Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: Dec. 20, 2022
Denitrifying
anaerobic
methane-oxidizing
bacteria
(DAMO
bacteria)
plays
an
important
role
in
reducing
methane
emissions
from
river
ecosystems.
However,
the
assembly
process
of
their
communities
underlying
different
hydrologic
seasons
remains
unclarified.
In
this
study,
dynamics
DAMO
bacterial
networks
Taihu
Basin
were
investigated
by
amplicon
sequencing
across
wet,
normal,
and
dry
followed
multiple
statistical
analyses.
Phylogenetic
analysis
showed
that
Group
B
was
major
subgroup
significant
for
observed
(constrained
principal
coordinate
analysis,
p
=
0.001).
Furthermore,
neutral
community
model
normalized
stochasticity
ratio
applied
to
reveal
process.
Stochastic
deterministic
dominated
wet
season
normal
season,
respectively
similar
contributions
stochastic
processes
season.
Meanwhile,
abundant
(relative
abundance
>0.1%)
rare
<0.01%)
found
be
shaped
via
distinct
processes.
Deterministic
played
a
considerable
shaping
communities,
while
mainly
communities.
Results
study
revealed
provided
theoretical
basis
further
understanding
Frontiers in Protistology,
Journal Year:
2024,
Volume and Issue:
1
Published: Jan. 16, 2024
Harmful
algal
blooms
(HABs)
of
marine
microalgae
are
a
growing
concern
globally
and
many
studies
predict
that
their
occurrence,
range,
toxicity
may
increase
with
climate
change,
highlighting
the
need
for
responsive
adaptable
monitoring
techniques.
Monitoring
programmes
HABs
require
appropriate
sampling
techniques,
accurate
quantitative
identification
potentially
toxic
taxa,
ability
to
respond
novel
species
or
HAB
events.
These
challenges
have
made
it
difficult
move
past
traditional
but
research
tools
continuing
be
developed
bring
new
opportunities
both
fundamental
understanding
these
significant
organisms
within
changing
landscape.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 5, 2024
Beibu
Gulf
is
an
important
semi-enclosed
bay
located
in
the
northwestern
South
China
Sea,
and
famous
for
its
high
bio-productivity
rich
bio-diversity.
The
fast
development
along
Economical
Rim
has
brought
pressure
to
environment,
algal
blooms
occurred
frequently
gulf.
In
this
study,
surface
water
samples
micro-plankton
(20–200
μm)
were
collected
northern
coast.
Diversity
distribution
of
eukaryotic
planktonic
microalgae
analyzed
by
both
metabarcoding
microscopic
analyses.
Metabarcoding
revealed
much
higher
diversity
species
richness
than
morphological
observation,
especially
dinoflagellates.
detected
144
microalgal
genera
8
phyla,
while
microscopy
only
40
2
phyla.
two
methods
different
community
structures.
Dinoflagellates
dominated
based
on
due
their
copies
18
s
rRNA
gene,
diatoms
under
microscopy.
Altogether
48
bloom
and/or
toxic
34
19
Our
result
suggested
a
potential
risk
HABs
Gulf.
Microalgal
demonstrated
significantly
OTU/species
richness,
alpha
diversity,
abundance
those
samples,
although
more
HAB
taxa
observations
samples.
Furthermore,
nano-sized
taxa,
such
as
chlorophytes,
haptophytes,
chrysophyceans,
abundantly
This
study
provided
comprehensive
molecular
description
Life,
Journal Year:
2023,
Volume and Issue:
13(1), P. 192 - 192
Published: Jan. 9, 2023
For
the
frequent
occurrence
of
harmful
algal
blooms
(HABs)
in
Qinhuangdao
coastal
sea
(QCS)
Bohai
Sea
summer,
we
tested
hypothesis
that
high-biodiversity
HAB
species
exist
area,
and
a
series
censuses
were
conducted
QCS
summers
2014-2019.
Through
morphological
identification,
found
100
algae
representing
42
genera
3
phytoplankton
phyla
this
study,
among
which
Bacillariophyta
was
most
dominant
phylum.
We
also
population
density
Dinoflagellata
increased
from
2016
to
2019.
In
total,
59
annotated
including
39
Bacillariophyta,
18
2
Ochrophyta,
13
reported
for
first
time,
widely
distributed
summer.
Notably,
four
displayed
unique
temporal
spatial
distribution
characteristics,
while
their
ranges
densities
2014
The
distributions
five
environmental
factors
different
QCS,
temperature,
salinity,
dissolved
inorganic
nitrogen
might
be
key
influencing
conclusion,
study
provides
detailed
evaluation
diversity
interannual
variation
QCS.
existence
high
level
biodiversity
bloom
suggests
need
long-term
monitoring
order
further
prevent
potential
HABs.
