Current Opinion in Plant Biology,
Год журнала:
2023,
Номер
77, С. 102487 - 102487
Опубликована: Дек. 5, 2023
The
study
of
plant–microbe
interactions
and
the
characterization
plant-associated
microbiota
has
been
focus
plant
researchers
in
last
decades
due
to
its
importance
for
health
natural
conditions.
Here,
I
explore
persistent
core
associated
with
different
species
across
environments
by
performing
a
meta-analysis
publicly
available
datasets.
Intra-specific
analyses
revealed
that
diverse
genotypes
growing
similar
habitats
interact
common
set
microbial
groups
but
some
these
are
species-
or
environment-specific.
Furthermore,
interspecific
demonstrates
conservation
seven
bacterial
orders
photosynthetic
organisms,
including
microalgae,
suggesting
conserved
capacity
interaction
microbes
throughout
evolutionary
history.
However,
specific
functions
members
whether
hosts
remain
largely
unexplored.
therefore
discuss
understanding
roles
propose
future
research
directions,
exploration
kingdoms.
By
investigating
functions,
it
will
be
possible
leverage
this
knowledge
sustainable
agricultural
management
goals.
Microbiology Spectrum,
Год журнала:
2024,
Номер
12(7)
Опубликована: Июнь 6, 2024
Host-associated
microbiomes
are
shaped
by
both
their
environment
and
host
genetics,
often
impact
performance.
The
scale
of
genetic
variation
important
to
microbes
is
largely
unknown
yet
fundamental
the
community
assembly
host-associated
microbiomes,
with
implications
for
eco-evolutionary
dynamics
hosts.
Using
Microbiology Spectrum,
Год журнала:
2024,
Номер
13(1)
Опубликована: Ноя. 26, 2024
Switchgrass
(Panicum
virgatum
L.)
is
considered
a
sustainable
biofuel
feedstock,
given
its
fast-impact
growth,
low
input
requirements,
and
high
biomass
yields.
Improvements
in
bioenergy
conversion
efficiency
of
switchgrass
could
be
made
by
reducing
lignin
content.
Engineered
that
expresses
bacterial
3-dehydroshikimate
dehydratase
(QsuB)
has
reduced
content
improved
saccharification
due
to
the
rerouting
shikimate
pathway
towards
simple
aromatic
protocatechuate
at
expense
biosynthesis.
However,
impacts
this
QsuB
trait
on
microbiome
structure
function
remain
unclear.
To
address
this,
wild-type
QsuB-engineered
were
grown
field
soils,
samples
collected
from
inflorescences,
leaves,
roots,
rhizospheres,
bulk
soils
for
analysis.
We
investigated
how
expression
influenced
switchgrass-associated
fungal
communities
using
high-throughput
Illumina
MiSeq
amplicon
sequencing
ITS
16S
rDNA.
Compared
wild-type,
hosted
different
microbial
rhizosphere,
leaves.
Specifically,
plants
had
lower
relative
abundance
arbuscular
mycorrhizal
fungi
(AMF).
Additionally,
fewer
Actinobacteriota
root
rhizosphere
samples.
These
findings
may
indicate
changes
plant
metabolism
impact
both
AMF
similarly
or
potential
interactions
between
community.
This
study
enhances
understanding
plant-microbiome
providing
baseline
data
developing
beneficial
bioengineering
strategies
assessing
nontarget
engineered
traits
microbiome.
Bioenergy
crops
provide
an
important
strategy
mitigating
climate
change.
Reducing
improve
fermentable
sugar
yields
more
efficient
into
bioproducts.
In
study,
we
assessed
impacted
aboveground
belowground
Our
results
show
unexpected
reductions
mycorrhizas
actinobacteria
tissues,
raising
questions
resilience
genetically
agricultural
systems.
Plants
can
benefit
from
interacting
with
their
soil
microbiomes.To
harness
these
interactions
for
improved
plant
performance,
it
is
necessary
to
understand
the
genetic
basis
of
effects
on
microbiome
composition.To
date,
only
few
studies
have
aimed
pinpoint
variants
that
affect
composition,
and
grasses
this
issue
remains
largely
unexplored.Using
16S
ITS
amplicon
sequencing,
here
we
characterized
in
rhizospheres
root
endospheres
154
genotypes
Lolium
perenne,
an
important
turf
forage
grass
species.Using
available
single
nucleotide
polymorphisms
(SNPs)
data,
used
a
genome-wide
association
study
(GWAS)
identify
candidate
genes
associated
variation
microbiomes.Our
results
suggest
bacterial
fungal
communities
are
modulated
by
similar
biological
processes,
which
pathways
related
defenses
development
strongly
implicated.Genes
lateral
formation
seem
particularly
relevant
shaping
plant-fungal
interactions.In
endosphere
microbiomes,
perenne
had
stronger
influence
than
plant-bacterial
communities.Our
adds
growing
evidence
within
species
modulates
provides
insight
mechanisms
plants
control
composition.Genome-wide
pinpoints
loci
rhizosphere
|
25Genome-wide
27Genome-wide
29Genome-wide
35Genome-wide
37Genome-wide
43Genome-wide
45Genome-wide
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 17, 2023
Summary
Since
microbial
traits
are
conserved
at
different
taxonomic
levels,
plant
hosts
may
influence
microbiome
composition
differently
levels
to
broadly
promote
or
resist
microbiota
with
that
impact
host
fitness.
We
tested
this
hypothesis
by
assessing
signals
of
genetic
on
bacterial
in
the
switchgrass
rhizosphere
using
128
genotypes
dissimilar
growing
sites.
employed
three
common
gardens,
combined
mapping,
16S
rRNA
gene
sequence
analysis,
hierarchical
modeling,
tests
phylogenetic
conservation
influence,
and
genome-wide
association
analyses
determine
contributions
genetics
shaping
levels.
Modeling
assembly
showed
site
was
a
strong
factor
rhizosphere,
though
played
significant
role.
The
heritability
abundance
strongest
genus
level.
Phylogenetic
signal
for
detected
within
phylogeny
but
clades
differed
between
gardens.
identified
shared
variants
associated
related
metabolism.
Our
results
suggest
further
investigation
is
required
regarding
genotype-by-environment-by-microbiome
relationship
elucidate
factors
agroecological
dynamics
phenotype.
Current Opinion in Plant Biology,
Год журнала:
2023,
Номер
77, С. 102487 - 102487
Опубликована: Дек. 5, 2023
The
study
of
plant–microbe
interactions
and
the
characterization
plant-associated
microbiota
has
been
focus
plant
researchers
in
last
decades
due
to
its
importance
for
health
natural
conditions.
Here,
I
explore
persistent
core
associated
with
different
species
across
environments
by
performing
a
meta-analysis
publicly
available
datasets.
Intra-specific
analyses
revealed
that
diverse
genotypes
growing
similar
habitats
interact
common
set
microbial
groups
but
some
these
are
species-
or
environment-specific.
Furthermore,
interspecific
demonstrates
conservation
seven
bacterial
orders
photosynthetic
organisms,
including
microalgae,
suggesting
conserved
capacity
interaction
microbes
throughout
evolutionary
history.
However,
specific
functions
members
whether
hosts
remain
largely
unexplored.
therefore
discuss
understanding
roles
propose
future
research
directions,
exploration
kingdoms.
By
investigating
functions,
it
will
be
possible
leverage
this
knowledge
sustainable
agricultural
management
goals.