Tree Physiology,
Journal Year:
2024,
Volume and Issue:
44(2)
Published: Jan. 15, 2024
Abstract
The
level
of
cadmium
(Cd)
accumulation
in
orchard
soils
is
increasing,
and
excess
Cd
will
cause
serious
damage
to
plants.
Melatonin
a
potent
natural
antioxidant
has
potential
role
alleviating
stress.
This
study
aimed
investigate
the
effects
exogenous
melatonin
on
root
endophyte
bacteria
community
metabolite
composition
under
results
showed
that
significantly
scavenged
reactive
oxygen
species
restored
photosynthetic
system
(manifested
by
improved
parameters,
total
chlorophyll
content
fluorescence
parameters
(Fv/Fm)),
increased
activity
enzymes
(the
activities
catalase,
superoxide
dismutase,
peroxidase
ascorbate
oxidase)
reduced
concentration
roots
leaves
apple
High-throughput
sequencing
endophytic
bacterial
richness
changed
structure
abundance
some
potentially
beneficial
(Ohtaekwangia,
Streptomyces,
Tabrizicola
Azovibrio)
significantly,
indicating
plants
may
absorb
microorganisms
resist
metabolomics
metabolites,
relative
metabolites
decreased,
suggesting
stress
depleting
metabolites.
In
addition,
co-occurrence
network
analysis
indicated
endophytes
be
influenced
specific
These
provide
theoretical
basis
for
studying
metabolic
Journal of Agricultural and Food Chemistry,
Journal Year:
2020,
Volume and Issue:
68(18), P. 5024 - 5038
Published: April 7, 2020
Microorganisms
colonizing
the
plant
rhizosphere
provide
a
number
of
beneficial
functions
for
their
host.
Although
an
increasing
investigations
clarified
great
functional
capabilities
microbial
communities,
understanding
precise
mechanisms
underlying
impact
microbiome
assemblies
is
still
limited.
Also,
not
much
known
about
various
microbiome.
In
this
review,
we
summarize
current
knowledge
biotic
and
abiotic
factors
that
shape
as
well
traits
are
to
plants
growth
disease-resistance.
We
give
particular
emphasis
on
root
metabolites
how
contributes
growth,
yield,
Finally,
introduce
new
perspective
novel
method
showing
synthetic
community
construction
provides
effective
approach
unravel
plant–microbes
microbes–microbes
interplays.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 4, 2024
Abstract
Biological
nitrogen
fixation
by
free-living
bacteria
and
rhizobial
symbiosis
with
legumes
plays
a
key
role
in
sustainable
crop
production.
Here,
we
study
how
different
combinations
influence
the
interaction
between
peanut
plants
their
rhizosphere
microbiota
via
metabolite
deposition
functional
responses
of
symbiotic
nitrogen-fixing
bacteria.
Based
on
long-term
(8
year)
diversified
cropping
field
experiment,
find
that
co-cultured
maize
oilseed
rape
lead
to
specific
changes
profiles
bacterial
functions
nodulation.
Flavonoids
coumarins
accumulate
due
activation
phenylpropanoid
biosynthesis
pathways
peanuts.
These
enhance
growth
activity
isolates,
root
nodulation
Bradyrhizobium
isolates.
Peanut
plant
metabolites
interact
isolates
contributing
initiate
Our
findings
demonstrate
tailored
intercropping
could
be
used
improve
soil
availability
through
microbiome
its
functions.
Frontiers in Microbiology,
Journal Year:
2020,
Volume and Issue:
11
Published: June 23, 2020
Some
members
of
root-associated
Bacillus
species
have
been
developed
as
biocontrol
agents
due
to
their
contribution
plant
protection
by
directly
interfering
with
the
growth
pathogens
or
stimulating
systemic
resistance
in
host.
As
rhizosphere-dwelling
bacteria,
these
bacilli
are
surrounded
and
constantly
interacting
other
microbes
via
different
types
communications.
With
this
review,
we
provide
an
updated
vision
molecular
phenotypic
responses
upon
sensing
rhizosphere
microorganisms
and/or
metabolites.
We
illustrate
how
spp.
may
react
modulating
production
secondary
metabolites,
such
cyclic
lipopeptides
polyketides.
On
hand,
some
developmental
processes,
biofilm
formation,
motility,
sporulation
also
be
modified
interaction,
reflecting
adaptation
multicellular
communities
microbial
competitors
for
preserving
ecological
persistence.
This
review
points
out
limited
data
available
a
global
lack
knowledge
indicating
that
more
research
is
needed
order
to,
not
only
better
understand
ecology
natural
soil
niche,
but
assess
improve
promising
potential.
Nature Chemistry,
Journal Year:
2022,
Volume and Issue:
14(6), P. 701 - 712
Published: April 25, 2022
Abstract
Microorganisms
contribute
to
the
biology
and
physiology
of
eukaryotic
hosts
affect
other
organisms
through
natural
products.
Xenorhabdus
Photorhabdus
(
XP
)
living
in
mutualistic
symbiosis
with
entomopathogenic
nematodes
generate
products
mediate
bacteria–nematode–insect
interactions.
However,
a
lack
systematic
analysis
biosynthetic
gene
clusters
(BGCs)
has
limited
understanding
how
interactions
between
organisms.
Here
we
combine
pangenome
sequence
similarity
networks
analyse
BGCs
from
45
strains
that
cover
all
sequenced
our
collection
represent
almost
taxonomy.
The
identified
1,000
belong
176
families.
most
conserved
families
are
denoted
by
11
BGC
classes.
We
homologously
(over)express
ubiquitous
unique
identify
compounds
featuring
unusual
architectures.
bioactivity
evaluation
demonstrates
prevalent
proteasome
inhibitors,
virulence
factors
against
insects,
metallophores
insect
immunosuppressants.
These
findings
explain
functional
basis
bacterial
this
tripartite
relationship.
