PLoS ONE,
Journal Year:
2019,
Volume and Issue:
14(1), P. e0210109 - e0210109
Published: Jan. 16, 2019
The
gut
microbiome
of
insects
directly
or
indirectly
affects
the
metabolism,
immune
status,
sensory
perception
and
feeding
behavior
its
host.
Here,
we
examine
hypothesis
that
in
oriental
fruit
fly
(Bactrocera
dorsalis,
Diptera:
Tephritidae),
presence
absence
symbionts
foraging
nutrient
ingestion.
We
offered
protein-starved
flies,
symbiotic
aposymbiotic,
a
choice
between
diets
containing
all
amino
acids
only
non-essential
ones.
different
were
presented
arena
as
drops
varied
their
size
density,
creating
an
imbalanced
environment.
Suppressing
resulted
significant
changes
both
male
female
flies.
Aposymbiotic
flies
responded
faster
to
experimental
arenas,
spent
more
time
feeding,
ingested
food,
constrained
feed
on
time-consuming
patches
(containing
small
food),
when
these
full
complement
acids.
discuss
results
context
previous
studies
effect
host
behavior,
suggest
be
extended
life
history
dimension.
Journal of Experimental Biology,
Journal Year:
2019,
Volume and Issue:
unknown
Published: Jan. 1, 2019
It
has
been
shown
that
gut
microbes
are
very
important
for
the
behavior
and
development
of
Drosophila,
as
beneficial
involved
in
identification
suitable
feeding
egg-laying
locations.
However,
what
way
these
associated
influence
fitness-related
behaviors
Drosophila
melanogaster
remains
unclear.
Here,
we
show
D.
exhibits
different
behavioral
preferences
towards
microbes.
Both
adults
larvae
were
attracted
by
volatile
compounds
Saccharomyces
cerevisiae
Lactobacillus
plantarum,
but
repelled
Acetobacter
malorum
assays,
indicating
an
olfactory
mechanism
is
preference
behaviors.
While
attraction
to
yeast
was
governed
sensory
neurons
expressing
odorant
co-receptor
Orco,
observed
other
retained
flies
lacking
this
co-receptor.
By
experimentally
manipulating
microbiota
flies,
found
did
not
strive
a
diverse
microbiome
increasing
their
they
had
experienced
previously.
Instead,
some
cases,
even
increased
on
which
reared.
Furthermore,
exposing
all
three
promoted
development,
while
exposure
only
S.
A.
resulted
larger
ovaries
egg
numbers
oviposition
assay.
Thus,
our
study
provides
better
understanding
how
affect
insect
offers
ecological
rationale
natural
environment.
Journal of Insect Science,
Journal Year:
2020,
Volume and Issue:
20(3)
Published: April 20, 2020
Abstract
After
its
initial
discovery
in
California
2008,
Drosophila
suzukii
Matsumura
has
become
one
of
the
most
important
invasive
agricultural
pest
insects
across
climate
zones
much
Asia,
Europe,
North
America,
and
South
America.
Populations
D.
have
demonstrated
notable
behavioral
physiological
plasticity,
adapting
to
diverse
environmental
climatic
conditions,
interspecific
competition,
novel
food
sources,
potential
predators.
This
adaptability
plasticity
enabled
rapid
range
expansion
diversified
niche
use
by
suzukii,
making
it
a
species
particularly
suited
changing
habitats
conditions.
article
reviews
factors
evidence
that
influence
promotes
this
species’
invasiveness.
Current Opinion in Insect Science,
Journal Year:
2020,
Volume and Issue:
39, P. 84 - 90
Published: March 20, 2020
Drosophila
melanogaster
harbors
a
simple
gut
microbial
community,
or
microbiome,
that
regulates
several
facets
of
its
physiology.
As
result,
the
host
employs
multiple
mechanisms
maintaining
control
over
microbiome
in
an
effort
to
promote
overall
organismal
homeostasis.
Perturbations
balance
between
and
can
result
states
instability
disease,
making
maintenance
homeostasis
fundamental
physiologic
aspect
D.
biology.
While
interactions
microbes
their
hosts
be
direct,
particularly
context
immunity
renewal,
effects
resulting
from
indirect
interactions,
such
as
those
microbiota
members,
equally
important.
This
review
highlights
major
ways,
which
homeostasis,
consequences
disruptions
different
mechanisms,
by
interacts
with
host.
Current Opinion in Insect Science,
Journal Year:
2020,
Volume and Issue:
39, P. 91 - 100
Published: March 20, 2020
Microbial
symbiosis
is
widespread
among
insects.
This
article
reviews
our
understanding
of
insect
behaviors
relevant
to
commensalistic
and
mutualistic
microbial
symbiosis,
which
has
received
relatively
less
attention
compared
in
parasitic
symbiosis.
First,
we
review
knowledge
symbiont
transmission
by
the
host
insects
maintain
associations
with
beneficial
microorganisms
over
generations.
Some
that
extracellularly
harbor
symbionts
exhibit
particularly
sophisticated
for
vertical
transmission.
Next,
highlight
notable
studies
on
behavioral
changes
induced
infection.
In
last
decade,
a
number
have
demonstrated
or
suggested
infections
affect
their
behaviors.
Finally,
future
directions
regarding
these
research
topics
are
discussed.