Mango
(Mangifera
indica
L.)
is
grown
in
Hainan,
Guangdong,
Yunnan,
Sichuan,
and
Fujian
provinces
Guanxi
autonomous
region
of
China.
However,
trees
growing
these
areas
suffer
severe
cold
stress
during
winter,
which
affects
the
yield.
To
this
regard,
data
on
global
metabolome
transcriptome
profiles
leaves
are
limited.
Here,
we
used
combined
analyses
three
mango
cultivars
with
different
tolerance,
i.e.
Jinhuang
(J)-tolerant,
Tainung
(T)
Guiremang
No.
82
(G)-susceptible,
after
24
(LF),
48
(MF)
72
(HF)
hours
cold.
Genomics,
Год журнала:
2023,
Номер
115(3), С. 110627 - 110627
Опубликована: Апрель 14, 2023
Hanfu
apple
is
the
main
cultivar
grown
in
cool
areas
of
Northeast,
Northwest,
and
North
China.
Here,
we
proposed
a
chromosome-level
genome
assembly
using
PacBio,
Illumina
Hi-C
sequencing
data.
The
total
contig
length
was
628.99
Mb,
with
scaffold
N50
sizes
36.18
Mb
1.25
respectively.
had
39,617
genes,
which
predicted
function
for
38,816.
Evolutionary
analysis
showed
that
may
have
undergone
γ-event,
recent
whole-genome
duplication.
A
comparative
conducted
on
genomes
homozygous
triploid
HFTH1,
were
cultured
anthers
diploid
apples.
Three
variants
identified,
including
2,155,184
single
nucleotide
polymorphisms
(SNPs),
413,108
insertions/deletions
(indels),
7,587
structural
(SVs).This
high-quality
will
provide
reference
genetic
improvement
apples
breeding
more
varieties
high
resistance
quality.
Environmental and Experimental Botany,
Год журнала:
2023,
Номер
213, С. 105413 - 105413
Опубликована: Июнь 16, 2023
Low
temperature
is
a
primary
abiotic
stress
that
significantly
affects
plant
growth
and
development
in
the
cool
regions
of
Northeast
China.
It
limiting
factor
global
apple
industry.
Numerous
studies
have
investigated
alterations
transcriptional
metabolism
under
low-temperature
various
plants.
However,
research
on
role
dormancy
regulating
differences
cold
tolerance
among
varieties
limited.
Therefore,
this
study
conducted
comprehensive
analysis
physiological
biochemical
indices,
transcriptome,
metabolome
cold-tolerant
variety
'Hanfu'
(HF)
cold-sensitive
'Naganofuji
2′
(CF)
during
endodormancy
ecodormancy.
Under
treatment,
cross-section
1-year-old
branch
CF
exhibited
more
severe
browning
than
HF
did,
relative
electrolyte
leakage
value
was
higher
HF.
Transcriptomics
metabolomics
revealed
key
pathways
apples
response
to
stress.
Functional
enrichment
showed
hormone
signal
transduction
amino
acid
metabolism-related
were
enriched
ecodormancy,
these
considered
an
important
way
for
respond
freezing
injury.
The
galactose
pathway
only
endodormancy,
while
membrane
lipid
A
gene
co-expression
network
constructed
using
weighted
correlation
analysis,
six
modules
with
biological
significance
selected
from
network.
Among
them,
genes
encoding
transcription
factors
such
as
DREB1C/CBF2,
JUB1,
CCCH,
VIP1
are
hub
different
modules,
which
can
be
used
candidate
explore
regulation
Overall,
findings
help
elucidate
molecular
mechanism
underlying
freeze-tolerance
provide
novel
insights
into
regulatory
involved
dormancy.
Genes,
Год журнала:
2023,
Номер
14(7), С. 1462 - 1462
Опубликована: Июль 18, 2023
Fagopylum
tatarium
(L.)
Gaertn
(buckwheat)
can
be
used
both
as
medicine
and
food
is
also
an
important
crop
in
barren
areas
has
great
economic
value.
Exploring
the
molecular
mechanisms
of
response
to
cadmium
(Cd)
stress
provide
theoretical
reference
for
improving
buckwheat
yield
quality.
In
this
study,
perennial
tartary
DK19
was
experimental
material,
its
key
metabolic
pathways
Cd
were
identified
verified
through
transcriptomic
metabolomic
data
analysis.
investigation,
1798
metabolites
non-targeted
analysis
containing
1091
up-regulated
984down-regulated
after
treatment.
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
differential
significantly
enriched
galactose
metabolism,
glycerol
phenylpropane
biosynthesis,
glutathione
starch
sucrose
metabolism.
Linkage
detected
11
differentially
expressed
genes
(DEGs)
metabolism
pathway,
8
candidate
DEGs
lipid
20
pathway.
The
results
our
study
provided
useful
clues
genetically
resistance
by
analyzing
mechanism
tolerance
buckwheat.
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(2)
Опубликована: Фев. 29, 2024
Abstract
Banana
(
Musa
spp.)
production
is
seriously
threatened
by
low
temperature
(LT)
in
tropical
and
subtropical
regions.
Xyloglucan
endotransglycosylase/hydrolases
(XTHs)
are
considered
chief
enzymes
cell
wall
remodelling
play
a
central
role
stress
responses.
However,
whether
MaXTHs
involved
the
tolerance
banana
not
clear.
Here,
identification
characterization
of
were
carried
out,
followed
prediction
their
cis‐acting
elements
protein–protein
interactions.
In
addition,
candidate
to
LT
screened
through
comparison
responses
between
tolerant
sensitive
cultivars
using
RNA‐Seq
analysis.
Moreover,
immunofluorescence
(IF)
labelling
was
employed
compare
changes
temporal
spatial
distribution
different
types
xyloglucan
components
these
two
upon
stress.
total,
53
have
been
identified,
all
predicted
be
located
wall,
14
them
also
cytoplasm.
Only
11
found
interact
with
other
proteins.
Among
16
responsiveness
elements,
MaXTH26/29/32/35/50
(Group
I/II
members)
MaXTH7/8
IIIB
might
IF
results
suggested
that
content
recognized
CCRC‐M87/103/104/106
antibodies
negatively
related
chilling
tolerance.
conclusion,
we
identified
MaXTH
gene
family
assessed
re‐modelling
under
These
will
beneficial
for
breeding
against
stresses
enrich
wall‐mediated
resistance
mechanism
plants
stresses.
Ornamental Plant Research,
Год журнала:
2024,
Номер
4(1), С. 0 - 0
Опубликована: Янв. 1, 2024
Rosaceae
plants
are
widely
distributed
worldwide.
These
plants,
including
well-known
ornamental
and
those
producing
temperate
fruits,
have
significant
economic
value.
The
utilization
of
omics
technologies
has
significantly
advanced
the
research
progress
on
in
various
areas
germplasm
resources,
molecular
breeding,
evolutionary
domestication.
Here,
we
provide
an
overview
applications
Rosaceae.
It
includes
whole-genome
sequencing
assembly
as
well
genome-wide
association
studies,
transcriptome,
proteomics,
metabolomics,
comparative
genomics.
techniques
used
to
understand
genetic
regulatory
mechanisms
underlying
important
traits
such
flower
color,
fragrance,
stress
tolerance,
fruit
quality.
We
outline
prospects
genomics
aiming
establish
a
foundation
for
comprehending
breeding
traits.
This
could
potentially
theoretical
support
rapidly
cultivating
new
varieties.
Plants,
Год журнала:
2024,
Номер
13(8), С. 1100 - 1100
Опубликована: Апрель 15, 2024
Low-temperature
stress
significantly
limits
the
growth,
development,
and
geographical
distribution
of
apple
cultivation.
Spermidine
(Spd),
a
known
plant
growth
regulator,
plays
vital
role
in
plant’s
response
to
abiotic
stress.
Yet,
mechanisms
by
which
exogenous
Spd
enhances
cold
resistance
apples
remain
poorly
understood.
Therefore,
present
study
analyzed
effects
on
antioxidant
enzyme
activity,
polyamine
metabolism,
related
gene
expression
levels
1-year-old
branches
under
low-temperature
Treatment
with
was
found
stabilize
branch
tissue
biofilms
reduce
reactive
oxygen
species
elevating
proline
content
boosting
activity
antioxidants
such
as
superoxide
dismutase.
It
also
upregulated
activities
arginine
decarboxylase,
S-adenosylmethionine
spermidine
synthase
MdADC1,
MdSAMDC1,
MdSPDS1
led
accumulation
large
amounts
spermine.
Moreover,
compared
2
mmol·L−1
treatment,
1
treatment
increased
cold-responsive
genes
MdCBF1/2/3,
MdCOR47,
MdKIN1,
significantly.
The
findings
suggest
that
can
enhance
This
enhancement
is
achieved
modulating
metabolism
improving
defense
mechanisms,
could
be
exploited
improve
cultivation
conditions.
Catalpa
bungei,
a
tree
indigenous
to
China,
is
renowned
for
its
superior
timber
quality
and
as
an
ornamental
in
horticulture.
To
promote
the
cultivation
of
C.
bungei
cold
regions
expand
distribution,
enhancing
tolerance
essential.
The
CCCH
gene
family
widely
involved
plant
growth,
development,
expression
under
stress
conditions,
including
low-temperature
stress.
However,
comprehensive
identification
analysis
these
genes
have
not
yet
been
conducted.
This
study
aims
identify
key
cold-tolerance-related
within
providing
necessary
theoretical
support
expansion
regions.
In
this
study,
61
were
identified
characterized.
Phylogenetic
assessment
divided
into
9
subfamilies,
with
55
members
mapped
across
16
chromosomes.
structures
protein
motifs
indicated
that
same
subfamily
shared
similar
exon/intron
distribution
motif
patterns,
supporting
phylogenetic
classification.
Collinearity
suggested
segmental
duplications
played
significant
role
family.
Notably,
RNA
sequencing
4
°C
conditions
CbuC3H24
CbuC3H58
exhibiting
most
responses,
highlighting
their
importance
zinc
finger
response
findings
lay
foundation
further
exploring
mechanisms
crucial
insights
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Сен. 9, 2024
Low
ground
temperature
is
a
major
factor
limiting
overwintering
in
cucumber
cultivation
facilities
northern
alpine
regions.
Lower
temperatures
the
root
zone
directly
affect
physiological
function
of
system,
which
turn
affects
normal
activity
plants.
However,
importance
has
not
attracted
sufficient
attention.
