Authorea (Authorea),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
A
major
challenge
in
ecology
is
to
understand
how
different
species
interact
determine
ecosystem
function,
particularly
communities
with
large
numbers
of
co-occurring
species.We
use
a
trait-based
model
microbial
litter
decomposition
quantify
taxa
impact
function.Further,
we
build
novel
framework
that
highlights
the
interplay
between
taxon
traits
and
environmental
conditions,
focusing
on
their
combined
influence
community
interactions
function.Our
results
suggest
driven
by
its
resource
acquisition
functional
capacity,
but
physiological
stress
amplifies
both
positive
negative
interactions.Further,
net
impacts
function
can
arise
even
as
microbes
have
pairwise
other
taxa.As
shift
response
global
climate
change,
our
findings
reveal
potential
predict
biogeochemical
functioning
from
interactions.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: April 15, 2025
Introduction
For
low-fertile
and
degraded
soils
of
sub-Saharan
Africa,
nitrogen
(N)
is
often
the
most
growth-limiting
factor
restricting
crop
yields.
The
often-suggested
exploitation
advantageous
rhizosphere
traits
such
as
enzyme
secretion
and/or
symbiosis
with
arbuscular
mycorrhizal
fungi
(AMF)
remains
to
be
validated
a
potential
strategy
overcome
N
limitation,
especially
when
deficiency
co-occurs
further
abiotic
stresses
water
scarcity.
Methods
Three
sorghum
genotypes
were
cultivated
in
soil
mesocosms
root-exclusion
compartment,
where
only
AMF
could
scavenge
for
nutrients
under
drought
optimal
conditions.
Plant
carbon
(C)
investment
into
uptake
tracked
by
15
application
coupled
13
CO
2
labeling
Results
Under
drought,
mineral
from
compartment
increased
4–12
times
compared
well-watered
In
addition,
stress
enhanced
below-ground
allocation
recently
assimilated
C
microbial
biomass.
Drought
reduced
enzymatic
(Vmax)
chitinase
while
increasing
leucine
aminopeptidase
(LAP)
activity.
This
suggests
that
acquisition
via
protein
mineralization
was
relatively
chitin
following
moisture
limitation.
LAP
substrate
affinity
(Km)
genotype-specific
shifts
systems
observed.
Conclusion
Our
findings
suggest
activated
its
associated
microbiome.
not
led
shift
enzyme-driven
distinct
organic
sources
but
also
induced
strong
increase
AMF-based
mycosphere.
trait
plasticity
response
may
harnessed
stabilize
food
production
increasingly
negative
impacts
droughts
due
climate
change.
Ecology Letters,
Journal Year:
2024,
Volume and Issue:
27(10)
Published: Oct. 1, 2024
ABSTRACT
A
major
challenge
in
ecology
is
to
understand
how
different
species
interact
determine
ecosystem
function,
particularly
communities
with
large
numbers
of
co‐occurring
species.
We
use
a
trait‐based
model
microbial
litter
decomposition
quantify
taxa
impact
function.
Furthermore,
we
build
novel
framework
that
highlights
the
interplay
between
taxon
traits
and
environmental
conditions,
focusing
on
their
combined
influence
community
interactions
Our
results
suggest
driven
by
its
resource
acquisition
functional
capacity,
but
physiological
stress
amplifies
both
positive
negative
interactions.
net
impacts
function
can
arise
even
as
microbes
have
pairwise
other
taxa.
As
shift
response
global
climate
change,
our
findings
reveal
potential
predict
biogeochemical
functioning
from
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(24), P. 11140 - 11140
Published: Dec. 19, 2024
Reducing
soil
tillage
with
the
application
of
catch-crop
green
mass
as
a
mulch
is
conservation
practice
that
used
in
agriculture
to
improve
ecosystem
functioning.
Such
cultivation
method
enhances
organic
matter
quantity
and
quality
through
improvement
biological
activity
nutrient
availability,
while
reducing
disturbance.
Therefore,
three-year
field
experiment
was
conducted
years
2017–2019
evaluate
effect
three
methods
(TMs)
(conventional,
CT;
reduced,
RT;
strip
tillage,
ST)
on
microbial
specific
enzyme
properties
(microbial
C
N
content,
dehydrogenases—DHA,
rate
fluorescein
sodium
salt
hydrolysis—FDAH,
CMC-cellulase—Cel
β-glucosidase—Glu)
certain
basic
properties.
The
study
performed
field;
it
one-factor
carried
out
randomized
block
design.
samples
were
collected
from
upper
layer
five
times
year:
April
(before
sowing
soybean),
May,
June,
August
September
soybean
harvesting).
or
sampling
dates
had
no
significant
carbon
total
nitrogen
levels.
Most
C-related
(the
content
biomass
C-cycling
enzymatic
such
Cel
Glu)
bioindicators
(DHA
activity,
FDAH
rate)
revealed
seasonal
changes,
whereby
each
variable
affected
different
order
(e.g.,
significantly
higher
than
other
months—22%,
DHA
June
compared
months—18%).
RT
increased
CT
ST,
difference
between
8
33%
(with
mean
18%).
exception
β-glucosidase
determined
2019,
which
case
(1.02
mg
pNP
kg−1
h−1)
ST
(0.705
h−1).
However,
explanation
for
phenomenon
could
not
possibly
be
based
available
data.
Our
results
suggested
response
activities
toward
same
factor
may
due
inherent
variability
associated
spatial
well
itself
changes
periodic
occurrence
its
substrates
soil.
Generally,
reduced
combined
plant
residues
return
recommended
enhancing
health
by
improving
features.
findings
above
suggest
system
an
important
component
management
sustainable
agriculture.
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(5), P. 1092 - 1092
Published: May 8, 2025
The
soil
microbiome
is
a
complex
system
that
encompasses
millions
of
microbes
including
archaea,
bacteria,
fungi,
protozoa
and
viruses.
role
abiotic
factors
crucial
in
shaping
the
distribution
patterns
microorganisms,
its
abundance
also
interactions
between
species,
from
local
to
global
level.
In
particular
case
vineyard,
microbial
communities
have
potential
impact
both
grapevine
development
health
and,
later
on,
grape
production
quality.
present
review
focuses
on
how
composition
influenced
by
climate
several
edaphic
factors,
such
as
moisture,
nutrients
pH.
It
discusses
microorganisms
their
metabolic
activity
fermentation
process,
influencing
sensorial
characterisation
wine
suggesting
definition
terroir.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 7, 2024
Pitaya
(Hylocereus
undulatus)
is
a
significant
cash
crop
in
the
karst
region
of
Southwest
China.
Ecological
stoichiometry
an
essential
method
to
research
biogeochemical
cycles
and
limiting
elements.
The
purpose
this
study
was
explore
stoichiometric
characteristics
C,
N,
P
Karst
pitaya
orchards
fruit
quality
elucidate
mechanism
process
nutrient
cycling.
results
showed
that:
(1)
Fruit
highest
under
combination
chemical
organic
fertilizers.
Compared
control,
contents
per-fruit
weight,
vitamin
soluble
sugar
increased
significantly
by
55.5%,
60.7%,
23.0%,
respectively,
while
content
titratable
acidity
decreased
22.0%.
(2)
soil
nutrients
fertilization
stress
downward
trend
general,
as
did
microbial
biomass
extracellular
enzyme
activities.
(3)
Different
treatments
affected
soil-microbial
C:N
ratio,
C:P
with
areas
being
limited
C
P.
(4)
Spearman
PLS-SEM
(partial
least
squares-structural
equation
model)
analysis
that
influence
fertilization,
there
positive
effect
between
microorganisms
nutrients,
but
negative
quality.
offer
innovative
perspective
on
areas.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(2), P. 368 - 368
Published: Feb. 14, 2024
Nitrogen
(N)
is
an
essential
element
both
affecting
rhizosphere
microorganisms
within
soil
and
supporting
plant
nutrition;
however,
little
known
about
how
the
microbial
community
composition
of
tiger
nut
in
sandy
responds
to
nitrogen
addition.
In
this
study,
high-throughput
sequencing
technology
employed
analyze
shifts
co-occurrence
networks
communities
after
addition
farmland.
Results
reveal
that
significantly
increases
several
parameters,
including
total
organic
matter
(SOC,
32.2%),
(TN,
46.2%),
alkali-hydro
(AN,
92.7%),
β-1,4-glucosidase
(BG,
12.6%),
L-leucine
aminopeptidase
(LAP,
8.62%),
β-1,4-xylosidase(XYL,
25.6%),
β-1,4-N-acetylglucosaminidase
(NAG,
32.3%).
Meanwhile,
bacterial
α-diversity
decreases
with
addition,
while
fungi
remain
unaffected.
Network
analysis
indicates
a
reduction
connections
between
microorganisms;
increasing
stability
observed
interaction
network
Importantly,
leads
enhancement
multifunctionality,
fungal
diversity
identified
as
primary
driver
multifunctionality.
The
positive
impact
on
multifunctionality
outweighs
relative
negative
effects.
This
study
sheds
light
nuanced
effects
its
consequent
Acidobacteria,
Proteobacteria
Ascomycota
having
effects,
providing
comprehensive
understanding
complex
environmental–plant–soil–microbe
interactions
farmland
ecosystems.
