Plants,
Год журнала:
2024,
Номер
13(19), С. 2775 - 2775
Опубликована: Окт. 3, 2024
In
the
context
of
crop
breeding,
plant
height
(PH)
plays
a
pivotal
role
in
determining
straw
and
grain
yield.
Although
extensive
research
has
explored
genetic
control
PH
wheat,
there
remains
an
opportunity
for
further
advancements
by
integrating
genomics
with
growth-related
phenomics.
Our
study
utilizes
latest
genome-wide
association
scan
(GWAS)
techniques
to
unravel
basis
temporal
variation
across
179
Bulgarian
bread
wheat
accessions,
including
landraces,
tall
historical,
semi-dwarf
modern
varieties.
A
GWAS
was
performed
phenotypic
data
from
three
growing
seasons,
calculated
best
linear
unbiased
estimators,
leveraging
genotypic
information
25K
Infinium
iSelect
array,
using
statistical
methods
(MLM,
FarmCPU,
BLINK).
Twenty-five
quantitative
trait
loci
(QTL)
associated
were
identified
fourteen
chromosomes,
encompassing
21
environmentally
stable
nucleotides
(QTNs),
four
haplotype
blocks.
Certain
(17)
on
chromosomes
1A,
1B,
1D,
2A,
2D,
3A,
3B,
4A,
5B,
5D,
6A
remain
unlinked
any
known
Rht
(Reduced
height)
genes,
QTL,
or
PH,
represent
novel
regions
potential
breeding
significance.
Notably,
these
exhibit
varying
effects
contribute
significantly
natural
variance,
are
expressed
during
seedling
reproductive
stages.
The
block
chromosome
contains
five
QTN
reduced
two
promoting
height.
This
configuration
suggests
substantial
impact
holds
promise
accurate
marker-assisted
selection.
potentially
genomic
harbor
putative
candidate
gene
coding
glutamine
synthetase,
gibberellin
2-oxidase,
auxin
response
factor,
ethylene-responsive
transcription
nitric
oxide
synthase;
cell
cycle-related
encoding
cyclin,
regulator
condensation
(RCC1)
protein,
katanin
p60
ATPase-containing
subunit,
expansins;
genes
implicated
stem
mechanical
strength
defense
mechanisms,
as
well
regulators
such
factors
protein
kinases.
These
findings
enrich
pool
semi-dwarfing
resources,
providing
optimize
improve
lodging
resistance,
achieve
higher
yields
wheat.
Background/Objectives:
Auxin
response
factors
(ARFs)
are
important
in
plant
growth
and
development,
especially
flower
development.
However,
there
is
limited
research
on
the
comprehensive
identification
characterization
of
ARF
genes
roses.
Methods:
We
employed
bioinformatics
tools
to
identify
These
were
characterized
for
their
phylogenetic
relationships,
chromosomal
positions,
conserved
motifs,
gene
structures,
expression
patterns.
Results:
In
this
study,
a
total
17
identified
genomes
Rosa
chinensis
‘OB’,
R.
‘CH’,
rugosa,
wichurana.
Based
RNA-seq
analyses,
we
found
that
had
diverse
transcript
patterns
various
tissues
cultivars.
levels
RcCH_ARFs
during
different
flower-development
stages
classified
into
four
clusters.
cluster
3
4,
specifically
high
low
floral
evocation.
Gene
analyses
showed
RcCH_ARF3,
RcCH_ARF4,
RcCH_ARF18
likely
be
key
rose
Conclusions:
The
investigated.
results
presented
here
provide
theoretical
basis
molecular
mechanisms
development
flowering
roses,
with
broader
application
other
species
family
novel
Physiologia Plantarum,
Год журнала:
2025,
Номер
177(2)
Опубликована: Март 1, 2025
Auxins
are
essential
plant
hormones
that
regulate
growth,
development,
and
responses
to
environmental
stressors.
Plants
frequently
encounter
challenges
such
as
pests,
diseases,
high
temperatures,
drought,
salinity,
which
necessitate
adaptive
mechanisms
for
survival.
modulate
stress-responsive
signaling
pathways
by
regulating
gene
expression
interacting
with
other
phytohormones,
thereby
influencing
physiological
processes
maintain
homeostasis
under
stress
conditions.
This
review
elucidates
the
molecular
through
auxins
mediate
biotic
abiotic
stresses.
The
findings
indicate
pivotal
in
activating
defense
pathways.
Differential
of
auxin-related
genes
has
been
observed
various
crops
conditions,
underscoring
their
role
enhancing
resistance
against
pathogens
improving
drought
tolerance.
Additionally,
influence
root
architecture
growth
responses,
facilitating
adaptations
trichome
development
herbivory.
Moreover,
interplay
between
auxin
phytohormones
is
crucial
effective
responses.
Overall,
play
a
multifaceted
enabling
plants
cope
stresses
mechanisms.
Understanding
these
complex
involving
can
inform
future
research
aimed
at
engineering
resilient
varieties
capable
thriving
changing
climates.
Further
studies
needed
clarify
specific
functions
contexts
develop
practical
applications
crop
improvement.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Фев. 11, 2025
Auxin
transcription
factors
regulate
auxin
responses
and
play
crucial
roles
in
plant
growth,
development,
to
abiotic
stress.
Utilizing
the
maize
pan-genome
data,
this
study
identified
35
ARF
family
members
maize,
comprising
21
core
genes,
10
near-core
4
non-essential
genes;
no
private
genes
were
detected.
The
construction
of
a
phylogenetic
tree
using
Arabidopsis
thaliana
revealed
that
G3
subfamily
comprises
highest
number
with
total
10,
exhibits
relative
stability
throughout
evolution
maize.
calculation
Ka/Ks
ratios
for
across
26
genomes
indicated
that,
aside
from
ARF8
ARF11
,
which
subjected
positive
selection,
remaining
underwent
purifying
selection.
Analysis
structural
variation
expression
level
ARF4
gene
significantly
differed
as
result
variation.
Simultaneously,
also
influenced
conserved
domain
cis-acting
elements
gene.
Further
combining
transcriptome
data
RT-qPCR
found
levels
higher
at
early
stage
embryo
grain
each
member
complementary,
plays
an
important
role
In
summary,
utilizes
bioinformatics
methods
investigate
evolutionary
relationships
functional
thereby
providing
novel
theoretical
framework
further
research
on
family.
Agronomy,
Год журнала:
2025,
Номер
15(4), С. 906 - 906
Опубликована: Апрель 5, 2025
Soybean,
an
economically
valuable
oil
and
protein
crop,
is
vulnerable
to
numerous
biotic
stresses
throughout
its
growth
period.
Soybean
mosaic
virus
(SMV),
a
destructive
plant
pathogen,
induces
substantial
yield
reduction
seed
quality
deterioration
globally.
In
China,
total
of
22
distinct
SMV
strains
have
been
documented,
with
SMV-SC4
being
widely
spread
strain.
The
Chinese
cultivar
Kefeng-1
(KF)
resistant
this
To
investigate
the
resistance
mechanism,
transcriptional
analysis
was
performed
at
0,
6,
24,
48
h
post-inoculation
SC4
in
KF
(Resistant)
NN1138-2
(NN)
(Susceptible).
A
1201
core
differentially
expressed
genes
(DEGs)
were
identified
as
active
ones
against
infection,
most
originating
from
early
infection
stages.
Gene
ontology
enrichment
indicated
that
DEGs
directly
involved
signal
transduction
those
related
stress
response
contributed
indirectly,
including
phosphorylation,
kinase
activity,
oxidation–reduction,
oxidoreductase
catalytic
metal
ion
transport,
auxin.
27
“Signal
transduction”
them
disease
conserved
domains,
52
activity
involving
removing
ROS
attack,
8
“Response
auxin”,
phytohormone
plays
role
addition
development.
These
more
versus
susceptible
cultivar.
Our
findings
provide
insights
into
molecular
networks
soybean
SMV,
which
may
be
relevant
understanding
viral
infections.
Nitrogen,
Год журнала:
2025,
Номер
6(2), С. 27 - 27
Опубликована: Апрель 12, 2025
Increasing
soil
salinity
is
threatening
agricultural
productivity
which
implies
the
development
of
new
sustainable
strategies
to
deal
with
this
challenge.
The
main
objective
here
assess
potential
for
improving
tolerance
alfalfa
by
combining
inoculations
rhizobia
and
AMF.
However,
distinguishing
feature
study
comparison
two
varieties’
microbial
response
salinity.
greenhouse
trial
was
conducted
on
an
Australian
variety
Siriver
indigenous
Demnate
population,
were
inoculated
Rhizoglomus
irregulare
and/or
native
AMF,
a
RhOL1
rhizobial
strain.
strain
selected
from
nine
tested
their
plant
growth
promoting
rhizobacteria
(PGPR)
activities.
In
addition
its
ability
tolerate
high
levels
(769
mM)
solubilize
insoluble
phosphate
as
well
potassium,
it
can
also
synthesize
auxins
such
IAA.
application
these
biofertilizers
carried
out
in
absence
presence
saline
stress
(0
120
mM
NaCl).
double
AMF
significantly
improve
shoot
root
dry
biomass,
elongation,
number
formed
leaves,
mineral
nutrition,
nodules
rate
mycorrhizal
colonization.
synergistic
effects
between
have
been
demonstrated
study.
behavior
genotypes
towards
inoculation
different.
react
+
more
important
than
population.
Thus,
possibility
formulating
based
AMF–rhizobia–hote
tripartite
combination
production
areas.
Abstract
Tiller
number
is
a
crucial
determinant
of
grain
yield
in
wheat
(
Triticum
aestivum
L.),
and
identifying
functional
alleles
can
enhance
our
understanding
tiller
development.
Here,
we
describe
the
ot2
mutant,
which
exhibits
91%
reduction
compared
to
wild
type
displays
inhibited
bud
differentiation
from
2–3
leaf
stage.
Bulked
segregant
analysis
combined
with
exon
sequencing
mapped
Taot2
gene
chromosome
1BL.
Fourteen
kompetitive
allele‐specific
PCR
markers
were
developed
utilized
narrow
down
region
containing
2.22
Mb
interval.
This
encompasses
39
high‐confidence
genes.
Through
transcriptomic
investigation,
TraesCS1B03G1126300
was
identified
as
candidate
gene,
encoding
an
auxin‐responsive
protein
auxin/indole‐3‐acetic
acid
family.
Our
findings
provide
foundation
for
map‐based
cloning
,
novel
offer
valuable
insights
into
initiation.