Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
292(2038)
Published: Jan. 1, 2025
Life
has
existed
on
Earth
for
most
of
the
planet’s
history,
yet
major
gaps
and
unresolved
questions
remain
about
how
it
first
arose
persisted.
Early
posed
numerous
challenges
life,
including
harsh
fluctuating
environments.
Today,
many
organisms
cope
with
such
conditions
by
entering
a
reversible
state
reduced
metabolic
activity,
phenomenon
known
as
dormancy.
This
process
protects
inactive
individuals
minimizes
risk
extinction
preserving
information
that
stabilizes
life-system
dynamics.
Here,
we
develop
framework
understanding
dormancy
early
Earth,
beginning
primer
theory
its
core
criteria.
We
hypothesize
dormancy-like
mechanisms
acting
chemical
precursors
in
prebiotic
world
may
have
facilitated
origin
life.
Drawing
evidence
from
phylogenetic
reconstructions
fossil
record,
demonstrate
is
prevalent
across
tree
life
throughout
deep
time.
These
observations
lead
us
to
consider
might
shaped
nascent
living
systems
buffering
stochastic
processes
small
populations,
protecting
against
large-scale
planetary
disturbances,
aiding
dispersal
patchy
landscapes
facilitating
adaptive
radiations.
Given
fundamental
easily
evolved
property
also
likely
be
feature
elsewhere
universe.
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
292(2039)
Published: Jan. 1, 2025
The
factors
contributing
to
the
persistence
and
stability
of
life
are
fundamental
for
understanding
complex
living
systems.
Organisms
commonly
challenged
by
harsh
fluctuating
environments
that
suboptimal
growth
reproduction,
which
can
lead
extinction.
Many
species
contend
with
unfavourable
noisy
conditions
entering
a
reversible
state
reduced
metabolic
activity,
phenomenon
known
as
dormancy.
Here,
we
develop
Spore
Life,
model
investigate
effects
dormancy
on
population
dynamics.
It
is
based
Conway’s
Game
Life
(GoL),
deterministic
cellular
automaton
where
simple
rules
govern
an
individual
its
neighbours.
For
individuals
would
otherwise
die,
provides
refuge
in
form
inactive
state.
These
dormant
(spores)
resuscitate
when
local
improve.
includes
parameter
α∈[0,1
form="postfix"
stretchy="false">]
controls
survival
probability
spores,
interpolating
between
GoL
(
=0
)
1
),
while
capturing
stochastic
dynamics
intermediate
regime
<
).
In
addition
identifying
emergence
unique
periodic
configurations,
find
spore
increases
average
number
active
buffers
populations
from
Contrary
expectations,
stabilization
not
result
large
long-lived
seed
bank.
Instead,
demographic
patterns
only
require
small
resuscitation
events.
Our
approach
yields
novel
insight
into
what
minimally
required
origins
behaviours
associated
banks
they
generate.
BioScience,
Journal Year:
2020,
Volume and Issue:
70(5), P. 427 - 438
Published: March 6, 2020
Rapid
shifts
in
biotic
communities
due
to
environmental
variability
challenge
the
detection
of
anthropogenic
impacts
by
current
biomonitoring
programs.
Metacommunity
ecology
has
potential
inform
such
programs,
because
it
combines
dispersal
processes
with
niche-based
approaches
and
recognizes
community
composition.
Using
intermittent
rivers-prevalent
highly
dynamic
ecosystems
that
sometimes
dry-we
develop
a
conceptual
model
illustrate
how
limitation
flow
intermittence
influence
performance
biological
indices.
We
produce
methodological
framework
integrating
physical-
organismal-based
measurements
into
predictive
modeling,
development
ecological
quality
assessments.
Such
metacommunity-based
could
be
extended
other
are
required
underpin
our
capacity
monitor
protect
threatened
under
future
changes.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Aug. 10, 2021
Abstract
Across
the
tree
of
life,
populations
have
evolved
capacity
to
contend
with
suboptimal
conditions
by
engaging
in
dormancy,
whereby
individuals
enter
a
reversible
state
reduced
metabolic
activity.
The
resulting
seed
banks
are
complex,
storing
information
and
imparting
memory
that
gives
rise
multi-scale
structures
networks
spanning
collections
cells
entire
ecosystems.
We
outline
fundamental
attributes
emergent
phenomena
associated
dormancy
banks,
vision
for
unifying
mathematically
based
framework
can
address
problems
life
sciences,
ranging
from
global
change
cancer
biology.
Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: April 6, 2022
Dispersal
is
simply
defined
as
the
movement
of
species
across
space
and
time.
Despite
this
terse
definition,
dispersal
an
essential
process
with
direct
ecological
evolutionary
implications
that
modulate
community
assembly
turnover.
Seminal
studies
have
shown
environmental
context
(e.g.,
local
edaphic
properties,
resident
community),
timing
frequency,
traits,
collectively
account
for
patterns
distribution
resulting
in
either
their
persistence
or
unsuccessful
establishment
within
communities.
key
importance
process,
relatively
little
known
about
how
operates
microbiomes
divergent
systems
types.
Here,
we
discuss
parallels
macro-
micro-organismal
ecology
a
focus
on
idiosyncrasies
may
lead
to
novel
mechanisms
by
which
affects
structure
function
microbiomes.
Within
implications,
revise
short-
long-distance
microbial
through
active
passive
mechanisms,
coalescence,
these
align
recent
advances
metacommunity
theory.
Conversely,
enumerate
can
affect
diversification
rates
promoting
gene
influxes
communities
and/or
shifting
genes
allele
frequencies
iScience,
Journal Year:
2022,
Volume and Issue:
25(3), P. 103887 - 103887
Published: Feb. 10, 2022
Dispersal
is
a
fundamental
community
assembly
process
that
maintains
soil
microbial
biodiversity
across
spatial
and
temporal
scales,
yet
the
impact
of
dispersal
on
ecosystem
function
largely
unpredictable.
unique
in
it
contributes
to
both
ecological
evolutionary
processes
shaped
by
deterministic
stochastic
forces.
The
ecosystem-level
ramifications
outcomes
are
further
compounded
dormancy
dynamics
environmental
selection.
Here
we
review
knowledge
gaps
challenges
remain
defining
how
dispersal,
filtering,
interact
influence
relationship
between
structure
soils.
We
propose
classification
into
three
categories,
through
vegetative
or
active
cells,
dormant
acellular
each
with
spatiotemporal
trait
associations.
This
conceptual
framework
should
improve
integration
structure-function
relationships.
Annual Review of Ecology Evolution and Systematics,
Journal Year:
2022,
Volume and Issue:
53(1), P. 299 - 326
Published: Aug. 17, 2022
The
finding
that
adaptive
evolution
can
often
be
substantial
enough
to
alter
ecological
dynamics
challenges
traditional
views
of
community
ecology
ignore
evolution.
Here,
we
propose
might
commonly
both
local
and
regional
processes
assembly.
We
show
how
adaptation
substantially
affect
assembly
these
effects
depend
on
(metacommunity)
factors,
including
environmental
heterogeneity
its
spatial
structure.
In
particular,
early
colonists
arrive
from
a
nearby
community,
adapt
conditions,
subsequently
the
establishment
or
abundance
late-arriving
species,
producing
an
evolutionary
priority
effect.
also
discuss
interaction
type
relative
rates
colonization,
evolution,
interactions
determine
divergent
outcomes.
describe
new
conceptual
approaches
provide
insights
into
statistical
methods
better
evaluate
their
importance.
Overall,
demonstrate
accounting
for
during
opens
up
novel
ways
making
progress
fundamental
questions
in
ecology.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2020,
Volume and Issue:
375(1798), P. 20190243 - 20190243
Published: March 23, 2020
Much
of
Earth's
biodiversity
has
the
capacity
to
engage
in
dormancy,
a
reversible
state
reduced
metabolic
activity.
By
increasing
resilience
unfavourable
conditions,
dormancy
leads
accumulation
‘seed
banks’.
These
reservoirs
genetic
and
phenotypic
diversity
should
diminish
strength
environmental
filtering
increase
rates
dispersal.
Although
prevalent
among
single-celled
organisms,
evidence
that
influences
patterns
microbial
biogeography
is
lacking.
We
constructed
geographical
distance–decay
relationships
(DDRs)
for
total
(DNA)
active
(RNA)
portions
bacterial
communities
regional-scale
16S
rRNA
survey
forested
ponds
Indiana,
USA.
As
predicted,
harboured
greater
exhibited
weaker
DDRs
than
communities.
observations
were
robust
random
resampling
different
community
metrics.
To
evaluate
processes
underlying
biogeographic
patterns,
we
developed
platform
mechanistic
models
used
coordinates
characteristics
our
study
system.
Based
on
more
10
6
simulations,
approximated
empirical
when
there
was
strong
along
with
presence
long-lived
seed
banks.
contrast,
inclusion
dispersal
generally
decreased
model
performance.
Together,
findings
support
recent
theoretical
predictions
banks
can
influence
This
article
part
theme
issue
‘Conceptual
challenges
ecology’.
Oikos,
Journal Year:
2021,
Volume and Issue:
2022(1)
Published: Oct. 19, 2021
Current
analyses
of
metacommunity
data
largely
focus
on
global
attributes
across
the
entire
metacommunity,
such
as
mean
alpha,
beta,
and
gamma
diversity,
well
partitioning
compositional
variation
into
single
estimates
contributions
space
environmental
effects
and,
more
recently,
possible
species
interactions.
However,
this
view
neglects
fact
that
different
sites
in
landscape
can
vary
widely
how
they
contribute
to
these
metacommunity‐wide
attributes.
We
argue
for
a
new
conceptual
framework
with
matched
analytics
goals
studying
complex
interactive
relations
between
process
pattern
metacommunities
is
focused
among
which
we
call
‘internal
structure'
metacommunity.
To
demonstrate
internal
structure
could
be
studied,
create
synthetic
using
process‐based
colonization–extinction
model.
then
use
joint
distribution
models
estimate
space,
environment,
biotic
interactions
driving
assembly
differ
sites.
find
approach
provides
useful
information
about
distinct
ways
structure.
Although
it
has
limitations,
our
work
points
at
general
understand
other
complexities
might
affect
thus
incorporated
cohesive
theory.