Frontiers in Insect Science,
Journal Year:
2023,
Volume and Issue:
3
Published: March 30, 2023
Rhodnius
prolixus
,
a
major
vector
of
Chagas
disease,
may
be
considered
the
model
upon
which
foundations
insect
physiology
and
biochemistry
were
built.
It
is
an
obligate
blood
feeder
in
meal
triggers
growth,
development
reproduction.
The
also
post-prandial
diuresis
to
maintain
osmotic
homeostasis.
In
R.
as
with
other
insects,
Malpighian
tubules
play
critical
role
this
diuresis,
much
has
been
learned
about
insects.
But
post-genomic
era
brought
new
insights,
identifying
functions
quite
apart
from
for
tubules.
Indeed,
microarrays,
transcriptomes,
proteomics
have
revealed
roles
that
immunity,
detoxification,
pesticide
resistance,
tolerance
overall
stress.
This
particularly
relevant
since
gorging
on
creates
several
challenges
addition
balance.
Xenobiotics
present
or
toxins
produced
by
metabolism
blood;
these
must
neutralized
excreted.
These
processes
not
well
described
at
molecular
level
prolixus.
paper
will
review
involvement
immunity
aspects
tubule
virtue
transcriptome
analysis.
analysis
indicates
potential
mount
robust
innate
immune
response,
contribute
antioxidant
production
heme
detoxification.
Neotropical Entomology,
Journal Year:
2024,
Volume and Issue:
53(4), P. 889 - 906
Published: May 7, 2024
Increased
attention
is
being
focused
on
the
biological
control
of
agricultural
pests
using
microorganisms,
owing
to
their
potential
as
a
viable
substitute
for
chemical
methods.
Insect
cadavers
constitute
source
entomopathogenic
microorganisms.
We
tested
whether
bacteria
and
fungi
isolated
from
Spodoptera
frugiperda
(JE
Smith)
could
affect
its
survival,
development,
egg-laying
pattern,
hatchability,
well
induce
mortality
in
Anthonomus
grandis
Boheman
adults.
Enterobacter
hormaechei
Serratia
marcescens
Scopulariopsis
sp.
Aspergillus
nomiae
fall
armyworm
pest
insects
were
subjected
an
artificial
diet
enriched
with
cells
or
fungal
spores
be
tested,
case
S.
frugiperda,
only
A.
grandis.
pathogenic
affecting
survival
adults
pupae.
The
fungus
does
not
caterpillars
pupae;
however,
due
late
action,
moths
eggs
may
affected.
also
increased
adults,
development
early
stages
exposure
diet,
indicated
by
vertical
spore
transfer
offspring
low
hatchability.
are
biocontrol
agents
these
pests,
warrant
further
investigation
toxicological
point
view
subsequently
field
tests
involving
formulations
that
improve
sustainability
practices.
Toxins,
Journal Year:
2022,
Volume and Issue:
14(6), P. 394 - 394
Published: June 8, 2022
The
silkworm's
Cat
L-like
gene,
which
encodes
a
lysosomal
cathepsin
cysteine
protease,
is
thought
to
be
part
of
the
insect's
innate
immunity
via
an
as-yet-undetermined
mechanism.
Assuming
that
primary
function
microbial
degradation
in
mature
phagosomes,
we
hypothesise
suppression
gene
expression
would
increase
Bacillus
thuringiensis
(Bt)
bacteraemia
and
toxicity
knockdown
insects.
Here,
performed
functional
analysis
larvae
were
fed
mulberry
leaves
contaminated
with
commercial
biopesticide
formulation
based
on
Bt
kurstaki
(Btk)
(i.e.,
Dipel)
investigate
its
role
insect
defence
against
known
entomopathogen.
Exposure
sublethal
doses
Dipel
resulted
overexpression
haemolymph
24
48
h
after
exposure.
RNA
interference
(RNAi)-mediated
significantly
increased
exposed
larvae.
Moreover,
Btk
replication
was
higher
RNAi
insects,
suggesting
may
involved
bacterial
killing
mechanism
haemocytes.
Finally,
our
results
confirm
protease
antimicrobial
insects
suggest
it
could
used
as
target
insecticidal
efficacy
Bt-based
biopesticides.
Frontiers in Insect Science,
Journal Year:
2023,
Volume and Issue:
3
Published: March 30, 2023
Rhodnius
prolixus
,
a
major
vector
of
Chagas
disease,
may
be
considered
the
model
upon
which
foundations
insect
physiology
and
biochemistry
were
built.
It
is
an
obligate
blood
feeder
in
meal
triggers
growth,
development
reproduction.
The
also
post-prandial
diuresis
to
maintain
osmotic
homeostasis.
In
R.
as
with
other
insects,
Malpighian
tubules
play
critical
role
this
diuresis,
much
has
been
learned
about
insects.
But
post-genomic
era
brought
new
insights,
identifying
functions
quite
apart
from
for
tubules.
Indeed,
microarrays,
transcriptomes,
proteomics
have
revealed
roles
that
immunity,
detoxification,
pesticide
resistance,
tolerance
overall
stress.
This
particularly
relevant
since
gorging
on
creates
several
challenges
addition
balance.
Xenobiotics
present
or
toxins
produced
by
metabolism
blood;
these
must
neutralized
excreted.
These
processes
not
well
described
at
molecular
level
prolixus.
paper
will
review
involvement
immunity
aspects
tubule
virtue
transcriptome
analysis.
analysis
indicates
potential
mount
robust
innate
immune
response,
contribute
antioxidant
production
heme
detoxification.
