Agronomy,
Год журнала:
2024,
Номер
14(11), С. 2596 - 2596
Опубликована: Ноя. 4, 2024
Selenium,
as
an
essential
trace
element,
is
intricately
linked
to
the
onset
and
progression
of
numerous
diseases
due
deficiencies
in
selenium
intake.
Selenium
compounds
exhibit
tumor
specificity
can
efficiently
inhibit
growth
cells,
making
them
potential
candidates
for
cancer
treatment.
Nevertheless,
given
its
status
one
most
widely
consumed
crops
globally,
increasing
content
rice
could
prove
advantageous
alleviating
prevailing
issue
intake
deficiency,
particularly
China.
This
review
explored
regulatory
role
growth,
regional
distribution
characteristics
soil
various
rice-growing
regions
China,
impact
cultivation
practices
on
fortification
rice,
aiming
suggest
improved
management
strategies
enhance
capacity
biofortification.
The
findings
revealed
that:
(1)
In
Northeast
North
characterized
by
alkaline
soils
severe
it
advisable
moderately
decrease
duration
flooding,
elevate
redox
potential,
apply
organic
nitrogen
fertilizers
a
judicious
manner.
(2)
Southwest
which
acidic
soils,
alternating
wet
dry
irrigation
should
be
employed,
biofortification
facilitated
applying
lime
foliar
spraying
fertilizer.
(3)
south-central
region
distinguished
double-cropped
recommended
that
intermittent
or
reasonable
application
organic,
silica,
advocated.
(4)
northwest
region,
slightly
mild
implement
water
practices,
including
shallow
during
seedling
stage,
deep
booting
grain
filling.
Additionally,
rational
nitrogen,
phosphorus,
potassium
fertilizers,
along
with
fertilizer,
employed.
(5)
Cultivating
selenium-enriched,
high-yielding,
high-quality
varieties
proves
effective
strategy
addressing
deficiency.
conclusion,
unique
diverse
China
indicate
suitable
management,
fertilization
techniques,
varietal
selection
effectively
thereby
maximizing
nutritional
requirements
selenium.
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 2, 2025
Selenium
(Se)
is
an
essential
micronutrient
for
higher
organisms
and
plays
a
beneficial
role
in
plant
growth
development.
In
recent
years,
there
has
been
growing
interest
the
using
of
Se
to
enhance
resilience,
particularly
mitigating
effects
diseases
pests
agricultural
systems.
This
review
offers
comprehensive
analysis
sources
chemical
forms
soil,
investigates
mechanisms
uptake
metabolism
different
forms,
evaluates
physical
inhibition
pathogens
by
various
as
well
enhancing
systemic
resistance
crop
protection.
Additionally,
we
summarize
current
research
on
pest
disease
control
explore
potential
future
directions,
with
focus
integrating
into
sustainable
practices.
The
insights
presented
this
seek
establish
solid
scientific
foundation
Se-based
approaches
emphasize
its
application
agriculture.
Ciência e Agrotecnologia,
Год журнала:
2025,
Номер
49
Опубликована: Янв. 1, 2025
ABSTRACT
Selenium
(Se)
is
essential
for
humans
and
other
animals
beneficial
to
plants.
However,
high
Se
concentrations
cause
toxicity
in
living
organisms.
Arbuscular
mycorrhizae
are
a
symbiotic
interaction
between
arbuscular
mycorrhizal
fungi
(AMF)
plants
that
can
alleviate
metal
phytotoxicity.
This
study
used
synchrotron
X-ray
fluorescence
(S-XRF)
microanalyses
identify
compartmentalization
AMF
structures
as
possible
protection
mechanism
against
Our
experiments
investigated
the
exposure
brachiaria
(Urochloa
decumbens)
under
inoculation
(pot
experiment)
spores
(Petri
dish
experiment).
In
pot
experiment,
treatments
consisted
of
five
doses
soil
(0,
2,
4,
6,
8
mg
kg-1)
combined
with
four
conditions
(Acaulospora
morrowiae,
Dentiscutata
heterogama,
Rhizophagus
clarus,
not
inoculated).
Petri
seven
D.
heterogama
were
grown
an
agar
medium
same
described
previously.
The
inoculated
showed
shoot
dry
matter
production
26%
higher
than
kg-1
Se.
R.
clarus
decreased
concentration
shoots
by
37%
compared
highest
dose.
addition,
S-XRF
analysis
identified
vesicle
inside
root
fragment,
showing
ten
times
tissues.
35
cultivated
L-1
results
indicated
protect
due
vesicles
spores.
Cardamine
hupingshanensis
is
a
plant
known
for
its
unique
selenium
tolerance,
making
it
key
model
metabolism
research.
Adenosine
phosphosulfate
kinase
(APK)
and
adenosine
reductase
(APR)
are
widely
distributed
in
plants
play
crucial
role
metabolism.
While
genome-wide
analyses
of
the
APK
APR
families
have
been
conducted
across
various
species,
systematic
identification
analysis
these
gene
still
lacking.
There
7
ChAPK
5
ChAPR
genes
identified
from
genome
C.
hupingshanensis,
which
can
be
classified
into
4
subfamilies
3
ChAPR,
respectively.
All
members
share
similar
conserved
motifs
structures.
Phylogenetic
promoter
suggest
they
involved
environmental
responses,
phytohormone
regulation,
light
signalling.
Molecular
docking
indicated
that
enzymes
higher
affinity
phosphoselenate
(APSe)
compared
to
ChAPR.
In
3D
interaction
force
analysis,
residues
such
as
His80,
Asp134
Arg137
were
found
interact
with
substrate
APSe
ChAPK.
For
Gly226,
Arg313
Leu150
primarily
catalytic
site.
Leaf
cells
exhibited
reduced
state
under
1
µg
Se
L-
selenite
concentration,
but
showed
an
oxidative
at
100
1,
by
antioxidant
enzyme
activities
metabolite
assays.
The
expression
level
ChAPK2-1
ChAPR2
increased
4.2-
10.1-folds,
respectively,
cells,
smaller
increases
state,
only
1.5-fold
5.2-fold.
strong
regulated
redox
state.
However,
three
(ChAPK1-1,
ChAPK1-2,
ChAPK4-2)
located
chloroplast.
Furthermore,
low
concentrations
nutrient
solution
promote
activity
leaves
seedlings,
whereas
high
exhibit
opposite
effect,
confirmed
results
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
287, С. 117262 - 117262
Опубликована: Окт. 31, 2024
High
selenium
(Se)
levels
can
induce
toxicity,
inhibit
growth,
and
affect
gene
expression
metabolite
content
in
plants.
However,
the
molecular
mechanism
by
which
high
Se
stress
affects
soybean
plants
remains
unclear.
This
study
examined
responses
of
leaves
roots
to
using
transcriptome
metabolome
analyses.
significantly
inhibited
root
reduced
leaf
area,
affected
antioxidant
enzyme
system
leaves,
resulting
accumulation
malondialdehyde
(MDA).
increased
indoleacetic
acid
(IAA),
abscisic
(ABA),
jasmonic
(JA),
salicylic
(SA)
3.34-fold,
8.94-fold,
0.25-fold,
5.65-fold,
respectively.
Similarly,
IAA,
ABA,
JA,
SA
1.96-fold,
10.54-fold,
2.03-fold,
4.22-fold,
In
addition,
ion
absorption
transport
Transcriptome
results
showed
that
there
were
10,038
differentially
expressed
genes
(DEGs)
5811
DEGs
enzymes,
hormone-related
genes.
Metabolome
revealed
277
metabolites
(DEMs)
312
DEMs
roots.
Soybean
enriched
"β-alanine
metabolism"
pathway
under
stress,
with
differential
Aldehyde
dehydrogenase
(ALDH),
Amine
oxidase
(AO),
other
related
genes,
thereby
relieving
oxidative
stress.
improves
our
understanding
mechanisms
underlying
provides
a
basis
for
breeding
Se-enriched
