FEMS Microbiology Ecology,
Год журнала:
2020,
Номер
96(5)
Опубликована: Март 19, 2020
ABSTRACT
The
plant
vascular
system
has
remained
an
underexplored
niche
despite
its
potential
for
hosting
beneficial
microbes.
aim
of
this
work
was
to
determine
the
origin
microbial
endophytes
inhabiting
grapevine.
We
focused
on
a
single
commercial
vineyard
in
California
over
two-year
period
and
used
amplicon
metagenomics
approach
profile
bacterial
(16S–V4)
fungal
(ITS)
communities
microbiome
across
continuum
six
grapevine
compartments:
bulk
soil,
rhizosphere,
root,
cordon,
cane
sap.
Our
data
supported
that
roots
are
bottleneck
richness
they
mostly
colonized
with
soilborne
microbes,
including
growth-promoting
bacteria
recruited
by
host,
but
also
saprophytic
pathogenic
invaders.
A
core
group
taxa
identified
throughout
vine;
however,
there
clear
partitioning
adaptation
distinct
taxonomic
groups.
Above-
belowground
tissues
displayed
fingerprints
were
intermixed
limited
capacity
way
discuss
how
cultural
practices
human
contact
may
shape
endosphere
identify
channels
transmission
residents.
Frontiers in Microbiology,
Год журнала:
2018,
Номер
9
Опубликована: Ноя. 15, 2018
Microbial
endophytes
are
present
in
all
the
known
plant
species.
Their
ability
to
enter
and
thrive
tissues
is
unique
represents
multidimensional
interactions
within
host
plant.
Several
vital
activities
of
be
influenced
by
presence
endophytes.
They
can
promote
growth,
elicit
defence
response
against
pathogen
attack
act
as
remediator
abiotic
stresses.
Most
research
depicting
endophyte's
behaviour
inside
assumes
their
course
action
similar
growth
promoting
(PGP)
microbes
rhizosphere,
however,
a
new
vision
towards
difference
rhizosphere
environment
from
that
internal
seeking
attention.
Furthermore,
it
would
interesting
explore
impact
endosymbiont
on
host's
gene
expression,
metabolism,
physiological
aspects
essential
conferring
resistance
biotic
A
more
enchanting
inexplicable
issue
with
many
has
critically
evaluated
produce
host-metabolites
which
could
harnessed
at
large
scale
for
potential
use
medicine,
agriculture
or
industry.
In
this
review,
we
discuss
concept
endophytism,
looking
into
latest
insights
related
multipartite
beneficial
plants
how
these
association
explored
future
sustaining
agriculture,
environment,
other
such
human
health.
Frontiers in Bioengineering and Biotechnology,
Год журнала:
2020,
Номер
8
Опубликована: Май 15, 2020
Endophytes
are
abundant
in
plants
and
studies
continuously
emanating
on
their
ability
to
protect
from
pathogens
that
cause
diseases
especially
the
field
of
agriculture.
The
advantage
endophytes
have
over
other
biocontrol
agents
is
colonize
plant's
internal
tissues.
Despite
this
attributes,
a
deep
understanding
mechanism
employed
by
protecting
plant
still
required
for
both
effectiveness
commercialization.
Also,
there
increasing
cases
antibiotics
resistance
among
most
causative
human
beings,
which
calls
an
alternative
drug
discovery
using
natural
sources.
present
themselves
as
storehouse
many
bioactive
metabolites
such
phenolic
acids,
alkaloids,
quinones,
steroids,
saponins,
tannins,
terpenoids
makes
them
promising
candidate
anticancer,
antimalarial,
antituberculosis,
antiviral,
antidiabetic,
anti-inflammatory,
antiarthritis,
immunosuppressive
properties
others,
even
though
primary
function
compounds
make
host
resistant
abiotic
biotic
stresses.
peculiar
source
possible
drugs.
This
study
elucidates
mechanisms
different
bioactivities
importance
humans
with
focus
endophytic
bacteria
fungi.
Frontiers in Microbiology,
Год журнала:
2020,
Номер
11
Опубликована: Май 25, 2020
Plant-parasitic-nematodes
represent
a
major
threat
to
the
agricultural
production
of
different
crops
worldwide.
Due
high
toxicity
chemical
nematicides,
it
is
necessary
develop
new
control
strategies
against
nematodes.
In
this
respect,
filamentous
fungi
can
be
an
interesting
biocontrol
alternative.
The
genus
Trichoderma,
mycorrhizal
and
endophytic
are
main
groups
studied
used
as
biological
agents
(BCAs)
nematodes
resistance
inducers.
They
able
reduce
damage
caused
by
plant-parasitic
directly
parasitism,
antibiosis,
paralysis
lytic
enzymes.
But
they
also
minimise
harm
space
resource-competition,
providing
higher
nutrient
water
uptake
plant,
or
modifying
root
morphology,
and/or
rhizosphere
interactions,
that
constitutes
advantage
for
plant-growth.
Besides,
induce
activating
hormone-mediated
(salicylic
jasmonic
acid,
strigolactones
among
others)
plant-defence
mechanisms.
Additionally,
alteration
transport
defence
components
through
plant
synthesis
secondary
metabolites
enzymes
contribute
enhancing
defences.
Therefore,
use
mentioned
BCAs
promising
durable
strategy
in
agriculture
Plant Ecology & Diversity,
Год журнала:
2018,
Номер
11(5-6), С. 555 - 567
Опубликована: Ноя. 2, 2018
ABSTRACT
Background
Fungal
endophytes
occur
ubiquitously
in
plants
and
are
being
increasingly
studied
for
their
ability
to
support
plant
health
protect
the
host
from
diseases.
Using
disease
control
provides
potential
advantages
compared
other
biocontrol
agents
since
they
colonise
internally
thereby
stay
protected
environmental
stresses
fluctuations.
A
thorough
understanding
of
mechanisms
is
required
mutualistic
association
with
plants;
both
optimise
efficacy
registration
as
protection
products.
Aims
To
provide
a
critical
review
on
employed
by
endophytic
fungi
biological
control.
Furthermore,
we
draw
attention
gaps
our
knowledge
complex
interactions
between
plant,
pathogen
endophyte
discuss
implications
future
research.
Methods
Review
literature
where
colonisation
during
specific
interaction
has
been
confirmed.
Results
Known
disease-reducing
include
direct
inhibition
activity
competition,
antibiosis
mycoparasitism
indirect
induced
resistance,
plant's
own
defence
system
activated
combat
Relying
vitro
studies
alone
can
result
misleading
conclusions.
Conclusions
We
need
investigate
nature
requirements
establishment
successful
plant-endophyte
interactions,
development
efficient
agents.
Mycology: An International Journal on Fungal Biology,
Год журнала:
2021,
Номер
13(1), С. 39 - 55
Опубликована: Июнь 29, 2021
Endophytic
fungi
are
found
in
most,
if
not
all,
plant
species
on
the
planet.
They
colonise
inner
tissues
without
causing
symptoms
of
disease,
thus
providing
benefits
to
host
while
also
benefiting
from
this
interaction.
The
global
concern
for
development
more
sustainable
agriculture
has
increased
recent
years,
and
research
been
performed
decipher
ecology
explore
potential
endophytic
interactions
growth.
To
date,
many
studies
point
positive
aspects
colonisation,
review,
such
is
summarised
based
direct
(acquisition
nutrients
phytohormone
production)
indirect
(induced
resistance,
production
antibiotics
secondary
metabolites,
siderophores
protection
abiotic
biotic
stresses)
colonisation.
An
in-depth
discussion
mechanisms
presented.
Biomolecules,
Год журнала:
2019,
Номер
9(10), С. 521 - 521
Опубликована: Сен. 23, 2019
Fungal
diseases
have
been
underestimated
worldwide
but
constitute
a
substantial
threat
to
several
plant
and
animal
species
as
well
public
health.
The
increase
in
the
global
population
has
entailed
an
demand
for
agriculture
recent
decades.
Accordingly,
there
pressure
find
means
improve
quality
productivity
of
agricultural
crops.
Antifungal
agents
widely
used
alternative
managing
fungal
affecting
However,
unregulated
use
antifungals
can
jeopardize
Application
fungicides
should
be
under
strict
regulation
ensure
toxicological
safety
commercialized
foods.
This
review
discusses
worldwide,
need
develop
new
antifungals,
improvement
regulations
regarding
antifungal
use.
Abstract
Background
The
dominant
fungi
in
arid
grasslands
and
shrublands
are
members
of
the
Ascomycota
phylum.
important
drivers
carbon
nitrogen
cycling
ecosystems.
These
play
roles
soil
stability,
plant
biomass
decomposition,
endophytic
interactions
with
plants.
They
may
also
form
symbiotic
associations
biocrust
components
or
be
latent
saprotrophs
pathogens
that
live
on
tissues.
However,
their
functional
potential
soils,
where
organic
matter,
nutrients
water
very
low
only
periodically
available,
is
poorly
characterized.
Results
Five
were
isolated
from
different
crust
microhabitats
rhizosphere
soils
around
native
bunchgrass
Pleuraphis
jamesii
an
grassland
near
Moab,
UT,
USA.
Putative
genera
Coniochaeta
,
lichen
biocrust,
Embellisia
cyanobacteria
Chaetomium
below
Phoma
a
moss
microhabitat,
Aspergillus
soil.
grown
replicate
cultures
sources
(chitin,
pine
wood)
relevant
to
sources.
Secretomes
produced
by
each
substrate
demonstrate
these
likely
interact
primary
producers
(biocrust
plants)
secreting
wide
range
proteins
facilitate
associations.
Each
fungal
isolates
secreted
enzymes
degrade
biomass,
small
effector
proteins,
involved
either
beneficial
virulence.
expressed
more
degrading
when
grass-
pine-containing
than
chitin.
similar
numbers
under
all
conditions,
while
grass-containing
cultures.
Conclusions
This
study
genomes
secretomes
provides
insights
about
lifestyles
grassland,
exact
nature
those
interactions,
whether
any
true
endophytes,
opportunistic
phytopathogens,
will
topic
future
studies.
International Journal of Microbiology,
Год журнала:
2020,
Номер
2020, С. 1 - 8
Опубликована: Июль 30, 2020
Biotic
and
abiotic
factors
cause
an
enormous
amount
of
yield
economical
loss.
However,
endophytes
can
play
a
significant
role
in
enhancing
the
tolerance
plants.
Endophytes
systematically
colonize
different
parts
host,
but
plants
use
variety
defense
mechanisms
towards
microbial
infection.
they
have
to
survive
oxidative
environments,
like
Enterobacter
sp.
encode
superoxide
dismutases,
catalases,
hydroperoxide
reductases
cope
up
stress
during
colonization.
On
contrary,
others
produce
subtilomycin
which
binds
with
flagella
affect
flg22-induced
plant
defense.
The
behavior
be
affected
by
genes
hydrolase
activity
when
come
into
contact
host
plant.
lifestyle
is
influenced
environmental
factors,
genotypes,
as
well
imbalance
nutrient
exchange
between
microbe
host.
For
instance,
induction
PiAMT1
root
endophyte
Piriformospora
indica
indicates
depletion
nitrogen
plays
triggering
factor
for
activation
saprotrophic
program.
Microbes
enhance
disease
resistance
through
induced
systemic
(ISR),
Bacillus
cereus
triggers
ISR
against
Botrytis
cinerea
accumulation
PR1
protein
activates
MAPK
signaling
WRKY53
gene
expression
JA/ET
pathway.
Similarly,
Trichoderma
arundinaceum
produces
trichodiene
that
affects
defense-related
encoding
salicylic
acid
(SA)
jasmonate
(JA).
Overall,
vital
management.