NRC Immune receptor networks show diversified hierarchical genetic architecture across plant lineages
The Plant Cell,
Journal Year:
2024,
Volume and Issue:
36(9), P. 3399 - 3418
Published: June 26, 2024
Plants'
complex
immune
systems
include
nucleotide-binding
domain
and
leucine-rich
repeat-containing
(NLR)
proteins,
which
help
recognize
invading
pathogens.
In
solanaceous
plants,
the
NRC
(NLR
required
for
cell
death)
family
includes
helper
NLRs
that
form
a
genetic
network
with
multiple
sensor
to
provide
resistance
against
However,
evolution
function
of
networks
outside
plants
are
currently
unclear.
Here,
we
conducted
phylogenomic
macroevolutionary
analyses
comparing
identified
from
different
asterid
lineages
found
expanded
significantly
in
most
lamiids
but
not
Ericales
campanulids.
Using
transient
expression
assays
Nicotiana
benthamiana,
showed
simple
campanulids,
have
high
complexity
lamiids.
Phylogenetic
grouped
into
three
NRC0
subclades
conserved,
several
family-specific
show
signatures
diversifying
selection.
Functional
revealed
members
partially
interchangeable,
whereas
lack
interchangeability.
Our
findings
highlight
distinctive
evolutionary
patterns
asterids
potential
insights
transferring
disease
across
plant
lineages.
Language: Английский
Bioinformatics and expression analysis of the NRL gene family in Populus trichocarpa
Genetic Resources and Crop Evolution,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 11, 2024
Language: Английский
NRC immune receptor networks show diversified hierarchical genetic architecture across plant lineages
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 27, 2023
Abstract
Plants
developed
sophisticated
immune
systems
with
nucleotide-binding
domain
and
leucine-rich
repeat-containing
(NLR)
proteins
to
repel
invading
pathogens.
The
NRC
(NLR
required
for
cell
death)
family
includes
helper
NLRs
that
form
a
complex
genetic
network
multiple
sensor
provide
resistance
against
pathogens
of
solanaceous
plants.
However,
the
evolution
function
networks
outside
plants
is
currently
unknown.
We
conducted
phylogenomic
macroevolutionary
analyses
comparing
identified
from
different
asterids
lineages
found
expanded
significantly
in
most
lamiids
but
not
Ericales
campanulids.
Using
transient
expression
assays
Nicotiana
benthamiana
,
we
show
are
simple
campanulids,
high
complexity
lamiids.
Phylogenetic
grouped
into
three
NRC0
subclades
conserved,
several
family-specific
signatures
diversifying
selection.
Functional
revealed
members
partially
interchangeable,
whereas
lack
interchangeability.
Our
findings
highlight
distinctive
evolutionary
patterns
potential
insights
transferring
disease
across
plant
lineages.
Language: Английский
Tracing the path from conservation to expansion evolutionary insights into NLR genes in oleaceae
Sumbal Parvez,
No information about this author
Maryam Asif,
No information about this author
Alizay Ahmad
No information about this author
et al.
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: Feb. 26, 2025
The
Oleaceae
family,
encompassing
key
genera
such
as
Fraxinus
(ash
trees),
Olea
(olives),
Jasminum
(jasmine),
Syringa
(lilac),
and
Forsythia,
plays
a
crucial
ecological
economic
role.
Despite
their
importance,
the
evolutionary
dynamics
immune
system
adaptations
of
NLR
(Nucleotide
binding
leucine-rich
repeats)
gene
family
remain
largely
unexplored.
This
study
employs
high-throughput
comparative
genomics
to
investigate
evolution
across
family.
genus
is
widely
distributed
both
New
Old
Worlds,
with
23
distinct
species
analyzed
in
this
study.
Our
results
reveal
predominant
strategy
conservation
these
species.
Geographical
adaptation
has
played
significant
role,
particularly
World
ash
tree
species,
which
exhibit
dynamic
patterns
expansion
contraction
within
last
50
million
years.
Notably,
genes
acquired
from
an
ancient
whole
genome
duplication
event
(~
35
Mya)
have
been
retained
lineages.
In
contrast,
(olives)
undergone
extensive
driven
by
recent
duplications
birth
novel
families.
These
differences
likely
enhance
Olea's
ability
recognize
diverse
pathogens
through
expansions,
while
maintains
specialized
responses
conserved
genes,
potential
trade-offs
pathogen
energy
efficiency.
terms
distribution,
all
show
enhanced
pseudogenization
TIR-NLRs
CCG10-NLR.
However,
RNA-seq
expression
analysis
olive
suggests
that
partial
despite
incomplete
structure,
may
play
important
roles
plant
responses.
provides
comprehensive
offering
insights
into
adaptive
mechanisms
response
genera.
Language: Английский