Parasite,
Journal Year:
2024,
Volume and Issue:
31, P. 49 - 49
Published: Jan. 1, 2024
Tick-borne
Apicomplexa
encompass
a
group
of
parasites
responsible
for
significant
medical
and
veterinary
diseases,
including
babesiosis,
theileriosis,
hepatozoonosis.
In
this
study,
we
investigated
the
presence
diversity
tick-borne
in
wildlife
ticks
inhabiting
Amazon
rainforests
French
Guiana.
To
end,
conducted
molecular
screening
typing
using
18S
rRNA
sequences
on
collection
1161
specimens
belonging
to
71
species,
44
species
wild
mammals,
five
passerines,
22
ticks.
We
characterized
eight
genovariants
Babesia,
Theileria,
Hemolivia,
Hepatozoon
parasites,
some
matching
known
while
others
suggested
potential
novel
species.
These
were
detected
opossums,
sloths,
armadillos,
porcupines,
margays,
greater
grisons,
ticks,
but
not
passerines.
Finally,
similarities
with
surveys
Brazil
highlight
specific
sylvatic
transmission
cycles
South
American
Apicomplexa.
Parasitology Research,
Journal Year:
2025,
Volume and Issue:
124(2)
Published: Feb. 1, 2025
The
order
Piroplasmida
(e.g.,
Babesia,
Theileria,
Cytauxzoon,
and
Rangelia)
suborder
Adelorina
Hepatozoon)
comprise
protozoa
of
the
phylum
Apicomplexa,
which
are
related
to
significant
economic,
veterinary,
medical
concerns.
This
study
aimed
investigate
molecular
occurrence
evaluate
phylogenetic
placement
Hepatozoon
agents
in
small
mammals
(rodents
marsupials)
midwestern
Brazil.
maximum
likelihood
inference
positioned
18S
ribosomal
RNA
(18S
rRNA)
sequences
obtained
from
Hylaeamys
megacephalus
with
those
previously
detected
Didelphis
aurita
Brazil;
however,
retrieved
Nectomys
rattus
Neacomys
amoenus
clustered
a
sub-clade
sister
clade
rodents
Phylogenetic
piroplasmid
rRNA
Thrichomys
pachyurus
single
containing
Phyllostomidae
bat
Phyllostomus
discolor
In
contrast,
cytochrome
b
mitochondrial
gene
(cytB)
T.
into
clade.
conclusion,
new
host
record
is
provided
for
spp.
rodent
N.
amoenus.
Furthermore,
this
expanded
diversity
by
identifying
novel
genotypes
rodents,
were
genetically
found
Neotropical
bats
named
herein
"South
American
Rodentia
group."
Journal of Parasitology,
Journal Year:
2024,
Volume and Issue:
110(6)
Published: Nov. 15, 2024
Hepatozoon
sp.
stages
were
detected
in
histological
sections
of
the
muscles
11
25
bobcats
(Lynx
rufus).
Parasites
from
myocardium
11,
tongues
4,
and
limb
5
these
animals,
which
had
been
hunted
Mississippi
2017.
The
intensity
infection
was
highest
heart.
Only
asexual
(meronts)
detected.
Three
types
meronts
(types
1,
2,
3)
detected,
based
on
structure
mode
division.
Additionally,
individual
zoites
found
leukocytes
blood
vessels
myocardium,
but
stage
not
identified.
Based
genomic
DNA
characterized
paraffin-embedded
1
bobcat
using
18S
rRNA
gene,
species
related
to
distinct
other
spp.
felids.
This
is
first
description
development
bobcats.
A
new
name,
rufi,
proposed
for
this
parasite
