A Study of the Different Strains of the Genus Azospirillum spp. on Increasing Productivity and Stress Resilience in Plants
Plants,
Год журнала:
2025,
Номер
14(2), С. 267 - 267
Опубликована: Янв. 18, 2025
One
of
the
most
important
and
essential
components
sustainable
agricultural
production
is
biostimulants,
which
are
emerging
as
a
notable
alternative
chemical-based
products
to
mitigate
soil
contamination
environmental
hazards.
The
modes
action
bacterial
plant
biostimulants
on
different
plants
increasing
disease
resistance;
activation
genes;
chelating
agents
organic
acids;
boosting
quality
through
metabolome
modulation;
affecting
biosynthesis
phytochemicals;
coordinating
activity
antioxidants
antioxidant
enzymes;
synthesis
accumulation
anthocyanins,
vitamin
C,
polyphenols;
enhancing
abiotic
stress
cytokinin
abscisic
acid
(ABA)
production;
upregulation
stress-related
exopolysaccharides,
secondary
metabolites,
ACC
deaminase.
Azospirillum
free-living
genus
can
promote
yield
growth
many
species,
with
multiple
vary
basis
climate
conditions.
Different
species
Bacillus
spp.
increase
growth,
yield,
biomass
by
availability
nutrients;
solubilization
subsequent
uptake
synthesizing
indole-3-acetic
acid;
fixing
nitrogen;
solubilizing
phosphorus;
promoting
phytohormones;
production,
fruits
crops
via
carotenoids,
flavonoids,
phenols,
antioxidants;
indoleacetic
(IAA),
gibberellins,
siderophores,
nitric
oxide,
cell
surface
components.
aim
this
manuscript
survey
effects
presenting
case
studies
successful
paradigms
in
several
horticultural
plants.
Язык: Английский
Halophilic Bacillus improve barley growth on calcareous soil via enhanced photosynthetic performance and metabolomic re-programing
Journal of Plant Physiology,
Год журнала:
2025,
Номер
unknown, С. 154495 - 154495
Опубликована: Апрель 1, 2025
Язык: Английский
Molecular Identification of Plant Growth-Promoting Rhizobacteria and Their Antiphytopathogenic Compounds by LC MS TOF Analysis
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Abstract
Plant
Growth-Promoting
Rhizobacteria
(PGPR)
are
beneficial
bacteria
that
colonize
plant
roots
and
enhance
growth
through
various
mechanisms.
This
study
assessed
the
role
of
PGPR
in
sustainable
agriculture.
Bacterial
isolates
were
collected
from
districts
Kerala,
followed
by
isolation
screening.
Out
90
strains,
ten
selected
for
comprehensive
in
vitro
characterization,
including
morphological,
biochemical
molecular
identification.
LC-MS-TOF
analysis
identified
37
anti-phytopathogenic
compounds
positive
mode
11
negative
mode,
confirming
their
strong
biocontrol
potential.These
findings
highlight
potential
to
disease
resistance,
supporting
eco-friendly
agricultural
practices.
Язык: Английский
Bacterial endophytes and their secondary metabolites: mechanisms of biosynthesis and applications in sustainable agriculture
Journal of Umm Al-Qura University for Applied Sciences,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Abstract
Endophytic
bacterial
species
are
harmless
bacteria
that
live
in
the
tissue
of
plants
and
have
emerged
as
valuable
sources
bioactive
secondary
metabolites
with
applications
sustainable
agriculture.
Despite
their
recognized
roles
enhancing
plant
resilience
serving
natural
biocontrol
agents,
biosynthesis
regulatory
mechanisms
remain
incompletely
understood.
This
review
addresses
critical
knowledge
gaps
by
exploring
diverse
antimicrobial,
antifungal,
anti-algal
properties
endophytic
potential
to
reduce
dependence
on
agricultural
chemicals.
Key
pathways
involve
quorum-quenching
disrupt
communication,
lytic
enzyme
production
degrades
pathogen
cell
walls,
induced
systemic
resistance
(ISR)
prime
defense
responses
against
environmental
stressors.
Recent
advancements
omics-based
approaches,
including
genomics
metabolomics,
offer
promising
avenues
for
novel
metabolite
discovery
large-scale
application.
To
clarify
molecular
regulation
these
pathways,
additional
analysis
is
required
optimize
transform
laboratory
findings
into
field
applications.
Advancing
our
understanding
will
facilitate
development
eco-friendly
solutions,
ensuring
long-term
sustainability
ecosystems,
increased
crop
output,
agriculture
approaches.
Язык: Английский
Effect of PGPR on growth and nutrient utilization of Elymus nutans Griseb at different temperatures
Linling Ran,
Haoyang Wu,
Fei Xia
и другие.
PLoS ONE,
Год журнала:
2025,
Номер
20(5), С. e0323613 - e0323613
Опубликована: Май 12, 2025
Plant
growth-promoting
rhizobacteria
(PGPR)
are
beneficial
bacteria
that
facilitate
plant
growth
and
can
be
used
in
the
restoration
of
ecosystems.
However,
PGPR
vary
their
temperature
tolerance,
few
studies
have
investigated
effect
on
PGPR-mediated
promotion
or
inoculum
colonization.
Therefore,
we
isolated
purified
rhizosphere
from
soil
Elymus
nutans
Griseb
(
En
G),
collected
Qinghai-Tibet
Plateau.
Selective
culture
media
were
to
assess
whether
these
strains
possess
abilities
measure
magnitude
ability.
Then
screen
out
(S1,
S2,
S3,
S4,
S5)
with
strong
ability
for
identification.
To
demonstrate
effects
selected
PGPR,
conducted
a
study.
In
this
study,
simulated
three
gradients
(10°C,
15°C,
20°C)
during
growing
season
G
Tibetan
Furthermore,
established
four
incubation
substrate
treatments:
T1(addition
but
no
addition
NPK
fertilizers),
T2
(neither
nor
fertilizers
addition),
T3
(addition
both
T4
not
PGPR),
explore
nutrient
(NPK)
utilization
efficiency
at
different
temperatures.
The
results
revealed
compared
those
under
T2,
height
(PT)
dry
weight
under,
T1
increased
by
51.72%
–
70.67%
24.99–51.25%,
respectively.
soluble
sugar
(SS)
protein
(SP)
content
significantly
59.37%
369.66%,
respctively,
10
°C
p
<
0.05)
100.17%
94.5%,
respectively,
15
0.05).
Compared
T4,
physiological
efficiencies
N
(NPE)
20
decreased
40.43%
72.11%,
T3.
summary,
showed
promoted
plateau
improved
its
efficiency.
Язык: Английский