Sustainability,
Год журнала:
2023,
Номер
15(18), С. 13292 - 13292
Опубликована: Сен. 5, 2023
Owing
to
various
industrial
applications
of
mercury
(Hg),
its
release
into
the
environment
at
high
concentration
is
becoming
a
great
threat
living
organisms
on
global
scale.
Human
exposure
Hg
greatly
correlated
with
contamination
in
food
chain
through
cereal
crops
and
sea
foods.
Since
non-essential
component
does
not
possess
biological
role
exhibits
carcinogenic
genotoxic
behaviour,
biomonitoring
focus
biomagnification
higher
animals
plants
need
hour.
This
review
traces
plausible
relationship
between
concentration,
chemical
form,
exposure,
bioavailability,
bioaccumulation,
distribution,
ecotoxicology.
The
toxicity
molecular
mechanisms,
oxidative
stress
(OS),
protein
alteration,
genomic
change,
enzymatic
disruptions
are
discussed.
In
addition,
this
also
elaborates
advanced
strategies
for
reducing
such
as
algal
phytoremediation,
biochar
application,
catalytical
oxidation,
immobilization.
Furthermore,
there
challenges
overcome
future
perspectives
considering
concentrations,
biomarkers,
identification
nature
exposures
recommended.
Environmental Sciences Europe,
Год журнала:
2020,
Номер
32(1)
Опубликована: Окт. 2, 2020
Abstract
Background
Environmental
contamination
by
mercury
is
and
will
continue
to
be
a
serious
risk
for
human
health.
Pollution
of
the
terrestrial
environment
particularly
important
as
it
place
life
food
production.
This
publication
presents
review
literature
on
issues
related
pollution
environment:
soil
plants
their
transformations.
Results
Different
forms
atmospheric
Hg
may
deposited
surfaces
way
wet
dry
processes.
These
sequestered
within
compartments
or
emitted
back
into
atmosphere,
relative
importance
these
processes
dependent
form
Hg,
surface
chemistry,
environmental
conditions.
On
land
surface,
deposition
mainly
occurs
in
oxidized
(Hg
2+
),
its
transformations
are
associated
primarily
with
oxidation–reduction
potential
biological
chemical
methylation.
The
pollutants
ground
low
vegetation
3–5
times
lower
than
that
forests.
estimation
emissions
from
plants,
which
occur
0
form,
very
difficult.
Generally,
largest
amounts
tropical
regions,
followed
temperate
zone,
lowest
levels
polar
regions.
Areas
can
ranked
according
size
follows:
forests
>
other
areas
(tundra,
savannas,
chaparral)
agricultural
grassland
ecosystems;
devoid
emit
more
those
plants.
In
high
pollution,
such
near
mines,
content
much
higher
areas.
Conclusions
Mercury
recognized
toxic,
persistent,
mobile
contaminant;
does
not
degrade
becomes
because
volatility
element
several
compounds.
Atmospheric
continues
one
most
problems
modern
world.
general
conclusions
were
drawn
presented
this
paper.
Current Plant Biology,
Год журнала:
2021,
Номер
27, С. 100213 - 100213
Опубликована: Июнь 29, 2021
Recent
years
have
witnessed
a
gradual
increase
in
the
bioavailability
and
groundwater
leaching
of
toxic
heavy
metals
(HMs)
environment,
driven
mainly
by
anthropogenic
invasions.
HMs,
especially
ranked
as
toxic/carcinogenic
non-essential
ones
including
Cadmium
(Cd),
Arsenic
(As),
Aluminium
(Al),
Mercury
(Hg)
Lead
(Pb)
emerged
major
soil,
air
water
contaminants
affecting
food
production,
quality
security
worldwide.
HMs
affect
plant
growth
crop
yield.
Plants
developed
intricate
defense
mechanisms
for
safeguarding
themselves
against
effects
imposed
compartmentalization
sequestration
cell-organelles,
inactivation
complex
formation
with
organic
ligands
their
exclusion
using
transporters,
ion
channels,
transcription
factors
signaling
molecules,
beside
others.
Omics
approaches
generated
significant
resources
updates
on
genome,
transcriptome
metabolome
plasticity
HM-induced
stress
stimuli.
technologies
are
pragmatic
seen
feasible
characterizing
roles
genomes
(genomics),
coding
(transcriptomics)
non-coding
(miRNAomics)
RNA
transcripts,
metabolites
(metabolomics)
(metallomics),
which
can
ultimately
be
used
improving
tolerance
or
generating
resilience
systems.
This
review
aims
to
summarize
current
understandings
mechanistic
insights
selected
(Cd,
As,
Al,
Hg
Pb)
HM-plant
interactions,
uptake,
transport,
toxicity
chelation/sequestration
cellular
components,
besides
how
plants
respond
adapt
these
factors.
State-of-the-art
genomics,
transcriptomics,
metabolomics,
miRNAomics
metallomics
HM
research
been
presented.
Present
status,
challenges
future
prospects
also
discussed.
