Colletotrichum associated partitivirus 1 infection negatively modulates the fungal growth of Colletotrichum zoysiae and its virulence to Zoysia matrella
International Turfgrass Society research journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
Abstract
Anthracnose,
caused
by
Colletotrichum
spp.,
is
a
severe
and
devastating
disease
in
turfgrasses.
While
mycoviruses
have
been
identified
several
isolates
from
turfgrasses,
their
effects
on
host
fungal
phenotypes
remain
unclear.
This
study
investigated
the
impact
of
associated
partitivirus
1
(CaPV1)
infection
zoysiae
isolate
MBCT‐264
Zoysia
matrella
.
CaPV1‐infected
virus‐free
C.
isogenic
strains
were
established
through
five
successive
passages
potato
dextrose
agar
(PDA)
with
or
without
virus
polymerase
inhibitor.
Comparative
growth
analysis
PDA
revealed
slower
strain
compared
to
strain.
Inoculation
tests
Z.
leaf
blades
demonstrated
that
CaPV1‐free
produced
larger
lesions
more
pronounced
mycelium
penetration
than
virus‐infected
These
findings
suggest
CaPV1
negatively
affects
both
virulence
,
highlighting
potential
modulating
turfgrass
pathogen
behavior.
Язык: Английский
Fusarium Species Associated with Diseases of Citrus: A Comprehensive Review
Journal of Fungi,
Год журнала:
2025,
Номер
11(4), С. 263 - 263
Опубликована: Март 28, 2025
The
citrus
industry
contributes
to
the
cultivation
of
one
most
important
fruit
crops
globally.
However,
trees
are
susceptible
numerous
Bisifusarium,
Fusarium,
and
Neocosmospora-linked
diseases,
with
dry
root
rot
posing
a
serious
threat
orchards
worldwide.
These
infections
exacerbated
by
biotic
abiotic
stresses,
leading
increased
disease
incidence.
Healthy
unexpectedly
wilt
fall,
exhibiting
symptoms
such
as
chlorosis,
dieback,
necrotic
roots,
rot,
wood
discolouration,
eventual
decline.
Research
indicates
that
is
caused
complex
species
from
Nectriaceae
family,
Neocosmospora
solani
being
prominent.
To
improve
treatment
management
strategies,
further
studies
needed
definitively
identify
these
phytopathogens
understand
conditions
factors
associated
Neocosmospora-related
diseases
in
citrus.
This
review
focuses
on
epidemiology
symptomatology
Fusarium
species,
recent
advances
molecular
techniques
for
accurate
phytopathogen
identification,
mechanisms
pathogenicity
resistance
underlying
Neocosmospora-citrus
interactions.
Additionally,
highlights
novel
alternative
methods,
including
biological
control
agents,
promote
environmentally
friendly
sustainable
agricultural
practices.
Язык: Английский
A biocontrol perspective on mycoviruses in fungal pathogen management
Journal of Plant Diseases and Protection,
Год журнала:
2024,
Номер
132(1)
Опубликована: Дек. 19, 2024
Abstract
Mycoviruses,
viruses
that
infect
fungi,
have
been
identified
across
nearly
every
fungal
taxon.
Despite
their
widespread
presence,
the
ecological
effects
of
mycoviruses
remain
poorly
understood.
They
can
influence
biology
hosts
in
various
ways,
including
altering
growth,
reproduction,
and
pathogenicity.
Their
ability
to
induce
either
hyper-
or
hypovirulence
thus
regulate
general
fitness
by
increasing
aggressiveness
or,
conversely,
extreme
cases,
converting
harmful
fungi
into
beneficial
ones,
has
attracted
attention
recent
years
as
a
potential
means
protecting
plants
from
diseases
pests.
Increasing
difficulties
controlling
diseases,
pests
weeds
with
synthetic
chemical
pesticides,
exacerbated
emergence
resistance
tolerance
certain
active
ingredients,
stricter
regulatory
requirements
due
environmental
health
concerns,
stimulated
interest
alternative
approaches.
In
parallel
introduction
double-stranded
(ds)RNA-based
products
for
crop
protection
fundamental
knowledge
generated
this
field
years,
use
control
pathogenic
appears
be
within
reach.
This
review
highlights
advances
emphasizes
biological
agents
(BCAs),
emphasis
on
utilization
mycovirus-induced
cause
plant
hypervirulence
protect
such
insect
weeds.
Язык: Английский
Mycoviruses from Aspergillus fungi involved in fermentation of dried bonito
Virus Research,
Год журнала:
2024,
Номер
unknown, С. 199470 - 199470
Опубликована: Окт. 1, 2024
Fungi
are
exploited
for
fermentation
of
foods
such
as
cheese,
Japanese
sake,
and
soy
sauce.
However,
the
diversity
viruses
that
infect
fungi
involved
in
food
is
poorly
understood.
Fermented
dried
bonito
("katsuobushi")
one
most
important
processed
marine
products
Japan.
katsuobushi
called
molds,
Aspergillus
spp.
have
been
reported
to
be
dominant
on
surface
during
fermentation.
Because
various
mycoviruses
found
members
genus
Aspergillus,
we
hypothesized
molds
also
infected
with
mycoviruses.
Here,
describe
seven
novel
belonging
six
families
(Chrysoviridae,
Fusariviridae,
Mitoviridae,
Partitiviridae,
Polymycoviridae,
Pseudototiviridae)
from
isolated
(Aspergillus
chevalieri
A.
sulphureus)
detected
by
fragmented
primer-ligated
double-stranded
RNA
sequencing.
fusarivirus
1
has
a
unique
bi-segmented
genome,
whereas
other
known
fusariviruses
single
genomic
segment.
Phenotypic
comparison
between
parental
strain
polymycovirus
(AchPmV1)
isogenic
AchPmV1-free
isolates
indicated
AchPmV1
inhibits
early
growth
host.
This
study
reveals
provides
insight
into
effect
Язык: Английский