Frontiers in Bioengineering and Biotechnology,
Год журнала:
2021,
Номер
8
Опубликована: Янв. 18, 2021
Plant
growth-promoting
rhizobacteria
(PGPR)
are
root
endophytic
bacteria
used
for
growth
promotion,
and
they
have
broader
applications
in
enhancing
specific
crop
yield
as
a
whole.
In
the
present
study,
we
explored
potential
of
Rhizobium
pusense
MB-17a
an
bacterium
isolated
from
roots
mung
bean
(
Vigna
radiata
)
plant.
Furthermore,
this
was
sequenced
assembled
to
reveal
its
genomic
associated
with
plant
traits.
Interestingly,
endophyte
R.
showed
all
essential
PGPR
traits
which
were
determined
by
biochemical
tests.
It
noted
that
significantly
produced
siderophores,
indole
acetic
acid
(IAA),
ammonia,
ACC
deaminase
efficiently
solubilized
phosphate.
The
maximum
IAA
ammonia
observed
be
110.5
81
μg/ml,
respectively.
Moreover,
also
confirmed
pot
experiment
V.
),
whose
results
show
substantial
increase
plant's
fresh
weight
76.1%
dry
76.5%
on
60th
day
after
inoculation
MB-17a.
Also,
there
is
significant
enhancement
nodule
number
66.1%
162%
at
45th
100%
field
capacity
Besides
this,
functional
annotation
presence
different
proteins
transporters
responsible
stress
tolerance
properties.
concluded
unique
genes
like
rpoH,
otsAB
,
clpB
enhances
symbiosis
process
during
adverse
conditions
endophyte.
Through
Rapid
Annotation
using
Subsystem
Technology
(RAST)
analysis,
key
involved
production
volatile
compounds,
indoles,
nitrogenases,
amino
acids
predicted.
conclusion,
strain
described
study
gives
novel
idea
such
type
endophytes
improving
under
sustainable
agriculture.
Biology,
Год журнала:
2021,
Номер
10(6), С. 520 - 520
Опубликована: Июнь 11, 2021
Plant
growth-promoting
bacteria
play
an
essential
role
in
enhancing
the
physical,
chemical
and
biological
characters
of
soils
by
facilitating
nutrient
uptake
water
flow,
especially
under
abiotic
stress
conditions,
which
are
major
constrains
to
agricultural
development
production.
Drought
is
one
most
harmful
perhaps
severe
problem
facing
sustainability,
leading
a
shortage
crop
productivity.
affects
plant
growth
causing
hormonal
membrane
stability
perturbations,
imbalance
physiological
disorders.
Furthermore,
drought
causes
remarkable
decrease
leaf
numbers,
relative
content,
sugar
yield,
root
chlorophyll
b
ascorbic
acid
concentrations.
However,
concentrations
total
phenolic
compounds,
electrolyte
leakage,
lipid
peroxidation,
amounts
proline,
reactive
oxygen
species
considerably
increased
because
stress.
This
negative
impact
can
be
eliminated
using
(PGPB).
Under
application
PGPB
improve
adjusting
balance,
maintaining
status
producing
regulators.
positively
biochemical
characteristics,
resulting
photosynthetic
pigments
acid.
Conversely,
leakage
compounds
decreased
presence
PGPB.
The
current
review
gives
overview
on
plants
pivotal
mitigating
effects
antioxidant
defense
systems
increasing
yield
sustainable
agriculture.
Frontiers in Microbiology,
Год журнала:
2022,
Номер
12
Опубликована: Янв. 14, 2022
Crop
plants
are
more
often
exposed
to
abiotic
stresses
in
the
current
age
of
fast-evolving
climate
change.
This
includes
exposure
extreme
and
unpredictable
changes
climatic
conditions,
phytosanitary
hazards,
cultivation
which
results
drastic
losses
worldwide
agricultural
productions.
Plants
coexist
with
microbial
symbionts,
some
play
key
roles
ecosystem
plant
processes.
The
application
biostimulants,
take
advantage
symbiotic
relationships,
is
a
long-term
strategy
for
improving
productivity
performance,
even
face
change-associated
stresses.
Beneficial
filamentous
fungi,
yeasts,
bacteria
examples
can
boost
growth,
yield,
nutrition
stress
tolerance
plants.
paper
highlights
recent
information
about
role
biostimulants
their
potential
mitigating
occurring
on
crop
due
A
critical
evaluation
efficient
use
under
diverse
conditions
also
made.
Currently,
accessible
products
generally
improve
cultural
but
action
mechanisms
mostly
unknown,
benefits
frequently
inconsistent.
Thus,
further
studies
that
could
lead
precisely
targeted
discussed.
Plants,
Год журнала:
2023,
Номер
12(24), С. 4074 - 4074
Опубликована: Дек. 5, 2023
This
review
covers
the
literature
data
on
plant
growth-promoting
bacteria
in
soil,
which
can
fix
atmospheric
nitrogen,
solubilize
phosphates,
produce
and
secrete
siderophores,
may
exhibit
several
different
behaviors
simultaneously.
We
discuss
perspectives
for
creating
bacterial
consortia
introducing
them
into
soil
to
increase
crop
productivity
agrosystems.
The
application
of
rhizosphere
bacteria-which
are
capable
fixing
solubilizing
organic
inorganic
secreting
as
well
their
consortia-has
been
demonstrated
meet
objectives
sustainable
agriculture,
such
increasing
fertility
yields.
combining
with
mineral
fertilizers
is
a
crucial
trend
that
allows
reduction
fertilizer
use
beneficial
production.
Microbial Biosystems,
Год журнала:
2020,
Номер
5(1), С. 21 - 47
Опубликована: Июнь 30, 2020
Microbes
are
ubiquitous
in
nature,
and
plant-microbe
interactions
a
key
strategy
for
colonizing
diverse
habitats.
Fungi
producing
wide
range
of
secondary
metabolites
bioactive
compounds,
which
probable
alternative
sources
drugs
and/or
antibiotics.
associated
with
the
crops
plays
an
important
role
plant
growth
promotion
enhanced
soil
fertility
using
different
PGP
mechanism
such
as
solubilization
phosphorus,
zinc,
potassium;
production
regulator
(auxins,
cytokinin,
gibberellins,
ethylene
abscisic
acid);
hydrolytic
enzymes
(xylanases,
laccase,
pectinases,
cellulases);
siderophores.
Besides
eliciting
defence
reaction
against
pathogens;
fungi
also
help
alleviation
abiotic
stresses
under
harsh
environments.
The
have
reported
from
genera
phyla
Chytridiomycota,
Zygomycota,
Glomeromycota,
Ascomycota,
Basidiomycota.
significant
potential
applications
various
industries
like
medical,
food.
In
medical
applications,
fungal
products
used
to
control
disease
human
animals.
fermentation
make
alcoholic
beverages,
cheeses,
bread,
kefir,
yogurt
other
food
preparations
agricultural
sectors
healthy
protects
pathogens.
present
review,
deals
biodiversity
beneficial
habitats
their
biotechnological
health.
Physiologia Plantarum,
Год журнала:
2021,
Номер
172(2), С. 1016 - 1029
Опубликована: Янв. 25, 2021
Abstract
Global
increase
in
water
scarcity
is
a
serious
problem
for
sustaining
crop
productivity.
The
lack
of
causes
the
degeneration
photosynthetic
apparatus,
an
imbalance
key
metabolic
pathways,
free
radical
generation
as
well
weakens
root
architecture
plants.
Drought
one
major
stresses
that
directly
interferes
with
osmotic
status
plant
cells.
Abscisic
acid
(ABA)
known
to
be
player
modulation
drought
responses
plants
and
involvement
both
ABA‐dependent
ABA‐independent
pathways
have
been
observed
during
drought.
Concomitantly,
other
phytohormones
such
auxins,
ethylene,
gibberellins,
cytokinins,
jasmonic
also
confer
tolerance
crosstalk
between
different
transcription
factors
at
molecular
level
exists.
A
number
drought‐responsive
genes
utilized
producing
transgenic
improved
tolerance.
Despite
relentless
efforts,
biotechnological
advances
failed
design
completely
stress
tolerant
until
now.
microbiome
hidden
treasure
possesses
immense
potential
revolutionize
strategies
inducing
resistance
Root
microbiota
consist
growth‐promoting
rhizobacteria,
endophytes
mycorrhizas
form
consortium
roots.
Rhizospheric
microbes
are
proliferous
producers
phytohormones,
mainly
cytokinin,
ethylene
enzymes
like
1‐aminocyclopropane‐1‐carboxylate
deaminase
(ACC
deaminase)
metabolites
exopolysaccharides
help
induce
systemic
against
This
review,
therefore
focuses
on
mechanisms
plant‐microbe
interactions
under
drought‐stressed
conditions
emphasizes
importance
drought‐tolerant
improving
productivity
stress.
