Microbiological Research,
Год журнала:
2024,
Номер
287, С. 127836 - 127836
Опубликована: Июль 15, 2024
Verticillium
dahliae
is
a
destructive,
soil-borne
pathogen
that
causes
significant
losses
on
numerous
important
dicots.
Recently,
beneficial
microbes
inhabiting
the
rhizosphere
have
been
exploited
and
used
to
control
plant
diseases.
In
present
study,
Burkholderia
gladioli
KRS027
demonstrated
excellent
inhibitory
effects
against
wilt
in
cotton
seedlings.
Plant
growth
development
was
promoted
by
affecting
biosynthesis
signaling
pathways
of
brassinosteroids
(BRs),
gibberellins
(GAs),
auxins,
consequently
promoting
stem
elongation,
shoot
apical
meristem,
root
tissue
division
cotton.
Furthermore,
based
host
transcriptional
response
V.
infection,
it
found
modulates
plants
maintain
cell
homeostasis
respond
other
stress.
Moreover,
induced
disruption
cellular
structures,
as
evidenced
scanning
electron
microscopy
(SEM)
transmission
(TEM)
analyses.
Based
comparative
transcriptomic
analysis
between
treated
group
dahliae,
substantial
alterations
transcriptome,
particularly
genes
encoding
secreted
proteins,
small
cysteine-rich
proteins
(SCRPs),
protein
kinases.
addition,
suppressed
different
clonal
lineages
strains
through
metabolites,
volatile
organic
compounds
(VOCs)
released
inhibited
melanin
microsclerotia
development.
These
findings
provide
valuable
insights
into
an
alternative
biocontrol
strategy
for
wilt,
demonstrating
antagonistic
bacterium
holds
promise
agent
managing
disease
occurrence.
Journal of Plant Growth Regulation,
Год журнала:
2024,
Номер
43(8), С. 2536 - 2554
Опубликована: Апрель 4, 2024
Abstract
Plant
Growth
Promoting
Bacteria
have
proven
themselves
in
agricultural
applications
not
only
as
biofertilizers
but
also
biocontrol
agents
against
different
phytopathogens.
In
this
study,
we
focused
on
investigating
the
ability
of
Enterobacter
cloacae
to
induce
immune
response
Zea
mays
Fusarium
oxysporum
infection.
The
bacterium
was
transformed
with
a
plasmid
express
Green
Fluorescence
Protein
and
used
greenhouse
experiment
combination
infection
treatments.
E.
successfully
colonized
root,
resulting
enhanced
physical
growth
great
investment
leaf
area,
photosynthetic
pigment
production,
reduced
anthocyanin
content.
left
considerable
resistance
root
rot
caused
by
Fusarium,
disease
severity
from
74.2%
(in
case
alone)
about
35.8%
addition
14
days
before
fungal
infection).
amount
salicylic
acid
(SA)
markedly
elevated,
Pathogen-Related
showed
up
an
eightfold
increase
expression
level.
From
these
results,
suppose
that
induces
SA-dependent
systemic
acquired
resistance,
which
allows
pre-colonized
plants
resist
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Фев. 9, 2024
Rhizobacteria
are
capable
of
inducing
defense
responses
via
the
expression
pathogenesis-related
proteins
(PR-proteins)
such
as
chitinases,
and
many
studies
have
validated
functions
plant
chitinases
in
responses.
Soybean
(
Glycine
max
)
is
an
economically
important
crop
worldwide,
but
functional
validation
soybean
chitinase
remains
limited.
In
this
study,
genome-wide
characterization
was
conducted,
contribution
three
(GmChi01,
GmChi02,
or
GmChi16)
Arabidopsis
transgenic
lines
against
soil-borne
pathogen
Fusarium
oxysporum
.
Compared
to
Col-0
empty
vector
controls,
with
GmChi02
GmChi16
exhibited
fewer
chlorosis
symptoms
wilting.
While
enhanced
F.
,
only
one
significantly
induced
by
Burkholderia
ambifaria
The
observation
indicated
that
may
be
different
rhizobacteria
for
survey
37
gene
expressions
response
six
observed
diverse
inducibility,
where
10
genes
were
upregulated
at
least
rhizobacterium
9
did
not
respond
any
rhizobacteria.
Motif
analysis
on
promoters
further
identified
consensus
also
rhizobacterium-specific
transcription
factor-binding
sites
inducible
genes.
Collectively,
these
results
confirmed
involvement
enhancement
highlighted
inducibility
encountering
Microbiological Research,
Год журнала:
2024,
Номер
287, С. 127836 - 127836
Опубликована: Июль 15, 2024
Verticillium
dahliae
is
a
destructive,
soil-borne
pathogen
that
causes
significant
losses
on
numerous
important
dicots.
Recently,
beneficial
microbes
inhabiting
the
rhizosphere
have
been
exploited
and
used
to
control
plant
diseases.
In
present
study,
Burkholderia
gladioli
KRS027
demonstrated
excellent
inhibitory
effects
against
wilt
in
cotton
seedlings.
Plant
growth
development
was
promoted
by
affecting
biosynthesis
signaling
pathways
of
brassinosteroids
(BRs),
gibberellins
(GAs),
auxins,
consequently
promoting
stem
elongation,
shoot
apical
meristem,
root
tissue
division
cotton.
Furthermore,
based
host
transcriptional
response
V.
infection,
it
found
modulates
plants
maintain
cell
homeostasis
respond
other
stress.
Moreover,
induced
disruption
cellular
structures,
as
evidenced
scanning
electron
microscopy
(SEM)
transmission
(TEM)
analyses.
Based
comparative
transcriptomic
analysis
between
treated
group
dahliae,
substantial
alterations
transcriptome,
particularly
genes
encoding
secreted
proteins,
small
cysteine-rich
proteins
(SCRPs),
protein
kinases.
addition,
suppressed
different
clonal
lineages
strains
through
metabolites,
volatile
organic
compounds
(VOCs)
released
inhibited
melanin
microsclerotia
development.
These
findings
provide
valuable
insights
into
an
alternative
biocontrol
strategy
for
wilt,
demonstrating
antagonistic
bacterium
holds
promise
agent
managing
disease
occurrence.
