Soil & Environment,
Год журнала:
2023,
Номер
42(2), С. 202 - 215
Опубликована: Окт. 5, 2023
Potential
of
auxin
and
ACC-deaminase
producing
rhizobia
PGPR-strains
was
examined
to
improve
soybean
growth
individually
in
combination
with
L-tryptophan
(L-TRP)
two
different
experiments
conducted
a
chamber.
A
consortium
selected
PGPR
rhizobial
strains
prepared
by
following
the
compatibility
test.
These
bacteria
were
also
evaluated
for
improving
along
levels
L-TRP.
Bacteria
isolated
from
rhizosphere
nodules
soybean,
characterized
vitro
their
production
auxin.
We
observed
that
rhizobacteria
ranged
14
39
2
48
µg
IAA
equivalents
mL-1,
respectively.
Similarly,
potential
between
0.024
3.252
0.178
3.188
μM
α-ketobutyrate
μg-1
protein
h-1,
In
addition,
among
L-TRP
levels,
10-3
M
found
be
most
significant
level.
The
attributes
such
as
shoot
length
(46
30%),
root
(42
39%),
fresh
biomass
(33
34%)
dry
(44
27%)
increase
maximum
inoculation
‘IRS-13’
‘PS-2’
presence
compared
uninoculated
control.
context
application,
bacterial
“IRS13-PS1”
10-4
TRP
led
increment
(104%),
(74%),
weights
(179
138%),
(98
260%)
weight
well
plant
(87.5
117%)
concluded
PGPR-rhizobial
@
can
effectively
under
axenic
conditions.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Март 27, 2024
Phosphorus
(P)
is
an
important
nutrient
for
plants,
and
a
lack
of
available
P
greatly
limits
plant
growth
development.
Phosphate-solubilizing
microorganisms
(PSMs)
significantly
enhance
the
ability
plants
to
absorb
utilize
P,
which
improving
turnover
yield.
This
article
summarizes
analyzes
how
PSMs
promote
absorption
utilization
nutrients
by
from
four
perspectives:
types
functions
PSMs,
phosphate-solubilizing
mechanisms,
main
functional
genes,
impact
complex
inoculation
on
acquisition.
reviews
physiological
molecular
mechanisms
phosphorus
solubilization
promotion
with
focus
analyzing
soil
microbial
communities
its
interaction
root
exudates.
In
order
better
understand
their
role
in
transformation
provide
prospects
research
promoting
absorption.
mainly
activate
insoluble
through
secretion
organic
acids,
phosphatase
production,
mycorrhizal
symbiosis,
symbiosis
indirectly
activates
via
carbon
exchange.
can
secrete
acids
produce
phosphatase,
plays
crucial
cycling,
related
genes
are
involved
regulating
P-solubilization
ability.
uptake
great
significance
deeper
understanding
PSM-mediated
utilization,
efficiency
agriculture.
Plant Stress,
Год журнала:
2023,
Номер
11, С. 100341 - 100341
Опубликована: Дек. 28, 2023
Through
a
variety
of
mechanisms,
including
increasing
the
amount
readily
available
mineral
nutrients,
regulating
phytohormone
levels,
and
biocontrol
phytopathogens,
plant
growth-promoting
rhizobacteria
(PGPR)
associated
with
rhizosphere
either
directly
or
indirectly
stimulates
growth
development.
The
establishment,
survival,
persistence
PGPR
inoculants
are
widely
acknowledged
to
be
contingent
upon
these
two
parameters,
in
addition
intricate
network
interactions
within
rhizosphere.
In
general,
soil
is
moist
environment
significant
amounts
carbon
that
have
been
degraded
harbors
large
population
microbes.
rhizo-microbiome
crucial
agriculture
because
wide
root
exudates
cell
debris
attract
unique
distinct
patterns
microbial
colonization.
plays
role
manufacture
regulation
extracellular
molecules,
hormones,
secondary
metabolites,
antibiotics,
various
signaling
chemicals.
Additionally,
composition
influences
texture
enhancement.
Research
has
shown
can
used
treat
plants
inoculate
promote
alters
physiology
entire
plant,
which
enhances
nutrient
uptake
affects
effectiveness
activity.
specific
biochemical
processes
involved
this
phenomenon
often
not
well
understood.
Nevertheless,
new
studies
shed
light
on
mechanisms
via
by
induce
responses,
both
at
local
systemic
levels.
Insufficient
information
regarding
impact
mechanism
molecules
metabolic
pathways
characteristics.
Consequently,
review
will
concentrate
elucidating
identifying
essential
exert
influence
root-microbe
interactions.
Biotechnology Journal,
Год журнала:
2024,
Номер
19(3)
Опубликована: Март 1, 2024
Abstract
Microalgae
are
considered
to
be
a
promising
group
of
organisms
for
fuel
production,
waste
processing,
pharmaceutical
applications,
and
as
source
food
components.
Unicellular
algae
worth
being
because
their
capacity
produce
comparatively
large
amounts
lipids,
proteins,
vitamins
while
requiring
little
room
growth.
They
can
also
grow
on
fix
CO2
nitrogen
compounds.
However,
production
costs
limit
the
industrial
use
microalgae
most
profitable
applications
including
micronutrient
fish
farming.
Therefore,
novel
based
technologies
require
an
increase
efficiencies
or
values.
Here
we
review
recent
studies
focused
getting
strains
with
characteristics
cultivating
techniques
that
improve
production's
robustness
efficiency
categorize
these
findings
according
fundamental
factors
determine
Improvements
light
nutrient
delivery,
well
other
aspects
photobioreactor
design,
have
shown
highest
average
in
productivity.
Other
methods,
such
improvement
phosphorus
fixation
temperature
adaptation
been
found
less
effective.
Furthermore,
interactions
particular
bacteria
may
promote
growth
microalgae,
although
bacterial
grazer
contaminations
must
managed
avoid
culture
failure.
The
competitiveness
algal
products
will
if
discoveries
applied
settings.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(22), С. 12198 - 12198
Опубликована: Ноя. 13, 2024
This
review
explores
the
intricate
relationship
between
plants
and
bacterial
endophytes,
revealing
their
multifaceted
roles
in
promoting
plant
growth,
resilience,
defense
mechanisms.
By
selectively
shaping
microbiome,
harness
diverse
endophytic
strains
to
enhance
nutrient
absorption,
regulate
hormones,
mitigate
damage,
contribute
overall
health.
The
underscores
potential
of
endophytes
self-sustaining
agricultural
systems,
offering
solutions
reduce
reliance
on
fertilizers
pesticides.
Additionally,
highlights
importance
enhancing
tolerance
various
environmental
stresses,
such
as
drought,
salinity,
extreme
temperatures,
heavy
metal
toxicity.
emphasizes
significance
understanding
harnessing
mutualistic
for
maximizing
yields
sustainable
farming
practices.
International Journal of Microbiology,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
The
extensive
use
of
chemical
pesticides
and
fertilizers
in
conventional
agriculture
has
raised
significant
environmental
health
issues,
including
the
emergence
resistant
pests
pathogens.
Plant
growth-promoting
rhizobacteria
(PGPR)
present
a
sustainable
alternative,
offering
dual
benefits
as
biofertilizers
biocontrol
agents.
This
review
delves
into
mechanisms
by
which
PGPR
enhance
plant
growth,
nutrient
solubilization,
phytohormone
production,
pathogen
suppression.
PGPR's
commercial
viability
application,
particularly
under
abiotic
stress
conditions,
are
also
examined.
improves
growth
directly
enhancing
uptake
producing
substances
indirectly
inhibiting
phytopathogens
through
such
siderophore
production
secretion
lytic
enzymes.
Despite
their
potential,
commercialization
faces
challenges,
strain
specificity,
formulation
stability,
regulatory
barriers.
highlights
need
for
ongoing
research
to
deepen
our
understanding
plant-microbe
interactions
develop
more
robust
formulations.
Addressing
these
challenges
will
be
crucial
integrating
mainstream
agricultural
practices
reducing
reliance
on
synthetic
agrochemicals.
successful
adoption
could
lead
practices,
promoting
healthier
crops
ecosystems.
