Revista Colombiana de Ciencias Hortícolas,
Год журнала:
2023,
Номер
17(3)
Опубликована: Сен. 1, 2023
The
most
important
pathogens
causing
high
damage
to
fruit
and
vegetable
crops
are
bacteria
fungi;
among
them
Xanthomonas
Fusarium
respectively
in
the
phytopathogens
responsible
of
diseases
those
crops.
In
Colombia,
crop
Passiflora
edulis
f.
occupies
a
position
preferential
within
international
market.
However
different
pathologies
affect
their
production,
one
is
infectious
caused
by
microorganisms
as
Fusarium.
control
includes
application
pesticides
or
antibiotics,
but
some
have
develop
resistance
widespread,
others
restricted
associated
impact
on
environment
effects
animal
human
healthy.
Then
find
other
alternatives
necessary,
this
work
snake
venoms
vipers
Bothrops
asper
Porthidium
nasutum
were
evaluated
ability
inhibit
growth
these
microorganism
isolated
purple
passion
with
typical
symptoms
infections
microorganisms.
For
antimicrobial
assays
performed
agar
culture
broth
microdilution.
results
showed
inhibition
80%
B.
against
axonopodis
70%
perforans.
minimum
inhibitory
concentration
was
31,2
µg
mL-1
500
P.
both
bacteria.
Nevertheless,
activity
F.
oxysporum
low.
isolation
compounds
will
contribute
development
new
molecules
for
agents
affecting
Microorganisms,
Год журнала:
2024,
Номер
12(3), С. 457 - 457
Опубликована: Фев. 24, 2024
Tomatoes
encounter
many
pathogens,
such
as
fungi
and
bacteria,
which
reduce
the
yield
quality
of
plants
lead
to
large
losses
in
production.
The
application
plant
protection
products
(PPPs)
is
still
an
important
most
effective
measure
control
diseases.
However,
use
chemicals
agriculture
contributes
environmental
pollution
biodiversity
loss,
it
can
also
threaten
non-target
living
organisms.
Biological
a
widely
accessible,
environmentally
safe,
cost-efficient
alternative
for
prevention
suppression
The
occurrence
of
plant
disease
is
determined
by
interactions
among
host,
pathogen,
and
environment.
Air
humidity
shapes
various
aspects
physiology
high
has
long
been
known
to
promote
numerous
phyllosphere
diseases.
However,
the
molecular
basis
how
interferes
with
immunity
favor
remained
elusive.
Here
we
show
that
associated
an
"immuno-compromised"
status
in
Arabidopsis
plants.
Furthermore,
accumulation
signaling
salicylic
acid
(SA),
important
defense
hormone,
are
significantly
inhibited
under
humidity.
NPR1,
SA
receptor
central
transcriptional
co-activator
SA-responsive
genes,
less
ubiquitinated
displays
a
lower
promoter
binding
affinity
cellular
ubiquitination
machinery,
particularly
Cullin
3-based
E3
ubiquitin
ligase
mediating
NPR1
protein
ubiquitination,
downregulated
Importantly,
low
3a/b
mutant
plants
phenocopy
gene
expression
susceptibility
normally
observed
Our
study
uncovers
mechanism
which
dampens
major
pathway
provides
new
insights
into
long-observed
air
influence
on
Bitki Koruma Bülteni,
Год журнала:
2025,
Номер
65(1), С. 5 - 19
Опубликована: Март 27, 2025
This
study
aimed
to
characterize
the
morphological
traits
of
Super
tomato
genotypes
grown
widely
in
Iğdır
plain
and
determine
reaction
genotype
bacterial
diseases
caused
by
Pseudomonas
syringae
pv.
(Pst)
Xanthomonas
euvesicatoria
perforans
(Xep).
were
collected
from
20
different
regions
harvest
season
2021-2022.
Morphological
physiological
measurements
laboratory
taken
on
plant
traits.
Also,
pot
experiments
carried
out
a
growth
chamber
assess
infection
Pst
Xep.
Data
morphology
obtained,
including
heights
(136.9-88.7
cm),
root
lengths
(69.0-46.3
stem
diameters
(2.17-1.52
fresh
weights
(596-426
g),
dry
(127.6-94.0
(74.5
51.8
(24.3-11.9
yield
per
(4717.3-2906.5
mean
fruit
weight
(385.2-223.7
length
(55.5-50.3
mm),
diameter
(96.0-81.1
mm).
In
terms
properties
fruits,
water-soluble
matter
content
ranged
4.55%
4.11%,
juice
pH
4.69
4.43,
titratable
acidity
3.16
2.93
mval
100
ml⁻¹,
vitamin
C
26.63
17.80
mg/100
g,
lycopene
2951.1
2629.5
ng/µl,
β-carotene
272.55
228.82
ng/µl.
Additionally,
demonstrated
that
super
exhibited
moderate
susceptibility
both
Xep
infections,
with
disease
severity
index
(DSI)
2.4
2.2,
respectively.
Procedia Computer Science,
Год журнала:
2024,
Номер
237, С. 602 - 609
Опубликована: Янв. 1, 2024
Tomato
diseases
have
become
a
major
concern
to
the
tomato
production
sector
around
world.
A
huge
proportion
of
crops
deteriorate
yearly
during
growth
or
after
harvesting
due
infections
caused
by
fungus,
viruses
and
bacteria.
Early
detection
these
plays
crucial
role
in
alleviating
overall
loss.
Over
past
decades,
farmers
been
using
visual
observation
identify
crop
disease
field.
However,
method
is
labour
intensive,
time
consuming,
prone
human
error.
Currently,
intelligent
approaches
widely
used
detect
classify
diseases.
The
objective
this
study
design
convolutional
neural
network
VGG16
net
architecture
that
able
on
leaves.
model
can
successfully
5
leaf
was
developed:
(1)
Bacterial
spot,
(2)
blight,
(3)
Late
(4)
Septoria
(5)
Yellow
curl
with
training
accuracy
0.9328.
Frontiers in Microbiology,
Год журнала:
2022,
Номер
13
Опубликована: Апрель 18, 2022
Bacterial
spot
disease
was
first
reported
from
South
Africa
by
Ethel
M.
Doidge
in
1920.
In
the
ensuing
century
after
initial
discovery,
pathogen
has
gained
global
attention
plant
pathology
research,
providing
insights
into
host–pathogen
interactions,
evolution,
and
effector
such
as
discovery
of
transcription
activation-like
effectors,
among
many
others.
Four
distinct
genetic
groups,
including
Xanthomonas
euvesicatoria
(proposed
name:
X.
pv.
),
perforans
gardneri
hortorum
vesicatoria
,
are
known
to
cause
bacterial
disease.
Recently,
a
new
race
pathogen,
T5,
which
is
product
recombination
between
at
least
two
species,
Nigeria.
this
review,
our
focus
on
progress
made
African
continent,
vis-à-vis
research
community
provide
body
information
useful
for
researchers
understanding
diversity,
evolutionary
changes,
management
Africa.
Phytopathology,
Год журнала:
2024,
Номер
114(7), С. 1433 - 1446
Опубликована: Апрель 22, 2024
In
this
review,
we
highlight
studies
in
which
whole-genome
sequencing,
comparative
genomics,
and
population
genomics
have
provided
unprecedented
insights
into
past
ongoing
pathogen
evolution.
These
include
new
understandings
of
the
adaptive
evolution
secretion
systems
their
effectors.
We
focus
on
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Ноя. 5, 2024
Introduction
Bacterial
spot,
caused
by
diverse
xanthomonads
classified
into
four
lineages
within
three
species,
poses
a
significant
threat
to
global
pepper
and
tomato
production.
In
Taiwan,
bacterial
spot
phylogenetically
related
an
atypical
Xanthomonas
euvesicatoria
pv.
perforans
(
Xep
)
strain
NI1
from
Nigeria
were
found.
Methods
To
investigate
the
genetic
structure
of
Taiwanese
strains
determine
phylogenetic
position
strains,
we
completed
high-quality,
gap-free,
circularized
genomes
seven
performed
comparative
genomic
analyses
with
X.
pathovars.
Average
nucleotide
identity,
core
genome
analysis,
phylogenomic
analysis
conducted.
Results
Three
sequenced
identified
as
typical
,
while
clustered
NI1,
forming
distinct
genomovar
euvesicatoria,
proposed
taiwanensis
Xet
).
This
new
lineage
likely
originated
in
Taiwan
spread
through
seed
trade.
At
level,
chromosomes
remained
conserved
among
plasmids
contributed
virulence,
avirulence,
field
fitness.
Gap-free
revealed
associations
between
evolution
type
III
effectors,
horizontal
gene
transfer
events,
plasmid
diversity,
recombination.
Discussion
study
highlights
critical
roles
shaping
makeup,
evolution,
environmental
adaptation
plant
pathogenic
xanthomonads.
The
identification
genomovar,
provides
insights
diversity
pathogens
