New Phytologist,
Journal Year:
2024,
Volume and Issue:
242(1), P. 211 - 230
Published: Feb. 7, 2024
Summary
Microbe‐produced
secondary
metabolite
phenazine‐1‐carboxylic
acid
(PCA)
facilitates
pathogen
virulence
and
defense
mechanisms
against
competitors.
Magnaporthe
oryzae
,
a
causal
agent
of
the
devastating
rice
blast
disease,
needs
to
compete
with
other
phyllosphere
microbes
overcome
host
immunity
for
successful
colonization
infection.
However,
whether
M.
produces
PCA
or
it
has
any
functions
remains
unknown.
Here,
we
found
that
MoPHZF
gene
encodes
phenazine
biosynthesis
protein
MoPhzF,
synthesizes
in
regulates
appressorium
formation
virulence.
MoPhzF
is
likely
acquired
through
an
ancient
horizontal
transfer
event
canonical
function
synthesis.
In
addition,
role
suppressing
accumulation
host‐derived
reactive
oxygen
species
(ROS)
during
Further
examination
indicated
recruits
both
endoplasmic
reticulum
membrane
MoEmc2
regulator
G‐protein
signaling
MoRgs1
plasma
(PM)
phosphorylation,
which
critical
regulatory
mechanism
pathogenicity.
Collectively,
our
studies
unveiled
synthesis
noncanonical
promoting
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(7), P. 1821 - 1821
Published: July 16, 2023
Eighteen
pesticide-degrading
endophytic
bacteria
were
isolated
from
the
roots,
stems,
and
leaves
of
healthy
rice
plants
identified
through
16S
rRNA
gene
sequencing.
Furthermore,
biochemical
properties,
including
enzyme
production,
dye
degradation,
anti-bacterial
activities,
plant-growth-promoting
traits,
N-fixation,
P-solubilization,
auxin
ACC-deaminase
activities
these
naturally
occurring
along
with
their
four
consortia,
characterized.
Enterobacter
cloacae
HSTU-ABk39
sp.
HSTU-ABk36
displayed
inhibition
zones
41.5
±
1.5
mm,
29
09
mm
against
multidrug-resistant
human
pathogenic
Staphylococcus
aureus
epidermidis,
respectively.
FT-IR
analysis
revealed
that
all
eighteen
isolates
able
to
degrade
chlorpyrifos
pesticide.
Our
study
confirms
play
a
key
role
in
enhancing
plant
growth.
Notably,
grown
pots
containing
reduced
urea
(30%)
mixed
either
bacterial
consortium-1,
consortium-2,
consortium-3,
or
consortia-4
demonstrated
an
increase
17.3%,
38.6%,
18.2%,
39.1%
yields,
respectively,
compared
control
100%
fertilizer.
GC-MS/MS
confirmed
consortia
treatment
caused
degradation
into
different
non-toxic
metabolites,
2-Hydroxy-3,5,6
trichloropyridine,
Diethyl
methane
phosphonate,
Phorate
sulfoxide,
Carbonochloridic.
Thus,
could
be
deployed
as
bio-stimulants
improve
crop
production
by
creating
sustainable
biological
system.
New Phytologist,
Journal Year:
2024,
Volume and Issue:
242(1), P. 211 - 230
Published: Feb. 7, 2024
Summary
Microbe‐produced
secondary
metabolite
phenazine‐1‐carboxylic
acid
(PCA)
facilitates
pathogen
virulence
and
defense
mechanisms
against
competitors.
Magnaporthe
oryzae
,
a
causal
agent
of
the
devastating
rice
blast
disease,
needs
to
compete
with
other
phyllosphere
microbes
overcome
host
immunity
for
successful
colonization
infection.
However,
whether
M.
produces
PCA
or
it
has
any
functions
remains
unknown.
Here,
we
found
that
MoPHZF
gene
encodes
phenazine
biosynthesis
protein
MoPhzF,
synthesizes
in
regulates
appressorium
formation
virulence.
MoPhzF
is
likely
acquired
through
an
ancient
horizontal
transfer
event
canonical
function
synthesis.
In
addition,
role
suppressing
accumulation
host‐derived
reactive
oxygen
species
(ROS)
during
Further
examination
indicated
recruits
both
endoplasmic
reticulum
membrane
MoEmc2
regulator
G‐protein
signaling
MoRgs1
plasma
(PM)
phosphorylation,
which
critical
regulatory
mechanism
pathogenicity.
Collectively,
our
studies
unveiled
synthesis
noncanonical
promoting