PeerJ,
Journal Year:
2022,
Volume and Issue:
10, P. e14314 - e14314
Published: Nov. 9, 2022
Although
the
effects
of
herbivore
camping
on
soil
physicochemical
properties
have
been
studied,
whether
alter
microbial
communities
(
e.g.
,
composition,
functions,
taxonomic
and
functional
diversities,
network)
remain
unknown,
especially
below
surface.
Here,
using
paired
subsoil
samples
from
half
month-camping
non-camping,
we
showed
for
first
time
that
significantly
changed
relative
abundance
21
bacterial
phylotypes
five
fungal
phylotypes.
Specifically,
observed
significant
increases
in
putative
chitinase
terpenes
vanillin-decomposition
genes,
nitrite
reduction
function
(nirB,
nasA),
decreases
carbon
fixation
genes
(ackA,
PGK,
Pak),
starch-decomposition
gene
(dexB),
coding
nitrogenase
(anfG),
tetracycline
resistance
(tetB)
communities,
animal
endosymbiont
litter
saprotroph
endophyte
communities.
However,
did
not
impact
diversity.
The
niche
restriction
was
main
driving
force
community
assembly.
Compared
to
no
camping,
increased
stability
networks
but
decreased
networks.
Camping
exerted
a
positive
effect
network
by
compressing
width
reduced
change
reducing
overlap.
Our
results
suggest
restructures
function,
network,
provides
novel
insight
into
grassland.
Applied Sciences,
Journal Year:
2022,
Volume and Issue:
12(3), P. 1198 - 1198
Published: Jan. 24, 2022
The
present
paper
reviews
the
most
recent
advances
regarding
effects
of
chemical
and
organic
fertilizers
on
soil
microbial
communities.
Based
results
from
articles
considered,
some
details
are
presented
how
use
various
types
affects
composition
activity
Soil
microbes
have
different
responses
to
fertilization
based
differences
in
total
carbon
(C),
nitrogen
(N)
phosphorus
(P)
contents
soil,
along
with
moisture
presence
plant
species.
These
show
that
changes
abundance
populations
stimulates
their
growth
thanks
nutrient
supply
added.
Overall,
however,
data
revealed
no
significant
influence
richness
diversity
bacteria
fungi.
Instead,
individual
bacterial
or
fungal
species
was
sensitive
mainly
attributed
properties
induced
by
fertilization.
Among
negative
fertilization,
decrease
enzymatic
has
been
highlighted
several
papers,
especially
soils
received
largest
amounts
together
losses
matter.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 8, 2022
As
a
functional
probiotic,
Bacillus
subtilis
can
promote
crop
growth
and
improve
nutrient
utilization
by
various
mechanisms,
so
it
has
been
made
into
bioorganic
fertilizer
as
replacement
for
chemical
fertilizer.
However,
the
effects
of
B.
application
on
yield
quality
commercial
crops
Brassica
chinensis
L.,
soil
physicochemical
properties
microflora
have
not
clarified.
In
this
study,
pot
experiments
were
conducted
using
L.
plants
with
four
fertilization
treatments:
control
without
(CK),
(CF),
organic
(OF),
containing
(BF).
After
30
days
experiment,
results
showed
that
BF
efficiently
improved
plant
height
biomass
(1.20-
1.93-fold,
respectively);
well
significantly
increasing
available
potassium
pH
value.
Using
high-throughput
sequencing,
we
examined
bacterial
fungal
communities
in
soil,
found
their
diversity
was
remarkablely
reduced
treatment
compared
to
CK
group.
A
principal
coordinate
analysis
also
clear
separation
groups.
fertilizer,
some
beneficial
bacteria
(such
Ammoniphilus
)
fungi
(
Trichoderma
Mortierella
enriched.
network
indicated
dominant
microbes
presence
stimulated
colonization
microbial
communities.
addition,
predictive
profiling
demonstrated
enhanced
function
mineral
element
metabolism
absorption
increased
relative
abundance
saprotrophs.
Overall,
effectively
changed
microflora,
value,
boosted
This
work
valuable
implications
promoting
safe
planting
facility
vegetables
sustainable
development
green
agriculture.
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2023,
Volume and Issue:
13
Published: Aug. 17, 2023
Objective
The
present
study
aims
to
investigate
the
effect
of
Helicobacter
pylori
(Hp)
infection
on
gastric
mucosal
microbiota
in
patients
with
chronic
gastritis.
Methods
Here
recruited
a
population
193
both
gastritis
and
positive
rapid
urease,
including
124
atrophic
(CAG)
69
non-atrophic
(nCAG).
Immunoblotting
was
used
detect
four
serum
Hp
antibodies
(UreA,
UreB,
VacA
CagA)
determine
types
virulent
Hp-I
avirulent
Hp-II
infections.
Gastric
profiled
by
16S
rRNA
gene
V3-V4
region,
R
software
relationship
between
microbial
characteristics
type
infection.
Results
In
stomach
Hp-positive
gastritis,
dominant
bacterial
genera
included
Ralstonia
(23.94%),
(20.28%),
Pseudonocardia
(9.99%),
Mesorhizobium
(9.21%),
Bradyrhizobium
(5.05%),
Labrys
(4.75%).
proportion
significantly
higher
CAG
(91.1%)
than
nCAG
(71.0%)
(
P
<
0.001).
richness
index
(observed
OTUs,
Chao)
lower
0.05).
Compared
infection,
decreased
Shannon
patients,
infected
had
abundances
several
bacteria
Aliidiomarina
,
Reyranella
Halomonas
Pseudomonas
Acidovorax
)
patients.
Meanwhile,
occupied
oral
Neisseria
Staphylococcus
Haemophilus
addition,
bile
reflux
promoted
colonization
Veillonella
Prevotella
7
Rothia
There
no
significant
symbiotic
non-
while
distinctly
linked
Pseudolabrys
Variovorax
Conclusions
Virulent
alters
microbiota,
reduces
diversity,
enhances
data
provides
new
evidence
for
treating
improving
microbiota.
Agronomy,
Journal Year:
2022,
Volume and Issue:
12(10), P. 2294 - 2294
Published: Sept. 24, 2022
The
agricultural
productivity
of
farmland
in
Northeast
China’s
Liaohe
Plain
is
restricted
by
the
salinity
and
sodicity
soils,
which
have
additionally
low
organic
matter
content.
In
order
to
improve
saline–sodic
amendments
are
frequently
applied.
Our
objective
was
clarify
how
different
affect
diversity
composition
soil
microbes,
as
well
these
factors
related
crop
yield.
2020–2021,
we
conducted
an
experiment
with
amendments.
treatments
included
application
residue
incorporation
(SR),
lignite
humic
acid
(LHA;
6
ton/ha),
or
cow
manure
(FM;
30
a
control
(CK).
results
show
that,
compared
CK,
content
SOM
treated
increased
5.3–7.4
g/kg;
available
potassium
(AK)
LHA
treatment
significantly
higher
than
that
FM
SR
32.17
42.79
mg/kg,
respectively;
phosphorus
(AP)
7.19
mg/kg.
pH
EC1:5
values
were
lower
those
CK
1.36
units
0.2
mS/cm,
respectively.
changes
environmental
conditions
also
affected
community
structure
microbial
richness
diversity.
abundance
Acidobacteria.
Further
FAPROTAX
(Functional
Annotation
Prokaryotic
Taxa)
analysis
showed
can
increase
microbes
involved
carbon
nitrogen
cycle
processes,
such
aerobic_ammonia_oxidation,
aerobic_chemoheterotrophy,
nitrification,
etc.,
increases
kernel
number
per
row
reduce
mineralization,
while
increasing
nutrients
This
study
provides
comprehensive
understanding
cultivated
land.
New Phytologist,
Journal Year:
2022,
Volume and Issue:
237(3), P. 974 - 986
Published: Oct. 26, 2022
Summary
Plant
growth
is
greatly
influenced
by
the
rhizosphere
microbiome,
which
has
been
traditionally
investigated
from
a
bottom‐up
perspective
assessing
how
resources
such
as
root
exudates
stimulate
microbial
and
drive
microbiome
assembly.
However,
importance
of
predation
top‐down
force
on
soil
remains
largely
underestimated.
Here,
we
planted
wheat
both
in
natural
sterilized
soils
inoculated
with
key
predators
–
bacterivorous
nematodes
to
assess
plant
performance
responds
specific
growth‐promoting
bacteria,
namely
phosphate‐solubilizing
bacteria.
We
found
that
enriched
certain
groups
(e.g.
Actinobacteria,
Chloroflexi,
Firmicutes)
strengthened
connectance
Actinobacteria
Proteobacteria).
These
changes
structure
were
associated
bacteria
facilitated
phosphorus
(P)
cycling,
leading
greater
P
uptake
biomass
soils.
enhancement
varied
between
nematode
species,
may
be
attributed
divergence
feeding
behavior,
weaker
grazing
intensity
supported
abundance
better
compared
intensity.
results
confirmed
ecological
for
ecosystem
functions
via
co‐occurrence
networks
suggested
strength
determines
contribution
biogeochemical
cycling
growth.
