
afforestation,
populations
Pseudomonadota,
Acidobacteriota,
Cyanobacteria
increased
significantly,
whereas
Actinomycetota
decreased
markedly.
forests,
Pseudomonadota
Bacillota
were
enriched,
Chloroflexota,
Planctomycetota,
Acidobacteriota
more
prevalent
plantations.
increases
complexity
stability
networks.
metabolic
activity,
particularly
increasing
abundance
carbon
functional
genes
forest
compared
soils.
Mixed-species
plantations
outperform
enhancing
metabolism,
amino
acid
biodegradation
metabolism
xenobiotics.
associated
with
starch,
cellulose,
hemicellulose,
chitin,
pectin
was
greater
study
shows
effectively
improves
communities,
bolsters
cycle
arid
prone
reciprocal
relationship
between
microorganisms
plants
may
serve
an
intrinsic
mechanism
by
which
controls
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(8), P. 1648 - 1648
Published: Aug. 12, 2024
Shrub
invasion
affects
plant
growth
and
soil
physicochemical
properties,
resulting
in
microbiota
metabolic
pathway
changes.
However,
little
is
known
about
the
shrub
expansion
intensity
of
microbial
processes.
In
this
study,
we
used
metagenome
sequencing
technology
to
investigate
changes
C
N
pathways
community
structures,
along
with
different
intensities,
Sanjiang
Plain
wetlands.
Different
intensities
significantly
affected
composition
(β
diversity),
no
significant
effect
on
α
diversity
compared
CK.
AN,
pH,
TP
were
major
factors
influencing
community’s
structures.
Compared
CK,
did
not
affect
fixation
central
metabolism
but
reduced
methanogenesis,
which
involves
CO2-to-methane
transition
that
occurs
methane
metabolism,
denitrification,
nitrite
nitric
oxide
(nirK
or
nirS)
metabolism.
This
study
provides
an
in-depth
understanding
biogeochemical
cycles
wetland
ecosystems
cold
northern
regions
undergoing
invasion.
