Applied and Environmental Microbiology,
Год журнала:
2018,
Номер
84(9)
Опубликована: Фев. 19, 2018
ABSTRACT
In
soil,
the
link
between
microbial
diversity
and
carbon
transformations
is
challenged
by
concept
of
functional
redundancy.
Here,
we
hypothesized
that
redundancy
may
decrease
with
increasing
source
recalcitrance
coupling
C
cycling
change
accordingly.
We
manipulated
to
examine
how
affects
decomposition
easily
degradable
(i.e.,
allochthonous
plant
residues)
versus
recalcitrant
autochthonous
organic
matter)
sources.
found
a
in
(i)
affected
both
sources,
thereby
reducing
global
CO
2
emission
up
40%,
(ii)
shaped
toward
preferential
most
Our
results
also
revealed
significance
effect
increases
nutrient
availability.
Altogether,
these
findings
show
soil
be
more
vulnerable
changes
than
expected
from
previous
studies,
particularly
ecosystems
exposed
inputs.
Thus,
concern
about
preservation
highly
relevant
current
global-change
context
assumed
impact
biodiversity
pulse
inputs
residues
rhizodeposits
into
soil.
IMPORTANCE
With
hundreds
thousands
taxa
per
gram
dominates
biodiversity.
While
numerous
studies
have
established
communities
respond
rapidly
environmental
changes,
relationship
functioning
remains
controversial.
Using
well-controlled
laboratory
approach,
provide
empirical
evidence
high
for
matter
decomposition,
major
process
on
which
rely
many
ecosystem
services
provided
ecosystem.
These
new
should
taken
account
future
aimed
at
understanding
predicting
consequences
storage
Science,
Год журнала:
2018,
Номер
359(6373), С. 320 - 325
Опубликована: Янв. 18, 2018
The
immense
diversity
of
soil
bacterial
communities
has
stymied
efforts
to
characterize
individual
taxa
and
document
their
global
distributions.
We
analyzed
soils
from
237
locations
across
six
continents
found
that
only
2%
phylotypes
(~500
phylotypes)
consistently
accounted
for
almost
half
the
worldwide.
Despite
overwhelming
communities,
relatively
few
are
abundant
in
globally.
clustered
these
dominant
into
ecological
groups
build
first
atlas
taxa.
Our
study
narrows
down
number
a
"most
wanted"
list
will
be
fruitful
targets
genomic
cultivation-based
aimed
at
improving
our
understanding
microbes
contributions
ecosystem
functioning.
Nature Reviews Microbiology,
Год журнала:
2019,
Номер
17(9), С. 569 - 586
Опубликована: Июнь 18, 2019
In
the
Anthropocene,
in
which
we
now
live,
climate
change
is
impacting
most
life
on
Earth.
Microorganisms
support
existence
of
all
higher
trophic
forms.
To
understand
how
humans
and
other
forms
Earth
(including
those
are
yet
to
discover)
can
withstand
anthropogenic
change,
it
vital
incorporate
knowledge
microbial
'unseen
majority'.
We
must
learn
not
just
microorganisms
affect
production
consumption
greenhouse
gases)
but
also
they
will
be
affected
by
human
activities.
This
Consensus
Statement
documents
central
role
global
importance
biology.
It
puts
humanity
notice
that
impact
depend
heavily
responses
microorganisms,
essential
for
achieving
an
environmentally
sustainable
future.
The
majority
with
share
often
goes
unnoticed
despite
underlying
major
biogeochemical
cycles
food
webs,
thereby
taking
a
key
change.
highlights
microbiology
issues
call
action
microbiologists.
Nature Communications,
Год журнала:
2019,
Номер
10(1)
Опубликована: Окт. 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.
The ISME Journal,
Год журнала:
2019,
Номер
13(7), С. 1722 - 1736
Опубликована: Март 8, 2019
Root-associated
microbes
play
a
key
role
in
plant
performance
and
productivity,
making
them
important
players
agroecosystems.
So
far,
very
few
studies
have
assessed
the
impact
of
different
farming
systems
on
root
microbiota
it
is
still
unclear
whether
agricultural
intensification
influences
structure
complexity
microbial
communities.
We
investigated
conventional,
no-till,
organic
wheat
fungal
communities
using
PacBio
SMRT
sequencing
samples
collected
from
60
farmlands
Switzerland.
Organic
harbored
much
more
complex
network
with
significantly
higher
connectivity
than
conventional
no-till
systems.
The
abundance
keystone
taxa
was
highest
under
where
lowest.
also
found
strong
negative
association
(R2
=
0.366;
P
<
0.0001)
between
connectivity.
occurrence
best
explained
by
soil
phosphorus
levels,
bulk
density,
pH,
mycorrhizal
colonization.
majority
are
known
to
form
arbuscular
associations
plants
belong
orders
Glomerales,
Paraglomerales,
Diversisporales.
Supporting
this,
fungi
roots
soils
farming.
To
our
knowledge,
this
first
study
report
for
agroecosystems,
we
demonstrate
that
reduces
microbiome.
Science,
Год журнала:
2020,
Номер
367(6479), С. 787 - 790
Опубликована: Фев. 14, 2020
Aridity,
which
is
increasing
worldwide
because
of
climate
change,
affects
the
structure
and
functioning
dryland
ecosystems.
Whether
aridification
leads
to
gradual
(versus
abrupt)
systemic
specific)
ecosystem
changes
largely
unknown.
We
investigated
how
20
structural
functional
attributes
respond
aridity
in
global
drylands.
Aridification
led
abrupt
multiple
attributes.
These
occurred
sequentially
three
phases
characterized
by
decays
plant
productivity,
soil
fertility,
cover
richness
at
values
0.54,
0.7,
0.8,
respectively.
More
than
20%
terrestrial
surface
will
cross
one
or
several
these
thresholds
2100,
calls
for
immediate
actions
minimize
negative
impacts
on
essential
services
more
2
billion
people
living
