International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(20), P. 10901 - 10901
Published: Oct. 9, 2021
Chagas
disease
is
a
human
infectious
caused
by
Trypanosoma
cruzi
and
can
be
transmitted
triatomine
vectors,
such
as
Rhodnius
prolixus.
One
limiting
factor
for
T.
development
the
composition
of
bacterial
gut
microbiota
in
triatomine.
Herein,
we
analyzed
humoral
immune
responses
R.
prolixus
nymphs
treated
with
antibiotics
subsequently
recolonized
either
Serratia
marcescens
or
Rhodococcus
rhodnii.
The
treatment
reduced
load
digestive
tract,
recolonization
each
bacterium
was
successfully
detected
seven
days
after
treatment.
antibiotic-treated
insects,
S.
marcescens,
presented
antibacterial
activity
against
Staphylococcus
aureus
phenoloxidase
hemolymph,
lower
nitric
oxide
synthase
(NOS)
higher
defensin
C
gene
(DefC)
expression
fat
body.
These
insects
also
DefC,
prolixicin
(Prol),
NOS
levels
anterior
midgut.
However,
rhodnii
had
increased
Escherichia
coli
aureus,
In
midgut,
these
NOS,
A
(DefA)
DefC
expression,
Prol
expression.
modulation
two
bacteria
observed
not
only
but
systemically
body,
may
crucial
transmission
parasites
rangeli.
Microorganisms,
Journal Year:
2021,
Volume and Issue:
9(2), P. 464 - 464
Published: Feb. 23, 2021
The
stinkbugs
of
the
infraorder
Pentatomomorpha
are
a
group
important
plant
sap-feeding
insects,
which
host
diverse
microorganisms.
Some
located
in
their
complex
morphological
midgut
compartments,
while
some
within
specialized
bacteriomes
insect
hosts.
This
perpetuation
symbioses
through
generations
is
reinforced
via
routes
vertical
transmission
or
environmental
acquisition
symbionts.
These
symbiotic
partners,
reside
either
extracellular
associations
intracellular
cells,
not
only
have
contributed
nutritional
benefits
to
hosts
but
also
shaped
ecological
and
evolutionary
basis.
gut
microbe
present
valuable
model
that
provides
insights
into
interactions
between
agricultural
insects
microorganisms
may
become
potential
agents
for
pest
management.
Medical and Veterinary Entomology,
Journal Year:
2024,
Volume and Issue:
38(3), P. 253 - 268
Published: April 23, 2024
Triatomines
(kissing
bugs)
and
tsetse
flies
(genus:
Glossina)
are
natural
vectors
of
Trypanosoma
cruzi
brucei,
respectively.
T.
is
the
causative
agent
Chagas
disease,
endemic
in
Latin
America,
while
brucei
causes
African
sleeping
sickness
disease
sub-Saharan
Africa.
Both
triatomines
host
to
a
diverse
community
gut
microbiota
that
co-exist
with
parasites
gut.
Evidence
has
shown
both
plays
key
role
parasite
development
transmission.
However,
knowledge
on
mechanism
involved
parasite-microbiota
interaction
remains
limited
scanty.
Here,
we
attempt
analyse
spp.
interactions
triatomines,
focus
understanding
possible
mechanisms
by
reviewing
published
articles
subject.
We
report
between
can
be
direct
indirect.
In
interactions,
directly
affects
via
formation
biofilms
production
anti-parasitic
molecules,
other
hand,
produces
antimicrobial
proteins
regulate
vector.
indirect
bacteria
affect
each
through
vector-activated
processes
such
as
immunity
metabolism.
Although
beginning
understand
how
interacts
parasites,
there
still
need
for
further
studies
functional
maximize
use
symbiotic
vector
control.
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2022,
Volume and Issue:
12
Published: Nov. 16, 2022
I.
ricinus
is
an
obligate
hematophagous
parasitic
arthropod
that
responsible
for
the
transmission
of
a
wide
range
zoonotic
pathogens
including
spirochetes
genus
Borrelia,
Rickettsia
spp.,
C.
burnetii
,
Anaplasma
phagocytophilum
and
Francisella
tularensis
which
are
part
tick´s
microbiome.
Most
studies
focus
on
“pathogens”
only
very
few
elucidate
role
“non-pathogenic”
symbiotic
microorganisms
in
.
While
most
members
microbiome
leading
intracellular
lifestyle,
they
able
to
complement
nutrition
stress
response
having
great
impact
survival
pathogens.
The
composition
not
consistent
can
be
tied
environment,
tick
species,
developmental
stage,
or
specific
organ
tissue.
Ovarian
tissue
harbors
stable
consisting
mainly
but
exclusively
endosymbiotic
bacteria,
while
digestive
system
rather
unstable,
together
with
salivary
glands,
mostly
comprised
prevalent
endosymbionts
found
ticks
Ricketsiella
Coxiella
-like
endosymbionts,
Spiroplasma
spp.
Candidatus
Midichloria
Since
modify
ticks’
behavior,
such
as
mobility,
feeding
saliva
production,
results
increased
rates,
we
aimed
potential,
tight
relationship,
interaction
between
bacteria
Here
show
provide
different
types
vitamin
B
(B2,
B6,
B7,
B9)
essential
eukaryotic
organisms.
Furthermore,
hypothesize
Wolbachia
bacterial
pathogen
A.
supported
by
itself
since
coinfection
ixodetis
provides
complete
metabolic
pathway
folate
biosynthesis
necessary
DNA
synthesis
cell
division.
Manipulation
could
present
perspective
way
control
regulation
spread
emerging
Frontiers in Arachnid Science,
Journal Year:
2023,
Volume and Issue:
2
Published: Dec. 4, 2023
Vector-borne
diseases
(VBDs)
pose
significant
global
health
threats.
The
microbiota
of
arthropod
vectors
influences
their
fitness
and
pathogen
acquisition
and/or
transmission.
Here,
we
review
the
intricate
interplay
among
immune
system,
microbiota,
pathogens
that
limits
or
favors
infection.
We
focused
on
most
important
vectors,
namely
mosquitos,
phlebotomines,
tsetse
flies,
triatomines,
ticks,
expanded
our
analysis
to
include
nonvector
model
Drosophila
melanogaster
for
comparison.
system
are
targets
development
promising
control
strategies,
such
as
paratransgenesis
anti‐microbiota
vaccines.
Further
research
should
focus
elucidating
underlying
mechanisms
vector–pathogen–microbiota
interactions
optimizing
anti-microbiota
strategies.
These
approaches
have
potential
combat
VBDs
reduce
impact.
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(20), P. 10901 - 10901
Published: Oct. 9, 2021
Chagas
disease
is
a
human
infectious
caused
by
Trypanosoma
cruzi
and
can
be
transmitted
triatomine
vectors,
such
as
Rhodnius
prolixus.
One
limiting
factor
for
T.
development
the
composition
of
bacterial
gut
microbiota
in
triatomine.
Herein,
we
analyzed
humoral
immune
responses
R.
prolixus
nymphs
treated
with
antibiotics
subsequently
recolonized
either
Serratia
marcescens
or
Rhodococcus
rhodnii.
The
treatment
reduced
load
digestive
tract,
recolonization
each
bacterium
was
successfully
detected
seven
days
after
treatment.
antibiotic-treated
insects,
S.
marcescens,
presented
antibacterial
activity
against
Staphylococcus
aureus
phenoloxidase
hemolymph,
lower
nitric
oxide
synthase
(NOS)
higher
defensin
C
gene
(DefC)
expression
fat
body.
These
insects
also
DefC,
prolixicin
(Prol),
NOS
levels
anterior
midgut.
However,
rhodnii
had
increased
Escherichia
coli
aureus,
In
midgut,
these
NOS,
A
(DefA)
DefC
expression,
Prol
expression.
modulation
two
bacteria
observed
not
only
but
systemically
body,
may
crucial
transmission
parasites
rangeli.