Microbial degradation of plant toxins
Environmental Microbiology,
Год журнала:
2023,
Номер
25(12), С. 2988 - 3010
Опубликована: Сен. 17, 2023
Abstract
Plants
produce
a
variety
of
secondary
metabolites
in
response
to
biotic
and
abiotic
stresses.
Although
they
have
many
functions,
subclass
toxic
mainly
serve
plants
as
deterring
agents
against
herbivores,
insects,
or
pathogens.
Microorganisms
present
divergent
ecological
niches,
such
soil,
water,
insect
rumen
gut
systems
been
found
capable
detoxifying
these
metabolites.
As
result
detoxification,
microbes
gain
growth
nutrients
benefit
their
herbivory
host
via
symbiosis.
Here,
we
review
current
knowledge
on
microbial
degradation
alkaloids,
glucosinolates,
terpenes,
polyphenols
with
an
emphasis
the
genes
enzymes
involved
breakdown
pathways.
We
highlight
that
insect‐associated
might
find
application
biotechnology
become
targets
for
alternative
pest
control
strategy.
Язык: Английский
Pre‐infection efficacy of resistance inducers against grapevine powdery mildew
Plant Pathology,
Год журнала:
2024,
Номер
73(5), С. 1238 - 1246
Опубликована: Фев. 28, 2024
Abstract
Plant
resistance
inducers
(PRIs)
are
of
increasing
interest
for
disease
control
in
sustainable
viticulture,
but
their
efficacy
vineyards
is
still
under
investigation.
We
studied
the
effects
four
commercial
PRIs,
natural
and
microbial
origin,
on
development
powdery
mildew
(PM)
grapevine
leaves
over
a
3‐year
period.
Disease
sporulation
severity
were
evaluated
following
artificial
inoculation
PRI‐treated
with
Erysiphe
necator
conidia
at
1,
3,
7
12
days
after
treatment
(DAT).
Laminarin
(LAM)
cos‐oga
(COS)
most
effective
reducing
both
(57.1%
49.5%,
respectively)
(85.3%
90.2%,
severity;
reduction
PM
provided
by
cerevisane
(CER)
was
lower
(27%),
that
Pythium
oligandrum
(PYT)
intermediate
(44.9%).
LAM
from
1
DAT,
while
COS
PYT
more
when
E
.
inoculated
to
DAT.
These
results
open
new
perspectives
how
PRIs
used
as
single,
preventative
interventions
performed
3
before
infection,
depending
product
used.
The
effect
colonies
also
suggests
broader
longer
epidemics.
Язык: Английский
Semi-Targeted Profiling of the Lipidome Changes Induced by Erysiphe Necator in Disease-Resistant and Vitis vinifera L. Varieties
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(4), С. 4072 - 4072
Опубликована: Фев. 17, 2023
The
ascomycete
Erysiphe
necator
is
a
serious
pathogen
in
viticulture.
Despite
the
fact
that
some
grapevine
genotypes
exhibit
mono-locus
or
pyramided
resistance
to
this
fungus,
lipidomics
basis
of
these
genotypes'
defense
mechanisms
remains
unknown.
Lipid
molecules
have
critical
functions
plant
defenses,
acting
as
structural
barriers
cell
wall
limit
access
signaling
after
stress
responses
may
regulate
innate
immunity.
To
unravel
and
better
understand
their
involvement
defense,
we
used
novel
approach
ultra-high
performance
liquid
chromatography
(UHPLC)-MS/MS
study
how
E.
infection
changes
lipid
profile
with
different
sources
resistance,
including
BC4
(Run1),
"Kishmish
vatkhana"
(Ren1),
F26P92
(Ren3;
Ren9),
"Teroldego"
(a
susceptible
genotype),
at
0,
24,
48
hpi.
lipidome
alterations
were
most
visible
24
hpi
for
F26P92,
vatkhana".
Among
abundant
lipids
leaves
extra-plastidial
lipids:
glycerophosphocholine
(PCs),
glycerophosphoethanolamine
(PEs)
glycerophosphates
(Pas)
glycerophosphoinositols
(PIs),
followed
by
plastid
glycerophosphoglycerols
(PGs),
monogalactosyldiacylglycerols
(MGDGs),
digalactosyldiacylglycerols
(DGDGs)
and,
lower
amounts
lyso-glycerophosphocholines
(LPCs),
lyso-glycerophosphoglycerols
(LPGs),
lyso-glycerophosphoinositols
(LPIs),
lyso-glycerophosphoethanolamine
(LPEs).
Furthermore,
three
resistant
had
prevalent
down-accumulated
classes,
while
genotype
up-accumulated
classes.
Язык: Английский
Bacterial species causing leaf and fruit spots and stem lesions of grapevine (Vitis vinifera L.) in Iran
European Journal of Plant Pathology,
Год журнала:
2024,
Номер
170(1), С. 169 - 180
Опубликована: Июнь 5, 2024
Язык: Английский
Mass Spectrometry Imaging to map metabolites in plant-microbe interactions: grapevine as a case study
OENO One,
Год журнала:
2024,
Номер
58(3)
Опубликована: Июль 16, 2024
Every
year,
viticulture
faces
several
disease
outbreaks
caused
by
pathogens
with
different
life
cycles
and
modes
of
action,
due
to
climate
changes,
the
appearance
new
is
a
concern
for
viticulture.
To
cope
pathogenic
microorganisms,
plant
must
recognise
invading
agent
arm
itself
an
arsenal
defence
reactions,
including
accumulation
antimicrobial
metabolites.The
modulation
metabolites
one
first
responses
biotic
factors.
Their
rapid
synthesis
can
greatly
contribute
strengthening
allowing
it
adapt,
minimise
pathogen
colonisation
survive.
Despite
scientific
community's
efforts
characterise
grapevine
pathogens,
molecules
involved
in
control
their
specific
localisation
remain
be
deciphered.Mass
Spectrometry
Imaging
(MSI)
analytical
techniques
enable
visualise
map
spatial
distribution
numerous
biological
within
tissues
better
understanding
biosynthesis,
function.In
this
review,
we
explore
applications
MSI
study
plant/microbe
interactions
focusing
on
studies.
This
review
opens
doors
gain
comprehensive
dynamics
variations
metabolite
profiles
organs,
at
developmental
stages
under
various
stress
conditions.
knowledge
crucial
elucidating
role
mechanisms,
identifying
regions
high
or
low
production,
which
targeted
breeding
improve
resistance
traits
have
impact
productivity
quality.
Язык: Английский