UMYU Scientifica,
Journal Year:
2023,
Volume and Issue:
2(3), P. 128 - 141
Published: Sept. 30, 2023
In
this
study,
we
investigated
the
heavy
metal
absorption
of
Alcaligenes
faecalis
strain
U.B.I.,
a
bacteria
isolated
from
mining
site,
under
different
environmental
conditions.
We
utilized
both
conventional
and
molecular
techniques
to
identify
employed
response
surface
methodology
(R.S.M.)
determine
optimal
conditions
for
absorption.
Our
analysis
revealed
that
metal-tolerant
belong
Proteobacteria,
specifically
Betaproteobacteria
order
in
Burkholderiales
family.
Additionally,
bacteria’s
phylogenetic
characteristics
indicated
close
relationship
between
Aeromonas
sp.
cluster
members
Aeromonadaceae
results
showed
biomass
A.
U.B.I.
had
an
potential
chromium
(Cr+)
at
93.0%.
also
conducted
tests
on
optimized
lead
(Pb2+)
using
R.S.M.,
resulting
mean
uptake
89.99%.
Furthermore,
analyzed
functional
groups
after
interaction
with
metals
observed
significant
shift
position
groups.
The
O-H
stretch
H-bonded
3268
cm1
position,
while
C=C
N-O
asymmetrical
stretch/C-O
occurred
positions
2195
cm-1
1629
spectra,
respectively.
findings
suggest
has
bioremediation
can
be
used
biosorption
various
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Oct. 8, 2024
Chitosan
(CTS)
is
recognized
for
enhancing
a
plant's
resilience
to
various
environmental
stresses,
such
as
salinity
and
drought.
Moreover,
salicylic
acid
(SA)
acknowledged
growth
regulator
involved
in
addressing
metal
toxicity.
However,
the
effectiveness
of
both
compounds
mitigating
Cr-induced
stress
has
remained
relatively
unexplored,
especially
case
Aconitum
napellus,
medicinally
floricultural
important
plant.
Therefore,
primary
objective
this
study
was
investigate
potential
CTS
SA
alleviating
chromium
(Cr)-induced
A.
napellus.
To
address
these
research
questions,
we
conducted
controlled
experiment
using
potted
plants
evaluate
individual
combined
impacts
on
exposed
Cr
stress.
Foliar
application
(0.4
g/L)
or
(0.25
mmol/L)
led
significant
improvements
growth,
chlorophyll
content,
fluorescence,
photosynthetic
traits
napellus
under
The
most
notable
effects
were
observed
with
SA,
resulting
increases
morphological
parameters,
shoot
length
(2.89%
7.02%)
root
(27.75%
3.36%)
1
2
treatments,
respectively.
Additionally,
several
physiological
(762.5%
145.56%),
b
carotenoid
(17.03%
28.57%),
anthocyanin
(112.01%
47.96%)
contents,
notably
improved
treatment
fluorescence
parameters
while
decreasing
levels
enzymatic
antioxidants
catalase
(27.59%
43.79%,
respectively).
also
increased
osmoprotectant
total
protein
content
(54.11%
20.07%)
soluble
sugar
(78.17%
49.82%)
leaves
In
summary,
results
strongly
suggest
that
simultaneous
use
exogenous
an
effective
strategy
detrimental
This
integrated
approach
opens
promising
avenues
further
exploration
implementation
within
agricultural
production
systems.
UMYU Scientifica,
Journal Year:
2023,
Volume and Issue:
2(3), P. 128 - 141
Published: Sept. 30, 2023
In
this
study,
we
investigated
the
heavy
metal
absorption
of
Alcaligenes
faecalis
strain
U.B.I.,
a
bacteria
isolated
from
mining
site,
under
different
environmental
conditions.
We
utilized
both
conventional
and
molecular
techniques
to
identify
employed
response
surface
methodology
(R.S.M.)
determine
optimal
conditions
for
absorption.
Our
analysis
revealed
that
metal-tolerant
belong
Proteobacteria,
specifically
Betaproteobacteria
order
in
Burkholderiales
family.
Additionally,
bacteria’s
phylogenetic
characteristics
indicated
close
relationship
between
Aeromonas
sp.
cluster
members
Aeromonadaceae
results
showed
biomass
A.
U.B.I.
had
an
potential
chromium
(Cr+)
at
93.0%.
also
conducted
tests
on
optimized
lead
(Pb2+)
using
R.S.M.,
resulting
mean
uptake
89.99%.
Furthermore,
analyzed
functional
groups
after
interaction
with
metals
observed
significant
shift
position
groups.
The
O-H
stretch
H-bonded
3268
cm1
position,
while
C=C
N-O
asymmetrical
stretch/C-O
occurred
positions
2195
cm-1
1629
spectra,
respectively.
findings
suggest
has
bioremediation
can
be
used
biosorption
various