Agronomy,
Journal Year:
2024,
Volume and Issue:
14(10), P. 2348 - 2348
Published: Oct. 11, 2024
The
contamination
of
soil
with
the
heavy
metal
cadmium
(Cd)
is
increasingly
prominent
and
severely
threatens
food
security
in
China.
Owing
to
its
low
cost,
suitable
efficacy,
ability
address
shortcomings
plant
remediation
by
enhancing
plants
take
up
Cd,
plant–microbe
combination
technology
has
become
a
research
hotspot
pollution
remediation.
A
pot
experiment
was
performed
examine
effects
inoculation
plant-growth-promoting
bacterium
Brevibacillus
sp.
SR-9
on
biomass,
Cd
accumulation,
nutrients
hybrid
Pennisetum.
purpose
this
study
determine
how
alleviates
stress
caused
contamination.
High-throughput
sequencing
metabolomics
were
used
bacterial
community
composition
microbial
metabolic
functions
associated
results
suggest
that
mutation
effectively
stress,
leading
increased
biomass
accumulation
aboveground
root
weight
12.08%
27.03%,
respectively.
Additionally,
sections
roots
21.16%
15.50%,
Measurements
physicochemical
properties
revealed
strain
slightly
levels
available
phosphorus,
total
nitrogen,
potassium.
DNA
implantation
modified
increasing
average
number
Actinobacteria
Bacillus.
nitrogen
content
positively
correlated
abundance,
phosphorus
level,
level.
Metabolomic
analysis
affected
abundance
metabolites,
59
differentially
abundant
metabolites
identified
(p
<
0.05).
Among
these,
14
presented
whereas
45
decreased
abundance.
Fourteen
pathways
enriched
these
metabolites:
folate
resistance
pathway,
ABC
transporter
D-glutamine
D-glutamic
acid
metabolism,
purine
pyrimidine
metabolism.
potassium,
nitrogen.
According
correlation
analyses,
development
Pennisetum
are
strongly
which
also
impact
certain
populations.
This
work
altering
makeup
communities
their
processes,
bacteria
promote
can
mitigate
Cd.
These
findings
reveal
microbiological
mechanisms
through
increase
present
contaminated
soils.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: May 26, 2022
Plant
beneficial
bacteria,
defined
as
plant
growth-promoting
rhizobacteria
(PGPR),
play
a
crucial
role
in
plants’
growth,
stress
tolerance
and
disease
prevention.
In
association
with
the
rhizosphere
of
plants,
PGPR
facilitate
growth
development
either
directly
or
indirectly
through
multiple
mechanisms,
including
increasing
available
mineral
nutrients,
moderating
phytohormone
levels
acting
biocontrol
agents
phytopathogens.
It
is
generally
accepted
that
effectiveness
inoculants
associated
their
ability
to
colonize,
survive
persist,
well
complex
network
interactions
rhizosphere.
Despite
promising
promotion
results
commonly
reported
mostly
attributed
phytohormones
other
organic
compounds
produced
by
inoculants,
little
information
on
potential
mechanisms
underlying
such
positive
effects
via
modifying
microbial
community
soil
functionality.
this
review,
we
overviewed
ecology
function,
hypothesizing
may
promote
health
composition
functioning
community,
highlighting
further
directions
for
investigating
from
an
ecological
perspective.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Sept. 14, 2022
One
of
the
most
significant
environmental
factors
affecting
plant
growth,
development
and
productivity
is
salt
stress.
The
damage
caused
by
to
plants
mainly
includes
ionic,
osmotic
secondary
stresses,
while
adapt
stress
through
multiple
biochemical
molecular
pathways.
Tomato
(Solanum
lycopersicum
L.)
one
widely
cultivated
vegetable
crops
a
model
dicot
plant.
It
moderately
sensitive
salinity
throughout
period
growth
development.
Biotechnological
efforts
improve
tomato
tolerance
hinge
on
synthesized
understanding
mechanisms
underlying
tolerance.
This
review
provides
comprehensive
major
advances
controlling
in
terms
sensing
signaling,
adaptive
responses,
epigenetic
regulation.
Additionally,
we
discussed
potential
application
these
improving
tomato,
including
genetic
engineering,
marker-assisted
selection,
eco-sustainable
approaches.
Physiologia Plantarum,
Journal Year:
2022,
Volume and Issue:
174(6)
Published: Nov. 1, 2022
Soil
salinity
has
become
one
of
the
major
factors
that
threaten
tall
fescue
growth
and
turf
quality.
Plants
recruit
diverse
microorganisms
in
rhizosphere
to
cope
with
stress.
In
this
study,
15
plant
growth-promoting
rhizobacteria
(PGPR)
were
isolated
from
salt-treated
annotated
10
genera,
including
Agrobacterium,
Fictibacillus,
Rhizobium,
Bhargavaea,
Microbacterium,
Paenarthrobacter,
Pseudarthrobacter,
Bacillus,
Halomonas,
Paracoccus.
All
strains
could
produce
indole-3-acetic
acid
(IAA).
Additionally,
eight
exhibited
ability
solubilize
phosphate
potassium.
Most
grow
on
medium
containing
600
mM
NaCl,
such
as
Bacillus
zanthoxyli
altitudinis.
Furthermore,
altitudinis
inoculated
seeds
seedlings
determine
their
effect.
The
results
showed
mixed
culture
significantly
increased
germination
rate
seeds.
can
increase
tillers
number
leaf
width
under
salt
conditions.
Through
synergistic
effect
FaSOS1,
FaHKT1,
FaHAK1
genes,
helps
expel
excess
Na+
aboveground
parts
absorb
more
K+
roots
maintain
ion
homeostasis
fescue.
Unexpectedly,
we
found
displayed
an
inapparent
Interestingly,
two
was
also
able
alleviate,
some
extent,
effects
stress
This
study
provides
a
preliminary
understanding
highlights
role
tolerance.
