Rust
diseases,
caused
by
fungal
pathogens
pose
a
substantial
threat
to
global
wheat
production
including
India.
The
2NvS
translocation
carrying
Lr37-Sr38-Yr17
from
Aegilops
ventricosa
has
been
pivotal
in
developing
disease-resistant
wheat,
hosting
essential
resistance
genes
against
various
diseases.
Recent
research
suggests
its
potential
effectiveness
the
globally
emerging
of
blast.
Initially,
conventional
backcross
breeding
efforts
were
attempted
integrate
this
gene
cluster
into
ten
adapted
Indian
bread
cultivars.
Extensive
phenotyping
populations
at
seedling
and
adult
stages
led
creation
rust-resistant
BC7F8
near
isogenic
lines
(NILs)
with
desirable
traits.
However,
approach
proved
time-consuming
relied
on
disease
pressure,
ultimately
resulting
these
no
longer
being
cultivation.
Subsequently,
marker-assisted
employing
VENTRIUP/LN2
molecular
marker
was
employed
confirm
presence
facilitate
transfer
modern
varieties,
notably
HD
2733,
PBW
343,
DBW39,
2967
HW
2045
particularly
targeting
North
Eastern
Plain
Zone
combat
blast
using
previously
developed
as
donor
BC3F6
generation.
integration
via
method
limited
represents
significant
stride
rust
breeding,
offering
promising
bolster
food
security
fostering
development
varieties.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Дек. 16, 2022
Wheat
powdery
mildew
caused
by
a
biotrophic
fungus
Blumeria
graminis
f.
sp.
tritici
(Bgt),
is
widespread
airborne
disease
which
continues
to
threaten
global
wheat
production.
One
of
the
most
chemical-free
and
cost-effective
approaches
for
management
exploitation
resistant
cultivars.
Accumulating
evidence
has
reported
that
more
than
100
resistance
genes
or
alleles
mapping
63
different
loci
(Pm1-Pm68)
have
been
identified
from
common
its
wild
relatives,
only
few
them
cloned
so
far.
However,
continuous
emergence
new
pathogen
races
with
novel
degrees
virulence
renders
ineffective.
An
essential
breeding
strategy
achieving
durable
pyramiding
into
single
genotype.
The
genetics
host-pathogen
interactions
integrated
temperature
conditions
interaction
between
their
corresponding
other
within
genome
determine
expression
genes.
Considerable
progress
made
in
revealing
Bgt
pathogenesis
mechanisms,
identification
A
detailed
understanding
molecular
will
facilitate
development
effective
controlling
mildew.
This
review
gives
succinct
overview
basis
Bgt,
defense
mechanisms
against
infection.
It
also
unleash
unsung
roles
epigenetic
processes,
autophagy
silicon
Bgt.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Ноя. 15, 2024
Nucleotide-binding
leucine-rich
repeat
(NLR)
disease
resistance
genes
typically
confer
against
races
of
a
single
pathogen.
Here,
we
report
that
Yr87/Lr85,
an
NLR
gene
from
Aegilops
sharonensis
and
longissima,
confers
both
P.
striiformis
tritici
(Pst)
Puccinia
triticina
(Pt)
cause
stripe
leaf
rust,
respectively.
Yr87/Lr85
Pst
Pt
in
wheat
introgression
as
well
transgenic
lines.
Comparative
analysis
the
cloned
Triticeae
shows
contains
two
distinct
LRR
domains
is
only
found
Ae.
longissima.
Allele
mining
phylogenetic
indicate
multiple
events
flow
between
species
presence/absence
variation
explaining
majority
to
rust
species.
The
confinement
longissima
highlight
potential
these
valuable
sources
for
improvement.
Leaf
are
important
fungal
diseases
cultivated
they
caused
by
infection
different
pathogens.
authors
nucleotide-binding
protein
encoding
diseases.
Journal of Fungi,
Год журнала:
2022,
Номер
9(1), С. 4 - 4
Опубликована: Дек. 20, 2022
Fungal
plant
pathogens
use
proteinaceous
effectors
as
well
newly
identified
secondary
metabolites
(SMs)
and
small
non-coding
RNA
(sRNA)
to
manipulate
the
host
plant's
defense
system
via
diverse
cell
compartments,
distinct
organelles,
many
genes.
However,
most
molecular
studies
of
plant-fungal
interactions
have
focused
on
secreted
effector
proteins
without
exploring
possibly
equivalent
functions
performed
by
fungal
sRNAs,
which
are
collectively
known
"non-proteinaceous
effectors".
SMs
been
shown
be
generated
throughout
colonization
process,
particularly
in
early
biotrophic
stages
infection.
The
repertoire
non-proteinaceous
has
broadened
discovery
sRNAs
that
specifically
target
genes
involved
resistance
responses.
Many
RNAs,
gene
silencing,
transmit
bidirectionally
between
their
hosts.
there
no
clear
functional
approaches
study
role
these
SM
sRNA
effectors.
Undoubtedly,
now
a
treasured
land
seek.
Therefore,
understanding
may
provide
insights
into
infection
process
identification
interacting
targeted
This
review
discusses
during
interactions.
It
will
also
focus
translocation
across
kingdoms,
application
cross-kingdom
interference
managing
diseases
tools
can
used
predict
Plants,
Год журнала:
2023,
Номер
12(23), С. 3996 - 3996
Опубликована: Ноя. 28, 2023
Wheat
leaf
rust,
caused
by
the
obligate
biotrophic
fungus
Puccinia
triticina
Eriks.
(Pt),
is
one
of
most
common
wheat
foliar
diseases
that
continuously
threatens
global
production.
Currently,
approaches
used
to
mitigate
pathogen
infestation
include
application
fungicides
and
deployment
resistance
genes
or
cultivars.
However,
continuous
selected
resistant
varieties
causes
host
selection
pressures
drive
Pt
evolution
promote
incessant
emergence
new
virulent
races,
resulting
in
demise
wheat-resistant
cultivars
after
several
years
planting.
Intriguingly,
diploid
accessions
were
found
confer
haustorium
formation-based
which
involves
prehaustorial
posthaustorial
mechanisms.
The
interaction
between
einkorn
rust
not
influenced
specific
races
pathogen.
induced
defense
mechanism,
known
as
systemic
acquired
resistance,
also
confers
durable
against
a
wide
array
pathogens.
This
review
summarizes
range,
pathogenic
profile,
evolutionary
basis
Pt;
molecular
underlying
wheat–Pt
interactions;
cloning
characterization
genes;
resistance;
role
reactive
oxygen
species.
interplay
climatic
factors,
genetic
features,
planting
dates,
disease
dynamics
imparting
discussed.
Journal of Plant Registrations,
Год журнала:
2024,
Номер
18(2), С. 393 - 401
Опубликована: Май 1, 2024
Abstract
Selection
for
resistance
to
plant
diseases
is
a
continuous
effort
on
the
part
of
breeders.
Sources
genetic
are
often
limited,
despite
considerable
discovery
efforts.
Stem
rust
and
stripe
two
particular
importance
in
barley
(
Hordeum
vulgare
L.)
production.
The
present
work
aims
develop
deploy
genotypes
with
these
that
can
be
used
future
breeding
Woodies,
Woody‐1
(DH160733;
Reg.
no.
GP‐218,
PI
704479)
Woody‐2
(DH160754;
GP‐219,
704480),
doubled‐haploid
produced
via
F
1
anther
culture
named
honor
late
Lynn
“Woody”
Gallagher.
These
two‐row
spring
habit
germplasm
accessions
were
released
by
Oregon
Agricultural
Experiment
Station
2023.
have
demonstrated
both
stem
at
seedling
adult
stage
trials
conducted
between
2018
basis
this
appears
novel
quantitative
trait
locus
conferring
chromosome
5H
different
from
known
rpg4/Rpg5
complex
found
same
chromosome.
Seed
requested
State
University
Barley
Breeding
Program
or
NLGRP
Germplasm
repository.
Agriculture,
Год журнала:
2023,
Номер
13(2), С. 255 - 255
Опубликована: Янв. 20, 2023
Leaf
rust,
caused
by
Puccinia
triticina
(Pt),
is
a
widely
occurring
disease
of
wheat
in
the
North-Western
Region
Russia.
Annual
Pt
surveys
this
region
have
been
conducted
between
2001
and
2021.
In
total,
740
single
urediniospore
isolates
were
analyzed
over
20
years.
Virulence
to
Lr9,
Lr19
Lr24
rare
2001–2010
was
not
detected
after
2010.
Temporal
variation
virulence
determined
on
Thatcher
lines
with
Lr1,
Lr2a,
Lr2b
Lr2c
genes
found
be
relatively
high.
Lr1
increased
100%
from
2014.
Until
2010,
most
northwestern
avirulent
Lr2a
virulent
Lr2c.
middle
avirulence
Lr2b,
Lr15
began
increase.
Strong
variability
years
revealed
for
Lr20
Lr26.
Based
set
differential
lines,
122
pathotypes
detected.
More
than
half
those
observed
only
once
across
all
Pathotypes
divided
into
groups
B-,
C-,
D-
F-,
dominating
until
2009.
From
2010
pathotype
M-
P-,
dominate.
differentiation
population
determined.
High
similarity
accessions
2001–2009
2010–2015
these
two
differed
moderately
each
other.
2016–2019
2020–2021
other
previous
collection
period.
Field
response
Lr
studied
during
1998–2022.
Wheat
genotypes
Lr19,
Lr23,
Lr24,
Lr25,
Lr28,
Lr29,
Lr35,
Lr39,
Lr42,
Lr43,
Lr45,
Lr47,
Lr48,
Lr49,
Lr50,
Lr51,
Lr53
Lr57
remained
resistant
throughout
period
study.
rust
severity
TcLr12,
TcLr21,
TcLr22a,
Gatcher
(Lr27+31),
TcLr44
Pavon
(Lr46)
varied
1%
30%
before
2014
significantly
decreased
A
general
trend
decreasing
pathogen
has
recent