Microorganisms,
Journal Year:
2021,
Volume and Issue:
9(2), P. 361 - 361
Published: Feb. 12, 2021
Soil-borne
microbes
are
major
ecological
players
in
terrestrial
environments
since
they
cycle
organic
matter,
channel
nutrients
across
trophic
levels
and
influence
plant
growth
health.
Therefore,
the
identification,
taxonomic
characterization
determination
of
role
members
soil
microbial
communities
have
become
topics
interest.
The
development
continuous
improvement
high-throughput
sequencing
platforms
further
stimulated
study
complex
microbiota
soils
plants.
most
frequently
used
approach
to
composition,
diversity
dynamics
is
polymerase
chain
reaction
(PCR),
amplifying
specific
taxonomically
informative
gene
markers
with
subsequent
amplicons.
This
methodological
called
DNA
metabarcoding.
Over
last
decade,
metabarcoding
has
rapidly
emerged
as
a
powerful
cost-effective
method
for
description
environmental
samples.
However,
this
involves
several
processing
steps,
each
which
might
introduce
significant
biases
that
can
considerably
compromise
reliability
output.
aim
review
provide
state-of-the-art
background
knowledge
needed
make
appropriate
decisions
at
step
workflow,
highlighting
crucial
steps
that,
if
considered,
ensures
an
accurate
standardized
studies.
Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: Oct. 24, 2019
Abstract
The
soil
microbiome
is
highly
diverse
and
comprises
up
to
one
quarter
of
Earth’s
diversity.
Yet,
how
such
a
functionally
complex
influences
ecosystem
functioning
remains
unclear.
Here
we
manipulated
the
in
experimental
grassland
ecosystems
observed
that
diversity
microbial
network
complexity
positively
influenced
multiple
functions
related
nutrient
cycling
(e.g.
multifunctionality).
Grassland
microcosms
with
poorly
developed
networks
reduced
richness
had
lowest
multifunctionality
due
fewer
taxa
present
support
same
function
(redundancy)
lower
different
(reduced
functional
uniqueness).
Moreover,
explained
pointing
significance
communities.
These
findings
indicate
importance
interactions
within
among
fungal
bacterial
communities
for
enhancing
performance
demonstrate
extinction
ecological
associations
belowground
can
impair
functioning.
Frontiers in Plant Science,
Journal Year:
2021,
Volume and Issue:
12
Published: Feb. 16, 2021
Microplastics
may
enter
the
soil
in
a
wide
range
of
shapes
and
polymers.
However,
little
is
known
about
effects
that
microplastics
different
shapes,
polymers,
concentration
have
on
properties
plant
performance.
To
address
this,
we
selected
12
representing
(fibers,
films,
foams,
fragments)
mixed
them
each
with
at
0.1,
0.2,
0.3,
0.4%.
A
phytometer
(Daucus
carota)
grew
pot
during
4
weeks.
Shoot,
root
mass,
aggregation,
microbial
activity
were
measured.
All
increased
biomass.
Shoot
mass
by
∼27%
fibers,
∼60%
∼45%
∼54%
fragments,
as
fibers
hold
water
for
longer,
films
decrease
bulk
density,
foams
fragments
can
increase
aeration
macroporosity,
which
overall
promote
By
contrast,
all
decreased
aggregation
∼25%
introduce
fracture
points
into
aggregates
due
to
potential
negative
biota.
The
latter
also
explain
with,
example,
polyethylene
films.
Our
findings
show
shape,
polymer
type,
are
key
when
studying
microplastic
terrestrial
systems.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: June 9, 2021
Abstract
Ecosystems
across
the
globe
receive
elevated
inputs
of
nutrients,
but
consequences
this
for
soil
fungal
guilds
that
mediate
key
ecosystem
functions
remain
unclear.
We
find
nitrogen
and
phosphorus
addition
to
25
grasslands
distributed
four
continents
promotes
relative
abundance
pathogens,
suppresses
mutualists,
does
not
affect
saprotrophs.
Structural
equation
models
suggest
responses
are
often
indirect
primarily
mediated
by
nutrient-induced
shifts
in
plant
communities.
Nutrient
also
reduces
co-occurrences
within
among
guilds,
which
could
have
important
belowground
interactions.
Focusing
only
on
plots
received
no
nutrient
addition,
properties
influence
pathogen
globally,
whereas
community
characteristics
climate
show
consistent,
guild-level
enhance
our
ability
predict
function
related
anthropogenic
eutrophication,
can
longer-term
Environmental Microbiology,
Journal Year:
2020,
Volume and Issue:
23(4), P. 1907 - 1924
Published: Sept. 30, 2020
Plants
harbour
highly
diverse
mycobiomes
which
sustain
essential
functions
for
host
health
and
productivity.
However,
ecological
processes
that
govern
the
plant-mycobiome
assembly,
interactions
their
impact
on
ecosystem
remain
poorly
known.
Here
we
characterized
role
community
assembly
of
both
abundant
rare
fungal
taxa
along
soil-plant
continuums
(rhizosphere,
phyllosphere
endosphere)
in
maize-wheat/barley
rotation
system
under
different
fertilization
practices
at
two
contrasting
sites.
Our
results
indicate
mycobiome
is
shaped
predominantly
by
compartment
niche
species
rather
than
environmental
factors.
Moreover,
crop-associated
communities
are
dominated
few
mainly
belonging
to
Sordariomycetes
Dothideomycetes,
while
majority
diversity
within
represented
taxa.
For
plant
compartments,
sub-community
determined
stochastic
processes.
In
contrast,
more
sensitive
selection
governed
deterministic
Furthermore,
our
demonstrate
play
an
important
co-occurrence
network
functioning
like
crop
yield
soil
enzyme
activities.
These
significantly
advance
understanding
highlight
key
sustaining
stability
functions.
New Phytologist,
Journal Year:
2020,
Volume and Issue:
229(3), P. 1492 - 1507
Published: Oct. 2, 2020
Summary
While
it
is
known
that
interactions
between
plants
and
soil
fungi
drive
many
essential
ecosystem
functions,
considerable
uncertainty
exists
over
the
drivers
of
fungal
community
composition
in
rhizosphere.
Here,
we
examined
roles
plant
species
identity,
phylogeny
functional
traits
shaping
rhizosphere
communities
tested
robustness
these
relationships
to
environmental
change.
We
conducted
a
glasshouse
experiment
consisting
21
temperate
grassland
grown
under
three
different
treatments
characterised
within
plants.
found
phylogenetic
relatedness
all
affected
composition.
Trait
with
were
primarily
driven
by
arbuscular
mycorrhizal
fungi,
root
stronger
predictors
than
leaf
traits.
These
patterns
independent
under.
Our
results
showcase
key
role
traits,
especially
diameter,
nitrogen
specific
length,
driving
composition,
demonstrating
potential
for
be
used
predictive
frameworks
plant–fungal
relationships.
Furthermore,
highlight
how
limitations
our
understanding
function
may
obscure
previously
unmeasured
interactions.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Sept. 28, 2021
Abstract
Plant-soil
feedbacks
are
shaped
by
microbial
legacies
that
plants
leave
in
the
soil.
We
tested
persistence
of
these
after
subsequent
colonization
same
or
other
plant
species
using
6
typical
grassland
species.
Soil
fungal
were
detectable
for
months,
but
current
effect
on
fungi
amplified
time.
By
contrast,
bacterial
communities,
faded
away
rapidly
and
bacteria
communities
influenced
strongly
plant.
However,
both
conserved
inside
roots
their
composition
significantly
correlated
with
growth.
Hence,
soil
present
at
time
establishment
play
a
vital
role
shaping
growth
even
when
have
due
conclude
microbiome
reversible
versatile,
they
can
create
plant-soil
via
altering
endophytic
community
acquired
during
early
ontogeny.