The
APETALA2/ethylene-responsive
element
binding
protein
(AP2/ERF)
is
a
highly
conserved
transcription
factors
family,
involved
in
plant
growth,
development,
and
response
to
diverse
stress
conditions.
Until
recently,
the
AP2/ERF
family
has
not
been
functionally
characterized
safflower.
Here,
we
conducted
first
genome
wide
analysis
of
this
identified
candidate
CtDREB52,
which
regulates
UV-B-induced
flavonoid
biosynthesis
by
transactivating
CtMYB
CtF3'H
genes.
In
total,
187
genes
were
from
safflower
genome.
Phylogenetic
divided
these
CtAP2/ERFs
into
four
distinct
groups:
DREB,
ERFs,
AP2s,
RAV
Furthermore,
motifs,
gene
structure,
cis-regulatory
elements
suggested
important
evolutionary
insights
potential
role
CtAP2/ERFs.
Moreover,
comprehensive
expression
across
various
flowering
stages
demonstrated
consistent
pattern
exhibited
significant
correlation
with
alterations
total
content.
Importantly,
CtDREB52
was
found
be
responsive
UV-B
stress,
its
overexpression
only
promoted
accumulation
but
also
induced
an
early
phenotype
up-regulated
key
pathway,
while
silencing
showed
opposite
effect.
Further,
interaction
between
CtDFR
enzymes
confirmed
through
yeast
two-hybrid
BiFC
analysis.
These
findings
provide
CtDREB52-mediated
regulation
under
interacting
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 24, 2022
Tomato
is
a
drought-sensitive
crop
which
has
high
susceptibility
to
adverse
climatic
changes.
Dehydration-responsive
element-binding
(DREB)
are
significant
plant
transcription
factors
that
have
vital
role
in
regulating
abiotic
stress
tolerance
by
networking
with
DRE/CRT
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: June 15, 2024
Abstract
Background
AP2/ERF
is
a
large
family
of
plant
transcription
factor
proteins
that
play
essential
roles
in
signal
transduction,
growth
and
development,
responses
to
various
stresses.
The
has
been
identified
verified
by
functional
analysis
plants,
but
so
far
there
no
comprehensive
study
these
factors
Chinese
prickly
ash.
Phylogenetic,
motif,
analyses
combined
with
transcriptome
ash
fruits
at
different
developmental
stages
(30,
60,
90
days
after
anthesis)
were
conducted
this
study.
Results
146
ZbAP2/ERF
genes
could
be
classified
into
15
subgroups.
motif
revealed
the
presence
motifs
or
elements
each
group
may
explain
differences
between
groups.
ZbERF13.2
,
ZbRAP2-12
ZbERF2.1
showed
high
levels
expression
early
fruit
development.
ZbRAP2-4
ZbERF3.1
significantly
expressed
coloring
stage
(R2
G2).
ZbERF16
ripening
level
increased
as
continued
develop.
Relative
gene
6
representative
ZbAP2/ERFs
assessed
RT-qPCR
agreed
results.
Conclusions
These
screening
can
used
candidate
affect
results
help
guide
future
genetic
improvement
enrich
our
understanding
their
regulatory
functions
plants.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(4), P. 3697 - 3697
Published: Feb. 12, 2023
The
Ethylene
Responsive
Factor
(ERF)
transcription
factor
family
is
important
for
regulating
plant
growth
and
stress
responses.
Although
the
expression
patterns
of
ERF
members
have
been
reported
in
many
species,
their
role
Populus
alba
×
glandulosa,
an
model
forest
research,
remains
unclear.
In
this
study,
we
identified
209
PagERF
factors
by
analyzing
P.
glandulosa
genome.
We
analyzed
amino
acid
sequences,
molecular
weight,
theoretical
pI
(Isoelectric
point),
instability
index,
aliphatic
grand
average
hydropathicity,
subcellular
localization.
Most
PagERFs
were
predicted
to
localize
nucleus,
with
only
a
few
localized
cytoplasm
nucleus.
Phylogenetic
analysis
divided
proteins
into
ten
groups,
Class
I
X,
those
belonging
same
group
containing
similar
motifs.
Cis-acting
elements
associated
hormones,
abiotic
responses,
MYB
binding
sites
promoters
genes.
used
transcriptome
data
analyze
genes
different
tissues
including
axillary
buds,
young
leaves,
functional
cambium,
xylem,
roots,
results
indicated
that
are
expressed
all
especially
roots.
Quantitative
verification
consistent
data.
When
seedlings
treated
6%
polyethylene
glycol
6000
(PEG6000),
RT-qRCR
showed
nine
responded
drought
various
tissues.
This
study
provides
new
perspective
on
roles
development,
responses
glandulosa.
Our
basis
research
future.
BMC Plant Biology,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: April 20, 2023
AP2/ERF
transcription
factors
(AP2/ERFs)
are
important
regulators
of
plant
physiological
and
biochemical
metabolism.
Evidence
suggests
that
AP2/ERFs
may
be
involved
in
the
regulation
bud
break
woody
perennials.
Green
tea
is
economically
vital
China,
its
production
value
significantly
affected
by
time
spring
plant.
However,
relationship
between
remains
largely
unknown.A
total
178
genes
(CsAP2/ERFs)
were
identified
genome
Based
on
phylogenetic
analysis,
these
could
classified
into
five
subfamilies.
The
analysis
gene
duplication
events
demonstrated
whole
(WGD)
or
segmental
was
primary
way
CsAP2/ERFs
amplification.
According
to
result
Ka/Ks
calculation,
purification
selection
dominated
evolution
CsAP2/ERFs.
Furthermore,
composition
structure
analyses
indicated
different
subfamilies
contained
a
variety
structures
conserved
motifs,
potentially
resulting
functional
differences
among
promoters
also
various
signal-sensing
elements,
such
as
abscisic
acid
responsive
light
elements
low
temperature
elements.
evidence
presented
here
offers
theoretical
foundation
for
diverse
functions
Additionally,
expressions
during
analyzed
RNA-seq
grouped
clusters
A-F
according
their
expression
patterns.
changes
A
B
more
synchronized
with
Moreover,
several
potential
correlation
genes,
D-type
cyclin
screened
out
through
weighted
network
(WGCNA).
Temperature
treatment
experiments
individually
nine
candidate
related
plant.This
study
provides
new
role
plant,
establishes
analyzing
molecular
mechanism
contributes
improvement
cultivars.
Plant Stress,
Journal Year:
2024,
Volume and Issue:
11, P. 100384 - 100384
Published: Feb. 6, 2024
The
APETALA2/ethylene-responsive
element
binding
protein
(AP2/ERF)
is
a
highly
conserved
transcription
factors
family,
involved
in
plant
growth,
development,
and
response
to
diverse
stress
conditions.
Until
recently,
the
AP2/ERF
family
has
not
been
functionally
characterized
safflower.
In
total,
187
genes
were
identified
from
safflower
genome.
Phylogenetic
analysis
divided
these
CtAP2/ERFs
into
four
distinct
groups:
DREB,
ERFs,
AP2s,
RAV
genes.
Furthermore,
motifs,
gene
structure,
cis-regulatory
elements
suggested
important
evolutionary
insights
potential
role
of
CtAP2/ERFs.
Moreover,
comprehensive
expression
conducted
across
various
flowering
stages
demonstrated
consistent
pattern
CtDREB52,
which
exhibited
significant
correlation
with
alterations
total
flavonoid
content.
Importantly,
CtDREB52
was
found
be
responsive
UV-B
stress,
its
overexpression
only
promoted
accumulation
but
also
induced
an
early
phenotype
up-regulated
key
pathway,
while
silencing
showed
opposite
effect.
Further,
interaction
between
CtDFR
CtMYB
enzymes
confirmed
through
yeast
two-hybrid
BiFC
analysis.
These
findings
provide
CtDREB52-mediated
regulation
biosynthesis
under
by
interacting
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(23), P. 15225 - 15225
Published: Dec. 3, 2022
Juglans
mandshurica
has
strong
freezing
resistance,
surviving
temperatures
as
low
-40
°C,
making
it
an
important
freeze
tolerant
germplasm
resource
of
the
genus
Juglans.
APETALA2/ethylene
responsive
factor
(AP2/ERF)
is
a
plant-specific
superfamily
transcription
factors
that
regulates
plant
development,
growth,
and
response
to
biotic
abiotic
stress.
In
this
study,
phylogenetic
analysis
was
used
identify
184
AP2/ERF
genes
in
J.
genome,
which
were
classified
into
five
subfamilies
(JmAP2,
JmRAV,
JmSoloist,
JmDREB,
JmERF).
A
significant
amount
discordance
observed
distribution
throughout
its
16
chromosomes.
Duplication
found
14
tandem
122
segmental
gene
pairs,
indicated
duplications
may
be
main
reason
for
JmAP2/ERF
family
expansion.
Gene
structural
revealed
64
contained
introns.
evolution
among
Juglandaceae
separated
by
14.23
15
Mya
from
regia
Carya
cathayensis,
respectively.
Based
on
promoter
mandshurica,
many
cis-acting
elements
discovered
are
related
light,
hormones,
tissues,
stress
processes.
Proteins
contribute
cold
resistance
selected
further
construct
regulatory
network
based
GO
annotation
protein
interaction
analysis.
Expression
profiling
using
qRT-PCR
showed
involved
seven
significantly
upregulated
under
female
flower
buds
phloem
This
study
provides
new
light
role
response,
paving
way
functional
validation
TFs
their
application
genetic
improvement
other
tree
species.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(12), P. 6524 - 6524
Published: June 10, 2022
Pumpkin
(Cucurbita
moschata
Duchesne
ex
Poir.)
is
a
multipurpose
cash
crop
rich
in
antioxidants,
minerals,
and
vitamins;
the
seeds
are
also
good
source
of
quality
oils.
However,
pumpkin
susceptible
to
fungus
Podosphaera
xanthii,
an
obligate
biotrophic
pathogen,
which
usually
causes
powdery
mildew
(PM)
on
both
sides
leaves
reduces
photosynthesis.
The
fruits
infected
plants
often
smaller
than
usual
unpalatable.
This
study
identified
novel
gene
that
involves
PM
resistance
pumpkins
through
genome-wide
association
(GWAS).
allelic
variation
CmoCh3G009850
encoding
for
AP2-like
ethylene-responsive
transcription
factor
(CmoAP2/ERF)
was
proven
be
involved
resistance.
Validation
GWAS
data
revealed
six
single
nucleotide
polymorphism
(SNP)
variations
CmoAP2/ERF
coding
sequence
between
resistant
(IT
274039
[PMR])
278592
[PMS]).
A
polymorphic
marker
(dCAPS)
developed
based
diversity
differentiate
these
two
haplotypes.
Genetic
analysis
segregating
population
derived
from
PMS
PMR
parents
provided
evidence
incomplete
dominant
gene-mediated
Further,
qRT-PCR
assay
validated
elevated
expression
during
infection
compared
with
PMS.
These
results
highlighted
pivotal
role
conferring
identifies
it
as
valuable
molecular
entity
breeding
cultivars.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(19), P. 14464 - 14464
Published: Sept. 23, 2023
The
APETALA2/ethylene-responsive
transcription
factor
(AP2/ERF)
family
has
been
extensively
investigated
because
of
its
significant
involvement
in
plant
development,
growth,
fruit
ripening,
metabolism,
and
stress
responses.
To
date,
there
little
investigation
into
how
the
AP2/ERF
genes
influence
flower
formation
anthocyanin
biosynthesis
Lycoris.
Herein,
80
putative
LrAP2/ERF
factors
(TFs)
with
complete
open
reading
frames
(ORFs)
were
retrieved
from
Lycoris
transcriptome
sequence
data,
which
could
be
divided
five
subfamilies
dependent
on
their
protein
sequences.
Furthermore,
our
findings
demonstrated
that
belonging
to
same
subfamily
had
structural
similarities
conserved
motifs.
analyzed
for
playing
an
important
role
water
deprivation,
by
means
gene
ontology
(GO)
enrichment
analysis.
expression
pattern
differed
across
tissues
might
growth
development.
In
response
methyl
jasmonate
(MeJA)
exposure
drought
stress,
each
varied
time.
Moreover,
a
total
20
components
characterized
using
ultra-performance
liquid
chromatography-electrospray
ionization
tandem
mass
spectrometry
(UPLC-ESI-MS/MS)
analysis,
pelargonidin-3-O-glucoside-5-O-arabinoside
was
identified
as
major
aglycone
responsible
coloration
red
petals
addition,
we
mapped
relationships
between
metabolites
found
LrAP2/ERF16
is
strongly
linked
pelargonidin
accumulation
petals.
These
provide
basic
conceptual
groundwork
future
research
molecular
underpinnings
regulation
mechanisms
TFs
floral
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 26, 2024
Osmanthus
fragrans
is
an
ethylene-sensitive
flower,
and
flower
senescence
was
mediated
by
ethylene-responsive
transcription
factors
(
OfERFs
).
A
total
of
227
were
identified
from
O.
,
which
classified
into
five
subfamilies:
AP2
(35),
DREB
(57),
ERF
(125),
RAV
(6),
Soloist
(4).
Gene
composition
structural
analysis
indicate
that
members
different
subfamilies
have
gene
structures
conserved
domains.
Their
promoter
contains
various
functional
responsive
elements,
including
auxin,
jasmonic
acid,
other
elements.
Among
them,
124
OfAP2/ERF
genes
expressed
at
any
stage
flowering,
10
them
may
play
roles
in
flowering
or
senescence.
By
comparative
transcriptome
analysis,
OfAP2/ERFs
affected
ethephon
(ETH)
5′-azacytidine
(Aza)
treatment
divided
three
categories,
target
sets.
Importantly,
these
sets
participate
similar
biological
processes
metabolic
pathways,
suggesting
ethylene
DNA
hypomethylation
crosstalk
a
unique
mechanism
regulating
the
fragrans.
Co-expression
revealed
several
key
played
central
role
organic
acid
metabolism
biosynthesis
branched-chain
amino
acids
(BcAAs),
among
OfERF017
selected
for
further
analysis.
Overexpression
leads
to
significant
enrichment
decrease
levels
promoting
.
Together,
results
give
insights
characteristics
Metabolites,
Journal Year:
2023,
Volume and Issue:
13(6), P. 740 - 740
Published: June 10, 2023
Plant
reproduction
is
a
fundamental
process
on
Earth
from
the
perspective
of
biodiversity,
biomass
gain,
and
crop
productivity.
It
therefore
important
to
understand
sex
determination
process,
many
researchers
are
investigating
molecular
basis
this
phenomenon.
However,
information
influence
transcription
factors
(TFs),
genes
that
encode
DNA-binding
proteins,
limited,
although
cucumber
model
plant
in
regard.
In
present
study,
based
RNA-seq
data
for
differentially
expressed
(DEGs),
we
aimed
investigate
regulatory
TFs
may
metabolic
processes
shoot
apex
containing
forming
flower
buds.
Therefore,
annotation
genome
B10
line
was
supplemented
with
assigned
families
factors.
By
performing
ontology
analyses
DEGs,
they
participate
were
identified,
located
among
results.
addition,
have
significantly
overrepresented
targets
DEGs
detected,
sex-specific
interactome
network
maps
generated,
indicating
their
effects
furthermore,
leading
formation
different-sex
flowers.
Among
most
TF
comparisons
NAC,
bHLH,
MYB,
bZIP
families.
An
interaction
analysis
indicated
abundant
DEGs'
AP2/ERF,
bZIP,
those
significant
impact
developmental
namely
AP/ERF
family,
followed
by
DOF,
MADS,
others.
Thus,
networks'
central
nodes
key
regulators
identified
respect
male,
female,
hermaphrodite
forms.
Here,
proposed
first
influences
metabolism
development
cucumber.
These
findings
help
us
genetics
functional
mechanisms
underlying
processes.