AgroEnvironmental Sustainability,
Journal Year:
2023,
Volume and Issue:
1(3), P. 265 - 273
Published: Oct. 24, 2023
Cereal
crops
are
critical
to
global
food
security
and
valued
for
their
adaptability
nutritional
value.
However,
they
increasingly
threatened
by
abiotic
stresses
such
as
water
scarcity,
high
soil
salinity,
severe
climatic
conditions,
nutrient
deficiencies.
This
review
focuses
on
the
central
role
of
transcription
factors
(TFs)
in
response
cereal
these
environmental
challenges.
TFs,
DREB
family,
bZIP
WRKY
emerge
players
this
intricate
regulatory
network.
They
initiate
or
inhibit
activation
stress-responsive
genes
binding
specific
cis-regulatory
elements
located
gene
promoters
enhance
resilience
various
stresses.
For
example,
DREB1/CBF
TFs
alleviate
cold
stress,
NAM,
ATAF1/2,
CUC2
(NAC)
combat
salinity
modulate
responses
drought,
stress
initiating
vital
physiological
processes,
including
osmotic
regulation,
antioxidant
defense,
ion
homeostasis,
ultimately
promoting
tolerance.
Genetic
engineering
strategies
that
overexpress
hold
great
promise
enhancing
crop
productivity
face
climate
change.
In
addition,
also
emphasizes
potential
epigenetic
modifications,
DNA
methylation
histone
fine-tune
control
respond
These
findings
benefit
agriculture
addressing
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
AbstractCinnamomum
camphora,
a
key
multifunctional
tree
species,
serves
primarily
landscaping.
Leaf
color,
crucial
for
its
ornamental
appeal,
undergoes
transformation
to
red.
However,
the
molecular
mechanisms
remain
largely
unexplored
in
C.
camphora.
In
this
study,
green
leaf
(GL),
color
turning
red
(RL)
and
whole
(WRL)
were
obtained
measure
pigment
contents,
GL
RL
analyzed
transcriptomic
alterations.
A
decline
chlorophylls
rise
anthocyanins
observed
during
from
translate
Using
LC
MS/MS,
11
kinds
of
showed
significant
accumulative
differences,
with
Cyanidin-3,5-O-diglucoside
exhibiting
greatest
disparity.
Comparative
RNA-seq
identified
22,948
genes
against
reference
genes,
revealing
544
novel
genes.
Of
these,
4,065
up-regulated
8,152
down-regulated.
Among
them,
22,
4,
31
differentially
expressed
(DEGs)
associated
chlorophyll
biosynthesis,
degradation,
anthocyanin
respectively.
Additionally,
differential
expression
was
noted
64
bHLH,
54
MYB,
21
MYB-like
transcription
factors.
These
findings
suggest
strong
correlation
between
metabolism
transcriptome
data
release
mechanism
translated
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
Cinnamomum
camphora,
a
key
multifunctional
tree
species,
primarily
serves
in
landscaping.
Leaf
color
is
crucial
for
its
ornamental
appeal,
undergoing
transformation
to
red
that
enhances
the
value
of
C.
camphora.
However,
molecular
mechanisms
underlying
this
remain
largely
unexplored.
In
study,
green
leaf
(GL),
turning
(RL)
and
whole
(WRL)
were
obtained
measure
pigment
contents,
while
GL
RL
analyzed
transcriptomic
alterations.
A
decline
chlorophyll
content
rise
anthocyanins
observed
during
transition
from
leaves.
Using
LC
MS/MS,
11
types
showed
significant
accumulative
differences,
with
cyanidin-3,5-O-diglucoside
exhibiting
greatest
disparity.
Comparative
RNA-seq
identified
22,948
genes
against
reference
genes,
revealing
544
novel
genes.
Of
these,
3,222
up-regulated
7,391
down-regulated
when
FPKM
mean
>
1
at
least
one
group.
The
ribosome
was
as
most
abundant
KEGG
term,
substantial
number
differentially
expressed
(DEGs).
results
indicated
downward
trend
protein
content,
highest
concentration.
22,
4,
29
DEGs
associated
biosynthesis,
degradation,
anthocyanin
respectively.
Most
related
biosynthesis
down-regulated.
SGR
SGRL,
which
are
exhibited
opposite
differential
expression,
resulting
decrease
RL.
significantly
ANS
UFGT
advantageous
contributing
coloration
observed.
Additionally,
expression
noted
40
R2R3-MYBs.
Two
MYB90
(Ccam01G003512
Ccam01G003515)
homologs
AtMYB113
also
high
levels
up-regulation
These
findings
suggest
strong
correlation
between
metabolism
transcriptome
data,
elucidating
mechanism
leads
leaves
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 30, 2023
Abstract
Background
The
finger
lime
(
Citrus
australasica
),
one
of
six
Australian
endemic
citrus
species
shows
a
high
natural
phenotypic
diversity
and
novel
characteristics.
wide
variation
unique
horticultural
features
have
made
this
an
attractive
candidate
for
domestication.
Here
we
present
quality,
haplotype-resolved
reference
genome
using
PacBio
HiFi
Hi-C
sequencing.
Results
Hifiasm
assembly
SALSA
scaffolding
resulted
in
collapsed
size
344.2
Mb
321.1
323.2
the
two
haplotypes.
nine
pseudochromosomes
had
N50
35.2
Mb,
99.1%
completeness
98.9%
gene
annotation
(BUSCO).
A
total
41,304
genes
were
predicted
nuclear
genome.
Comparison
with
C.
australis
revealed
that
13,661
.
These
mainly
involved
plant-pathogen
interactions,
stress
response,
cellular
metabolic
developmental
processes,
signal
transduction.
genomes
showed
syntenic
arrangement
at
chromosome
level
large
structural
rearrangements
some
chromosomes.
Genetic
among
five
cultivars
was
analysed.
Genes
related
to
defense,
synthesis
volatile
compounds
red/yellow
coloration
identified
major
expansion
encoding
thylakoid
curvature
proteins
found
Conclusions
This
haplotype
resolved
contributes
our
understanding
evolution
reveals
disease
resistance
quality
potential
accelerate
genetic
improvement
citrus.
AgroEnvironmental Sustainability,
Journal Year:
2023,
Volume and Issue:
1(3), P. 265 - 273
Published: Oct. 24, 2023
Cereal
crops
are
critical
to
global
food
security
and
valued
for
their
adaptability
nutritional
value.
However,
they
increasingly
threatened
by
abiotic
stresses
such
as
water
scarcity,
high
soil
salinity,
severe
climatic
conditions,
nutrient
deficiencies.
This
review
focuses
on
the
central
role
of
transcription
factors
(TFs)
in
response
cereal
these
environmental
challenges.
TFs,
DREB
family,
bZIP
WRKY
emerge
players
this
intricate
regulatory
network.
They
initiate
or
inhibit
activation
stress-responsive
genes
binding
specific
cis-regulatory
elements
located
gene
promoters
enhance
resilience
various
stresses.
For
example,
DREB1/CBF
TFs
alleviate
cold
stress,
NAM,
ATAF1/2,
CUC2
(NAC)
combat
salinity
modulate
responses
drought,
stress
initiating
vital
physiological
processes,
including
osmotic
regulation,
antioxidant
defense,
ion
homeostasis,
ultimately
promoting
tolerance.
Genetic
engineering
strategies
that
overexpress
hold
great
promise
enhancing
crop
productivity
face
climate
change.
In
addition,
also
emphasizes
potential
epigenetic
modifications,
DNA
methylation
histone
fine-tune
control
respond
These
findings
benefit
agriculture
addressing