Frontiers in Physiology,
Journal Year:
2022,
Volume and Issue:
13
Published: Feb. 28, 2022
The
expression
of
life-history
traits,
such
as
lifespan
or
reproductive
effort,
is
tightly
correlated
with
the
amount
and
blend
macronutrients
that
individuals
consume.
In
a
range
herbivorous
insects,
consuming
high
protein
to
carbohydrate
ratios
(P:C)
decreases
but
increases
female
fecundity.
other
words,
females
face
resource-based
trade-off
between
Redox
metabolism
may
help
mediate
this
trade-off,
if
oxidative
damage
elevated
by
investment
damage,
in
turn,
reduces
lifespan.
Here,
we
test
how
diets
varying
P:C
ratio
affect
antioxidant
protection
male
marula
fly,
Ceratitis
cosyra
(Diptera:
Tephritidae).
We
use
replicated
lines
have
been
subjected
experimental
evolution
differ
their
scheduling.
predicted
fecundity
would
be
associated
reduced
defences,
while
longer
lived
flies
show
defences.
However,
higher
levels
were
observed
long-lived
control
than
selection
lines,
only
when
fed
diet
promoting
Flies
(1:4
1:2
P:C)
suffered
greater
lipids
best
(0:1
for
Total
capacity
was
not
affected
regime
nutrition.
Our
results
reiterate
importance
nutrition
affecting
suggest
C.
cosyra,
reactive
oxygen
species
play
minimal
role
mediating
dietary
trade-offs
reproduction.
PLoS Biology,
Journal Year:
2020,
Volume and Issue:
18(3), P. e3000681 - e3000681
Published: March 20, 2020
The
interplay
between
nutrition
and
the
microbial
communities
colonizing
gastrointestinal
tract
(i.e.,
gut
microbiota)
determines
juvenile
growth
trajectory.
Nutritional
deficiencies
trigger
developmental
delays,
an
immature
microbiota
is
a
hallmark
of
pathologies
related
to
childhood
undernutrition.
However,
how
host-associated
bacteria
modulate
impact
on
remains
elusive.
Here,
using
gnotobiotic
Drosophila
melanogaster
larvae
independently
associated
with
Acetobacter
pomorumWJL
(ApWJL)
Lactobacillus
plantarumNC8
(LpNC8),
2
model
Drosophila-associated
bacteria,
we
performed
large-scale,
systematic
nutritional
screen
based
larval
in
40
different
precisely
controlled
environments.
We
combined
these
results
genome-based
metabolic
network
reconstruction
define
biosynthetic
capacities
germ-free
(GF)
its
bacterial
partners.
first
established
that
ApWJL
LpNC8
differentially
fulfill
requirements
ex-GF
parsed
such
difference
down
individual
amino
acids,
vitamins,
other
micronutrients,
trace
metals.
found
not
only
fortify
host's
diet
essential
nutrients
but,
specific
instances,
functionally
compensate
for
host
auxotrophies
by
either
providing
intermediate
or
nutrient
derivative
uptaking,
concentrating,
delivering
contaminant
traces
micronutrients.
Our
work
reveals
beyond
molecular
dialogue
engaged
partners,
establish
integrated
relying
provision
utilization.
iScience,
Journal Year:
2020,
Volume and Issue:
23(6), P. 101232 - 101232
Published: June 1, 2020
The
gut
microbiota
shapes
animal
growth
trajectory
in
stressful
nutritional
environments,
but
the
molecular
mechanisms
behind
such
physiological
benefits
remain
poorly
understood.
is
mostly
composed
of
bacteria,
which
construct
metabolic
networks
among
themselves
and
with
host.
Until
now,
how
activities
contribute
to
host
juvenile
remains
unknown.
Here,
using
Drosophila
as
a
model,
we
report
that
two
its
major
bacterial
partners,
Lactobacillus
plantarum
Acetobacter
pomorum,
engage
beneficial
dialogue
boosts
despite
stress.
We
pinpoint
lactate,
produced
by
L.
plantarum,
utilized
A.
pomorum
an
additional
carbon
source,
provides
essential
amino
acids
vitamins
plantarum.
Such
cross-feeding
provisions
set
anabolic
metabolites
host,
may
foster
systemic
poor
nutrition.
Current Zoology,
Journal Year:
2019,
Volume and Issue:
65(4), P. 437 - 446
Published: May 21, 2019
Abstract
Animals
have
evolved
foraging
strategies
to
acquire
blends
of
nutrients
that
maximize
fitness
traits.
In
social
insects,
nutrient
regulation
is
complicated
by
the
fact
few
individuals,
foragers,
must
address
divergent
nutritional
needs
all
colony
members
simultaneously,
including
other
workers,
reproductives,
and
brood.
Here
we
used
3D
geometry
design
examine
how
bumblebee
workers
regulate
their
collection
3
major
macronutrients
in
presence
absence
We
provided
small
colonies
artificial
nectars
(liquid
diets)
pollens
(solid
varying
compositions
proteins,
lipids,
carbohydrates
during
2
weeks.
Colonies
given
a
choice
between
nutritionally
complementary
diets
self-selected
foods
reach
target
ratio
71%
6%
carbohydrates,
23%
irrespective
When
confined
single
imbalanced
solid
diet,
without
brood
regulated
lipid
over-collected
protein
relative
this
ratio,
whereas
with
both
collection.
This
effect
on
suggests
levels
are
critical
for
larval
development.
Our
results
highlight
importance
considering
bee
nutrition
as
multidimensional
phenomenon
better
assess
effects
environmental
impoverishment
malnutrition
population
declines.
Frontiers in Aging,
Journal Year:
2022,
Volume and Issue:
3
Published: May 19, 2022
Intestinal
microbial
communities
participate
in
essential
aspects
of
host
biology,
including
nutrient
acquisition,
development,
immunity,
and
metabolism.
During
aging,
dramatic
shifts
occur
the
composition,
abundance,
function
gut
microbiota.
Although
such
changes
microbiota
are
conserved
across
species,
most
studies
remain
descriptive
at
suggest
a
correlation
between
age-related
pathology
particular
microbes.
Therefore,
causal
role
aging
has
remained
challenging
question,
part
due
to
complexity
mammalian
intestinal
microbiota,
which
is
not
cultivable
or
genetically
amenable.
Here,
we
summarize
recent
fruit
fly
Environmental Entomology,
Journal Year:
2019,
Volume and Issue:
48(4), P. 867 - 881
Published: May 7, 2019
Abstract
A
better
understanding
of
the
factors
affecting
host
plant
use
by
spotted-wing
drosophila
(Drosophila
suzukii)
could
aid
in
development
efficient
management
tools
and
practices
to
control
this
pest.
Here,
proxies
both
preference
(maternal
oviposition
behavior)
performance
(adult
emergence)
were
evaluated
for
12
different
fruits
form
purees.
The
effect
chemical
composition
on
traits
was
then
estimated.
We
synthesized
literature
interpret
our
findings
light
previous
studies
that
measured
larval
D.
suzukii.
show
fruit
identity
influences
parts
life
cycle,
including
under
choice
no-choice
conditions,
emergence
rate,
time,
number
emerging
adults.
Blackcurrant
always
among
most
preferred
we
used,
while
grape
tomato
least
fruits.
Larvae
performed
cranberry,
raspberry,
strawberry,
cherry
than
other
tested.
found
compounds
can
explain
part
suzukii
traits.
In
particular,
conditions
strongly
influenced
phosphorus
content.
general,
consensus
across
is
blackberry,
strawberry
are
best
hosts
blackcurrant,
rose
hips
poor
hosts.
Our
results
generally
confirm
view
but
also
suggest
preferences
do
not
necessarily
match
performances.
discuss
opportunities
develop
new
approaches
pest
management.
G3 Genes Genomes Genetics,
Journal Year:
2020,
Volume and Issue:
10(7), P. 2207 - 2211
Published: May 6, 2020
Nutrition
is
a
major
factor
influencing
many
aspects
of
Drosophila
melanogaster
physiology.
However,
wide
range
diets,
which
are
termed
"standard"
in
the
literature,
utilized
for
D.
research,
leading
to
inconsistencies
reporting
nutrition-dependent
phenotypes
across
field.
This
especially
evident
microbiome
studies,
as
diet
has
pivotal
role
composition
and
resulting
host-microbe
interactions.
Here,
we
performed
meta-analysis
diets
used
fly
research
provide
web-based
tool
researchers
determine
nutritional
content
interest.
While
our
primarily
focuses
on
goal
developing
these
resources
aid
broader
community
contextualizing
past
future
studies
scope
better
understand
how
individual
lab
can
contribute
observed
phenotypes.
BMC Evolutionary Biology,
Journal Year:
2020,
Volume and Issue:
20(1)
Published: July 29, 2020
The
adaptive
significance
of
phenotypic
changes
elicited
by
environmental
conditions
experienced
early
in
life
has
long
attracted
attention
evolutionary
biology.
In
this
study,
we
used
Drosophila
melanogaster
to
test
whether
the
developmental
diet
produces
phenotypes
better
adapted
cope
with
similar
nutritional
later
life.
To
discriminate
among
competing
hypotheses
on
underlying
nature
plasticity,
employed
a
full
factorial
design
several
and
adult
diets.
Specifically,
examined
effects
early-
late-life
diets
(by
varying
their
yeast
sugar
contents)
reproductive
fitness
amount
energy
reserves
(fat
glycogen)
two
wild-caught
populations.We
found
that
individuals
had
developed
either
low-yeast
or
high-sugar
showed
decreased
performance
regardless
environment.
lower
might
be
caused
smaller
body
size
reduced
ovariole
number.
Overall,
these
results
are
consistent
silver
spoon
concept,
which
posits
development
suboptimal
environment
negatively
affects
fitness-associated
traits.
On
other
hand,
higher
(fat)
represent
an
response
side-effect
compensatory
feeding.Our
findings
suggest
observed
differences
physiology
induced
early-life
likely
result
from
inevitable
general
nutrition
metabolic
organs,
rather
than
mechanisms.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(2)
Published: Feb. 1, 2024
Food
is
fundamental
for
the
survival
of
organisms,
governing
growth,
maintenance,
and
reproduction
through
provision
essential
macronutrients.
However,
access
to
food
with
optimum
macronutrient
composition,
which
will
maximize
evolutionary
fitness
an
organism,
not
always
guaranteed.
This
leads
dietary
mismatches
potential
impacts
on
organismal
performance.
To
understand
consequences
such
mismatches,
we
examined
effects
isocaloric
diets
varying
in
composition
eight
key
traits
spanning
across
lifespan
a
large
outbred
Journal of Experimental Biology,
Journal Year:
2023,
Volume and Issue:
226(24)
Published: Dec. 14, 2023
Insects
are
the
most
diverse
animal
group
on
planet.
Their
success
is
reflected
by
diversity
of
habitats
in
which
they
live.
However,
these
have
undergone
great
changes
recent
decades;
understanding
how
affect
insect
health
and
fitness
an
important
challenge
for
conservation.
In
this
Review,
we
focus
research
that
links
nutritional
environment
with
infection
immune
status
insects.
We
first
discuss
from
field
immunology,
then
investigate
factors
such
as
intracellular
extracellular
symbionts,
sociality
transgenerational
effects
may
interact
connection
between
nutrition
immunity.
show
interactions
resistance
can
be
highly
specific
to
species
and/or
type
-
almost
certainly
due
social
life
cycles,
varied
environments
insects
Hence,
connections
cannot
easily
generalised
across
finally
suggest
other
environmental
aspects
use
agrochemicals
climatic
might
also
influence
interaction
resistance,
highlight
essential.