bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 29, 2023
Abstract
Background
Socially
plastic
behaviours
are
widespread
among
animals
and
can
have
a
significant
impact
on
fitness.
Here
we
investigated
whether
the
socially
responses
of
female
Drosophila
melanogaster
evolve
in
predictable
ways
following
long
term
manipulation
adult
sex
ratio
nutrient
availability.
Previous
reports
show
that
D.
respond
plastically
to
their
immediate
same-sex
social
environment
by
altering
fecundity,
laying
fewer
eggs
after
they
mate
if
previously
exposed
other
females,
Fecundity
is
also
highly
sensitive
female’s
nutritional
status,
being
significantly
reduced
when
dietary
protein
particular
scarce.
On
this
basis,
predicted
an
evolutionary
history
exposure
variation
would
select
strongly
upon
fecundity
responses.
Results
We
used
females
had
been
drawn
from
replicated
lines
experienced
male
biased,
biased
or
equal
ratios
either
standard
low-quality
nutrition.
tested
specific
predictions
elevated
competition
(in
female-biased
regimes)
for
increasingly
presence
conspecifics,
these
be
magnified
under
poor
resource
regimes.
In
contrast
expectations,
found
were
strikingly
robust
perturbations
both
sexual
availability
did
not
differ
across
any
The
lack
response
explained
insufficient
strength
selection.
For
example,
held
isolation
prior
mating,
observe
virgin
egg
according
regime
retention
regime.
Conclusion
existence
magnitude
plasticity
consistent
with
idea
costs
maintaining
low,
benefits
high,
itself
hard
wired.
Plants,
Journal Year:
2025,
Volume and Issue:
14(6), P. 960 - 960
Published: March 19, 2025
Phenotypic
plasticity
is
an
important
adaptive
strategy
that
enables
plants
to
respond
environmental
changes,
particularly
temperature
fluctuations
associated
with
global
warming.
In
this
study,
the
phenotypic
of
Iris
pumila
leaf
traits
in
response
elevated
(by
1
°C)
was
investigated
under
controlled
experimental
conditions.
particular,
we
functional
and
mechanistic
traits:
specific
area
(SLA),
dry
matter
content
(LDMC),
water
(SLWC),
stomatal
density
(SD),
thickness
(LT),
chlorophyll
content.
The
results
revealed
induced
trait-specific
plastic
responses,
exhibiting
greater
than
traits,
reflecting
their
role
short-term
acclimation.
SLA
SD
increased
at
higher
temperatures,
promoting
photosynthesis
gas
exchange,
while
reductions
SLWC,
LDMC,
LT,
suggest
a
trade-off
favor
growth
metabolic
activity
over
structural
investment.
Notably,
exhibited
highest
plasticity,
emphasizing
its
crucial
modulating
photosynthetic
efficiency
thermal
stress.
Correlation
analyses
strong
integration
between
distinct
trait
relationships
emerging
different
These
findings
I.
employs
both
rapid
physiological
adjustments
longer-term
strategies
cope
stress,
facilitating
maintaining
ecological
stability.
Ecology Letters,
Journal Year:
2024,
Volume and Issue:
27(2)
Published: Feb. 1, 2024
Abstract
Human‐induced
rapid
environmental
change
(HIREC)
is
creating
environments
deviating
considerably
from
natural
habitats
in
which
species
evolved.
Concurrently,
climate
warming
pushing
species’
climatic
envelopes
to
geographic
regions
that
offer
novel
ecological
conditions.
The
persistence
of
likely
affected
by
the
interplay
between
degree
novelty
and
phenotypic
plasticity,
turn
may
shape
an
organism's
range‐shifting
ability.
Current
modelling
approaches
forecast
animal
ranges
are
characterized
a
static
representation
relationship
habitat
use
fitness,
bias
predictions
under
conditions
imposed
HIREC.
We
argue
accounting
for
dynamic
species‐resource
relationships
can
increase
realism
range
shift
predictions.
Our
rationale
builds
on
concepts
fitting,
process
whereby
individuals
form
successful
biotic
associations
based
suite
traits
they
carry
at
time
encountering
condition,
behavioural
particular
learning.
These
have
revolutionized
our
view
fitness
settings,
way
these
processes
influence
integrated
them
into
model
expansion
as
conceptual
proof
principle
highlighting
potentially
substantial
role
learning
ability
shifts
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2024,
Volume and Issue:
291(2027)
Published: July 16, 2024
Behavioural
syndromes
are
suites
of
behaviours
that
corelate
between-individuals
but
the
same
may
also
show
within-individual
correlations
owing
to
state
dependency
or
trade-offs.
Therefore,
overall
phenotypic
behavioural
must
be
separated
into
their
between-
and
components.
We
investigate
how
startle
response
duration
(an
index
boldness)
time
taken
reject
an
inert
item
investigation
thoroughness)
covary
in
beadlet
sea
anemones,
Actinia
equina
.
Anemones
took
longer
a
more
complex
compared
simpler
one,
validating
this
measure
thoroughness.
then
quantified
using
Bayesian
analysis
alternative
frequentist
analysis,
which
returned
results.
Startle
responses
decreased
with
anemone
size
while
thoroughness
across
repeated
observations,
indicative
simple
learning.
For
each
behaviour,
repeatability
was
significant
relatively
low
there
no
syndrome.
Rather,
two
showed
negative
correlation
most
individuals.
Thus,
boldness
unlikely
under
correlative
selection,
they
instead
expressed
independently,
line
general
pattern
cross-contextual
comparatively
rare.
It
now
appears
extend
broadly
animal
diversity.
Journal of Animal Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Abstract
Animal
personalities
are
characterized
by
intra‐individual
consistency
and
consistent
inter‐individual
variability
in
behaviour
across
time
contexts.
Personalities
abound
animals,
ranging
from
sea
anemones
to
insects,
arachnids,
birds,
fish
primates,
yet
the
pathways
mediating
personality
formation
expression
remain
elusive.
Social
conditions
during
early
postnatal
period
known
determinants
of
mean
behavioural
trait
expressions
later
life,
but
their
relevance
shaping
trajectories
is
unknown.
Here,
we
investigated
consequences
social
isolation
on
adult
plant‐inhabiting
predatory
mites
Phytoseiulus
persimilis
.
These
adapted
live
groups.
We
hypothesized
that
transient
experience
is,
deprivation
any
contact
a
sensitive
window
post‐hatching
phase,
has
enduring
adverse
effects
expression.
Newly
hatched
were
transiently
reared
or
groups
tested
as
adults
for
repeatability
various
within‐group
behaviours,
such
movement
patterns
mutual
interactions
including
sociability,
defined
propensity
associate
interact
benignly
with
conspecifics,
activity
when
alone.
Groups
composed
individuals
same
different
early‐life
experiences
repeatedly
videotaped
individual
behaviours
automatically
analysed
using
AnimalTA.
life
had
persistent
traits
well
expression,
measured
intraclass
correlation
coefficients
(indicating
repeatability).
On
average,
isolation‐reared
females
moved
at
higher
speeds,
meandered
less,
kept
greater
distances
others
fewer
immediate
neighbours
than
group‐reared
females.
Group‐reared
highly
repeatable
distance,
moving
speed,
meandering
area
explored,
whereas
only
number
neighbours.
Activity,
quantified
proportion
spent
within
groups,
was
females,
activity,
alone,
isolation.
Strikingly,
also
male
mates
influenced
mated
males
boosting
Overall,
our
study
provides
evidence
phase
critical
lasting
extend
into
adulthood,
impairing
should
cascade
upward,
changing
phenotypic
composition
diversity
populations.
Behavioural Brain Research,
Journal Year:
2024,
Volume and Issue:
473, P. 115179 - 115179
Published: Aug. 3, 2024
Glucocorticoids
(GCs)
have
a
wide
spectrum
of
effects
on
animal
behavior.
A
recently
suggested
effect
involves
determining
the
structure
individual
differences,
that
is
how
behavioral
traits
an
covary,
forming
so-called
syndromes.
As
GCs
can
exert
their
action
in
multiple
ways,
e.g.,
via
rapid
non-genomic
or
activation
two
highly
homologous
members
steroid
receptor
family
acting
as
transcription
factors,
it
unclear
GC
modulation
syndromes
takes
place.
We
exploited
zebrafish
line
with
frameshift
mutation
gene
encoding
(Gr),
to
investigate
this
question.
found
lack
Gr
altered
average
score
several
mutant
line,
reduced
boldness,
and
increased
activity
sociability.
Critically,
pattern
covariation
between
these
was
also
substantially
affected
by
loss
Gr.
The
most
evident
association
involved
boldness
gr
line.
This
study
reveals
that,
zebrafish,
not
only
value
traits,
but
are
interrelated
determine
Ecology Letters,
Journal Year:
2024,
Volume and Issue:
27(12)
Published: Dec. 1, 2024
Behavioural
plasticity
is
an
important
mechanism
allowing
animals
to
cope
with
changing
environments.
Theory
has
hypothesized
the
existence
of
'plasticity
syndromes'-positive
correlations
in
across
multiple
behaviours
within
individual-affording
a
generalized
ability
respond
environmental
change.
However,
occurrence
correlated
plasticities
and
their
potential
fitness
consequences
natural
populations
remain
untested.
Using
40-year
dataset
on
free-ranging
Magellanic
penguins,
we
find
evidence
both
positively
negatively
behavioural
plasticities.
Plasticity
did
not
strongly
affect
lifetime
reproductive
success,
but
its
effect
interannual
performance
varied
significantly
by
context:
reduced
success
average
oceanic
conditions,
increased
anomalously
productive
conditions
and,
contrary
expectation,
buffer
against
unproductive
conditions.
Such
results
highlight
complex
patterns
behaviours,
individuals
environments,
context-dependent
role
that
play
adaptive
capacity
Journal of Fish Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Commercial
overexploitation
and
climate
change
can
alter
the
physiology
behavior
of
marine
organisms,
although
intraspecific
phenotypic
responses
to
such
changes
vary
greatly
depending
on
environment,
species,
severity
stressor.
Under
pace‐of‐life
syndrome
(POLS)
hypothesis,
behavior,
physiology,
life‐history
traits
are
linked,
thus,
affected
by
selection
targeting
any
aspect
organismal
biology.
However,
these
links
understudied
in
tropical
fishes,
further
work
is
needed
better
understand
impacts
fisheries
wild
stocks.
Moreover,
regions
have
a
greater
reliance
fisheries;
thus
investigations
should
focus
species
with
substantial
socioeconomic
value
ensure
benefits
at
local
level.
This
study
aimed
address
this
need
measuring
(boldness
activity),
metabolism,
swimming
performance
(using
critical
swim
speed
[U
crit
]
test)
schoolmaster
snapper
Lutjanus
apodus
Eleuthera,
Bahamas.
We
report
strong
positive
correlation
between
boldness
activity,
high
repeatability
behavioral
metrics,
two
groupings
that
were
consistent
“proactive”
“reactive”
types.
These
types
differed
significantly
their
performance,
reactive
individuals
having
13.1%
higher
mean
U
.
In
contrast,
no
significant
differences
found
measured
metabolic
parameters
first
investigate
using
novel
ecologically
relevant
comparison
data
suggest
additional
research
predict
success
proactive/reactive
fish
if
overexploited
as
influenced
change.