Environmental Microbiome,
Год журнала:
2023,
Номер
18(1)
Опубликована: Дек. 5, 2023
Disease
suppressiveness
of
soils
to
fungal
root
pathogens
is
typically
induced
in
the
field
by
repeated
infections
host
plant
and
concomitant
changes
taxonomic
composition
functional
traits
rhizosphere
microbiome.
Here,
we
studied
this
remarkable
phenomenon
for
Bipolaris
sorokiniana
two
wheat
cultivars
differing
resistance
pathogen.The
results
showed
that
exposure
susceptible
cultivar
pathogen
led
a
significant
reduction
disease
severity
after
five
successive
growth
cycles.
Surprisingly,
resistant
cultivar,
initially
included
as
control,
opposite
pattern
with
an
increase
exposure.
Amplicon
analyses
revealed
bacterial
families
Chitinophagaceae,
Anaerolineaceae
Nitrosomonadaceae
were
associated
cultivar;
was
also
Chitinophagaceae
higher
abundance
Comamonadaceae.
Metagenome
analysis
selection
604
Biosynthetic
Gene
Clusters
(BGCs),
out
total
2,571
identified
AntiSMASH
analysis,
overrepresented
when
soil
entered
suppressive
state.
These
BGCs
are
involved
biosynthesis
terpenes,
non-ribosomal
peptides,
polyketides,
aryl
polyenes
post-translationally
modified
peptides.Combining
profiling
key
microbiome
during
suppression.
This
illustrates
how
relies
on
first
line
defense
fight
soil-borne
pathogens.
Microbial
taxa
functions
here
can
be
used
novel
strategies
control
Soil Use and Management,
Год журнала:
2025,
Номер
41(1)
Опубликована: Янв. 1, 2025
Abstract
Soil
microbes
play
a
significant
role
in
the
carbon
cycle.
However,
our
understanding
of
how
soil
respond
to
different
substrates
is
still
limited.
Here,
we
investigated
ecological
mechanisms
behind
overall
metabolism
differences
under
fertilizations
paddy
ecosystem.
Four
fertilization
treatments,
no
fertilizers
(CK),
mineral
nitrogen,
phosphorus
and
potassium
(NPK),
plus
organic
manures
(NPKM)
straw
return
(NPKS)
were
set
up.
Our
results
indicated
that
drove
shifts
microbial
community
structure,
with
reduction
abundance
Actinobacteriota
an
increase
Chloroflexi
.
NPKS
CK
exhibited
higher
utilization
capacity
across
various
sources,
particularly
metabolic
activity
for
carbohydrates
than
NPK
NPKM
treatments.
The
weighted
gene
co‐expression
network
analysis
(WGCNA)
was
used
evaluate
correlation
between
modules
WGCNA
metabolism.
We
found
are
important
contributors
variations
It
key
species
module
affecting
carbohydrate
C0119
,
which
belongs
Ktedonobacteria
suggest
could
mediate
core
bacterial
affect
finally
function.
FEMS Microbiology Ecology,
Год журнала:
2020,
Номер
97(2)
Опубликована: Ноя. 4, 2020
ABSTRACT
Mutualistic
relationships
of
legume
plants
with,
either
bacteria
(like
rhizobia)
or
fungi
arbuscular
mycorrhizal
fungi),
have
been
investigated
intensively,
usually
as
bi-partite
interactions.
However,
diverse
symbiotic
interactions
take
place
simultaneously
sequentially
under
field
conditions.
Their
collective,
but
not
additive,
contribution
to
plant
growth
and
performance
remains
hard
predict,
appears
be
furthermore
affected
by
crop
species
genotype,
non-symbiotic
microbial
environmental
variables.
The
challenge
is:
(i)
unravel
the
complex
overlapping
mechanisms
that
operate
between
symbionts
well
them,
their
hosts
rhizosphere
(ii)
understand
dynamics
respective
in
evolutionary
ecological
terms.
target
for
agriculture,
food
security
environment,
is
use
this
insight
a
solid
basis
developing
new
integrated
technologies,
practices
strategies
efficient
beneficial
microbes
legumes
other
plants.
We
review
recent
advances
our
understanding
roots
brought
about
with
aid
molecular
bioinformatics
tools.
go
through
single
symbiont-host
interactions,
proceed
tripartite
appraise
associative
microbiomes
root-rhizoplane-soil
continuum
habitats
end
up
examining
attempts
validate
community
ecology
principles
legume-microbe-soil
biosystem.
Environmental Microbiome,
Год журнала:
2023,
Номер
18(1)
Опубликована: Дек. 5, 2023
Disease
suppressiveness
of
soils
to
fungal
root
pathogens
is
typically
induced
in
the
field
by
repeated
infections
host
plant
and
concomitant
changes
taxonomic
composition
functional
traits
rhizosphere
microbiome.
Here,
we
studied
this
remarkable
phenomenon
for
Bipolaris
sorokiniana
two
wheat
cultivars
differing
resistance
pathogen.The
results
showed
that
exposure
susceptible
cultivar
pathogen
led
a
significant
reduction
disease
severity
after
five
successive
growth
cycles.
Surprisingly,
resistant
cultivar,
initially
included
as
control,
opposite
pattern
with
an
increase
exposure.
Amplicon
analyses
revealed
bacterial
families
Chitinophagaceae,
Anaerolineaceae
Nitrosomonadaceae
were
associated
cultivar;
was
also
Chitinophagaceae
higher
abundance
Comamonadaceae.
Metagenome
analysis
selection
604
Biosynthetic
Gene
Clusters
(BGCs),
out
total
2,571
identified
AntiSMASH
analysis,
overrepresented
when
soil
entered
suppressive
state.
These
BGCs
are
involved
biosynthesis
terpenes,
non-ribosomal
peptides,
polyketides,
aryl
polyenes
post-translationally
modified
peptides.Combining
profiling
key
microbiome
during
suppression.
This
illustrates
how
relies
on
first
line
defense
fight
soil-borne
pathogens.
Microbial
taxa
functions
here
can
be
used
novel
strategies
control
