Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
292, С. 117983 - 117983
Опубликована: Март 1, 2025
Considering
the
sensitivity
of
rare
microbial
taxa
to
environmental
disturbances
and
their
critical
roles
in
ecosystems,
it
is
essential
investigate
how
soil
communities
(particularly
microbes)
respond
pesticide
exposure.
In
this
study,
we
found
that
thiazole
pesticides
significantly
reduced
severity
potato
common
scab
effectively
disrupted
pathogen's
cell
membrane
integrity.
Notably,
hierarchical
partitioning
analysis
indicated
geocaulosphere
constitute
key
clusters
influencing
disease
incidence.
Within
bacterial
molecular
ecological
networks,
nodes
corresponding
these
generally
exhibited
higher
degrees
compared
those
more
abundant
taxa.
However,
exposure
number
keystone
substantially
weakened
hub
status
networks.
These
findings
suggest
that,
although
eradicate
pathogens,
they
may
also
pose
a
non-negligible
potential
risk
agricultural
ecosystems.
The
deep
sea
represents
the
largest
marine
ecosystem,
driving
global-scale
biogeochemical
cycles.
Microorganisms
are
most
abundant
biological
entities
and
play
a
vital
role
in
cycling
of
organic
matter
such
ecosystems.
primary
food
source
for
abyssal
biota
is
sedimentation
particulate
polymers.
However,
our
knowledge
specific
biopolymers
available
to
deep-sea
microbes
remains
largely
incomplete.
One
crucial
rate-limiting
step
depolymerization
polymers
facilitated
by
extracellular
enzymes
(EEs).
Therefore,
investigation
active
EEs
responsible
their
production
top
priority
better
understand
key
nutrient
sources
microbes.
Environmental Microbiology,
Год журнала:
2022,
Номер
24(8), С. 3791 - 3808
Опубликована: Май 17, 2022
Summary
To
alleviate
biotic
and
abiotic
stresses
enhance
fruit
yield,
many
crops
are
cultivated
in
the
form
of
grafted
plants,
which
shoot
(scion)
root
(rootstock)
systems
different
species
joined
together.
Because
(i)
plant
determines
microbial
recruitment
from
soil
to
(ii)
both
scion
rootstock
impact
physiology,
morphology
biochemistry
plant,
it
can
be
expected
that
their
combinations
should
affect
assembly
microbiome.
test
our
hypothesis,
we
investigated
at
a
field
scale
bacterial
fungal
communities
associated
with
system
seven
grapevine
rootstock–scion
across
10
vineyards.
Following
type,
resulted
main
determinant
community
diversity,
combination
more
important
than
two
components
taken
alone.
Notably,
microbiome
differences
among
were
mainly
dictated
by
changes
relative
abundance
members
rather
presence/absence.
These
results
reveal
is
largely
influenced
scion,
affects
diversity
uptaken
soil.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 19, 2024
Microorganisms,
especially
rare
microbial
species,
are
crucial
in
estuarine
ecosystems
for
driving
biogeochemical
processes
and
preserving
biodiversity.
However,
the
understanding
of
links
between
ecosystem
multifunctionality
(EMF)
diversity
bacterial
taxa
estuary
remains
limited.
Employing
high-throughput
sequencing
a
variety
statistical
methods,
we
assessed
diversities
assembly
process
abundant
bacterioplankton
their
contributions
to
EMF
subtropical
estuary.
Taxonomic
analysis
revealed
Proteobacteria
as
predominant
phylum
among
both
taxa.
Notably,
demonstrated
significantly
higher
taxonomic
larger
species
pool
than
Additionally,
our
findings
highlighted
that
deterministic
predominantly
shape
communities,
with
heterogeneous
selection
exerting
stronger
influence
on
Further
reveals
beta-diversity
impacts
EMF,
whereas
alpha
did
not.
The
partial
least
squares
path
modeling
(PLS-PM)
beta
taxa,
main
biotic
factor,
directly
affected
while
temperature
total
organic
carbon
(TOC)
were
additional
key
factors
determine
relationship
EMF.
These
advance
distribution
features
ecological
knowledge
estuaries,
provide
reference
exploring
different
biospheres
aquatic
environments.
