Microbiome,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: May 13, 2024
Abstract
Background
During
the
bloom
season,
colonial
cyanobacterium
Microcystis
forms
complex
aggregates
which
include
a
diverse
microbiome
within
an
exopolymer
matrix.
Early
research
postulated
simple
mutualism
existing
with
bacteria
benefitting
from
rich
source
of
fixed
carbon
and
receiving
recycled
nutrients.
Researchers
have
since
hypothesized
that
represent
community
synergistic
interacting
species,
interactome,
each
unique
metabolic
capabilities
are
critical
to
growth,
maintenance,
demise
blooms.
Research
has
also
shown
aggregate-associated
taxonomically
different
free-living
in
surrounding
water.
Moreover,
identified
little
overlap
functional
potential
between
members
its
microbiome,
further
supporting
interactome
concept.
However,
we
still
lack
verification
general
interaction
know
about
taxa
pathways
nutrient
metabolite
cycling
aggregates.
Results
7-month
study
bacterial
communities
comparing
Lake
Taihu,
China,
found
aerobic
anoxygenic
phototrophic
(AAP)
were
significantly
more
abundant
than
samples,
suggesting
possible
role
for
AAP
overall
aggregate
function.
We
then
analyzed
gene
composition
102
high-quality
metagenome-assembled
genomes
(MAGs)
bloom-microbiome
10
lakes
spanning
four
continents,
compared
12
complete
revealed
possessed
complementary
biochemical
could
serve
C,
N,
S,
P
cycling.
Mapping
published
transcripts
blooms
onto
comprehensive
non-AAP
MAG
database
(226
MAGs)
indicated
observed
high
levels
expression
genes
involved
bacteria.
Conclusions
Our
results
provide
strong
corroboration
first
evidence
may
play
important
microbiomes.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(4), P. 1600 - 1612
Published: Jan. 16, 2023
Extracellular
polymeric
substances
(EPS)
are
crucial
for
cyanobacterial
proliferation;
however,
certain
queries,
including
how
EPS
affects
cellular
nutrient
processes
and
what
the
implications
management
in
lakes,
not
well
documented.
Here,
dynamics
of
EPS-associated
phosphorus
(EPS-P)
were
examined
both
a
shallow
eutrophic
lake
(Lake
Taihu,
China)
laboratory
experiments
with
respect
to
nitrogen
(N)
(P)
availability.
Results
indicated
that
40–65%
total
aggregate/particulate
P
presented
as
EPS-P
(mainly
labile
Fe/Al-P).
Phosphorus-starved
cyanobacteria
rapidly
replenished
their
pools
after
was
resupplied,
concentration
this
pool
stable
long
afterward,
although
environmental
decreased
dramatically.
A
low-N
treatment
enhanced
production
alongside
two-fold
accumulation
(particularly
P)
higher
than
control.
Such
patterns
occurred
where
contents
high
under
N
limitation.
enrichment
increased
content
cyanobacteria;
subsequently,
it
could
hold
longer
make
bloom
mitigation
harder.
The
findings
outline
new
insight
into
functions
process
aggregates
encourage
consideration
reductions
management.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 24, 2025
The
selection
of
suitable
raw
materials
as
adsorbents
is
a
key
factor
in
effectively
removing
phosphorus
from
water.
As
an
industrial
by-product,
soda
residue
exhibits
high
porosity
and
surface
area,
which
can
adsorb
pollutants.
Magnetic
lanthanum-iron
(La-Fe-CSR)
was
synthesized
using
the
co-precipitation
method,
its
characterization
mechanism
for
phosphate
were
thoroughly
investigated.
La-Fe-CSR
exhibited
good
adsorption
performance
under
acidic
conditions
(3
<
pH
7).
A
concentration
HCO3−
(100
mg/L)
reduced
by
8.3%
±
2.5%,
whereas
presence
other
coexisting
ions
had
smaller
impact.
controlled
chemisorption
reached
saturation
after
approximately
120
min.
significantly
higher
than
that
(43.65
3.39
mg/g),
reaching
74.87
2.46
mg/g.
Ligand
exchange
inner-sphere
complexation
constituted
primary
mechanisms
through
L-Fe-CSR
removed
phosphate.
After
5
consecutive
cycles,
maintained
removal
efficiency
74.5
1.6%.
It
demonstrated
total
real
domestic
sewage,
with
rate
94.9
0.5%.
These
research
findings
held
significant
promise
highly
effective
adsorbent
practical
applications.
Chinese Science Bulletin (Chinese Version),
Journal Year:
2022,
Volume and Issue:
67(30), P. 3503 - 3519
Published: May 23, 2022
Lakes
including
reservoirs
are
sensitive
to
global
environmental
change
and
human
activities
in
the
basin.
They
sentinels
regulators
of
regional
climate.
Meanwhile,
lakes
important
constituent
“landscape,
forest,
farmland,
lake,
grassland
sand”
life
community.
Remote
sensing
monitoring
showed
that
there
were
2670
(≥1
km2)
with
a
total
water
area
80662.4
km2,
5156
39697.1
km2
China
2020.
Water
Statistical
Yearbook
2021
number
storage
capacity
completed
increased
from
86822
98566,
416.9930.6
km3
1980
Therefore,
is
120359.5
but
only
accounting
for
1.25%
China’s
land
area.
Although
their
proportion
very
limited,
play
vital
role
ensuring
ecological
civilization
construction
promoting
economic
social
development
Unfortunately,
importance
service
values
seriously
underestimated
lack
real
quantification.
this
study
systematically
explores
quantifies
services
seven
different
perspectives.
First,
most
best
centralized
drinking
sources
(CDWSs)
contributing
40.6%
CDWSs
vs.
river
(30.8%)
groundwater
(28.6%),
act
as
backbone
safety
based
on
1093
340
prefecture-level
cities
55
county-level
(population
≥1
million).
Second,
have
regulation
functions
key
flood
control
drought
resistance.
Based
national
lake
survey
data,
amount
natural
close
150
km3.
joint
operation
Yangtze
River
Basin
indicated
106.6
about
69.5
47
reservoirs.
Third,
basins
an
food
security.
Of
nine
major
commercial
grain
production
areas,
located
Jianghuai
zone
northeast
plain
zone.
Fourth,
one
richest
biodiversity
ecosystems
earth.
Among
62
international
wetlands
China,
26
Lake
Poyang,
Dongting,
Qinghai
etc
41.9%.
Fifth,
fishery
plays
evidenced
by
Fishery
2021,
which
aquaculture
was
2186662
hectares,
42.7%
freshwater
30.8%
2019.
Sixth,
tourism
value
contribute
beautiful
business
cards
many
cities.
45
tourist
resorts
15
resorts,
third,
highlighting
rich
resources
lakes.
Seventh,
part
northern
security
barrier.
Hulunhu,
Wuliangsuhai,
Daihai,
Qinghaihu,
Bositenghu,
Aibihu
nodes
In
addition,
big
energy
power
generation,
agricultural
irrigation,
inland
navigation,
carbon
sequestration
pollution
reduction
climate
regulation.
Large
numbers
types
widely
distributed
throughout
exhibiting
obvious
differentiation.
Moreover,
facing
problems
reduce
providing
services.
Specifically,
eutrophication
cyanobacteria
bloom
not
been
fundamentally
alleviated,
threats
quality
sources.
The
aquatic
vegetation
degraded,
weaken
purification
biodiversity.
synergistic
effects
rapid
intense
cause
either
flooding,
shrinkage
or
salinization.
Warm
humid
results
expansion
Tibetan
Plateau,
significantly
increase
risk
glacial
outburst.
Aiming
above-mentioned
problems,
puts
forward
strategies
countermeasures
protection
management
lake-basin
system
studies,
scientific
resources,
early
warning
control,
restoration
project,
basin
industrial
structure
upgrading,
legislation,
will
promote
improvement
