Xanthomonas bundabergensis sp. nov., Xanthomonas medicagonis sp. nov. and Xanthomonas tesorieronis sp. nov.: three members of group 1 Xanthomonas
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,
Год журнала:
2025,
Номер
75(3)
Опубликована: Март 10, 2025
Between
1976
and
2010,
four
bacterial
isolates
were
collected
in
New
South
Wales
Queensland,
Australia,
stored
as
part
of
routine
biosecurity
surveillance.
Recently,
these
historic
analysed
a
larger
project
to
enhance
the
taxonomic
accuracy
our
culture
collection
improve
Australia’s
preparedness.
Three
from
Fragaria
×
ananassa
,
initially
identified
Xanthomonas
sp.,
one
Medicago
sativa
axonopodis
subsp.
alfalfae
.
In
this
study,
we
employed
modern
phenotypic
genomic
techniques
further
characterize
isolates.
Matrix-assisted
laser
desorption
ionization–time
flight
MS
biotyping
Biolog
GEN
III
MicroPlates
confirmed
that
they
are
members
genus
but
did
not
allow
for
species-level
classification.
Genome-relatedness
indices
phylogenetic
analysis
revealed
represent
three
novel
species.
The
maximum
average
nucleotide
identity
digital
DNA–DNA
hybridization
values
observed
when
comparing
all
type
strains
each
other
93.9%
50.7%,
respectively.
Pathogenesis
assays
two
pathogenic
plant
which
isolated.
Based
on
findings,
propose
names
bundabergensis
sp.
nov.
(DAR
80977
T
=ICMP
24943),
medicagonis
35659
24942)
tesorieronis
34887
24940).
Язык: Английский
Xanthomonas protegens sp. nov., a novel rice seed-associated bacterium, provides in vivo protection against X. oryzae pv. oryzae, the bacterial leaf blight pathogen
FEMS Microbiology Letters,
Год журнала:
2024,
Номер
371
Опубликована: Янв. 1, 2024
Historically,
Xanthomonas
species
are
primarily
known
for
their
pathogenicity
against
plants,
but
recently,
there
have
been
more
findings
of
non-pathogenic
xanthomonads.
In
the
present
study,
we
report
isolates
from
healthy
rice
seeds
that
belong
to
a
new
species,
protegens,
protector
plants
serious
pathogenic
counterpart,
i.e.
X.
oryzae
pv.
upon
leaf
clip
co-inoculation.
The
member
is
and
lacks
type
III
secretion
system.
pangenome
investigation
revealed
large
number
unique
genes,
including
novel
lipopolysaccharide
biosynthetic
gene
cluster,
might
be
important
in
its
adaptation.
phylo-taxonogenomic
analysis
protegens
taxonomic
outlier
sontii,
core,
vertically
transmitted
seed
endophyte
with
numerous
probiotic
properties.
Interestingly,
sontii
also
reported
as
keystone
microbiome.
resources
will
help
development
markers
evolutionary
studies
successful
symbiont
pathogen.
Here,
propose
sp.
nov.
genus
PPL118
=
MTCC
13396
CFBP
9164
ICMP
25181
strain.
PPL117,
PPL124,
PPL125,
PPL126
other
strains
species.
Язык: Английский