Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 3, 2022
Excessive
production
of
reactive
oxygen
species
(ROS)
leads
to
potential
toxicity
in
an
organism.
Class
III
peroxidases
(PRXs)
play
important
role
maintaining
ROS
homeostasis
plants.
Internal
browning
(IB)
limits
industrial
development
pineapple,
which
is
the
third
most
fruit
trade
world.
IB
mainly
caused
by
ROS,
and
mechanism
underlying
still
unknown
from
perspective
ROS.
Here,
we
soaked
pineapples
ascorbic
acid
after
harvest
before
storage
decrease
excessive
polyphenol
oxidase
(PPO)
activity,
ultimately
restraining
spread
deterioration
IB.
Using
phylogenetic
analysis;
identified
78
pineapple
PRX
genes
(AcPRXs)
divided
them
into
five
subgroups.
Gene
structure
analysis
indicated
that
exon
numbers
ranged
2
14,
conserved
motif
verified
all
AcPRXs
here
have
standard
peroxidase
domains.
Analysis
duplication
events
suggested
tandem
segmental
may
played
equal
roles
expanding
AcPRX
family.
Comprehensive
transcriptomic
uncovered
negatively
regulating
occurrence
In
summary,
found
scavenging
delayed
occurrence.
The
results
characterized
family
revealed
responded
growth
development,
regulated
stage.
This
research
provides
target
for
future
in-depth
molecular
mechanisms
contributes
develop
IB-resistant
varieties.
Frontiers in Genetics,
Journal Year:
2021,
Volume and Issue:
12
Published: Oct. 13, 2021
APETALA2/ethylene
response
element-binding
factor
(AP2/ERF)
transcription
factors
(TFs)
have
been
found
to
regulate
plant
growth
and
development
various
abiotic
stresses.
However,
detailed
information
of
AP2/ERF
genes
in
peanut
against
drought
has
not
yet
performed.
Herein,
185
TF
members
were
identified
from
the
cultivated
(
A.
hypogaea
cv.
Tifrunner)
genome,
clustered
into
five
subfamilies:
AP2
(APETALA2),
ERF
(ethylene-responsive-element-binding),
DREB
(dehydration-responsive-element-binding),
RAV
(related
ABI3/VP),
Soloist
(few
unclassified
factors)).
Subsequently,
phylogenetic
relationship,
intron–exon
structure,
chromosomal
location
AhAP2/ERF
further
characterized.
All
these
distributed
unevenly
across
20
chromosomes,
14
tandem
85
segmental
duplicated
gene
pairs
which
originated
ancient
duplication
events.
Gene
evolution
analysis
showed
that
Tifrunner
separated
64.07
66.44
Mya
Medicago
truncatula
L.
Glycine
max
L.,
respectively.
Promoter
discovered
many
cis
-acting
elements
related
light,
hormones,
tissues,
stress
responsiveness
process.
The
protein
interaction
network
predicted
exitance
functional
among
families
or
subgroups.
Expression
profiles
,
dehydration-responsive-element-binding
subfamilies
significantly
upregulated
under
conditions.
Our
study
laid
a
foundation
provided
panel
candidate
TFs
for
validation
uplift
breeding
programs
drought-resistant
cultivars.
Genes,
Journal Year:
2022,
Volume and Issue:
13(5), P. 895 - 895
Published: May 17, 2022
Pomegranate
(Punica
granatum
L.)
is
a
kind
of
fruit
with
significant
economic,
ecological
and
health
values.
AP2/ERF
transcription
factors
belong
to
large
group
mainly
found
in
plants
play
key
roles
plant
growth
development.
However,
genes
pomegranate
their
implication
development
postharvest
preservation
have
been
little
described.
In
this
study,
116
PgAP2/ERF
were
identified
renamed
based
on
chromosomal
distributions.
Phylogenetic
relationship
from
other
species,
structures,
duplications,
annotations,
cis-elements
promoter
sequences,
protein-protein
interaction
networks
among
proteins
comprehensively
explored.
Expression
analysis
revealed
several
PgAP2/ERFs
associated
the
phenotypes
seed
hardness,
including
PgAP2/ERF5,
PgAP2/ERF36,
PgAP2/ERF58,
PgAP2/ERF86.
Subsequent
indicated
that
many
differentially
expressed
are
potentially
important
regulators
Furthermore,
expression
more
than
one-half
was
repressed
‘Tunisian
soft
seed’
under
low-temperature
cold
storage.
The
results
showed
1-MCP
implicated
promoting
upregulated
PgAP2/ERF4,
PgAP2/ERF15,
PgAP2/ERF26,
PgAP2/ERF30,
PgAP2/ERF35
PgAP2/ERF45
compared
those
This
indicates
these
candidate
involved
preservation.
summary,
findings
present
study
provide
an
basis
for
characterizing
family
information
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(14), P. 7529 - 7529
Published: July 7, 2022
Populus
ussuriensis
Kom.
is
a
valuable
forest
regeneration
tree
species
in
the
eastern
mountainous
region
of
Northeast
China.
It
known
that
diploid
P.
(CK)
performed
barely
satisfactorily
under
salt
stress,
but
stress
tolerance
polyploid
(i.e.,
triploid
(T12)
and
tetraploid
(F20))
still
unknown.
In
order
to
compare
response
mechanism
between
ussuriensis,
phenotypic
observation,
biological
biochemistry
index
detections,
transcriptome
sequencing
(RNA-seq)
were
on
CK,
T12,
F20.
Phenotypic
observation
leaf
injury
analysis
indicated
CK
suffered
more
severe
than
T12
SOD
POD
activity
detections
capacity
was
stronger
MDA
content,
proline
content
relative
electric
conductivity
most
cell-membrane
damage,
exhibited
strongest
osmoprotective
stress.
Transcriptome
DEGs
F20
different
category
change
trend,
there
abundant
WRKY,
NAM,
MYB
AP2/ERF
genes
among
GO
term
enrichment
basic
growth
progresses
obviously
influenced,
while
immediately
launched
processes
36
h
after
KEGG
mainly
involved
plant−pathogen
interaction,
ribosome
biogenesis
eukaryotes,
protein
processing
endoplasmic
reticulum,
degradation
aromatic
compounds,
plant
hormone
signal
transduction,
photosynthesis,
carbon
metabolism
pathways.
The
cysteine
methionine
metabolism,
phagosomes,
biosynthesis
amino
acids,
phenylalanine,
tyrosine
tryptophan
biosynthesis,
starch
sucrose
zeatin
glutathione
conclusion,
>
CK).
differences
probably
are
key
clues
for
discovering
transduction
network
Ussuriensis.
Journal of Experimental Botany,
Journal Year:
2022,
Volume and Issue:
73(19), P. 6727 - 6743
Published: Aug. 20, 2022
DELLA
proteins
are
important
repressors
of
gibberellin
signaling,
regulating
plant
development
and
defense
responses
through
crosstalk
with
various
phytohormones.
Sugarcane
ScGAI
encodes
a
protein
that
regulates
culm
development.
However,
it
is
unclear
which
transcription
factors
mediate
the
ScGAI.
Here,
we
identified
two
different
promoter
sequences
cooperatively
regulate
transcription.
We
also
nuclear-localized
AP2
family
factor,
ScAIL1,
inhibits
by
directly
binding
to
promoters.
ScAIL1
was
expressed
in
all
sugarcane
tissues
tested
induced
stressors,
including
NaCl,
polyethylene
glycol,
pathogenic
fungi
bacteria.
Overexpression
rice
significantly
improved
resistance
bacterial
blight
blast,
while
reducing
growth
In
addition,
several
genes
associated
stress
were
up-regulated
transgenic
overexpressing
ScAIL1.
Endogenous
phytohormone
content
expression
analysis
further
revealed
ScAIL1-overexpressing
lines
blast
instead
promoting
growth,
this
response
increased
jasmonic
acid
synthesis
inactivation.
These
results
provide
molecular
evidence
role
related
signaling.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(8), P. 7102 - 7102
Published: April 12, 2023
The
AP2/ERF
transcription
factor
family
is
one
of
the
most
important
gene
families
in
plants
and
plays
a
vital
role
plant
abiotic
stress
responses.
Although
Erianthus
fulvus
very
genetic
improvement
sugarcane,
there
are
few
studies
concerning
genes
E.
fulvus.
Here,
we
identified
145
genome.
Phylogenetic
analysis
classified
them
into
five
subfamilies.
Evolutionary
showed
that
tandem
segmental
duplication
contributed
to
expansion
EfAP2/ERF
family.
Protein
interaction
twenty-eight
proteins
other
had
potential
relationships.
Multiple
cis-acting
elements
present
promoter
were
related
response,
suggesting
may
contribute
adaptation
environmental
changes.
Transcriptomic
RT-qPCR
analyses
revealed
EfDREB10,
EfDREB11,
EfDREB39,
EfDREB42,
EfDREB44,
EfERF43,
EfAP2-13
responded
cold
stress,
EfDREB5
EfDREB42
drought
EfDREB5,
ABA
treatment.
These
results
will
be
helpful
for
better
understanding
molecular
features
biological
lay
foundation
further
research
on
function
regulatory
mechanism
response.
Forests,
Journal Year:
2025,
Volume and Issue:
16(1), P. 94 - 94
Published: Jan. 8, 2025
The
APETALA2/ethylene-responsive
factor
(AP2/ERF)
is
a
well-researched
superfamily
of
plant
transcription
factors.
APETALA2
(AP2)
subfamily
essential
for
growth
and
development.
However,
systematic
analysis
the
AP2
in
poplar
has
yet
to
be
conducted.
This
study
identified
29
genes
genome,
classifying
them
into
three
clades—euAP2,
euANT,
basalANT
based
on
evolutionary
relationships.
These
are
distributed
across
12
chromosomes
one
scaffold.
Results
from
syntenic
suggest
that
whole-genome
duplication
events
primary
factors
driving
expansion
poplar.
Cis-element
reveals
numerous
PtAP2
possess
hormone-related
cis-elements.
also
contain
cis-elements
linked
development
stress
responses.
PtAP2s
different
clades
exhibit
significantly
tissue-specific
expression
patterns
Gene
levels
euAP2
clade
higher
than
euANT
various
tissues,
with
showing
lowest
expression.
Through
RT-qPCR
recombinant
Saccharomyces
cerevisiae
assays
under
salt
stress,
it
was
discovered
majority
showed
negative
response
regulation
trees.
In
conclusion,
this
offers
valuable
insights
tolerance
trees
role
conditions.