High Diversity and Prevalence of Rickettsial Agents in Rhipicephalus microplus Ticks from Livestock in Karst Landscapes of Southwest China
Microorganisms,
Год журнала:
2025,
Номер
13(4), С. 765 - 765
Опубликована: Март 27, 2025
Ticks
and
tick-borne
pathogens
pose
a
significant
threat
to
human
animal
health,
yet
the
diversity
prevalence
of
microorganisms
in
karst
regions
remains
inadequately
explored.
In
October
2023,
total
274
Rhipicephalus
microplus
ticks
were
collected
from
livestock
Guizhou
Province,
which
boasts
largest
area
China.
Pathogen
identification
was
subsequently
performed
using
PCR
amplification,
Sanger
sequencing,
phylogenetic
analysis.
High
microbial
noted,
with
five
bacterial
species
order
Rickettsiales
detected,
including
those
genera
Rickettsia
(family
Rickettsiaceae),
Anaplasma,
Ehrlichia
Anaplasmataceae).
The
overall
infection
at
least
one
pathogen
remarkably
high
94.5%.
highest
positive
rate
observed
for
Candidatus
jingxinensis
90.9%.
A
novel
species,
provisionally
designated
as
carsus,
identified
16.8%.
addition,
Anaplasma
marginale,
Ehrlchia
minasensis
canis
detected
15.3%,
4.7%
1.5%,
respectively.
co-infections
involving
two
or
three
rickettsial
34.3%
ticks.
These
findings
highlight
agents
area,
underscoring
need
enhanced
surveillance
effective
tick
control
mitigate
disease
risks
both
humans
livestock.
Язык: Английский
Molecular phylogeny and morphology reveal four novel species in Cordycipitaceae in China
MycoKeys,
Год журнала:
2025,
Номер
116, С. 91 - 124
Опубликована: Апрель 9, 2025
Cordycipitaceae
is
a
well-known
family
in
Hypocreales,
comprising
numerous
arthropod-pathogenic
species.
Many
taxa
this
have
been
identified
and
described
through
integrated
morphological
molecular
analyses.
In
study,
phylogenetic
analyses
using
nrLSU,
ITS,
nrSSU,
3P_TEF,
rpb1,
rpb2
revealed
new
species,
Pleurodesmosporasanduensis,
collection
of
Akanthomycesbaishanensis.
Additionally,
concatenated
5P_TEF+3P_TEF+rpb1+MCM7
dataset
was
employed
to
clarify
interspecific
relationships
within
Samsoniella,
identifying
three
species:
Samsoniellalurida,
S.subasiatica,
S.torquatistipitata.
Detailed
descriptions
illustrations
are
provided
for
each
studied
Язык: Английский