Molecular Ecology,
Год журнала:
2020,
Номер
29(5), С. 886 - 898
Опубликована: Фев. 3, 2020
Microbial
communities
associated
with
the
gut
and
skin
are
strongly
influenced
by
environmental
factors,
can
rapidly
adapt
to
change.
Historical
processes
may
also
affect
microbiome.
In
particular,
variation
in
microbial
colonisation
early
life
has
potential
induce
lasting
effects
on
assemblages.
However,
little
is
known
about
relative
extent
of
microbiome
plasticity
or
importance
historical
following
change,
especially
for
nonmammalian
species.
To
investigate
this
we
performed
a
reciprocal
translocation
Atlantic
salmon
between
artificial
semi-natural
conditions.
Wild
hatchery-reared
fry
were
transferred
three
common
garden
experimental
environments
6
weeks:
standard
hatchery
conditions,
conditions
an
enriched
diet,
simulated
wild
We
characterized
faecal
individual
fish
before
after
translocation,
using
BACI
(before-after-control-impact)
design.
found
evidence
extensive
both
skin,
greatest
changes
alpha
beta
diversity
largest
environment
diet.
Microbiome
richness
entirely
determined
environment,
no
detectable
origin,
there
was
near-complete
turnover
structure.
identified,
first
time
fish,
reflecting
early-life
experience,
including
ASVs
characteristic
captive
rearing.
These
results
have
important
implications
host
adaptation
local
selective
pressures,
highlight
how
experienced
during
long-term
influence
and,
potentially,
health.
Microbial
roles
in
cancer
formation,
diagnosis,
prognosis,
and
treatment
have
been
disputed
for
centuries.
Recent
studies
provocatively
claimed
that
bacteria,
viruses,
and/or
fungi
are
pervasive
among
cancers,
key
actors
immunotherapy,
engineerable
to
treat
metastases.
Despite
these
findings,
the
number
of
microbes
known
directly
cause
carcinogenesis
remains
small.
Critically
evaluating
building
frameworks
such
evidence
light
modern
biology
is
an
important
task.
In
this
Review,
we
delineate
between
causal
complicit
trace
common
themes
their
influence
through
host's
immune
system,
herein
defined
as
immuno-oncology-microbiome
axis.
We
further
review
intratumoral
approaches
manipulate
gut
or
tumor
microbiome
while
projecting
next
phase
experimental
discovery.
Pharmacological Reviews,
Год журнала:
2019,
Номер
71(2), С. 198 - 224
Опубликована: Март 19, 2019
The
microbiome
plays
a
key
role
in
health
and
disease,
there
has
been
considerable
interest
therapeutic
targeting
of
the
as
well
mining
this
rich
resource
drug
discovery
efforts.
However,
growing
body
evidence
suggests
that
gut
microbiota
can
itself
influence
actions
range
xenobiotics,
both
beneficial
potentially
harmful
ways.
Traditionally,
clinical
studies
evaluating
pharmacokinetics
new
drugs
have
mostly
ignored
important
direct
indirect
effects
on
metabolism
efficacy.
Despite
some
observations
from
xenobiotic
general,
is
only
an
incomplete
understanding
scope
specifically
absorption,
how
might
systemic
concentrations
parent
compounds
toxic
metabolites.
significance
microbial
xenobiotics
impact
host
hepatic
enzyme
systems
nonetheless
gaining
traction
presents
further
challenge
efforts,
with
implications
for
improving
treatment
outcomes
or
counteracting
adverse
reactions.
Microbial
factors
must
now
be
considered
when
determining
evolving
dynamic
could
regard.
In
review,
we
aim
to
integrate
contribution
disease
focusing
interventions,
pharmacological
action,
chemical
biotransformations
collectively
will
future
practice
precision
medicine.
Journal of Biomedical Science,
Год журнала:
2019,
Номер
26(1)
Опубликована: Янв. 3, 2019
Gut
microbiota
interacting
with
an
intact
mucosal
surface
are
key
to
the
maintenance
of
homeostasis
and
health.
This
review
discusses
current
state
knowledge
biofilm
mode
growth
these
communities,
how
in
turn
their
disruptions
may
cause
disease.
Beyond
alterations
relative
microbial
abundance
diversity,
aim
is
focus
on
structure
function,
dispersion
commensal
bacteria,
mechanisms
whereby
dispersed
commensals
become
pathobionts.
Recent
findings
have
linked
iron
acquisition
expression
virulence
factors
gut
that
Causal
studies
emerging,
common
enteropathogen-induced
disruptions,
as
well
those
reported
for
Inflammatory
Bowel
Disease
colo-rectal
cancer
used
examples
illustrate
great
translational
potential
such
research.
These
new
observations
shed
light
our
attempts
develop
therapies
able
protect
restore
many
disease
conditions
been
dysbiosis.
Phylosymbiosis
is
a
pattern
defined
as
the
tendency
of
closely
related
species
to
host
microbiota
whose
compositions
resemble
each
other
more
than
drawn
at
random
from
same
tree.
Understanding
mechanisms
behind
phylosymbiosis
important
because
it
can
shed
light
on
rules
governing
assembly
host-associated
microbiotas
and,
potentially,
their
coevolutionary
dynamics
with
hosts.
For
example,
result
coevolution,
or
be
generated
by
simple
ecological
filtering
processes?
Beyond
qualitative
theoretical
models,
quantitative
expectations
provide
new
insights.
deviations
baseline
may
used
test
more-complex
hypotheses
(e.g.,
coevolution).
Here,
we
use
simulations
evidence
that
host-related
readily
generate
phylosymbiosis,
and
contrast
these
predictions
real-world
data.
We
find
while
widespread
in
nature,
patterns
are
compatible
model
majority
taxa.
Internal
compartments
hosts,
such
animal
gut,
often
display
stronger
expected
purely
process,
suggesting
also
involved.
Frontiers in Microbiology,
Год журнала:
2020,
Номер
11
Опубликована: Фев. 19, 2020
Microbiome
research
has
increased
dramatically
in
recent
years,
driven
by
advances
technology
and
significant
reductions
the
cost
of
analysis.
Such
unlocked
a
wealth
data,
which
yielded
tremendous
insight
into
nature
microbial
communities,
including
their
interactions
effects,
both
within
host
an
external
environment
as
part
ecological
community.
Understanding
role
microbiota,
dynamic
with
hosts
other
microbes,
can
enable
engineering
new
diagnostic
techniques
interventional
strategies
that
be
used
diverse
spectrum
fields,
spanning
from
ecology
agriculture
to
medicine
forensics
exobiology.
From
June
19-23
2017,
NIH
NSF
jointly
held
Innovation
Lab
on
Quantitative
Approaches
Biomedical
Data
Science
Challenges
our
Microbiome.
This
review
is
inspired
some
topics
arose
priority
areas
this
unique,
interactive
workshop.
The
goal
summarize
Lab's
findings
introducing
reader
emerging
challenges,
exciting
potential,
current
directions
microbiome
research.
broken
five
key
topic
areas:
(1)
between
microbes
human
body,
(2)
evolution
played
microbe-microbe
interactions,
(3)
analytical
mathematical
methods
currently
research,
(4)
leveraging
knowledge
composition
develop
solutions,
(5)
approaches
may
enabled
selectively
altering
composition.
As
such,
seeks
arm
broad
understanding
priorities
challenges
today
provide
inspiration
for
future
investigation
multi-disciplinary
collaboration.
Nutrients,
Год журнала:
2019,
Номер
11(5), С. 1026 - 1026
Опубликована: Май 7, 2019
The
intestinal
microbiota
is
well
known
to
have
multiple
benefits
on
human
health,
including
cancer
prevention
and
treatment.
effects
are
partially
mediated
by
microbiota-produced
short
chain
fatty
acids
(SCFAs)
such
as
butyrate,
propionate
acetate.
anti-cancer
effect
of
butyrate
has
been
demonstrated
in
cell
cultures
animal
models
cancer.
Butyrate,
a
signaling
molecule,
pathways.
most
studied
its
inhibition
histone
deacetylase
(HDAC),
which
leads
alterations
several
important
oncogenic
pathways
JAK2/STAT3,
VEGF.
Butyrate
can
interfere
with
both
mitochondrial
apoptotic
extrinsic
In
addition,
also
reduces
gut
inflammation
promoting
T-regulatory
differentiation
decreased
activities
the
NF-κB
STAT3
Through
PKC
Wnt
pathways,
increases
differentiation.
Furthermore,
regulates
molecules
through
microRNAs
methylation.
Therefore,
potential
be
incorporated
into
treatment
regimens.
this
review
we
summarize
recent
progress
research
discuss
future
development
an
agent
emphasis
low
bioavailability
problem,
precludes
clinical
application.
disadvantage
for
medicinal
applications
may
overcome
approaches
nano-delivery,
analogue
combination
use
other
agents
or
phytochemicals.