Characterization of TaMYB Transcription Factor Genes Revealed Possible Early-Stage Selection for Heat Tolerance in Wheat
International Journal of Plant Biology,
Год журнала:
2025,
Номер
16(2), С. 41 - 41
Опубликована: Март 26, 2025
Wheat
quality
and
quantity
are
challenged
by
increasing
global
temperature,
which
poses
an
urgent
need
for
heat
tolerance
breeding
in
wheat.
The
identification
of
seedling-stage
factors
highly
associated
with
reproductive-stage
performance
can
enable
early-stage
selection
enhance
the
efficiency
effectiveness
breeding.
This
study
investigated
myeloblastosis
(MYB)
gene
family,
one
largest
transcription
factor
(TF)
families
plants,
its
response
to
seedling-
stress
Genome-wide
analysis
MYB
TF
genes
identified
876
TaMYB
genes,
48
were
selected
qRT-PCR
expression
based
on
silico
under
abiotic
stresses.
Correlation
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR)
pattern
a
heat-tolerant
genotype
(Perenjori)
two
heat-sensitive
genotypes
(Brazil32
Yitpi)
at
seedling
stage
grain-filling
five
(TaMYB-327,
TaMYB-049,
TaMYB-030,
TaMYB-226,
TaMYB-023)
four
(TaMYB-232,
TaMYB-343,
TaMYB-305,
TaMYB399)
sensitivity
As
important
stress-responsive
these
showed
similar
patterns
between
early
late
developmental
stages,
indicating
existence
correlation
therefore
providing
theoretical
basis
Язык: Английский
Toxicological Assessment of Bisphenol a in Capsicum Annuum L
Опубликована: Янв. 1, 2025
Язык: Английский
Genome-Wide Screening of the MYB Genes in Coptis chinensis and Their Roles in Growth, Development, and Heavy Metal Resistance
Genes,
Год журнала:
2025,
Номер
16(5), С. 476 - 476
Опубликована: Апрель 23, 2025
Background:
Coptis
chinensis
is
a
traditional
medicinal
plant
rich
in
bioactive
compounds
like
berberine,
known
for
its
antibacterial,
anti-inflammatory,
and
antioxidant
properties.
This
study
aims
to
analyze
the
MYB
transcription
factor
family
C.
better
understand
their
roles
growth,
development,
metabolism,
stress
responses.
Methods:
We
employed
bioinformatics
conduct
genome-wide
identification
of
genes
chinensis,
followed
by
analyses
physicochemical
properties,
phylogenetic
relationships,
gene
structures,
chromosomal
localization,
conserved
motifs,
cis-acting
elements,
expression
patterns.
Results
were
validated
using
qRT-PCR.
Results:
A
total
129
CcMYB
identified
across
nine
chromosomes.
Phylogenetic
analysis
categorized
these
into
19
subgroups,
notably
highlighting
S6
subgroup,
which
lacks
counterparts
Arabidopsis.
Comparative
genomics
revealed
segmental
duplication
among
pairs.
Transcriptomic
indicated
that
CcMYB21,
CcMYB40,
CcMYB105,
CcMYB116
had
high
levels
stems.
Importantly,
CcMYB94
significantly
increased
under
cadmium
stress,
suggesting
role
regulation.
Conclusions:
offers
comprehensive
underscoring
significance
factors
enhancing
plant’s
value
tolerance,
particularly
against
exposure.
These
insights
pave
way
further
exploration
specific
improve
resilience
chinensis.
Язык: Английский
A Genome-Wide Analysis of the VuR2R3-MYB Gene Family in Cowpea and Its Expression in Anthocyanin Accumulation
Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1075 - 1075
Опубликована: Апрель 28, 2025
Purple
cowpea
accumulates
abundant
anthocyanins
in
its
epidermis,
with
R2R3-MYB
transcription
factors
serving
as
potential
regulators
of
anthocyanin
accumulation.
This
study
systematically
deciphered
the
genome-wide
characteristics
factors,
elucidating
their
critical
roles
plant
Employing
a
combined
strategy
HMMER
Hidden
Markov
Model
searches
and
BLASTP
homology
alignment,
we
successfully
identified
127
non-redundant
VuR2R3-MYB
factors.
The
encoded
proteins
exhibited
remarkable
physicochemical
diversity:
average
length
reached
338.8
amino
acid
residues,
theoretical
isoelectric
points
distributed
between
4.79
10.91
residues.
When
performing
phylogenetic
analysis
Arabidopsis
homologs,
27
distinct
subgroups
were
identified.
Among
them,
S4–S7
clades
showed
conserved
protein
architectures,
which
might
play
role
regulating
phenylpropanoid
pathway.
An
gene
architecture
revealed
patterns
intron/exon
organization.
Specifically,
85
out
loci
(66.9%)
presented
typical
two-intron
configuration,
whereas
18
genes
had
no
introns.
investigation
promoters
found
that,
on
average,
each
52
cis-regulatory
elements.
These
elements
mainly
light-responsive
motifs
phytohormone-related
Chromosomal
mapping
indicated
an
uneven
distribution
these
across
11
chromosomes.
Duplication
further
13
tandem
repeats
54
segmentally
duplicated
pairs.
evolutionary
constraints
demonstrated
that
purifying
selection
was
predominant
(Ka/Ks
<
0.5)
among
paralogous
Through
comparative
transcriptomics
pod
color
variants,
19
differentially
expressed
MYB
included
VuR2R3-MYB23
(MYB3
homolog),
VuR2R3-MYB95
(MYB4
VuR2R3-MYB53
(MYB114
VuR2R3-MYB92
(MYB5
strong
correlation
Our
findings
are
expected
to
contribute
regulatory
mechanisms
through
mediate
biosynthesis
Язык: Английский