Predicting
how
species
diversity
changes
along
environmental
gradients
is
an
enduring
problem
in
ecology.
In
microbes,
current
theories
tend
to
invoke
energy
availability
and
enzyme
kinetics
as
the
main
drivers
of
temperature-richness
relationships.
Here,
we
derive
a
general
empirically-grounded
theory
that
can
explain
this
phenomenon
by
linking
microbial
richness
competitive
communities
variation
temperature-dependence
their
interaction
growth
rates.
Specifically,
shape
community
relationship
depends
on
rapidly
strength
effective
competition
between
pairs
with
temperature
relative
variance
Furthermore,
it
predicts
thermal
specialist-generalist
tradeoff
rates
alters
coexistence
shifting
balance,
causing
peak
at
relatively
higher
temperatures.
Finally,
show
observed
patterns
performance
curves
metabolic
traits
across
extant
bacterial
taxa
indeed
sufficient
generate
variety
community-level
responses
real
world.
Our
results
provide
new
mechanism
help
temperature-diversity
communities,
quantitative
framework
for
interlinking
physiology
diversity.
Environmental Science and Ecotechnology,
Journal Year:
2024,
Volume and Issue:
21, P. 100440 - 100440
Published: June 13, 2024
Anaerobic
digestion
(AD)
plays
a
significant
role
in
renewable
energy
recovery.
Upgrading
AD
from
thermophilic
(50–57
°C)
to
mesophilic
(30–38
conditions
enhance
process
stability
and
reduce
input
remains
challenging
due
the
high
sensitivity
of
microbiomes
temperature
fluctuations.
Here
we
compare
effects
two
decreasing-temperature
modes
55
35
°C
on
cell
viability,
microbial
dynamics,
interspecies
interactions.
A
sharp
transition
(ST)
is
one-step
by
20
d−1,
while
mild
(MT)
stepwise
1
d−1.
We
find
greater
decrease
methane
production
with
ST
(88.8%)
compared
MT
(38.9%)
during
period.
mode
overproduced
reactive
oxygen
species
1.6-fold,
increased
membrane
permeability
2.2-fold,
downregulated
metabolism
25.1%,
leading
apoptosis
anaerobes
1.9-fold
release
intracellular
substances
2.9-fold,
further
constraining
methanogenesis.
The
higher
(1.6
vs.
1.1
copies
per
gyrA)
metabolic
activity
acetate-dependent
methanogenesis
implied
more
efficient
steady
mesophilic,
MT-mediated
system.
Metagenomic
binning
network
analyses
indicated
that
induced
dysbiosis
keystone
greatly
enhanced
functional
redundancy,
causing
loss
syntrophic
interactions
redundant
pathways.
In
contrast,
interconnections
(average
degrees
44.9
22.1)
at
state
suggested
could
better
maintain
necessary
system
functionality
through
syntrophy
or
specialized
Adopting
transform
digesters
into
feasible
potentially
optimization
broader
application
practical
anaerobic
engineering.
Trends in Microbiology,
Journal Year:
2023,
Volume and Issue:
32(1), P. 68 - 78
Published: July 25, 2023
Microbes
are
key
biodiversity
components
of
all
ecosystems
and
control
vital
ecosystem
functions.
Although
we
have
just
begun
to
unravel
the
scales
factors
that
regulate
microbial
communities,
their
role
in
mediating
stability
response
disturbances
remains
underexplored.
Here,
review
evidence
how,
when,
where
microbes
or
drive
disturbance
feedbacks.
Negative
feedbacks
dampen
impacts
disturbance,
which
maintain
stability,
whereas
positive
instead
erode
by
amplifying
disturbance.
Here
describe
processes
underlying
responses
using
a
hierarchy
functional
traits,
exemplify
how
these
may
biogeochemical
We
suggest
feedback
potential
traits
at
different
hierarchical
levels
is
contingent
on
complexity
heterogeneity
environment.
Microbial
functioning
intrinsically
linked
resistance
resilience
ecosystems.
impact
stability.
Functional
from
delineated
genotypes
community-wide
mediate
intensity
direction
Feedbacks
can
be
(amplifying)
negative
(dampening)
emerge
altered
cycling
related
responses.
Generalizable
frameworks
for
adapt
time
space
needed
increase
understanding
predictability
temporal
Journal of Applied Microbiology,
Journal Year:
2024,
Volume and Issue:
135(7)
Published: June 27, 2024
Abstract
Microbiomes,
the
complex
networks
of
micro-organisms
and
molecules
through
which
they
interact,
play
a
crucial
role
in
health
ecology.
Over
at
least
past
two
decades,
engineering
biology
has
made
significant
progress,
impacting
bio-based
industry,
health,
environmental
sectors;
but
only
recently
begun
to
explore
microbial
ecosystems.
The
creation
synthetic
communities
presents
opportunities
help
us
understand
dynamics
wild
ecosystems,
learn
how
manipulate
interact
with
existing
microbiomes
for
therapeutic
other
purposes,
create
entirely
new
capable
undertaking
tasks
industrial
biology.
Here,
we
describe
ecosystems
can
be
constructed
controlled,
focusing
on
available
methods
interaction
mechanisms
facilitate
regulation
community
composition
output.
While
experimental
decisions
are
dictated
by
intended
applications,
vast
number
tools
suggests
great
opportunity
researchers
develop
diverse
array
novel
