The ISME Journal,
Год журнала:
2023,
Номер
17(11), С. 1798 - 1807
Опубликована: Сен. 2, 2023
Abstract
Microbes
can
be
an
important
source
of
phenotypic
plasticity
in
insects.
Insect
physiology,
behaviour,
and
ecology
are
influenced
by
individual
variation
the
microbial
communities
held
within
insect
gut,
reproductive
organs,
bacteriome,
other
tissues.
It
is
becoming
increasingly
clear
how
microbiome
for
fitness,
expansion
into
novel
ecological
niches,
environments.
These
investigations
have
garnered
heightened
interest
recently,
yet
a
comprehensive
understanding
intraspecific
assembly
function
these
insect-associated
shape
insects
still
lacking.
Most
research
focuses
on
core
associated
with
species
ignores
variation.
We
argue
that
among
driver
evolution,
we
provide
examples
showing
such
influence
fitness
health
insects,
invasions,
their
persistence
new
environments,
responses
to
global
environmental
changes.
Nature Ecology & Evolution,
Год журнала:
2023,
Номер
7(7), С. 1022 - 1044
Опубликована: Май 18, 2023
For
over
300
million
years,
insects
have
relied
on
symbiotic
microbes
for
nutrition
and
defence.
However,
it
is
unclear
whether
specific
ecological
conditions
repeatedly
favoured
the
evolution
of
symbioses,
how
this
has
influenced
insect
diversification.
Here,
using
data
1,850
microbe-insect
symbioses
across
402
families,
we
found
that
symbionts
allowed
to
specialize
a
range
nutrient-imbalanced
diets,
including
phloem,
blood
wood.
Across
only
limiting
nutrient
consistently
associated
with
obligate
symbiosis
was
B
vitamins.
The
shift
new
facilitated
by
symbionts,
had
mixed
consequences
In
some
cases,
such
as
herbivory,
resulted
in
spectacular
species
proliferation.
other
niches,
strict
feeding,
diversification
been
severely
constrained.
Symbioses
therefore
appear
solve
widespread
deficiencies
insects,
but
depend
feeding
niche
invaded.
Frontiers in Microbiology,
Год журнала:
2017,
Номер
8
Опубликована: Ноя. 28, 2017
Experimental
evidence
is
accumulating
that
endosymbionts
of
phytophagous
insects
may
transmit
horizontally
via
plants.
Intracellular
symbionts
known
for
manipulating
insect
reproduction
and
altering
fitness
(Rickettsia,
Cardinium,
Wolbachia
BEV)
have
been
found
to
travel
from
infected
into
Other
insects,
either
the
same
or
different
species,
can
acquire
symbiont
plant
through
feeding,
in
some
cases
transfer
it
their
progeny.
These
reports
prompt
many
questions
regarding
how
intracellular
are
delivered
plants
they
affect
them.
Are
passively
transported
along
insect-plant-insect
path,
do
actively
participate
process?
How
widespread
these
interactions?
does
presence
influence
plant?
And
what
conditions
required
new
infection
establish
an
insect?
From
ecological,
evolutionary
applied
perspective,
this
mode
horizontal
transmission
could
profound
implications
if
occurring
frequently
enough
stable
infections
established.
Transmission
likely
represents
underappreciated
means
infection,
both
terms
epidemiology
movement
host
species.
Current Opinion in Insect Science,
Год журнала:
2020,
Номер
39, С. 14 - 20
Опубликована: Янв. 27, 2020
In
addition
to
their
well-studied
contributions
host's
nutrition,
digestion,
and
defense,
microbial
symbionts
of
insects
are
increasingly
found
affect
response
toward
abiotic
stressors.
particular,
symbiotic
microbes
can
reduce
or
enhance
tolerance
temperature
extremes,
improve
desiccation
resistance
by
aiding
cuticle
biosynthesis
sclerotization,
detoxify
heavy
metals.
As
such,
individual
communities
expand
constrain
the
niche
space
host
determine
its
adaptability
fluctuating
environments.
light
increasing
impact
humans
on
climate
environment,
a
better
understanding
host-microbe
interactions
is
necessary
predict
how
different
insect
species
will
respond
changes
in
conditions.
Annual Review of Ecology Evolution and Systematics,
Год журнала:
2020,
Номер
51(1), С. 409 - 432
Опубликована: Авг. 18, 2020
While
the
importance
of
mutualisms
across
tree
life
is
recognized,
it
not
understood
why
some
organisms
evolve
high
levels
dependence
on
mutualistic
partnerships,
while
other
species
remain
autonomous
or
retain
regain
minimal
partners.
We
identify
four
main
pathways
leading
to
evolution
dependence.
Then,
we
evaluate
current
evidence
for
three
predictions:
(
a)
Mutualisms
with
different
have
distinct
stabilizing
mechanisms
against
exploitation
and
cheating,
b)
less
dependent
mutualists
will
return
autonomy
more
often
than
those
that
are
highly
dependent,
c)
obligate
should
be
context
facultative
ones.
Although
find
supporting
all
predictions,
stress
partners
follow
diverse
paths
toward—and
away
from—dependence.
also
highlight
need
better
examine
asymmetry
in
partner
Recognizing
how
variation
influences
stability,
breakdown,
generates
new
hypotheses
regarding
benefits
partnerships
differ
over
time
space.
New Phytologist,
Год журнала:
2017,
Номер
217(1), С. 277 - 289
Опубликована: Сен. 11, 2017
Summary
An
understanding
of
how
biotic
interactions
shape
species’
distributions
is
central
to
predicting
host–symbiont
responses
under
climate
change.
Switches
locally
adapted
algae
have
been
proposed
be
an
adaptive
strategy
lichen‐forming
fungi
cope
with
environmental
However,
it
unclear
lichen
photobionts
respond
gradients,
and
whether
they
play
a
role
in
determining
the
fungal
host's
upper
lower
elevational
limits.
Deep‐coverage
Illumina
DNA
metabarcoding
was
used
track
changes
community
composition
Trebouxia
associated
two
phylogenetically
closely
related,
but
ecologically
divergent
hosts
along
steep
altitudinal
gradient
Mediterranean
region.
We
detected
presence
multiple
species
majority
thalli.
Both
altitude
host
genetic
identity
were
strong
predictors
photobiont
assembly
these
species.
The
predominantly
clonally
dispersing
fungus
showed
stronger
structuring
communities
than
sexually
reproducing
host.
Elevation
ranges
not
limited
by
lack
compatible
photobionts.
Our
study
sheds
light
on
processes
guiding
formation
distribution
specific
fungal–algal
combinations
symbiosis.
effect
filtering
acting
both
symbiotic
partners
appears
lichens.
