Bioresource Technology,
Journal Year:
2021,
Volume and Issue:
347, P. 126347 - 126347
Published: Nov. 19, 2021
To
investigate
the
effects
of
lactic
acid
bacteria
inoculant
(LI)
and
abandoned
rhubarb
stalk
(RS)
on
anaerobic
fermentation
bacterial
community
alfalfa
Qinghai
Tibetan
Plateau,
was
harvested
ensiled
without
(control)
or
with
LI
RS
at
ambient
temperature
(5
∼
15℃)
for
90
days.
Addition
ensiling
increased
(P
<
0.05)
lactate,
acetate
propionate
contents,
decreased
final
pH
value
as
compared
control.
alpha
diversity
indices,
while
inherent
Lactococcus
lactis
and/or
Lactobacillus
sakei
dominated
fermentation.
In
particular,
addition
restricted
growth
yeasts
Lactobacillales
early
stage
ensiling,
but
continuously
stimulated
These
indicates
that
could
be
used
additive
to
facilitate
alfalfa.
PLoS ONE,
Journal Year:
2021,
Volume and Issue:
16(3), P. e0248485 - e0248485
Published: March 23, 2021
Prokaryotic
communities
play
key
roles
in
biogeochemical
transformation
and
cycling
of
nutrients
the
productive
mangrove
ecosystem.
In
this
study,
vertical
distribution
rhizosphere
bacteria
was
evaluated
by
profiling
bacterial
diversity
community
structure
rhizospheres
four
species
(
Sonneratia
alba
,
Rhizophora
mucronata
Ceriops
tagal
Avicennia
marina
)
from
Mida
Creek
Gazi
Bay,
Kenya,
using
DNA-metabarcoding.
Alpha
not
significantly
different
between
sites,
but,
higher
S
.
R
Bay
than
Creek.
Chemical
parameters
sediments
correlated
inversely
with
alpha
metrics.
The
differentiated
geographical
location,
sampling
depth,
however,
differences
sediment
chemical
explained
more
variation
structure.
Proteobacteria
(mainly
Deltaproteobacteria
Gammaproteobacteria
dominant
phylum
while
families
Desulfobacteraceae
Pirellulaceae
Syntrophobacteraceae
were
both
study
sites
across
all
species.
Constrained
redundancy
analysis
indicated
that
calcium,
potassium,
magnesium,
electrical
conductivity,
pH,
nitrogen,
sodium,
carbon
salinity
contributed
to
species–environment
relationship.
Predicted
functional
PICRUSt2
revealed
pathways
for
sulfur
metabolism
enriched
Overall,
results
indicate
composition
their
potential
function
are
influenced
a
fluctuating
influx
ecosystems
Biogeosciences,
Journal Year:
2021,
Volume and Issue:
18(7), P. 2259 - 2273
Published: April 6, 2021
Abstract.
Mangrove
forests
are
ecosystems
that
constitute
a
large
portion
of
the
world's
coastline
and
span
tidal
zones
below,
between,
above
waterline,
ecosystem
as
whole
is
defined
by
health
these
microhabitats.
However,
we
only
beginning
to
understand
tidal-zone
microbial
biodiversity
role
microbiomes
in
nutrient
cycling.
While
extensive
research
has
characterized
pristine
vs.
anthropogenically
impacted
mangroves,
have,
largely,
overlooked
differences
microhabitats
(sublittoral,
intertidal,
supralittoral).
Unfortunately,
small
number
studies
have
sought
characterize
mangrove
occurred
biomes,
making
interpretation
results
difficult.
Here,
prokaryotic
populations
their
involvement
cycling
across
within
Brazilian
Environmental
Protection
Area
Atlantic
Forest.
We
hypothesized
mangroves
distinct
microhabitats,
which
regions
present
spatial
variations
water
regime
other
environmental
factors,
such,
composed
different
communities
with
functional
profiles.
Samples
were
collected
triplicate
from
waterline.
Using
16S
ribosomal
RNA
(rRNA)
gene
amplicon
sequencing,
found
significantly
diverse
nutrient-cycling
functions,
well
specific
taxa
varying
contributions
abundances
between
zones.
Where
previous
intertidal
zone
high
diversity
be
functionally
enriched
nitrogen
cycling,
find
lowest
no
enrichment,
relative
The
main
bacterial
phyla
all
samples
Firmicutes,
Proteobacteria,
Chloroflexi
while
archaeal
Crenarchaeota
Thaumarchaeota.
Our
differ
slightly
where
Proteobacteria
sediments
Firmicutes
makes
up
percentage
communities.
Salinity
organic
matter
most
relevant
factors
influencing
Bacillaceae
was
abundant
family
at
each
showed
potential
drive
proportion
carbon,
nitrogen,
phosphorus,
sulfur.
findings
suggest
some
aspects
zonation
may
compromised
human
activity,
especially
zone.
Bioresource Technology,
Journal Year:
2021,
Volume and Issue:
347, P. 126347 - 126347
Published: Nov. 19, 2021
To
investigate
the
effects
of
lactic
acid
bacteria
inoculant
(LI)
and
abandoned
rhubarb
stalk
(RS)
on
anaerobic
fermentation
bacterial
community
alfalfa
Qinghai
Tibetan
Plateau,
was
harvested
ensiled
without
(control)
or
with
LI
RS
at
ambient
temperature
(5
∼
15℃)
for
90
days.
Addition
ensiling
increased
(P
<
0.05)
lactate,
acetate
propionate
contents,
decreased
final
pH
value
as
compared
control.
alpha
diversity
indices,
while
inherent
Lactococcus
lactis
and/or
Lactobacillus
sakei
dominated
fermentation.
In
particular,
addition
restricted
growth
yeasts
Lactobacillales
early
stage
ensiling,
but
continuously
stimulated
These
indicates
that
could
be
used
additive
to
facilitate
alfalfa.
