Microbial
cooperation
pervades
ecological
scales,
from
single-species
populations
to
host-associated
microbiomes.
Understanding
the
mechanisms
promoting
stability
of
against
potential
threats
by
cheaters
is
a
major
question
that
only
recently
has
been
approached
experimentally.
Synthetic
biology
helped
uncover
some
these
basic
mechanisms,
which
were
extent
anticipated
theoretical
predictions.
Moreover,
synthetic
promising
lead
towards
engineering
novel
functions
and
enhanced
productivity
microbial
communities.
Here,
we
review
recent
progress
on
engineered
in
ecosystems.
We
focus
bottom-up
approaches
help
better
understand
at
population
level,
progressively
addressing
challenges
tackling
higher
degrees
complexity:
spatial
structure,
multispecies
communities,
envisage
as
key
ingredient
complex
The
field
of
microbiome
research
has
evolved
rapidly
over
the
past
few
decades
and
become
a
topic
great
scientific
public
interest.
As
result
this
rapid
growth
in
interest
covering
different
fields,
we
are
lacking
clear
commonly
agreed
definition
term
"microbiome."
Moreover,
consensus
on
best
practices
is
missing.
Recently,
panel
international
experts
discussed
current
gaps
frame
European-funded
MicrobiomeSupport
project.
meeting
brought
together
about
40
leaders
from
diverse
areas,
while
more
than
hundred
all
world
took
part
an
online
survey
accompanying
workshop.
This
article
excerpts
outcomes
workshop
corresponding
embedded
short
historical
introduction
future
outlook.
We
propose
based
compact,
clear,
comprehensive
description
provided
by
Whipps
et
al.
1988,
amended
with
set
novel
recommendations
considering
latest
technological
developments
findings.
clearly
separate
terms
microbiota
provide
discussion
composition
microbiota,
heterogeneity
dynamics
microbiomes
time
space,
stability
resilience
microbial
networks,
core
microbiomes,
functionally
relevant
keystone
species
as
well
co-evolutionary
principles
microbe-host
inter-species
interactions
within
microbiome.
These
broad
definitions
suggested
unifying
concepts
will
help
to
improve
standardization
studies
future,
could
be
starting
point
for
integrated
assessment
data
resulting
transfer
knowledge
basic
science
into
practice.
Furthermore,
standards
important
solving
new
challenges
associated
anthropogenic-driven
changes
planetary
health,
which
understanding
might
play
key
role.
Video
Abstract.
ACS Catalysis,
Год журнала:
2019,
Номер
9(5), С. 4089 - 4105
Опубликована: Апрель 8, 2019
Most
petroleum-derived
plastics,
as
exemplified
by
poly(ethylene
terephthalate)
(PET),
are
chemically
inactive
and
highly
resistant
to
microbial
attack.
The
accumulation
of
plastic
waste
results
in
environmental
pollution
threatens
ecosystems,
referred
the
"microplastic
issue".
Recently,
PET
hydrolytic
enzymes
(PHEs)
have
been
identified
we
reported
degradation
a
consortium
its
bacterial
resident,
Ideonella
sakaiensis.
Bioremediation
may
thus
provide
an
alternative
solution
recycling
waste.
mechanism
into
benign
monomers
hydrolase
mono(2-hydroxyethyl)
terephthalic
acid
(MHET)
from
I.
sakaiensis
has
elucidated;
nevertheless,
biodegradation
require
additional
development
for
commercialization
owing
low
catalytic
activity
these
enzymes.
Here,
introduce
degrading
microorganisms
involved,
along
with
evolution
PHEs
address
issues
that
hamper
enzymatic
degradation.
Potential
applications
also
discussed.
Artificial
selection
of
microbial
communities
that
perform
better
at
a
desired
process
has
seduced
scientists
for
over
decade,
but
the
method
not
been
systematically
optimised
nor
mechanisms
behind
its
success,
or
failure,
determined.
Microbial
are
highly
dynamic
and,
hence,
go
through
distinct
and
rapid
stages
community
succession,
consequent
effect
this
may
have
on
artificially
selected
is
unknown.
Using
chitin
as
case
study,
we
successfully
with
enhanced
chitinase
activities
found
continuous
optimisation
incubation
times
between
selective
transfers
was
utmost
importance.
The
analysis
composition
entire
revealed
fundamental
aspects
in
ecology:
when
were
optimal,
system
dominated
by
Gammaproteobacteria
(i.e.
main
bearers
enzymes
drivers
degradation),
before
being
succeeded
cheating,
cross-feeding
grazing
organisms.
microbiomes
to
enhance
widely
used,
though
success
selecting
appears
require
optimal
order
avoid
loss
trait
consequence
an
inevitable
succession.
A
comprehensive
understanding
dynamics
will
improve
future
studies.
Abstract
Background
Microbial-driven
decomposition
of
plant
residues
is
integral
to
carbon
sequestration
in
terrestrial
ecosystems.
Actinobacteria
,
one
the
most
widely
distributed
bacterial
phyla
soils,
are
known
for
their
ability
degrade
vitro.
However,
situ
importance
and
specific
activity
across
contrasting
ecological
environments
not
known.
Here,
we
conducted
three
field
experiments
with
buried
straw
combination
microcosm
13
C-straw
paddy
soils
under
different
soil
fertility
levels
reveal
ecophysiological
roles
residue
decomposition.
Results
While
accounting
only
4.6%
total
abundance,
encoded
16%
abundance
carbohydrate-active
enzymes
(CAZymes).
The
taxonomic
functional
compositions
were,
surprisingly,
relatively
stable
during
Slopes
linear
regression
models
between
chemical
composition
Actinobacterial
traits
were
flatter
than
those
other
groups
at
both
local
regional
scales
due
holding
genes
encoding
full
set
CAZymes,
nitrogenases,
antibiotic
synthetases.
Ecological
co-occurrence
network
C-based
metagenomic
analyses
indicated
that
degradation
increased
less
fertile
as
links
community
members
relative
abundances
decreasing
fertility.
Conclusions
This
study
provided
DNA-based
evidence
non-dominant
plays
a
key
role
possess
high
proportions
CAZymes
group
maintain
presence
terms
roles.
Their
was
more
pronounced
where
possession
interspecies
interactions
stood
out
more.
Our
work
provides
new
angles
understanding
global
cycling.
Abstract
Drylands
account
for
45%
of
the
Earth’s
land
area,
supporting
~40%
global
population.
These
regions
support
some
most
extreme
environments
on
Earth,
characterized
by
temperatures,
low
and
variable
rainfall,
soil
fertility.
In
these
biomes,
microorganisms
provide
vital
ecosystem
services
have
evolved
distinctive
adaptation
strategies
to
endure
flourish
in
extreme.
However,
dryland
microbiomes
they
are
under
threat
due
intensifying
desertification
climate
change.
this
review,
we
a
synthesis
our
current
understanding
microbial
life
drylands,
emphasizing
remarkable
diversity
adaptations
communities.
We
then
discuss
anthropogenic
threats,
including
influence
change
outline
knowledge
gaps.
Finally,
propose
research
priorities
address
those
gaps
safeguard
sustainability
fragile
biomes.
Microbial Biotechnology,
Год журнала:
2018,
Номер
11(5), С. 806 - 818
Опубликована: Июль 5, 2018
Microbes
are
ubiquitously
distributed,
and
they
also
present
in
algae
production
systems.
The
algal
microbiome
is
a
pivotal
part
of
the
alga
holobiont
has
key
role
modulating
populations
nature.
However,
there
lack
knowledge
on
bacteria
artificial
systems
ranging
from
laboratory
flasks
to
industrial
ponds.
Coexisting
microorganisms,
predominantly
bacteria,
often
regarded
as
contaminants
research,
but
recent
studies
manifested
that
many
symbionts
not
only
promote
growth
offer
advantages
downstream
processing.
Because
high
expectations
for
microalgae
bio-based
economy,
better
understanding
benefits
risks
algal-microbial
associations
important
industry.
Reducing
cost
may
be
through
applying
specific
enhance
at
large
scale
well
preventing
broad
spectrum
pathogens.
In
this
review,
we
highlight
latest
algae-microbial
interactions
their
underlying
mechanisms,
discuss
large-scale
algal-bacterial
cocultivation
extend
such
range
biotechnological
applications.
Frontiers in Microbiology,
Год журнала:
2018,
Номер
9
Опубликована: Июнь 1, 2018
For
a
long
time,
it
was
considered
that
interactions
between
microbes
are
only
inhibitory
in
nature.
However,
latest
developments
research
have
demonstrated
within
our
environment,
several
classes
of
exist
which
produce
different
products
upon
interaction
and
thus
embrace
wider
scope
useful
potentially
valuable
aspects
beyond
simple
antibiosis.
Therefore,
the
current
review
explores
types
microbial
describes
role
various
physical,
chemical,
biological,
genetic
factors
regulating
such
interactions.
It
further
explains
mechanism
action
biofilm
formation
secondary
metabolites
bacteria-fungi
interaction.
Special
emphasis
focus
is
placed
on
important
medicine,
food
industry,
agriculture,
environment.
In
short,
this
reveals
recent
contributions
for
benefit
mankind.