Animals,
Год журнала:
2025,
Номер
15(2), С. 186 - 186
Опубликована: Янв. 11, 2025
This
study
is
the
first
to
report
Blastocystis
sp.
in
dairy
cattle
from
Terceira
Island,
part
of
Azores
Archipelago.
an
enteric
protozoan
with
high
genetic
diversity
and
associated
both
zoonotic
non-zoonotic
subtypes
(STs).
The
present
survey
aimed
fill
gap
knowledge
regarding
occurrence
characterization
isolates
Holstein-Friesian
this
geographical
area.
A
total
116
stool
samples
were
thus
collected
cows,
DNA
was
detected
using
qPCR.
results
revealed
a
14.7%
rate
(17/116),
seven
STs
identified
including
ST3,
ST5,
ST7,
ST10,
ST14,
ST25,
ST42,
variable
frequency.
Some
these
(ST5,
ST14)
are
potentially
zoonotic,
underscoring
their
potential
public
health
significance.
However,
low
frequency
animal
cohort
possibly
attributed
extensive
grazing
system
practiced
on
Island
limited
presence
isolates,
suggests
minimal
risk
transmission
humans.
highlights
importance
further
research
dynamics
sp.,
particularly
regions
varying
farming
practices,
better
understand
its
epidemiology
potential.
Acta Tropica,
Год журнала:
2024,
Номер
258, С. 107353 - 107353
Опубликована: Авг. 8, 2024
Blastocystis
is
one
of
the
most
common
zoonotic
intestinal
protozoa
with
global
distribution
and
can
cause
gastrointestinal
syndrome
mainly
characterized
by
diarrhea.
School
children
are
main
susceptible
population.
No
epidemiological
data
on
among
school
in
Hainan,
only
tropical
island
province
China.
Between
March
2021
June
2023,
1973
fecal
samples
were
collected
from
across
three
regions
Hainan
province.
was
examined
amplifying
small
subunit
ribosomal
RNA
(SSU
rRNA)
gene
via
polymerase
chain
reaction
(PCR),
subtypes
identified
through
DNA
sequencing
phylogenetic
analysis.
The
overall
prevalence
7.3
%
(144/1973).
differences
infection
rates
different
regions,
nationalities,
educational
stages
statistically
significant
(P
<
0.001).
Five
identified,
which
ST3
dominant
subtype
(60.4
%;
87/144),
followed
ST1
(27.8
40/144),
ST7
(10.4
15/144),
ST6
(0.7
1/144),
ST2
1/144).
42
known
sequences
15
novel
including
eight
new
variations
(ST1-16∼ST1-23)
similarities
ranging
98.3
to
99.78
seven
(ST7-7∼ST7-13)
97.7
99.79
intra-subtype
genetic
polymorphisms
results
evaluate
public
health
risks
sources
discussed,
providing
important
basic
for
effective
prevention
control
parasitic
diseases
Hainan.
Open Research Europe,
Год журнала:
2025,
Номер
5, С. 15 - 15
Опубликована: Янв. 20, 2025
Blastocystis,
a
common
protist
in
the
human
gastrointestinal
tract,
exhibits
substantial
genetic
diversity
and
has
been
linked
to
varying
clinical
outcomes.
However,
its
role
health
remains
debated,
with
studies
suggesting
both
commensal
pathogenic
interactions.
This
scoping
review
aims
systematically
map
existing
evidence
on
association
between
Blastocystis
presence
Herein,
we
present
our
proposed
protocol,
where,
using
systematic
search
methods,
will
be
identified
from
multiple
databases,
focusing
diagnostic
procedures,
outcomes,
treatment
options.
Findings
provide
comprehensive
map,
highlighting
knowledge
gaps
guiding
future
research.
The
resulting
data
is
intended
inform
public
perspectives
potential
implications
for
health.
Current Research in Microbial Sciences,
Год журнала:
2025,
Номер
8, С. 100349 - 100349
Опубликована: Янв. 1, 2025
Blastocystis
sp.
is
frequently
identified
in
humans
and
several
animal
hosts
exhibiting
a
wide
genetic
diversity.
Within
One
Health
perspective,
data
on
distribution
its
circulating
subtypes
(STs)
from
the
terrestrial
environment
are
available,
while
those
marine
remain
still
scare.
A
16S
rRNA
gene
sequencing
analysis
were
conducted
over
period
2022-2024
by
screening
fecal
samples
four
different
species
of
free-ranging
mammals
(sperm,
fin,
long-finned
pilot
Cuvier's
beaked
whales)
within
North-Western
Mediterranean
Sea.
10
out
43
(23.2
%)
found
positive
to
using
molecular
tools.
predominance
zoonotic
subtype
ST3
among
as
well
presence
ST1
allele
4
even
untypable
fin
whale
specimen
was
reported.
Moreover,
Firmicutes,
Bacteroidetes
Proteobacteria
Blastocystis-carrier
mammal
identification
Archaebacteria
Methanomethylophilaceae
family
isolate
detected
Illumina
V3-V4
generated
data.
The
present
survey
presents
new
insights
regarding
prevalence
ST1-ST3
environment,
associated
gut
microbiome,
providing
hence
baseline
for
better
understanding
risk
prevent
human
ecosystem
exposure
these
anthropogenic
microorganisms.
Pathogens,
Год журнала:
2025,
Номер
14(2), С. 139 - 139
Опубликована: Фев. 3, 2025
Blastocystis
is
a
common
intestinal
protist
with
global
distribution,
frequently
found
in
humans
and
various
animals.
Despite
its
prevalence,
role
human
health
remains
debated,
oscillating
between
being
harmless
commensal
potential
pathogen.
It
has
also
been
associated
gastrointestinal
disorders
such
as
irritable
bowel
syndrome
(IBS)
inflammatory
disease
(IBD).
In
Italy,
the
genetic
spatial
diversity
of
understudied,
despite
country’s
diverse
urbanized
environmental
landscapes.
This
study
investigates
haplotypic
clinical
isolates
across
two
different
Italian
regions,
an
emphasis
on
subtype
distribution
variation.
Using
network-based
haplotype
analysis,
reveals
heterogeneous
ST4
(47.3%)
most
prevalent,
followed
by
ST3
(20%),
ST1
(16.4%),
ST2
(12.7%),
ST6
(1.8%)
ST7
(1.8%).
The
overall
infection
rate
detected
from
symptomatic
patients
9.75%.
Notably,
shows
limited
variation,
suggesting
more
stable
population
structure
that
potentially
linked
to
human-adapted
lineage.
contrast,
exhibit
greater
diversity,
likely
due
ongoing
zoonotic
transmission.
These
findings
enhance
our
understanding
epidemiology
Italy
underscore
need
for
further
research
pathogenic
transmission
dynamics.
Blastocystis
sp.
is
a
zoonotic
intestinal
protozoan
that
ubiquitous
globally,
residing
in
the
gastrointestinal
tracts
of
both
humans
and
various
animals.
In
present
study,
PCR-sequencing
tool
based
on
SSU
rRNA
gene
was
employed
to
investigate
prevalence
subtypes
spp.
204
fresh
fecal
samples
collected
from
20
captive
wildlife
species
bird
park
Henan
Province,
Central
China.
Overall,
13.73%
(28
out
204)
25%
(5
20)
species.
A
total
four
were
found:
ST1,
ST3,
ST5,
ST27,
with
latter
being
most
prevalent,
accounting
for
35.71%
(10
28)
5
positive
To
best
our
knowledge,
this
first
report
ST27
birds
China,
namely
bar-headed
goose
(
Anser
indicus)
peafowl
Pavo
muticus
).
The
data
suggest
wildlife,
particularly
those
parks,
may
frequently
be
infected
pathogen.
Consequently,
these
animals
serve
as
potential
reservoirs
infections
humans.
