Plant Protection News,
Год журнала:
2023,
Номер
106(3), С. 120 - 136
Опубликована: Дек. 13, 2023
Antimicrobial
peptides
(AMPs)
are
the
most
important
components
of
plant
innate
immunity
to
environmental
stress
factors
and
one
ancient
tools
defense
system.
Most
them
synthesized
as
constitutive
immunity,
but
there
also
inducible
forms
belonging
“pathogenesis-related
proteins”
(PR-proteins
from
classes
12,
13
14).
This
review
provides
characteristics
primary
three-dimensional
structures
main
families
AMPs.
The
relationship
between
types
spatial
arrangement
polypeptide
chain
is
drawn.
functional
analysis
AMPs
presented
by
data
on
spectrum
quantitative
level
activities
against
a
number
economically
significant
fungal
bacterial
phytopathogens,
related
biological
effects
indicated.
Additionally,
current
information
provided
molecular
mechanisms
antimicrobial
action
based
defensins
studied
structural
group.
In
conclusion,
aspects
modes
for
microorganisms
considered,
basis
which
variant
classification
these
molecules
proposed.
Based
data,
prospects
their
use
biopesticides
protection
pathogens
were
assessed.
Plant Physiology and Biochemistry,
Год журнала:
2021,
Номер
171, С. 115 - 127
Опубликована: Дек. 30, 2021
Plant
non-specific
lipid
transfer
proteins
(nsLTPs)
are
usually
defined
as
small,
basic
proteins,
with
a
wide
distribution
in
all
orders
of
higher
plants.
Structurally,
nsLTPs
contain
conserved
motif
eight
cysteines,
linked
by
four
disulphide
bonds,
and
hydrophobic
cavity
which
the
ligand
is
housed.
This
structure
confers
stability
enhances
ability
to
bind
transport
variety
molecules.
Their
highly
structural
resemblance
but
low
sequence
identity
reflects
ligands
they
can
carry,
well
broad
biological
functions
to,
such
membrane
stabilization,
cell
wall
organization
signal
transduction.
In
addition,
have
also
been
described
essential
resistance
biotic
abiotic
stresses,
plant
growth
development,
seed
germination.
Hence,
there
growing
interest
this
family
for
their
critical
roles
development
many
unresolved
questions
that
need
be
clarified,
regarding
subcellular
localization,
capacity,
expression
profile,
function,
evolution.
Foods,
Год журнала:
2023,
Номер
12(11), С. 2232 - 2232
Опубликована: Июнь 1, 2023
This
review
presents
an
update
on
the
physical,
chemical,
and
biological
properties
of
food
allergens
in
plant
sources,
focusing
few
protein
families
that
contribute
to
multiple
from
different
species
recently
found
contain
allergens.
The
structures
structural
components
allergen
may
provide
further
directions
for
discovering
new
Answers
as
what
makes
some
proteins
are
still
elusive.
Factors
be
considered
mitigating
include
abundance
a
food,
property
short
stretches
sequence
constitute
linear
IgE
binding
epitopes,
protein,
its
stability
heat
digestion,
matrix
is
in,
antimicrobial
activity
microbial
flora
human
gastrointestinal
tract.
Additionally,
recent
data
suggest
widely
used
techniques
mapping
epitopes
need
improved
by
incorporating
positive
controls,
methodologies
conformational
developed.
Journal of Experimental Botany,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Lipid
transfer
proteins
(LTPs)
are
small
cysteine-rich
soluble
that
affect
flower
and
seed
development,
cuticular
wax
deposition,
biotic
abiotic
stress
responses.
We
isolated
an
LTP-encoding
gene
homologous
to
LTPVAS
in
Nicotiana
benthamiana
designated
it
LTP-VASCULAR
TISSUE
SIZE
(NbLTPVAS).
This
was
expressed
seeds,
leaves,
roots,
stems.
Additionally,
NbLTPVAS
expression
induced
by
hypersensitive
response
(HR)-inducing
agents.
Cell
death
accelerated
the
phytopathogenic
bacterial
population
decreased
significantly
NbLTPVAS-silenced
plants
infected
with
incompatible
Ralstonia
solanacearum
strain
8107.
The
of
HR
marker
hin1
markedly
R.
8107,
indicative
acceleration
HR.
cell
also
promoted
Agrobacterium-mediated
HR-inducing
including
INF1,
AvrA,
PopP1.
Excessive
production
reactive
oxygen
species
(ROS)
detected
plants.
NbrbohB
(encoding
a
ROS-generating
enzyme)
increased
plants,
but
antioxidant
enzyme-encoding
genes
NbSOD
NbAPX
decreased.
silencing
both
adversely
affected
induction.
Moreover,
secreted
into
intercellular
washing
fluid.
transient
full-length
genes,
attenuated
ROS
production,
suppressed
induction
death.
is
first
functional
analysis
plant-microbe
interactions.
Our
study
provides
novel
insights
role
as
negative
regulator
via
homeostasis
N.
benthamiana.
Antibiotics,
Год журнала:
2021,
Номер
10(11), С. 1281 - 1281
Опубликована: Окт. 21, 2021
Lipid
transfer
proteins
(LTPs)
are
among
the
most
promising
plant-exclusive
antimicrobial
peptides
(AMPs).
They
figure
challenging
AMPs
from
point
of
view
their
structural
diversity,
functions
and
biotechnological
applications.
This
review
presents
a
current
picture
LTP
research,
addressing
not
only
structural,
evolutionary
further
predicted
functional
aspects.
Traditionally,
LTPs
have
been
identified
by
direct
isolation
biochemical
techniques,
whereas
omics
data
bioinformatics
deserve
special
attention
for
potential
to
bring
new
insights.
In
this
context,
possible
revealing
that
actually
multipurpose,
with
many
additional
roles.
Despite
some
challenges
due
toxicity
allergenicity
LTPs,
systematic
search
in
patent
databases,
indicate
perspectives
use
human
health
also
plant
defense.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(4), С. 3568 - 3568
Опубликована: Фев. 10, 2023
Black
rot
(BR),
caused
by
Guignardia
bidwellii,
is
an
emergent
fungal
disease
threatening
viticulture
and
affecting
several
mildew-tolerant
varieties.
However,
its
genetic
bases
are
not
fully
dissected
yet.
For
this
purpose,
a
segregating
population
derived
from
the
cross
‘Merzling’
(hybrid,
resistant)
×
‘Teroldego’
(V.
vinifera,
susceptible)
was
evaluated
for
BR
resistance
at
shoot
bunch
level.
The
progeny
genotyped
with
GrapeReSeq
Illumina
20K
SNPchip,
7175
SNPs
were
combined
194
SSRs
to
generate
high-density
linkage
map
of
1677
cM.
QTL
analysis
based
on
trials
confirmed
previously
identified
Resistance
bidwellii
(Rgb)1
locus
chromosome
14,
which
explained
up
29.2%
phenotypic
variance,
reducing
genomic
interval
2.4
0.7
Mb.
Upstream
Rgb1,
study
revealed
new
explaining
79.9%
variance
resistance,
designated
Rgb3.
physical
region
encompassing
two
QTLs
does
underlie
annotated
(R)-genes.
Rgb1
resulted
enriched
in
genes
belonging
phloem
dynamics
mitochondrial
proton
transfer,
while
Rgb3
presented
cluster
pathogenesis-related
Germin-like
protein
genes,
promoters
programmed
cell
death.
These
outcomes
suggest
strong
involvement
oxidative
burst
occlusion
mechanisms
provide
molecular
tools
grapevine
marker-assisted
breeding.
International Journal of Molecular Sciences,
Год журнала:
2021,
Номер
22(11), С. 5741 - 5741
Опубликована: Май 27, 2021
Cysteine-rich
peptides
(CRPs)
play
an
important
role
in
plant
physiology.
However,
their
resistance
induced
by
biogenic
elicitors
remains
poorly
understood.
Using
whole-genome
transcriptome
sequencing
and
our
CRP
search
algorithm,
we
analyzed
the
repertoire
of
CRPs
tomato
Solanum
lycopersicum
L.
response
to
Fusarium
oxysporum
infection
from
F.
sambucinum.
We
revealed
106
putative
transcripts
belonging
different
families
antimicrobial
(AMPs),
signaling
(RALFs),
with
non-defense
functions
(Major
pollen
allergen
Olea
europaea
(Ole
e
1
6),
Maternally
Expressed
Gene
(MEG),
Epidermal
Patterning
Factor
(EPF)),
as
well
pathogenesis-related
proteins
4
(PR-1
4).
discovered
a
novel
type
10-Cys-containing
hevein-like
AMPs
named
SlHev1,
which
was
up-regulated
both
elicitors.
Transcript
profiling
showed
that
sambucinum
changed
expression
levels
overlapping
sets
genes,
suggesting
diversification
families.
non-specific
lipid
transfer
(nsLTPs)
snakins
mostly
contribute
plants
The
involvement
function
stress
reactions
also
demonstrated.
results
obtained
shed
light
on
mode
action
immune
tomato.
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(15), С. 8372 - 8372
Опубликована: Июль 28, 2022
Non-specific
lipid
transfer
proteins
(nsLTPs)
are
small
cysteine-rich
basic
which
play
essential
roles
in
plant
growth,
development
and
abiotic/biotic
stress
response.
However,
there
is
limited
information
about
the
nsLTP
gene
(BnLTP)
family
rapeseed
(Brassica
napus).
In
this
study,
283
BnLTP
genes
were
identified
rapeseed,
distributed
randomly
19
chromosomes
of
rapeseed.
Phylogenetic
analysis
showed
that
divided
into
seven
groups.
Exon/intron
structure
MEME
motifs
both
remained
highly
conserved
each
group.
Segmental
duplication
hybridization
rapeseed’s
two
sub-genomes
mainly
contributed
to
expansion
family.
Various
potential
cis-elements
respond
development,
biotic/abiotic
stresses,
phytohormone
signals
existed
promoters.
Transcriptome
expressed
various
tissues/organs
with
different
levels
also
involved
response
heat,
drought,
NaCl,
cold,
IAA
ABA
as
well
treatment
fungal
pathogens
(Sclerotinia
sclerotiorum
Leptosphaeria
maculans).
The
qRT-PCR
assay
validated
results
RNA-seq
expression
top
Sclerotinia-responsive
genes,
BnLTP129
BnLTP161.
Moreover,
batches
BnLTPs
might
be
regulated
by
BnTT1
BnbZIP67
metabolism
or
adaptability
seed
coat
embryo
This
work
provides
an
important
basis
for
further
functional
study
quality
improvement
resistance.