Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 20, 2024
Introduction
Anthracnose
is
a
significant
fungal
disease
that
affects
tree
growth
and
development,
with
Colletotrichum
spp.
exhibiting
host
non-specificity
targeting
various
organs,
making
control
challenging.
Methods
This
study
aimed
to
identify
the
pathogenic
species
causing
anthracnose
in
Ilex
macrocarpa
Nanchong,
Sichuan
Province,
screen
effective
fungicides,
particularly
biological
ones.
The
pathogen
was
identified
as
fioriniae
through
morphological
observation,
pathogenicity
assays,
molecular
methods.
Three
five
chemical
fungicides
were
evaluated
for
their
effects
on
mycelial
spore
germination
rate
of
pathogen.
Results
results
indicated
prochloraz
most
fungicide,
while
cell-free
supernatant
(CFS)
Bacillus
velezensis
had
inhibitory
effect
among
fungicides.
Transcriptome
analysis
revealed
CFS
B.
significantly
reduced
expression
genes
associated
ribosomes,
genetic
information
processing,
membrane
lipid
metabolism,
sphingolipid
biosynthesis
C.
.
Additionally,
glutathione
pathway’s
genes,
including
key
such
GST,
GFA,
Grx,
TRR,
POD,
induced.
Furthermore,
17
MFS
transporters
9
ABC
increased.
Autophagy-related
ATGs
also
affected
by
CFS.
Discussion
These
findings
suggest
may
inhibit
interference
cell
energy
metabolism.
provide
potential
target
insights
into
antifungal
mechanism
which
inhibits
Microbiology Spectrum,
Journal Year:
2022,
Volume and Issue:
10(4)
Published: Aug. 1, 2022
The
plant
rhizosphere
acts
as
the
first
line
of
defense
against
invasion
pathogens.
perturbation
in
microbiome
is
directly
related
to
health
and
disease
development.
Microbial Ecology,
Journal Year:
2024,
Volume and Issue:
87(1)
Published: June 18, 2024
Abstract
Bacillus
species
appearas
the
most
attractive
plant
growth-promoting
rhizobacteria
(PGPR)
and
alternative
to
synthetic
chemical
pesticides.
The
present
study
examined
antagonistic
potential
of
spore
forming-
Bacilli
isolated
from
organic
farm
soil
samples
Allahabad,
India.
Eighty-seven
strains
were
characterized
based
on
their
morphological,
growth
promoting
traits
molecular
characteristics.
diversity
analysis
used
16S-rDNA,
BOX-element,
enterobacterial
repetitive
intergenic
consensus.
Two
strains,
PR30
PR32,
later
identified
as
sp.,
exhibited
potent
in
vitro
activity
against
Ralstonia
solanaceorum
.
These
isolates
produced
copious
amounts
multiple
PGP
traits,
such
indole-3-acetic
acid
(40.0
54.5
μg/mL),
phosphate
solubilization
index
(PSI)
(4.4
5.3),
ammonia,
siderophore
(3
4
cm),
1-aminocyclopropane-1-carboxylate
deaminase
(8.1and
9.2
μM/mg//h)
hydrogen
cyanide.
subjected
antibiotic
sensitivity
test.
two
higher
best
ability
selected
for
response
studies
tomatoe,
broccoli,
chickpea.
In
pot
study,
subtilis
(PR30
PR31)
showed
significant
improvement
seed
germination
(27–34%),
root
length
(20–50%),
shoot
(20–40%),
vigor
(50–75%),
carotenoid
content
(0.543–1.733),
lycopene
(2.333–2.646
mg/100
g)
tomato,
demonstrated
production
by
effective
bioinoculants
promotion
biocontrol
phytopathogens.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(5), P. 1922 - 1922
Published: Feb. 23, 2025
Endophytic
Pseudomonas
species
from
agricultural
crops
have
been
extensively
studied
for
their
plant-growth-promoting
(PGP)
potential,
but
little
is
known
about
PGP
potential
when
isolated
perennial
trees.
This
study
investigated
the
of
an
endophyte,
oryzihabitans
GDW1,
a
healthy
pine
tree
by
taking
tomato
as
host
plant.
We
employed
multiomics
approaches
(transcriptome
and
bacteriome
analyses)
to
elucidate
underlying
mechanisms
GDW1.
The
results
greenhouse
experiments
revealed
that
application
GDW1
significantly
improved
plant
growth,
increasing
shoot
length,
root
fresh
weight,
biomass
accumulation
up
44%,
38%,
54%,
59%,
respectively,
compared
with
control.
Transcriptomic
analysis
1158
differentially
expressed
genes
enriched
in
hormone
signaling
(auxin,
gibberellin,
cytokinin)
stress
response
(plant-pathogen
interaction,
MAPK
pathway-plant,
phenylpropanoid
biosynthesis)
pathways.
Protein-protein
interaction
network
nine
hub
(MAPK10,
ARF19-1,
SlCKX1,
GA2ox2,
PAL5,
SlWRKY37,
GH3.6,
XTH3,
NML1)
related
tolerance,
control,
defense.
Analysis
through
16S
rRNA
gene
amplicon
sequencing
inoculation
dramatically
altered
bacterial
community
structure,
enhancing
diversity
abundance
beneficial
taxa
(Proteobacteria
Bacteroidota).
Co-occurrence
showed
complex
treated
plants,
suggesting
increasingly
intricate
microbial
relationships
nutrient
absorption.
Additionally,
FAPROTAX
PICRUSt2
functional
prediction
analyses
suggested
role
nitrogen
cycling,
organic
matter
degradation,
growth
promotion,
resistance.
In
conclusion,
this
provides
novel
insights
into
symbiotic
relationship
between
P.
highlighting
its
biofertilizer
sustainable
agriculture
means
reducing
reliance
on
agrochemicals.
Stresses,
Journal Year:
2025,
Volume and Issue:
5(1), P. 9 - 9
Published: Jan. 27, 2025
Using
Bacillus
species
as
bioagents
for
environmentally
sustainable
and
economically
viable
plant
disease
management
is
a
strategy.
Thus,
it
important
to
promote
their
use
in
agriculture.
In
this
study,
two
were
isolated
from
the
rhizosphere
of
tomato
plants,
while
three
fungal
samples
plants
that
infected
with
damping-off
disease.
The
strains
tested
vitro
antagonistic
activity
against
using
dual
culture
technique.
greenhouse
experiment,
effectiveness
applying
bacteria
soilborne
on
induced
(cv.
Super
Strain
B)
physiological
attributes,
antioxidant
enzymes,
mineral
content,
yield
under
conditions
during
2022
2023
seasons
determined.
isolates
identified
Fusarium
oxysporum
KT224063,
Pythium
debaryanum
OP823136,
Rhizoctonia
solani
OP823124,
B.
subtilis
OP823140
amyloliquefaciens
OP823147
basis
rRNA
gene
sequences.
test
revealed
outperformed
resistance
R.
F.
oxysporum,
which
recorded
28.33
33.00
mm,
respectivley.
contrast,
caused
highest
effect
P.
fungus.
Additionally,
treated
each
these
significantly
suppressed
disease,
displayed
improved
growth
parameters,
had
an
increased
content
photosynthetic
pigments,
antioxidants
total
phenols,
macronutrient
growing
seasons.
conclusion,
effective
applications
potential
mitigate
by
debaryanum,
simultaneously
promoting
dynamics.
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e18920 - e18920
Published: Jan. 29, 2025
Biocontrol
is
a
cost-effective
and
eco-friendly
approach
to
control
plant
pathogens
using
natural
enemies.
Antagonistic
microorganisms
or
their
derivatives
specifically
target
the
while
minimizing
harm
non-target
organisms.
Bacterial
blight
brown
spot
are
major
rice
diseases
caused
by
Xanthomonas
oryzae
pv.
(
Xoo
)
Bipolaris
Bo
),
respectively.
This
study
was
conducted
assess
growth-promoting
potential
biocontrol
activity
of
root-associated
bacteria
against
pathogens,
.
A
total
98
were
isolated
from
roots
characterized
for
properties
including
phosphate
solubilization,
indole-3-acetic
acid
production,
nitrogen
fixation
biofilm
formation.
Based
on
these
properties,
36
selected
tested
via
co-culturing
antagonism
assay.
LE7
exhibited
maximum
inhibition
79%,
FR8,
PE2,
LE7,
LR22
LR28
also
significantly
reduced
growth
Likewise,
FR2,
LR22,
LR35
inhibited
,
in
which
81%.
Under
controlled-conditions,
disease
incidence
respectively,
improved
rice.
Full-length
16S
rRNA
gene
sequencing
most
bacterial
isolates,
revealed
identity
with
Bacillus
amyloliquefaciens
licheniformis
Application
spp.
as
agent
represents
enormous
farming.
The
promising
isolates
could
be
used
bioinoculants
management
production
sustainable
manner.