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.
Genes,
Journal Year:
2025,
Volume and Issue:
16(1), P. 97 - 97
Published: Jan. 17, 2025
Background:
Leaves
are
the
main
organs
involved
in
photosynthesis.
They
capture
light
energy
and
promote
gas
exchange,
their
size
shape
affect
yield.
Identifying
regulatory
networks
key
genes
that
control
citrus
leaf
is
essential
for
increasing
crop
Methods:
In
this
study,
transcriptome
sequencing
was
performed
on
three
materials:
‘Cuimi’
kumquat
(Nor)
variety
its
variants,
larger-leaf
(VarB)
smaller-leaf
(VarS)
varieties.
Results:
Correlation
principal
component
analyses
revealed
a
relatively
close
correlation
between
Nor
VarS.
A
total
of
7264
differentially
expressed
(DEGs),
including
2374
transcription
factors
(TFs),
were
identified,
254
DEGs
common
among
materials.
GO
KEGG
enrichment
significant
glucose
metabolism,
cell
wall
composition,
starch
biosynthesis,
photosynthesis
pathways.
WGCNA
identified
specific
modules
related
to
different
sizes
these
Fifteen
candidate
size,
factors,
Fh5g30470
(MYB),
Fh7g07360
(AP2/ERF),
Fh5g02470
(SAP),
basis
connectivity
functional
annotations.
Conclusions:
These
findings
provide
theoretical
foundation
deeper
understanding
molecular
mechanisms
underlying
offer
new
genetic
resources
study
size.
PeerJ,
Journal Year:
2021,
Volume and Issue:
9, P. e11647 - e11647
Published: June 24, 2021
Background
The
dehydration
responsive
element-binding
(DREB)
gene
family
plays
a
crucial
role
as
transcription
regulators
and
enhances
plant
tolerance
to
abiotic
stresses.
Although
the
DREB
has
been
identified
characterized
in
many
plants,
knowledge
about
it
Solanum
tuberosum
(Potato)
is
limited.
Results
In
present
study,
StDREB
was
comprehensively
analyzed
using
bioinformatics
approaches.
We
66
genes
through
genome
wide
screening
of
Potato
based
on
AP2
domain
architecture
amino
acid
conservation
analysis
(Valine
at
position
14th).
Phylogenetic
divided
them
into
six
distinct
subgroups
(A1–A6).
categorization
further
supported
by
structure
conserved
motif
analysis.
were
found
be
distributed
unevenly
across
12
chromosomes.
Gene
duplication
proved
that
experienced
tandem
segmental
events
which
led
expansion
family.
Ka/Ks
ratios
orthologous
pairs
also
demonstrated
under
strong
purification
selection
course
evolution.
Interspecies
synteny
revealed
45
36
Arabidopsis
lycopersicum
,
respectively.
Moreover,
subcellular
localization
indicated
predominantly
located
within
nucleus
family’s
major
function
DNA
binding
according
ontology
(GO)
annotation.
Conclusions
This
study
provides
comprehensive
systematic
understanding
precise
molecular
mechanism
functional
characterization
stress
responses
will
lead
improvement
.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: March 15, 2022
APETALA2/ETHYLENE
RESPONSIVE
FACTOR
(AP2/ERF),
a
plant-specific
transcription
factor
(TF)
family,
plays
an
essential
role
in
the
growth
and
development
of
plants,
their
response
to
biotic
abiotic
stresses.
However,
information
on
AP2/ERF
Cucurbita
moschata
(pumpkin),
edible
medicinal
vegetable
used
worldwide,
is
scarce.
A
total
212
genes
were
identified
C.
genome
(CmoAP2/ERFs).
Based
phylogenetic
analysis,
they
divided
into
four
groups-28
AP2s,
92
ERFs,
86
dehydration-responsive
element-binding
(DREB)
factors,
6
ABI3/VPs
(RAV).
The
unevenly
distributed
20
chromosomes
moschata.
results
structural
analysis
showed
absence
introns
132
CmoAP2/ERFs.
Four
pairs
tandem
duplication
155
segmental
events
identified,
which
indicated
that
duplications
might
be
main
reason
for
expansion
CmoAP2/ERF
family.
cis-regulatory
elements
(CREs)
most
CmoAP2/ERFs
contained
hormone
(ABREs,
EREs)
promoters,
suggesting
AP2/ERFs
could
contribute
processes
regulated
by
ethylene
abscisic
acid.
By
comparing
transcriptome
ethephon-treated
control
we
found
16
significantly
upregulated
after
ethephon
treatment.
Furthermore,
determined
expression
patterns
these
at
different
developmental
stages
female
male
flowers.
This
study
provides
insights
identification,
classification,
physicochemical
property,
chromosomal
location,
gene
structure,
motif
CRE
prediction
superfamily
Sixteen
as
ethylene-inducible
genes.
this
will
valuable
understanding
roles
should
provide
foundation
elucidating
function
TFs
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.