Journal of Fungi,
Journal Year:
2024,
Volume and Issue:
11(1), P. 8 - 8
Published: Dec. 26, 2024
Fungal
biota
represents
important
constituents
of
phyllosphere
microorganisms.
It
is
taxonomically
highly
diverse
and
influences
plant
physiology,
metabolism
health.
Members
the
order
Diaporthales
are
distributed
worldwide
include
devastating
pathogens
as
well
endophytes
saprophytes.
However,
many
species
remain
uncharacterized,
with
studies
examining
their
diversity
needed.
Here,
we
report
on
identification
several
diaporthalean
taxa
samples
collected
from
diseased
leaves
Cinnamomum
camphora
(Lauraceae),
Castanopsis
fordii
(Fagaceae)
Schima
superba
(Theaceae)
in
Fujian
province,
China.
Based
morphological
features
coupled
to
multigene
phylogenetic
analyses
internal
transcribed
spacer
(ITS)
region,
large
subunit
nuclear
ribosomal
RNA
(LSU),
partial
beta-tubulin
(tub2),
histone
H3
(his3),
DNA-directed
polymerase
II
(rpb2),
translation
elongation
factor
1-α
(tef1)
calmodulin
(cal)
genes,
three
new
introduced,
namely,
Diaporthe
wuyishanensis,
Gnomoniopsis
wuyishanensis
Paratubakia
schimae.
This
study
contributes
our
understanding
biodiversity
fungi
that
inhabitants
trees
native
Asia.
Biology,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1006 - 1006
Published: Dec. 2, 2024
Pathogen-induced
fruit
decay
is
a
significant
threat
to
the
kiwifruit
industry,
leading
considerable
economic
losses
annually.
The
cell-wall-degrading
enzymes
(CWDEs)
secreted
by
these
pathogens
are
crucial
for
penetrating
cell
wall
and
accessing
nutrients.
Among
them,
Diaporthe
species
recognized
as
major
causal
agents
of
soft
rot
in
kiwifruit,
yet
their
pathogenic
mechanisms
not
well
understood.
In
this
study,
we
explored
production
various
CWDEs
Z1-1N,
including
polygalacturonase
(PG),
polymethylgalacturonase
(PMG),
polygalacturonic
acid
transeliminase
(PGTE),
pectin
methyltranseliminase
(PMTE),
endoglucanase
(Cx),
β-glucosidase
(β-glu),
both
liquid
cultures
within
infected
tissues.
Our
findings
revealed
activities
two
pectinases
(PG
PMG)
cellulases
(Cx
β-glu)
contrast,
very
low
levels
PMTE
PGTE
were
observed
under
same
conditions.
When
orange
served
carbon
source,
PG
PMG
showed
notable
activities,
while
remained
inactive.
Moreover,
Cx
β-glu
significantly
decreased
more
than
63
times
medium
with
carboxymethyl
cellulose
(CMC)
source
compared
kiwifruit.
A
further
analysis
indicated
that
necrotic
lesions
produced
pectinase
extracts
larger
those
cellulase
extracts.
Notably,
four
enzymes—PG,
PMG,
Cx,
β-glu—exhibited
high
on
third
or
fourth
day
post-infection
Z1-1N.
These
results
suggest
Z1-1N
secretes
range
contribute
enhancing
PG,
β-glu.
This
study
sheds
light
pathogenicity
highlights
importance
process.
Mycobiology,
Journal Year:
2024,
Volume and Issue:
52(6), P. 477 - 485
Published: Nov. 1, 2024
Endophytic
fungi
associated
with
four
plant
species
in
Korea
were
isolated
and
characterized
using
morphological
molecular
analyses.
Phylogenetic
analyses
of
the
internal
transcribed
spacer
(ITS)
region,
β-tubulin
(TUB)
gene,
translation
elongation
factor
1-α
(EF1-α)
gene
revealed
previously
unrecorded
Diaporthe
Korea:
D.
caryae,
phoenicicola,
stewartii,
unshiuensis.
Detailed
descriptions
colony
morphology
conidial
characteristics
are
provided
for
each
species.
This
study
expands
our
knowledge
diversity
distribution
endophytic
highlights
importance
these
ecosystem.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 30, 2024
Species
determination
in
the
Amidella
clade
is
notoriously
difficult,
because
of
relative
dearth
diagnostic
characters
and
rather
common
occurrence
homoplasies.
This
results
a
substantial
number
misnamed
unnamed
collections,
misapprehension
geographic
range
known
species,
gross
underestimation
species
it
contains.
To
assess
diversity
that
should
be
considered
as
part
Amidella,
DNA
sequences
available
for
this
group
were
retrieved
public
nucleotide
databases,
using
combination
approaches
to
achieve
comprehensive
representation.
Phylogenetic
analysis
based
on
aligned
ITS
sequences,
consistently
with
from
other
molecular
markers
(ncLSU,
RPB2,
TEF1,
BTUB),
suggests
five
major
clades:
one
containing
type
Amanita
volvata,
another
ponderosa
allies,
third
(roughly
half
all
species)
lepiotoides,
two
others
without
valid
yet.
At
level,
around
81
clades
delimited,
which
only
16-17
can
assigned
name,
few
more
corresponding
provisional
taxa
listed
amanitaceae.org
website.
Up
three
further
might
correspond
proposed
clades.
The
current
evidence
narrow
most
these
study
provides
phylogeny-arranged
outlook
worldwide
distribution
an
infrasectional
framework
optimizing
taxonomic
sampling
designing
clade-specific
assist
identification.
Journal of Fungi,
Journal Year:
2024,
Volume and Issue:
11(1), P. 8 - 8
Published: Dec. 26, 2024
Fungal
biota
represents
important
constituents
of
phyllosphere
microorganisms.
It
is
taxonomically
highly
diverse
and
influences
plant
physiology,
metabolism
health.
Members
the
order
Diaporthales
are
distributed
worldwide
include
devastating
pathogens
as
well
endophytes
saprophytes.
However,
many
species
remain
uncharacterized,
with
studies
examining
their
diversity
needed.
Here,
we
report
on
identification
several
diaporthalean
taxa
samples
collected
from
diseased
leaves
Cinnamomum
camphora
(Lauraceae),
Castanopsis
fordii
(Fagaceae)
Schima
superba
(Theaceae)
in
Fujian
province,
China.
Based
morphological
features
coupled
to
multigene
phylogenetic
analyses
internal
transcribed
spacer
(ITS)
region,
large
subunit
nuclear
ribosomal
RNA
(LSU),
partial
beta-tubulin
(tub2),
histone
H3
(his3),
DNA-directed
polymerase
II
(rpb2),
translation
elongation
factor
1-α
(tef1)
calmodulin
(cal)
genes,
three
new
introduced,
namely,
Diaporthe
wuyishanensis,
Gnomoniopsis
wuyishanensis
Paratubakia
schimae.
This
study
contributes
our
understanding
biodiversity
fungi
that
inhabitants
trees
native
Asia.
