The ISME Journal,
Journal Year:
2022,
Volume and Issue:
16(5), P. 1442 - 1452
Published: Jan. 22, 2022
Abstract
Species
loss
within
a
microbial
community
can
increase
resource
availability
and
spur
adaptive
evolution.
Environmental
shifts
that
cause
species
or
fluctuations
in
composition
are
expected
to
become
more
common,
so
it
is
important
understand
the
evolutionary
forces
shape
stability
function
of
emergent
community.
Here
we
study
experimental
cultures
simple,
ecologically
stable
Saccharomyces
cerevisiae
Lactobacillus
plantarum,
order
how
presence
absence
impacts
coexistence
over
timescales.
We
found
evolution
coculture
led
drastically
altered
outcomes
for
L.
but
not
S.
cerevisiae.
Both
monoculture-
co-culture-evolved
plantarum
evolved
dozens
mutations
925
generations
evolution,
only
had
isolation
from
lost
capacity
coexist
with
find
ecological
corresponds
fitness
differences
between
monoculture-evolved
genetic
changes
repeatedly
evolve
across
replicate
populations
plantarum.
This
work
shows
coevolution
prevent
destabilising
individual
species,
thereby
preserving
diversity
stability,
despite
rapid
adaptation.
Chinese Journal of Mechanical Engineering,
Journal Year:
2022,
Volume and Issue:
35(1)
Published: Jan. 9, 2022
Abstract
The
application
of
cutting
fluid
in
the
field
engineering
manufacturing
has
a
history
hundreds
years,
and
it
plays
vital
role
processing
efficiency
surface
quality
parts.
Among
them,
water-based
accounts
for
more
than
90%
consumption
fluid.
However,
long-term
recycling
could
easily
cause
deterioration,
breeding
bacteria
to
fail,
increase
costs,
even
endanger
health
workers.
Traditional
bactericides
improve
biological
stability
fluids,
but
they
are
toxic
environment
do
not
conform
development
trend
low-carbon
manufacturing.
Low-carbon
is
inevitable
direction
sustainable
use
nanomaterials,
transition
metal
complexes,
physical
sterilization
methods
on
bacterial
cell
membrane
genetic
material
effectively
solve
this
problem.
In
article,
mechanism
action
additives
microbial
metabolites
was
first
analyzed.
Then,
denaturation
traditional
target
protein
effect
were
summarized.
Further,
nanomaterials
disrupting
potential
discussed.
effects
lipophilicity
atomic
number
complexes
penetration
also
summarized,
ultraviolet
rays
ozone
destruction
reviewed.
other
words,
bactericidal
performance,
hazard,
degradability,
economics
various
comprehensively
evaluated,
improving
proposed.
The ISME Journal,
Journal Year:
2021,
Volume and Issue:
16(2), P. 331 - 338
Published: Aug. 21, 2021
Abstract
Microbiome
engineering
is
increasingly
being
employed
as
a
solution
to
challenges
in
health,
agriculture,
and
climate.
Often
manipulation
involves
inoculation
of
new
microbes
designed
improve
function
into
preexisting
microbial
community.
Despite,
increased
efforts
microbiome
inoculants
frequently
fail
establish
and/or
confer
long-lasting
modifications
on
ecosystem
function.
We
posit
that
one
underlying
cause
these
shortfalls
the
failure
consider
barriers
organism
establishment.
This
key
challenge
focus
macroecology
research,
specifically
invasion
biology
restoration
ecology.
adopt
framework
from
summarizes
establishment
three
categories:
(1)
propagule
pressure,
(2)
environmental
filtering,
(3)
biotic
interactions
factors.
suggest
most
neglected
factor
we
recommend
number
actions
accelerate
solutions.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 5, 2023
Abstract
Mutualism
is
commonly
observed
in
nature
but
not
often
reported
for
bacterial
communities.
Although
abiotic
stress
thought
to
promote
microbial
mutualism,
there
a
paucity
of
research
this
area.
Here,
we
monitor
communities
quasi-natural
composting
system,
where
temperature
variation
(20
°C–70
°C)
the
main
stress.
Genomic
analyses
and
culturing
experiments
provide
evidence
that
selects
slow-growing
stress-tolerant
strains
(i.e.,
Thermobifida
fusca
Saccharomonospora
viridis
),
mutualistic
interactions
emerge
between
them
remaining
through
sharing
cobalamin.
Comparison
3000
pairings
reveals
mutualism
common
(~39.1%)
competition
rare
(~13.9%)
pairs
involving
T.
S.
.
Overall,
our
work
provides
insights
into
how
high
can
favour
reduce
at
both
community
species
levels.
Proceedings of the National Academy of Sciences,
Journal Year:
2019,
Volume and Issue:
116(32), P. 15760 - 15762
Published: July 18, 2019
Microbial
species
aren’t
often
found
alone,
but
rather
in
complex
communities
containing
dozens
to
hundreds
of
other
species.
These
affect
one
another
many
ways.
Species
can
harm
by
producing
antibiotics,
stabbing
and
injecting
toxins,
or
simply
consuming
resources
that
others
require
(1⇓–3).
Microbes
also
impact
positively.
They
can,
for
example,
degrade
antibiotics
detoxify
the
environment,
secrete
iron-scavenging
molecules
allow
take
up
iron,
excrete
metabolic
byproducts
consume
(4⇓–6).
The
ecology
evolution
these
interactions
are
becoming
more
well
characterized,
it’s
unclear
whether
certain
environmental
conditions
promote
form
interaction
over
another.
In
PNAS,
Piccardi
et
al.
(7)
demonstrate
stress
toxic
biocides
causes
between
4
microbial
become
positive.
The
gradient
hypothesis
(SGH)
provides
a
framework
predict
when
positive
negative
should
be
observed
(8).
SGH
states
facilitation
common
stressful
environments,
compared
with
benign
environments
where
competition
(Fig.
1
A
).
Since
it
was
proposed,
has
mainly
been
tested
plant
growing
(e.g.,
drought
stress)
assessing
changes
nature
magnitude
their
interactions.
Metaanalyses
have
had
mixed
support
(9,
10).
Some
authors
argued
predictive
power
limited
lack
specificity
about
which
forms
cause
pattern,
how
gradients
may
influence
combination
(11).
study
simple
community,
…
[↵][1]1To
whom
correspondence
addressed.
Email:
harcombe{at}umn.edu.
[1]:
#xref-corresp-1-1
Ecological
processes
underlying
bacterial
coexistence
in
the
gut
are
not
well
understood.
Here,
we
disentangled
effect
of
host
and
diet
on
four
closely
related
Lactobacillus
species
colonizing
honey
bee
gut.
We
serially
passaged
through
gnotobiotic
bees
liquid
cultures
presence
either
pollen
(bee
diet)
or
simple
sugars.
Although
engaged
negative
interactions,
they
were
able
to
stably
coexist,
both
vivo
vitro.
However,
was
only
possible
pollen,
sugars,
independent
environment.
Using
metatranscriptomics
metabolomics,
found
that
utilize
different
pollen-derived
carbohydrate
substrates
indicating
resource
partitioning
as
basis
coexistence.
Our
results
show
despite
longstanding
association,
interactions
can
be
recapitulated
vitro
providing
insights
about
when
combined
with
experiments.