Physiologia Plantarum,
Год журнала:
2024,
Номер
176(1)
Опубликована: Янв. 1, 2024
Abstract
Drought,
a
widespread
abiotic
stressor,
exerts
profound
impact
on
agriculture,
impeding
germination
and
plant
growth,
reducing
crop
yields.
In
the
present
investigation,
osmotolerant
rhizobacteria
Bacillus
casamancensis
strain
MKS‐6
sp.
MRD‐17
were
assessed
for
their
effects
molecular
processes
involved
in
mustard
under
osmotic
stress
conditions.
Enhancement
was
evidenced
by
improved
percentages,
plumule
radicle
lengths,
seedling
vigor
upon
rhizobacterial
inoculation
no
Under
stress,
stimulated
production
of
gibberellins
reserve
hydrolytic
enzymes
(lipases,
isocitrate
lyase,
malate
synthase),
bolstering
germination.
Furthermore,
these
influenced
hormones
such
as
abscisic
acid
(ABA),
well
signalling
pathways,
thereby
promoting
stress.
Reduced
proline
glycine
betaine
accumulation,
down‐regulation
transcription
factors
BjDREB1_2
BjDREB2
(linked
to
ABA‐independent
signalling)
rhizobacteria‐inoculated
seedlings
indicated
that
bacterial
treatment
mitigated
water
deficit
during
germination,
independently
pathways.
Hence,
advantageous
attributes
exhibited
strains
can
be
effectively
harnessed
alleviate
drought‐induced
crops,
potentially
through
development
targeted
bio‐formulations.
Current Biology,
Год журнала:
2023,
Номер
33(23), С. R1246 - R1261
Опубликована: Дек. 1, 2023
Climate
change
threatens
global
food
and
nutritional
security
through
negative
effects
on
crop
growth
agricultural
productivity.
Many
countries
have
adopted
ambitious
climate
mitigation
adaptation
targets
that
will
exacerbate
the
problem,
as
they
require
significant
changes
in
current
agri-food
systems.
In
this
review,
we
provide
a
roadmap
for
improved
production
encompasses
effective
transfer
of
knowledge
into
plant
breeding
management
strategies
underpin
sustainable
agriculture
intensification
resilience.
We
identify
main
problem
areas
highlight
outstanding
questions
potential
solutions
can
be
applied
to
mitigate
impacts
Although
translation
scientific
advances
lags
far
behind
technology,
consider
holistic
approach,
combining
disciplines
collaborative
efforts,
drive
better
connections
between
research,
policy,
needs
society.
Journal of Sustainable Agriculture and Environment,
Год журнала:
2023,
Номер
2(3), С. 189 - 214
Опубликована: Июль 18, 2023
Abstract
Salinity
and
drought
stress
substantially
decrease
crop
yield
superiority,
directly
threatening
the
food
supply
needed
to
meet
rising
needs
of
growing
total
population.
Nanotechnology
is
a
step
towards
improving
agricultural
output
tolerance
by
efficacy
inputs
in
agriculture
via
targeted
delivery,
controlled
release,
enhanced
solubility
adhesion
while
also
reducing
significant
damage.
The
direct
application
nanoparticles
(NPs)/nanomaterials
can
boost
performance
effectiveness
physio‐biochemical
molecular
mechanisms
plants
under
conditions,
leading
advanced
tolerance.
Therefore,
we
presented
effects
plant
responses
explored
potential
nanomaterials
for
systems,
discussed
advantages
applying
NPs
at
various
developmental
stages
alleviate
negative
salinity
stress.
Moreover,
feature
recent
innovations
state‐of‐the‐art
nanobiotechnology,
specifically
NP‐mediated
genome
editing
CRISPR/Cas
system,
develop
stress‐smart
crops.
However,
further
investigations
are
unravel
role
nanobiotechnology
addressing
climate
change
challenges
modern
systems.
We
propose
that
combining
speed
breeding
techniques
could
enable
designing
climate‐smart
cultivars
(particularly
bred
or
genetically
modified
varieties)
security
world
Microorganisms,
Год журнала:
2023,
Номер
11(2), С. 502 - 502
Опубликована: Фев. 17, 2023
Agricultural
systems
are
highly
affected
by
climatic
factors
such
as
temperature,
rain,
humidity,
wind,
and
solar
radiation,
so
the
climate
its
changes
major
risk
for
agricultural
activities.
A
small
portion
of
areas
Brazil
is
irrigated,
while
vast
majority
directly
depends
on
natural
variations
rains.
The
increase
in
temperatures
due
to
change
will
lead
increased
water
consumption
farmers
a
reduction
availability,
putting
production
capacity
at
risk.
Drought
limiting
environmental
factor
plant
growth
one
phenomena
that
most
affects
productivity.
response
plants
stress
complex
involves
coordination
between
gene
expression
integration
with
hormones.
Studies
suggest
bacteria
have
mechanisms
mitigate
effects
promote
more
significant
these
species.
underlined
mechanism
root-to-shoot
phenotypic
rate,
architecture,
hydraulic
conductivity,
conservation,
cell
protection,
damage
restoration
through
integrating
phytohormones
modulation,
stress-induced
enzymatic
apparatus,
metabolites.
Thus,
this
review
aims
demonstrate
how
growth-promoting
could
negative
responses
exposed
provide
examples
technological
conversion
applied
agroecosystems.
Plants,
Год журнала:
2024,
Номер
13(5), С. 717 - 717
Опубликована: Март 4, 2024
This
comprehensive
article
critically
analyzes
the
advanced
biotechnological
strategies
to
mitigate
plant
drought
stress.
It
encompasses
an
in-depth
exploration
of
latest
developments
in
genomics,
proteomics,
and
metabolomics,
shedding
light
on
complex
molecular
mechanisms
that
plants
employ
combat
The
study
also
emphasizes
significant
advancements
genetic
engineering
techniques,
particularly
CRISPR-Cas9
genome
editing,
which
have
revolutionized
creation
drought-resistant
crop
varieties.
Furthermore,
explores
microbial
biotechnology's
pivotal
role,
such
as
growth-promoting
rhizobacteria
(PGPR)
mycorrhizae,
enhancing
resilience
against
conditions.
integration
these
cutting-edge
interventions
with
traditional
breeding
methods
is
presented
a
holistic
approach
for
fortifying
crops
addresses
immediate
agricultural
needs
contributes
significantly
sustainable
agriculture,
ensuring
food
security
face
escalating
climate
change
challenges.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Март 15, 2024
Pinus
taeda
is
an
important
forest
tree
species
for
plantations
because
of
its
rapid
growth
and
high
yield
oleoresins.
Although
P.
distribute
in
warm
wet
southern
China,
drought,
sometime
serious
long
time,
often
occurs
the
region.
To
explore
drought
tolerance
usage
beneficial
microorganisms,
seedlings
were
planted
pots
inoculated
with
root
endophytic
fungus
Serendipita
indica
finally
treated
stress
53
d.
Metabolome
proteome
their
needles
analyzed.
The
results
showed
that
S.
inoculation
under
caused
great
changes
levels
some
metabolites
needles,
especially
flavonoids
organic
acids.
Among
them,
eriocitrin,
trans
-aconitic
acid,
vitamin
C,
uric
alpha-ketoglutaric
A,
stachydrine,
coumalic
itaconic
calceolarioside
B,
2-oxoglutaric
citric
acid
upregulated
more
than
three
times
stress,
compared
to
those
non-inoculated
stress.
KEGG
analysis
pathways
enriched
such
as
flavonoid
biosynthesis,
ascorbate
aldarate
metabolism,
C5-branched
dibasic
metabolism.
Proteome
revealed
specific
differential
proteins.
Two
proteins,
namely,
H9X056
H9VDW5,
only
appeared
protein
H9VNE7
was
11.0
In
addition,
increased
enrichment
water
deficient-inducible
proteins
(such
LP3-1,
LP3-2,
LP3-3,
dehydrins)
involved
ribosomal
structures
A0A385JF23).
Meanwhile,
biosynthesis
metabolism
pathways,
mainly
including
phenylpropanoid
cutin,
suberine
wax
2-oxocarboxylic
there
positive
relationships
between
accumulation
Altogether,
our
metabolome
provided
a
guideline
further
study
functions
related
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(3), С. 1465 - 1465
Опубликована: Янв. 25, 2024
Plant-growth-promoting
rhizobacteria
(PGPR)
could
potentially
enhance
photosynthesis
and
benefit
plant
growth
by
improving
soil
nutrient
uptake
affecting
hormone
balance.
Several
recent
studies
have
unveiled
a
correlation
between
alterations
in
host
resistance
levels.
Photosynthesis
provides
materials
energy
for
immune
defense
affects
defense-related
signaling
pathways.
Photosynthetic
organelles,
which
be
strengthened
PGPR
inoculation,
are
key
centers
signal
biosynthesis
transmission.
Although
endophytic
PGPRs
metabolize
photosynthates,
they
can
increase
soluble
sugar
levels
alternate
type
distribution.
Soluble
sugars
clearly
support
act
as
secondary
messengers
under
stressed
conditions.
Overall,
carbohydrate
metabolism
modifications
induced
may
also
play
role
resistance.
We
provide
concise
overview
of
current
knowledge
regarding
PGPR-induced
modulation
both
pathogen-infected
pathogen-free
highlight
application
cost-saving
strategy
amidst
unpredictable
pathogen
pressures.
Agronomy,
Год журнала:
2024,
Номер
14(4), С. 692 - 692
Опубликована: Март 27, 2024
Drought
stress
is
the
primary
abiotic
factor
affecting
wheat
growth,
development,
and
yield
formation.
The
application
of
plant
growth-promoting
rhizobacteria
(PGPR)
represents
an
environmentally
sustainable
approach
to
mitigate
impacts
drought
on
wheat.
This
study
conducted
field
experiments
using
two
winter
varieties,
drought-sensitive
variety
Jimai
22
drought-resistant
Chang
6878,
aiming
investigate
effects
Streptomyces
pactum
Act12
inoculation
photosynthetic
characteristics,
physiological
parameters,
traits
during
jointing,
heading,
middle-filling
stages
under
stress.
results
revealed
that
stresses
significantly
reduced
chlorophyll
content,
leaf
area,
biomass,
in
wheat,
while
increased
efficiency,
antioxidant
enzyme
activity
such
as
superoxide
dismutase
(SOD)
peroxidase
(POD),
osmolyte
content
(proline
soluble
proteins),
decreased
malondialdehyde
(MDA)
content.
These
combined
alleviated
stress,
resulting
biomass
Under
increase
proline
13.53%
53.23%
(Jimai
22)
17.17%
43.08%
(Chang
6878)
was
observed
upon
inoculation.
Moreover,
a
decrease
MDA
recorded
15.86%
53.61%
13.47%
26.21%
6878).
Notably,
there
corresponding
11.78%
13.55%
In
addition,
grain
quality
analysis
significant
improvement
hardness
with
Therefore,
demonstrates
potential
for
enhancing
development
production
arid
semi-arid
regions.
