Agronomy,
Год журнала:
2018,
Номер
8(3), С. 27 - 27
Опубликована: Март 7, 2018
Nutrients
that
are
contained
in
aquaculture
effluent
may
not
supply
sufficient
levels
of
nutrients
for
proper
plant
development
and
growth
hydroponics;
therefore,
they
need
to
be
supplemented.
To
determine
the
required
level
supplementation,
three
identical
aquaponic
systems
(A,
B,
C)
one
hydroponic
system
(D)
were
stocked
with
lettuce,
mint,
mushroom
herbs.
The
Nile
tilapia.
System
A
only
received
derived
from
fish
feed;
B
feed
as
well
weekly
supplements
micronutrients
Fe;
C
same
macronutrients,
P
K;
D,
a
inorganic
solution
containing
N,
Ca,
was
added
weekly.
Lettuce
achieved
highest
yields
C,
mint
herb
B.
present
study
demonstrated
nutritional
requirements
make
them
suitable
farming
because
require
low
supplement
addition,
hence
little
management
effort,
resulting
minimal
cost
increases.
While
addition
accelerated
lettuce
(Systems
C),
even
surpassed
(System
vs.
D),
quality
(polyphenols,
nitrate
content)
better
without
supplementation.
PLoS Biology,
Год журнала:
2019,
Номер
17(11), С. e3000534 - e3000534
Опубликована: Ноя. 13, 2019
Phosphate
starvation
response
(PSR)
in
nonmycorrhizal
plants
comprises
transcriptional
reprogramming
resulting
severe
physiological
changes
to
the
roots
and
shoots
repression
of
plant
immunity.
Thus,
plant-colonizing
microorganisms-the
microbiota-are
exposed
direct
influence
by
soil's
phosphorus
(P)
content
itself
as
well
indirect
effects
soil
P
on
microbial
niches
shaped
plant.
The
individual
contribution
these
factors
microbiota
assembly
remains
unknown.
To
disentangle
effects,
we
planted
PSR-deficient
Arabidopsis
mutants
a
long-term
managed
gradient
compared
composition
their
shoot
root
wild-type
across
different
concentrations.
PSR-deficiency
had
larger
effect
both
bacterial
fungal
plant-associated
than
concentrations
shoots.
dissect
plant-microbe
interactions
under
variable
conditions,
conducted
reconstitution
experiment.
Using
185-member
synthetic
community
(SynCom)
wide
concentration
an
agar
matrix,
demonstrated
shift
bacteria
from
neutral
or
positive
interaction
negative
one,
measured
rosette
size.
This
phenotypic
was
accompanied
composition:
genus
Burkholderia
specifically
enriched
tissue
starvation.
Through
drop-out
experiment,
that
absence
SynCom,
accumulated
higher
ortophosphate
(Pi)
levels
colonized
with
full
SynCom
but
only
Pi
conditions.
Therefore,
Pi-stressed
are
susceptible
colonization
latent
opportunistic
competitors
found
within
microbiome,
thus
exacerbating
plant's
Journal of Experimental Botany,
Год журнала:
2021,
Номер
72(11), С. 4038 - 4052
Опубликована: Янв. 19, 2021
Abstract
Organic
acids
(OAs)
are
central
to
cellular
metabolism.
Many
plant
stress
responses
involve
the
exudation
of
OAs
at
root–soil
interface,
which
can
improve
soil
mineral
acquisition
and
toxic
metal
tolerance.
Because
their
simple
structure,
low-molecular-weight
widely
studied.
We
discuss
conventional
roles
OAs,
some
newly
emerging
in
more
versatile
role
tolerance
efficient
chelating
agents
than
other
acids,
such
as
amino
acids.
Root
OA
is
important
carbon
sequestration.
These
functions
key
processes
combating
climate
change
helping
with
sustainable
food
production.
briefly
review
mechanisms
behind
enhanced
biosynthesis,
secretion,
regulation
these
activities
under
different
stresses,
provide
an
outline
transgenic
approaches
targeted
towards
production
secretion
OAs.
A
recurring
theme
biology
‘acids’
modifying
pH,
‘chelators’
binding
metals,
or
‘carbon
sources’
for
microbes.
argue
that
multiple
factors
understanding
molecules’
biology.
Finally,
we
how
could
be
used,
identify
unanswered
questions.
Plant Communications,
Год журнала:
2024,
Номер
5(5), С. 100821 - 100821
Опубликована: Янв. 16, 2024
Anthocyanin
accumulation
is
acknowledged
as
a
phenotypic
indicator
under
phosphate
(Pi)
starvation.
However,
the
negative
regulator
of
this
process
and
molecular
mechanisms
remain
largely
unexplored.
In
study,
our
results
revealed
WRKY33
acts
phosphorus-status-dependent
anthocyanin
biosynthesis.
regulates
expression
dihydroflavonol
4-reductase
(DFR),
rate-limiting
enzyme
in
production,
direct
indirect
manner.
directly
binds
to
DFR
promoter
repress
its
or
interacts
with
PAP1
by
interfering
MBW
complex
influence
transcriptional
activation
indirectly.
-Pi
conditions,
PHR1
interacted
WRKY33,
protein
level
decreased,
thereby
repression
on
attenuated,
leading
Arabidopsis.
Further
genetic
biochemical
assays
suggest
that
also
involved
regulating
factors
impact
turnover.
Taken
together,
findings
reveal
Pi
starvation
represses
repressor
biosynthesis,
finely
tune
This
'double-negative
logic'
regulation
biosynthesis
required
for
plants
maintain
metabolic
homeostasis
adaption
Frontiers in Plant Science,
Год журнала:
2019,
Номер
10
Опубликована: Июнь 17, 2019
Mineral
nutrition
is
a
major
factor
affecting
plant
growth
and
function.
Increasing
evidence
supports
the
involvement
of
macro
micronutrients
in
secondary
metabolism.
The
use
appropriate
nutritional
measures
including
organic
fertilizers,
supplements,
biostimulants
therefore
vital
aspect
medicinal
production
medical
cannabis.
Due
to
legal
restriction
on
cannabis
research,
very
little
information
available
concerning
effects
supplements
physiological
chemical
properties
cannabis,
their
potential
role
standardization
active
compounds
material
supplied
patients.
This
study
evaluated
supplementations,
humic
acids
(HAs)
inorganic
N,
P,
K
affect
cannabinoid
profile
throughout
plant.
plants
were
exposed
three
enhanced
treatments,
compared
commercial
control
treatment.
treatments
supplemented
with
HA,
P
fertilization,
or
NPK.
results
demonstrate
sensitivity
cannabinoids
metabolism
mineral
nutrition.
affected
content
differently.
These
location
organ
specific,
varied
between
cannabinoids.
While
enhancement
treatment
did
not
THC,
CBD,
CBN,
CBG
concentrations
flowers
from
top
plants,
16%
reduction
THC
concentration
was
observed
inflorescence
leaves.
Enhanced
NPK
HA
also
produced
organ-specific
spatially
specific
responses
supplementation
increased
levels
by
71%,
lowered
CBN
both
leaves
38
36%,
respectively.
found
reduce
natural
spatial
variability
all
studied.
However,
uniformity
came
at
expense
higher
CBD
reduced
37
39%,
Changes
composition
areas
plants.
that
influence
an
organ-
spatial-dependent
manner.
Most
importantly,
confirm
environmental
factors
regulate
individual
identified
nutrient
can
be
further
developed
for
Journal of Experimental Botany,
Год журнала:
2020,
Номер
72(2), С. 199 - 223
Опубликована: Окт. 13, 2020
Inorganic
phosphate
(Pi)
is
an
essential
macronutrient
required
for
many
fundamental
processes
in
plants,
including
photosynthesis
and
respiration,
as
well
nucleic
acid,
protein,
membrane
phospholipid
synthesis.
The
huge
use
of
Pi-containing
fertilizers
agriculture
demonstrates
that
the
soluble
Pi
levels
most
soils
are
suboptimal
crop
growth.
This
review
explores
recent
advances
concerning
understanding
adaptive
metabolic
plants
have
evolved
to
alleviate
negative
impact
nutritional
deficiency.
Plant
starvation
responses
arise
from
complex
signaling
pathways
integrate
altered
gene
expression
with
post-transcriptional
post-translational
mechanisms.
resultant
remodeling
transcriptome,
proteome,
metabolome
enhances
efficiency
root
acquisition
soil,
assimilated
throughout
plant.
We
emphasize
how
up-regulation
high-affinity
transporters
intra-
extracellular
scavenging
recycling
enzymes,
organic
acid
anion
efflux,
remodeling,
remarkable
flexibility
plant
metabolism
bioenergetics
contribute
survival
Pi-deficient
plants.
research
field
enabling
development
a
broad
range
innovative
promising
strategies
engineering
phosphorus-efficient
crops.
Such
cultivars
urgently
needed
reduce
inputs
unsustainable
non-renewable
maximum
agronomic
benefit
long-term
global
food
security
ecosystem
preservation.
