Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Окт. 3, 2022
Abstract
Zhanjiang
Gaoqiao
Mangrove
Reserve
is
one
of
the
largest
mangrove
reserves
in
China,
and
its
unique
ecosystem
makes
rich
microbial
resources.
In
this
study,
sediments
from
was
used
as
samples,
polyethylene
(PE)
sole
carbon
source
carbon-free
medium.
The
microorganisms
sediment
were
enriched,
isolated,
purified
to
obtain
PE-degradable
bacteria;
species
PE-degrading
bacteria
determined
by
morphological
analysis,
biochemical
identification
molecular
identification;
degradation
ability
strain
PE
evaluated
weight
loss
rate
Fourier
transform
infrared
spectroscopy
(FTIR).
obtained
results
presented
three
strains
pseudo-degradable
S1-1,
S1-2
S1-3,
which
belonged
Pseudomonas
aeruginosa
,
Acinetobucter
venetianus
Klebsiella
pneumoniae
respectively.
Among
them,
S1-3
had
best
effect,
reached
4.25%
after
120
days.
rates
S1-1
3.81%
3.88%,
Under
observation
FTIR,
it
found
that
all
could
change
internal
structure
PE.
This
study
laid
a
foundation
for
verification
provided
reference
bioremediation
pollution
environment.
Biology,
Год журнала:
2023,
Номер
12(5), С. 757 - 757
Опубликована: Май 22, 2023
The
occurrence
and
distribution
characteristics
of
tetrabromobisphenol
A
(TBBPA)
its
relationship
with
microbial
community
diversity
in
different
mangrove
sediments
need
further
investigation.
results
this
study
indicated
levels
TBBPA
from
the
Zhangjiang
Estuary
(ZJ),
Jiulongjiang
(JLJ),
Quanzhou
Bay
(QZ)
Southeast
China
ranging
1.80
to
20.46,
3.47
40.77,
2.37
19.83
ng/g
dry
weight
(dw),
respectively.
Mangrove
JLJ
contained
higher
TBBPA,
possibly
due
agricultural
pollution.
correlation
analysis
revealed
a
significant
between
total
organic
carbon
(TOC),
nitrogen
(TN),
ZJ
sediments,
but
not
QZ
sediments.
TOC
significantly
affected
pH
had
no
effect.
High-throughput
16S
rRNA
gene
sequencing
showed
that
Pseudomonadota
dominated
sediment
bacteria
followed
by
Chloroflexota,
Actinobacteota,
Bacillota,
Acidobacteriota,
Bacteroidota,
Aminicenantes
Although
structure
ZJ,
JLJ,
was
similar,
taxonomic
profile
their
sensitive
responders
differed
markedly.
genus
Anaerolinea
dominant
responsible
for
situ
dissipation
TBBPA.
Based
on
redundancy
analysis,
there
TOC,
TN,
C/N,
pH,
at
level.
Combining
may
induce
variations
Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Окт. 3, 2022
Abstract
Zhanjiang
Gaoqiao
Mangrove
Reserve
is
one
of
the
largest
mangrove
reserves
in
China,
and
its
unique
ecosystem
makes
rich
microbial
resources.
In
this
study,
sediments
from
was
used
as
samples,
polyethylene
(PE)
sole
carbon
source
carbon-free
medium.
The
microorganisms
sediment
were
enriched,
isolated,
purified
to
obtain
PE-degradable
bacteria;
species
PE-degrading
bacteria
determined
by
morphological
analysis,
biochemical
identification
molecular
identification;
degradation
ability
strain
PE
evaluated
weight
loss
rate
Fourier
transform
infrared
spectroscopy
(FTIR).
obtained
results
presented
three
strains
pseudo-degradable
S1-1,
S1-2
S1-3,
which
belonged
Pseudomonas
aeruginosa
,
Acinetobucter
venetianus
Klebsiella
pneumoniae
respectively.
Among
them,
S1-3
had
best
effect,
reached
4.25%
after
120
days.
rates
S1-1
3.81%
3.88%,
Under
observation
FTIR,
it
found
that
all
could
change
internal
structure
PE.
This
study
laid
a
foundation
for
verification
provided
reference
bioremediation
pollution
environment.
