Antibiotics,
Journal Year:
2023,
Volume and Issue:
12(1), P. 91 - 91
Published: Jan. 5, 2023
In
this
study,
seven
different
silver
nanoparticles
(AgNPs)
were
obtained
using
the
fungi
species
from
phylum
Ascomycota,
Aspergillus
tubingensis,
spp.,
Cladosporium
pini-ponderosae,
Fusarium
proliferatum,
Epicoccum
nigrum,
Exserohilum
rostratum,
and
Bionectria
ochroleuca,
isolated
Brazilian
biodiversity,
particularly
mangrove
Caatinga
biomes.
The
coded
as
AgNP-AT,
AgNP-Asp,
AgNP-CPP,
AgNP-FP,
AgNP-EN,
AgNP-ER,
AgNP-BO
characterized
spectrophotometry
(UV-Vis),
dynamic
light
scattering
(DLS),
zeta
potential,
transmission
electron
microcopy
(TEM),
Fourier-transform
infrared
(FTIR)
spectroscopy.
All
AgNPs
presented
homogeneous
size
in
range
43.4
to
120.6
nm
(DLS)
21.8
35.8
pH
4.5
7.5,
negative
charge,
presence
of
protein
coating
on
their
surface.
antifungal
activity
was
evaluated
clinical
strains
Candida
albicans,
non-albicans
species,
krusei,
glabrata,
parapsilosis,
tropicalis,
guilliermondii,
common
hospital
infections,
against
phytopathogens
oxysporum,
phaseoli,
sacchari,
subglutinans,
verticillioides,
Curvularia
lunata,
which
are
responsible
for
serious
damage
agriculture
production.
effective
yeasts
with
MICs
ranging
1.25
40
µM
4
250
µM,
indicating
promising
possibility
application
these
agents.
results
indicated
that
physicochemical
parameters
AgNPs,
including
functional
groups
present
surface,
interfered
activity.
Overall,
indicate
there
is
no
specificity
or
phytopathogens,
can
be
an
advantage,
increasing
areas.
Trends in Plant Science,
Journal Year:
2022,
Volume and Issue:
28(2), P. 211 - 222
Published: Sept. 30, 2022
Botrytis
cinerea,
a
widespread
plant
pathogen
with
necrotrophic
lifestyle,
causes
gray
mold
disease
in
many
crops.
Massive
secretion
of
enzymes
and
toxins
was
long
considered
to
be
the
main
driver
infection,
but
recent
studies
have
uncovered
rich
toolbox
for
B.
cinerea
pathogenicity.
The
emerging
picture
is
multilayered
infection
process
governed
by
exchange
factors
that
collectively
contribute
development.
No
shows
complete
resistance
against
pattern-triggered
immune
responses
potential
significantly
reduce
progression,
opening
new
possibilities
producing
cinerea-tolerant
plants.
We
examine
current
models,
highlight
knowledge
gaps,
suggest
directions
future
studies.
Annual Review of Plant Biology,
Journal Year:
2023,
Volume and Issue:
74(1), P. 539 - 568
Published: March 1, 2023
The
aboveground
parts
of
terrestrial
plants
are
colonized
by
a
variety
microbes
that
collectively
constitute
the
phyllosphere
microbiota.
Decades
pioneering
work
using
individual
microbes,
including
commensals
and
pathogens,
have
provided
foundational
knowledge
about
how
adapt
to
environment
their
role
in
providing
biological
control
against
pathogens.
Recent
studies
revealed
more
complete
repertoire
microbiota
across
plant
taxa
respond
regulate
level
composition
Importantly,
development
several
gnotobiotic
systems
is
allowing
causative
mechanistic
determine
contributions
health
productivity.
New
insights
into
carries
out
key
processes,
photosynthesis,
biomass
accumulation,
reproduction,
defense
biotic
abiotic
insults,
either
presence
or
absence
normal
could
unleash
novel
plant-
microbiota-based
technologies
improve
agriculturally
relevant
traits
crop
plants.
FEMS Microbiology Reviews,
Journal Year:
2023,
Volume and Issue:
48(1)
Published: Dec. 12, 2023
Rhizosphere
microbes
play
critical
roles
for
plant's
growth
and
health.
Among
them,
the
beneficial
rhizobacteria
have
potential
to
be
developed
as
biofertilizer
or
bioinoculants
sustaining
agricultural
development.
The
efficient
rhizosphere
colonization
of
these
is
a
prerequisite
exerting
their
plant
functions,
but
colonizing
process
underlying
mechanisms
not
been
thoroughly
reviewed,
especially
nonsymbiotic
rhizobacteria.
This
review
systematically
analyzed
root
compared
it
with
that
symbiotic
pathogenic
bacteria.
also
highlighted
approaches
improve
efficiency
proposed
study
rhizobacterial
from
holistic
perspective
microbiome
under
more
natural
conditions.
Plant Biotechnology Journal,
Journal Year:
2024,
Volume and Issue:
22(8), P. 2113 - 2128
Published: March 12, 2024
Summary
Plants
face
a
relentless
onslaught
from
diverse
array
of
pathogens
in
their
natural
environment,
to
which
they
have
evolved
myriad
strategies
that
unfold
across
various
temporal
scales.
Cell
surface
pattern
recognition
receptors
(PRRs)
detect
conserved
elicitors
or
endogenous
molecules
released
during
pathogen
invasion,
initiating
the
first
line
defence
plants,
known
as
pattern‐triggered
immunity
(PTI),
imparts
baseline
level
disease
resistance.
Inside
host
cells,
effectors
are
sensed
by
nucleotide‐binding/leucine‐rich
repeat
(NLR)
receptors,
then
activate
second
defence:
effector‐triggered
(ETI),
offering
more
potent
and
enduring
mechanism.
Moreover,
PTI
ETI
collaborate
synergistically
bolster
resistance
collectively
trigger
cascade
downstream
responses.
This
article
provides
comprehensive
review
plant
responses,
an
overview
stepwise
activation
interactions
between
PTI‐ETI
synergistic
signal
transduction.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(11)
Published: March 17, 2023
Toll/interleukin-1
receptor
(TIR)
domain
proteins
function
in
cell
death
and
immunity.
In
plants
bacteria,
TIR
domains
are
often
enzymes
that
produce
isomers
of
cyclic
adenosine
5′-diphosphate–ribose
(cADPR)
as
putative
immune
signaling
molecules.
The
identity
functional
conservation
cADPR
isomer
signals
is
unclear.
A
previous
report
found
a
plant
could
cross-activate
the
prokaryotic
Thoeris
TIR–immune
system,
suggesting
TIR-immune
signals.
Here,
we
generate
autoactive
TIRs
test
converse
hypothesis:
Do
also
immunity?
Using
planta
vitro
assays,
find
overlapping
sets
further
clarify
how
activate
system
via
producing
3′cADPR.
This
study
demonstrates
requirements
for
systems
distinct
across
kingdoms
diversity
small-molecule
products.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 15, 2024
Abstract
The
plant
health
status
is
determined
by
the
interplay
of
plant-pathogen-microbiota
in
rhizosphere.
Here,
we
investigate
this
tripartite
system
focusing
on
pathogen
Fusarium
oxysporum
f.
sp.
lycopersici
(FOL)
and
tomato
plants
as
a
model
system.
First,
explore
differences
genotype
resistance
to
FOL
potentially
associated
with
differential
recruitment
plant-protective
rhizosphere
taxa.
Second,
show
production
fusaric
acid
trigger
systemic
changes
microbiota.
Specifically,
molecule
have
opposite
effects
disease-suppressive
taxa
resistant
susceptible
genotypes.
Last,
elucidate
that
induce
root
exudation
direct
specific
Our
study
unravels
mechanism
mediating
assembly
disease
suppression
integrating
physiological
responses
microbial-mediated
mechanisms
Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
25(3)
Published: March 1, 2024
Abstract
Alternaria
spp.
cause
different
diseases
in
potato
and
tomato
crops.
Early
blight
caused
by
solani
brown
spot
alternata
are
most
common,
but
the
disease
complex
is
far
more
diverse.
We
first
provide
an
overview
of
species
infecting
two
host
plants
to
alleviate
some
confusion
that
arises
from
taxonomic
rearrangements
this
fungal
genus.
Highlighting
diversity
fungi
on
both
solanaceous
hosts,
we
review
studies
investigating
genetic
genomes,
before
present
recent
advances
elucidating
host–pathogen
interactions
fungicide
resistances.
Taxonomy
Kingdom
Fungi,
Phylum
Ascomycota,
Class
Dothideomycetes,
Order
Pleosporales,
Family
Pleosporaceae,
Genus
Alternaria.
Biology
range
adopt
diverse
lifestyles.
specifically
crops
(
Solanum
tuberosum
)
lycopersicum
).
They
necrotrophic
pathogens
with
no
known
sexual
stage,
despite
signatures
recombination.
Disease
symptoms
Symptoms
early
blight/brown
include
foliar
lesions
as
spots,
depending
characteristic
concentric
rings,
which
eventually
lead
severe
defoliation
considerable
yield
loss.
Control
Good
field
hygiene
can
keep
pressure
low.
Some
cultivars
show
differences
susceptibility,
there
fully
resistant
varieties
known.
Therefore,
main
control
mechanism
treatment
fungicides.