Forests,
Год журнала:
2025,
Номер
16(2), С. 276 - 276
Опубликована: Фев. 6, 2025
Soil
microorganisms
are
well
known
to
play
a
crucial
role
in
carbon
and
nutrient
cycling
within
terrestrial
ecosystems.
Numerous
research
efforts
have
demonstrated
that
nitrogen
deposition
can
change
forest
soil
microbial
diversity
community
composition;
however,
it
is
still
unclear
how
will
affect
the
composition
subtropical
forests
under
background
of
increasing
drought.
Consequently,
over
period
2.5
years,
we
carried
out
an
experiment
using
two
N
addition
regimes
three
water
treatment
levels
reveal
effects
nitrogen,
drought,
influence
their
interaction
on
microorganisms.
Overall,
found
both
drought
decreased
bacterial
Shannon
Simpson
indices
yet
had
no
significant
effect
fungal
diversity.
In
well-watered
treatments,
did
not
significantly
reduce
diversity,
while
moderate
severe
reducing
by
27.05%
0.13%,
respectively,
treatment.
Drought
altered
bacteria
regardless
addition.
changed
less
composition.
The
content,
fine
root
biomass,
pH
were
correlated
with
composition,
which
explained
53.3%,
11.1%,
8.7%
changes
respectively.
These
results
suggest
may
intensify
inhibitory
magnitude
direction
impact
community.
Microbial Biotechnology,
Год журнала:
2024,
Номер
17(3)
Опубликована: Март 1, 2024
Abstract
Global
climate
changes
threaten
food
security,
necessitating
urgent
measures
to
enhance
agricultural
productivity
and
expand
it
into
areas
less
for
agronomy.
This
challenge
is
crucial
in
achieving
Sustainable
Development
Goal
2
(Zero
Hunger).
Plant
growth‐promoting
microorganisms
(PGPM),
bacteria
fungi,
emerge
as
a
promising
solution
mitigate
the
impact
of
extremes
on
agriculture.
The
concept
plant
holobiont,
encompassing
host
its
symbiotic
microbiota,
underscores
intricate
relationships
with
diverse
microbial
community.
PGPM,
residing
rhizosphere,
phyllosphere,
endosphere,
play
vital
roles
nutrient
solubilization,
nitrogen
fixation,
biocontrol
pathogens.
Novel
ecological
functions,
including
epigenetic
modifications
suppression
virulence
genes,
extend
our
understanding
PGPM
strategies.
biofertilizers,
biocontrollers,
biomodulators,
more
contribute
sustainable
agriculture
environmental
resilience.
Despite
fungi's
remarkable
their
potential
often
overshadowed
compared
bacteria.
Arbuscular
mycorrhizal
fungi
(AMF)
form
mutualistic
symbiosis
many
terrestrial
plants,
enhancing
nutrition,
growth,
stress
resistance.
Other
filamentous,
yeasts,
polymorphic,
from
endophytic,
saprophytic,
offer
unique
attributes
such
ubiquity,
morphology,
endurance
harsh
environments,
positioning
them
exceptional
(PGPF).
Crops
frequently
face
abiotic
stresses
like
salinity,
drought,
high
UV
doses
extreme
temperatures.
Some
extremotolerant
strains
genera
Trichoderma
,
Penicillium
Fusarium
others,
have
been
studied
beneficial
interactions
plants.
Presented
examples
capabilities
alleviating
other
underscore
applications
In
this
context,
extremophilic
populating
natural
environments
are
muchless
investigated.
They
represent
both
new
challenges
opportunities.
As
global
evolves,
harnessing
mechanisms
fungal‐plant
interactions,
especially
paramount
developing
effective
safe
probiotics
using
biocontrollers
against
phytopathogens.
Thorough
assessments,
comprehensive
methodologies,
cautious
approach
leveraging
benefits
changing
landscape
agriculture,
ensuring
security
challenges.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(28)
Опубликована: Июль 2, 2024
Climate
warming
is
causing
widespread
deglaciation
and
pioneer
soil
formation
over
glacial
deposits.
Melting
glaciers
expose
rocky
terrain
till
sediment
that
relatively
low
in
biomass,
oligotrophic,
depleted
nutrients.
Following
initial
colonization
by
microorganisms,
sediments
accumulate
organic
carbon
nutrients
time.
However,
the
mechanisms
driving
nutrient
stabilization
during
early
pedogenesis
after
retreat
remain
unclear.
Here,
we
traced
amino
acid
uptake
microorganisms
recently
deglaciated
high-Arctic
soils
show
fungi
play
a
critical
role
of
assimilated
carbon.
Pioneer
basidiomycete
yeasts
were
among
predominant
taxa
responsible
for
assimilation,
which
associated
with
overall
high
use
efficiency
reduced
respiration.
In
intermediate-
late-stage
soils,
lichenized
ascomycete
prevalent,
but
bacteria
increasingly
dominated
substantially
decreased
fungal:bacterial
assimilation
ratios
increased
Together,
these
findings
demonstrate
are
important
drivers
ecosystems
currently
subject
to
from
global
warming.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Янв. 5, 2023
Abstract
Here,
we
present
the
results
related
to
a
new
unique
terrestrial
ecosystem
found
in
an
englacial
hypersaline
brine
Northern
Victoria
Land
(Antarctica).
Both
geochemistry
and
microbial
(prokaryotic
fungal)
diversity
revealed
unicity
with
respect
all
other
known
Antarctic
brines
suggested
probable
ancient
origin
mainly
due
progressive
cryoconcentration
of
seawater.
The
prokaryotic
community
presented
some
peculiarities,
such
as
occurrence
sequences
Patescibacteria
(which
can
thrive
nutrient-limited
water
environments)
or
few
Spirochaeta,
presence
archaeal
Methanomicrobia
closely
Methanoculleus,
methanogen
commonly
detected
marine
estuarine
environments.
high
percentage
(35%)
unassigned
fungal
taxa
degree
undiscovered
within
structured
(including
both
yeast
filamentous
life
forms)
reinforce
hypothesis
biological
uniqueness
habitat
under
study.
