Archaea
are
one
of
the
least-studied
members
gut-dwelling
autochthonous
microbiota.
Few
studies
have
reported
dominance
methanogens
in
archaeal
microbiome
(archaeome)
human
gut,
although
limited
information
regarding
diversity
and
abundance
other
phylotypes
is
available.We
surveyed
archaeome
faecal
samples
collected
from
897
East
Asian
subjects
living
South
Korea.
In
total,
42.47%
were
positive
for
colonisation;
these
subsequently
subjected
to
16S
rRNA
gene
deep
sequencing
real-time
quantitative
polymerase
chain
reaction-based
estimation.
The
mean
relative
was
10.24
±
4.58%
total
bacterial
abundance.
We
observed
extensive
colonisation
haloarchaea
(95.54%)
archaea-positive
samples,
with
9.63%
communities.
Haloarchaea
relatively
more
abundant
than
some
samples.
presence
also
verified
by
fluorescence
situ
hybridisation
analysis.
Owing
large
inter-individual
variations,
we
categorised
gut
into
four
enterotypes.The
study
demonstrated
that
indigenous,
responsive,
functional,
expanding
our
understanding
signature
individuals.
Video
Abstract.
International Journal of Molecular Sciences,
Год журнала:
2020,
Номер
21(8), С. 2668 - 2668
Опубликована: Апрель 11, 2020
The
human
microbiota
is
a
diverse
microbial
ecosystem
associated
with
many
beneficial
physiological
functions
as
well
numerous
disease
etiologies.
Dominated
by
bacteria,
the
also
includes
commensal
populations
of
fungi,
viruses,
archaea,
and
protists.
Unlike
bacterial
microbiota,
which
was
extensively
studied
in
past
two
decades,
these
non-bacterial
microorganisms,
their
functional
roles,
interaction
one
another
or
host
immune
system
have
not
been
widely
explored.
This
review
covers
recent
findings
on
communities
gastrointestinal
involvement
health
disease,
particular
focus
pathophysiology
inflammatory
bowel
disease.
Reviews in Aquaculture,
Год журнала:
2019,
Номер
12(2), С. 1101 - 1134
Опубликована: Авг. 13, 2019
Abstract
The
mucosal
surfaces
of
fish
represent
an
important
barrier
that
supports
and
regulates
a
diverse
array
microbial
assemblages
contributes
to
the
overall
health
fitness
host.
For
farmed
species,
knowledge
how
these
host–microbial
systems
adapt
respond
various
stressors
is
pivotal
for
managing
health,
nutrition
optimizing
productivity
in
aquaculture.
While
our
understanding
communities
factors
shape
them
now
suggest
balanced
microbiota
critical
healthy
functioning
fish,
mechanisms
behind
interactions
are
still
poorly
understood.
Much
existing
research
has
focused
on
characterizing
taxonomic
diversity
different
across
body
(e.g.
skin,
gills
gastrointestinal
tract),
response
changing
nutrition,
environmental
conditions.
However,
specific
functional
contributions
(or
members)
remain
elusive,
especially
or
diseased
fish.
Here,
we
review
current
their
interplay
likely
involvement
with
We
also
seek
address
identify
gaps
explore
future
prospects
improving
FEMS Microbiology Letters,
Год журнала:
2019,
Номер
366(2)
Опубликована: Янв. 1, 2019
Archaea—a
primary
domain
of
life
besides
Bacteria—have
for
a
long
time
been
regarded
as
peculiar
organisms
that
play
marginal
roles
in
biogeochemical
cycles.
However,
this
picture
changed
with
the
discovery
large
diversity
archaea
non-extreme
environments
enabled
by
use
cultivation-independent
methods.
These
approaches
have
allowed
reconstruction
genomes
uncultivated
microorganisms
and
revealed
are
diverse
broadly
distributed
biosphere
seemingly
include
putative
symbiotic
organisms,
most
which
belong
to
tentative
archaeal
superphylum
referred
DPANN.
This
group
encompasses
at
least
10
different
lineages
includes
extremely
small
cell
genome
sizes
limited
metabolic
capabilities.
Therefore,
many
members
DPANN
may
be
obligately
dependent
on
interactions
other
even
novel
parasites.
In
contribution,
we
review
current
knowledge
gene
repertoires
lifestyles
discuss
their
placement
tree
life,
is
basis
our
understanding
deep
microbial
roots
role
symbiosis
evolution
Earth.
Abstract
The
skin
is
the
exterior
interface
of
human
body
with
environment.
Despite
its
harsh
physical
landscape,
colonized
by
diverse
commensal
microbes.
In
this
review,
we
discuss
recent
insights
into
microbial
populations,
including
their
composition
and
role
in
health
disease
modulation
intrinsic
extrinsic
factors,
a
focus
on
pathobiological
basis
aging.
We
also
describe
most
tools
for
investigating
microbiota
microbe-skin
relationships
perspectives
regarding
challenges
microbiome
manipulation.
Nature Microbiology,
Год журнала:
2021,
Номер
6(3), С. 354 - 365
Опубликована: Янв. 25, 2021
Abstract
Candidate
phyla
radiation
(CPR)
bacteria
and
DPANN
archaea
are
unisolated,
small-celled
symbionts
that
often
detected
in
groundwater.
The
effects
of
groundwater
geochemistry
on
the
abundance,
distribution,
taxonomic
diversity
host
association
CPR
has
not
been
studied.
Here,
we
performed
genome-resolved
metagenomic
analysis
one
agricultural
seven
pristine
microbial
communities
recovered
746
genomes
total.
sites,
which
serve
as
local
sources
drinking
water,
contained
up
to
31%
4%
archaea.
We
observed
little
species-level
overlap
metagenome-assembled
(MAGs)
across
indicating
may
be
differentiated
according
physicochemical
conditions
populations.
Cryogenic
transmission
electron
microscopy
imaging
genomic
analyses
enabled
us
identify
lineages
reproducibly
attach
cells
showed
growth
seems
stimulated
by
attachment
host-cell
surfaces.
Our
reveals
site-specific
coexist
with
diverse
hosts
aquifers.
Given
organisms
have
identified
human
microbiomes
their
presence
is
correlated
diseases
such
periodontitis,
our
findings
relevant
considerations
water
quality
health.
Nature Microbiology,
Год журнала:
2021,
Номер
7(1), С. 48 - 61
Опубликована: Дек. 30, 2021
The
human
gut
microbiome
plays
an
important
role
in
health,
but
its
archaeal
diversity
remains
largely
unexplored.
In
the
present
study,
we
report
analysis
of
1,167
nonredundant
genomes
(608
high-quality
genomes)
recovered
from
gastrointestinal
tract,
sampled
across
24
countries
and
rural
urban
populations.
We
identified
previously
undescribed
taxa
including
3
genera,
15
species
52
strains.
Based
on
distinct
genomic
features,
justify
split
Methanobrevibacter
smithii
clade
into
two
separate
species,
with
one
represented
by
'Candidatus
intestini'.
Patterns
derived
28,581
protein
clusters
showed
significant
associations
sociodemographic
characteristics
such
as
age
groups
lifestyle.
additionally
show
that
archaea
are
characterized
specific
functional
adaptations
to
host
carry
a
complex
virome.
Our
work
expands
our
current
understanding
archaeome
provides
large
genome
catalogue
for
future
analyses
decipher
impact
physiology.
The
surface
of
marine
animals
is
covered
by
abundant
and
diversified
microbial
communities,
which
have
major
roles
for
the
health
their
host.
While
such
microbiomes
been
deeply
examined
in
invertebrates
as
corals
sponges,
living
on
vertebrates
received
less
attention.
Specifically,
diversity
these
microbiomes,
variability
among
species,
drivers
are
still
mostly
unknown,
especially
fish
species
coral
reefs
that
contribute
to
key
ecosystem
services
while
they
increasingly
affected
human
activities.
Here,
we
investigated
knowledge
gaps
analyzing
skin
microbiome
138
individuals
belonging
44
reef
same
area.
Prokaryotic
communities
fishes
highly
diverse,
with
average
more
than
600
OTUs
per
fish,
differ
from
planktonic
microbes.
Skin
varied
between
individual
interspecific
differences
were
slightly
coupled
phylogenetic
affiliation
host
its
ecological
traits.
These
results
highlight
biodiversity
greater
previously
appreciated,
since
high
macro-organisms
supports
a
community.
This
suggest
beyond
loss
reefs-associated
macroscopic
anthropic
activities
could
also
lead
unexplored
host-associated
diversity,
urgently
needs
be
assessed.
Microbiology and Molecular Biology Reviews,
Год журнала:
2019,
Номер
83(1)
Опубликована: Янв. 8, 2019
The
importance
of
the
microbiome
to
human
health
is
increasingly
recognized
and
has
become
a
major
focus
recent
research.
However,
much
work
focused
on
few
aspects,
particularly
bacterial
component
microbiome,
most
frequently
in
gastrointestinal
tract.