Plant Pathology,
Год журнала:
2023,
Номер
72(9), С. 1687 - 1698
Опубликована: Июль 28, 2023
Abstract
The
bacterial
leaf
spot
of
Primula
vulgaris
was
reported
from
forest
locations
in
Mazandaran
province,
Iran
1995.
causative
bacterium
initially
identified
as
Xanthomonas
campestris
based
on
sequences
ITS
and
16S
rRNA
regions.
On
the
basis
gyrB
dnaK
housekeeping
genes,
isolates
resembled
strains
hortorum
.
present
study
performed
to
clarify
taxonomic
status
incitant
bacterium.
Samples
P
with
symptoms
were
collected
Darabkola
(Mazandaran
province)
isolated
plates
glucose
nutrient
agar.
Some
only
induced
hypersensitive
reaction
geranium
(
Pelargonium
×
)
leaves
but
a
few
incited
when
inoculated
,
heterochroma
polyantha
plants.
Gram
stain,
oxidase
urease
negative
positive
tests
for
catalase
hydrolysis
gelatin,
aesculin
Tween
80.
Several
unique
nonpathogenic
recovered
varying
carbon
source
utilization
profiles
different
molecular
features,
including
distinct
ERIC‐PCR
profiles.
Representative
rpoD
fyuA
genes
amplified
by
PCR
sequenced
comparison
species
GenBank
database
using
maximum‐likelihood,
maximum‐parsimony
Bayesian
algorithms
construct
phylogenetic
trees.
pathogenic
closely
related
X.
pathovars.
Therefore,
it
is
likely
that
these
belong
new
pathovar
X
Based
previous
studies
our
findings,
we
propose
naming
strain
causing
primrose
pv.
primulicola
Molecular Plant Pathology,
Год журнала:
2022,
Номер
23(5), С. 597 - 621
Опубликована: Янв. 23, 2022
Bacteria;
Phylum
Proteobacteria;
Class
Gammaproteobacteria;
Order
Lysobacterales
(earlier
synonym
of
Xanthomonadales);
Family
Lysobacteraceae
Xanthomonadaceae);
Genus
Xanthomonas;
Species
X.
hortorum;
Pathovars:
pv.
carotae,
vitians,
hederae,
pelargonii,
taraxaci,
cynarae,
and
gardneri.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,
Год журнала:
2022,
Номер
72(6)
Опубликована: Июнь 9, 2022
The
genus
Xanthomonas
contains
a
set
of
diverse
bacterial
strains,
most
which
are
known
for
their
pathogenicity
on
annual
crops
and
fruit
trees
causing
economically
important
plant
diseases.
Recently,
five
strains
were
isolated
from
Agrobacterium-induced
crown
gall
tissues
amaranth
(Amaranthus
sp.)
weeping
fig
(Ficus
benjamina)
plants
in
Iran.
Phenotypic
characteristics
(i.e.
biochemical
tests
features)
whole
genome
sequence-based
core-genome
phylogeny
followed
by
average
nucleotide
identity
digital
DNA-DNA
hybridization
calculations
suggested
that
these
gall-associated
belong
to
two
new
species
within
the
Xanthomonas.
In
this
study,
we
provide
formal
description
where
bonasiae
sp.
nov.
is
proposed
with
FX4T
(=CFBP
8703T=DSM
112530T)
as
type
strain.
name
youngii
AmX2T
8902T=DSM
112529T)
Microbiology Spectrum,
Год журнала:
2022,
Номер
10(1)
Опубликована: Фев. 2, 2022
Tumorigenic
agrobacteria—members
of
the
bacterial
family
Rhizobiaceae
—cause
crown
gall
and
hairy
root
diseases
on
a
broad
range
plant
species.
These
bacteria
are
responsible
for
economic
losses
in
nurseries
important
fruit
trees
ornamental
plants.
The
successful
infection
of
a
host
plant
by
phytopathogenic
bacterium
depends
on
finely
tuned
molecular
cross
talk
between
the
two
partners.
Thanks
to
transposon
insertion
sequencing
techniques
(Tn-seq),
whole
genomes
can
now
be
assessed
determine
which
genes
are
important
for
fitness
several
plant-associated
bacteria
Applied and Environmental Microbiology,
Год журнала:
2022,
Номер
88(22)
Опубликована: Окт. 31, 2022
Bacterial
spot
disease
caused
by
Xanthomonas
species
devastates
tomato
production
worldwide.
Salmonellosis
outbreaks
from
consumption
of
raw
produce
have
been
linked
to
the
arrival
Salmonella
enterica
on
crop
plants
in
field
via
contaminated
irrigation
water.
Phytopathology,
Год журнала:
2022,
Номер
112(8), С. 1630 - 1639
Опубликована: Фев. 23, 2022
Xanthomonas
arboricola
comprises
a
number
of
economically
important
fruit
tree
pathogens
classified
within
different
pathovars.
Dozens
nonpathogenic
and
taxonomically
unvalidated
strains
are
also
designated
as
X.
arboricola,
leading
to
complicated
taxonomic
status
in
the
species.
In
this
study,
we
have
evaluated
whole-genome
resources
all
available
spp.
public
databases
refine
members
species
based
on
DNA
similarity
indexes
core
genome-based
phylogeny.
Our
results
show
that,
nine
validly
described
pathovars
pathotype
seven
genuine,
belonging
clade
regardless
their
pathogenicity
host
isolation
(thus
validity
pathovar
status).
However,
pv.
guizotiae
populi
do
not
belong
because
low
similarities
between
type
strain
these
two
Thus,
propose
elevate
rank
sp.
nov.
with
CFBP
7408T
populina
3123T.
addition,
other
mislabeled
were
scattered
that
previously
or
represent
novel
await
formal
description.
Access Microbiology,
Год журнала:
2023,
Номер
5(7)
Опубликована: Июль 1, 2023
Here
we
report
draft-quality
genome
sequences
for
pathotype
strains
of
eight
plant-pathogenic
bacterial
pathovars:
Xanthomonas
campestris
pv.
asclepiadis,
X.
cannae,
esculenti,
nigromaculans,
parthenii,
phormiicola,
zinniae
and
dyei
eucalypti
(=
eucalypti).
We
also
sequenced
the
type
strain
species
melonis
unclassified
NCPPB
1067.
These
data
will
be
useful
phylogenomic
taxonomic
studies,
filling
some
important
gaps
in
sequence
coverage
phylogenetic
diversity.
include
representatives
previously
under-sequenced
pathovars
species-level
clades.
Furthermore,
these
may
elucidating
molecular
basis
phenotypes,
such
as
biosynthesis
coronatine-related
toxins
degradation
fungal
toxin
cercosporin.
Phytopathology,
Год журнала:
2022,
Номер
113(6), С. 975 - 984
Опубликована: Дек. 14, 2022
Globalization
has
made
agricultural
commodities
more
accessible,
available,
and
affordable.
However,
their
global
movement
increases
the
potential
for
invasion
by
pathogens
necessitates
development
implementation
of
sensitive,
rapid,
scalable
surveillance
methods.
Here,
we
used
35
strains,
isolated
multiple
diagnostic
laboratories,
as
a
case
study
using
whole
genome
sequence
data
in
plant
disease
setting.
Twenty-seven
strains
were
2022
identified
Xanthomonas
hortorum
pv.
pelargonii.
Eighteen
these
originated
from
material
sold
breeding
company
that
had
notified
clients
following
release
infected
geranium
cuttings.
Analyses
sequences
revealed
epidemiological
links
among
27
different
growers
confirmed
common
source
outbreak
uncovered
likely
secondary
spread
events
within
facilities
housed
plants
originating
companies.
Whole
sequencing
also
analyzed
to
reveal
how
preparatory
analytical
methods
can
impact
conclusions
on
outbreaks
clonal
pathogenic
strains.
The
results
demonstrate
power
network
labs
highlight
sharing
such
help
shorten
response
times
mitigate
expediently
precisely
than
standard
