The genome awakens: transposon-mediated gene regulation
Trends in Plant Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
LTR retrotransposon-derived novel lncRNA2 enhances cold tolerance in Moso bamboo by modulating antioxidant activity and photosynthetic efficiency
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e19056 - e19056
Published: Feb. 26, 2025
In
Moso
bamboo,
the
mechanism
of
long
terminal
repeat
(LTR)
retrotransposon-derived
non-coding
RNA
(TElncRNA)
in
response
to
cold
stress
remains
unclear.
this
study,
several
Pe-TElncRNAs
were
identified
from
bamboo
transcriptome
data.
qRT-PCR
analysis
showed
that
expression
a
novel
Pe-TElncRNA2
seedlings
reached
its
highest
level
at
8
hours
treatment
4
°C
and
was
significantly
higher
stems
compared
leaves,
roots,
buds.
Furthermore,
cellular
localization
revealed
cytoplasm
than
nucleus.
overexpression
protoplasts
positively
regulated
FZR2
,
NOT3
ABCG44
AGD6
genes.
Further
validation
lncRNA
Arabidopsis
thaliana
enhanced
antioxidant
activities,
as
evidenced
by
increased
superoxide
dismutase
(SOD)
activity
proline
content,
well
maximum
photochemical
efficiency
PS
II
dark-adapted
leaves
(
F
v
/
m
),
transgenic
plants
wild-type
controls.
Conversely,
malondialdehyde
(MDA)
lipid
peroxidation
marker
(a
oxidative
stress),
reduced
plants.
Notably,
levels
both
genes
upregulated
after
two
days
treatment.
These
findings
elucidate
critical
role
LTR
lncRNAs
mediating
responses
bamboo.
Language: Английский
Advances in bamboo genomics: Growth and development, stress tolerance, and genetic engineering
Wenjia Wang,
No information about this author
Qiyao Wu,
No information about this author
Nannan Wang
No information about this author
et al.
Journal of Integrative Plant Biology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
ABSTRACT
Bamboo
is
a
fast‐growing
and
ecologically
significant
plant
with
immense
economic
value
due
to
its
applications
in
construction,
textiles,
bioenergy.
However,
research
on
bamboo
has
been
hindered
by
long
vegetative
period,
unpredictable
flowering
cycles,
challenges
genetic
transformation.
Recent
developments
advanced
sequencing
engineering
technologies
have
provided
new
insights
into
bamboo's
evolutionary
history,
developmental
biology,
stress
resilience,
paving
the
way
for
improved
conservation
sustainable
utilization.
This
review
synthesizes
latest
findings
genomics,
biotechnology,
molecular
mechanisms
governing
growth,
development,
response.
Key
genes
regulatory
pathways
controlling
rapid
internode
elongation,
rhizome
culm
lignification,
flowering,
abiotic
responses
identified
through
multi‐omics
functional
studies.
Complex
interactions
among
transcription
factors,
epigenetic
regulators,
functionally
important
shape
unique
growth
characteristics.
Moreover,
progress
techniques,
including
clustered
regularly
interspaced
short
palindromic
repeats‐based
genome
editing,
opened
avenues
targeted
improvements.
technical
challenges,
particularly
complexity
of
polyploid
genomes
inefficient
regeneration
systems,
remain
barriers
studies
large‐scale
breeding
efforts.
By
integrating
recent
genomic
discoveries
advancements
this
proposes
potential
strategies
overcome
existing
technological
limitations
accelerate
development
varieties.
Continued
efforts
research,
gene‐editing
applications,
cultivation
practices
will
be
essential
harnessing
as
resilient
renewable
resource
future.
The
presented
here
not
only
deepens
our
understanding
architecture
but
also
provides
foundation
future
aimed
at
optimizing
ecological
industrial
potential.
Language: Английский
Culm Morphological Analysis in Moso Bamboo Reveals the Negative Regulation of Internode Diameter and Thickness by Monthly Precipitation
Qianwen Zhang,
No information about this author
Xue Chu,
No information about this author
Zhipeng Gao
No information about this author
et al.
Plants,
Journal Year:
2024,
Volume and Issue:
13(11), P. 1484 - 1484
Published: May 28, 2024
The
neglect
of
Moso
bamboo’s
phenotype
variations
hinders
its
broader
utilization,
despite
high
economic
value
globally.
Thus,
this
study
investigated
the
morphological
16
bamboo
populations.
analysis
revealed
culm
heights
ranging
from
9.67
m
to
17.5
m,
with
average
under
first
branch
4.91
7.67
m.
total
internode
numbers
varied
17
36,
lengths
spanning
2.9
cm
46.4
cm,
diameters
5.10
17.2
and
wall
thicknesses
3.20
mm
33.3
mm,
indicating
distinct
attributes
among
Furthermore,
strong
positive
correlations
were
observed
between
diameter,
thickness,
length,
volume.
coefficient
variation
height
showed
several
parameters,
variability
in
their
contribution
height.
A
regression
patterns
covariation
highlighting
influence
on
structural
characteristics.
Both
diameter
thickness
significantly
contribute
volume
height,
parameters
tend
either
increase
or
decrease
together,
influencing
Moreover,
also
identified
a
significant
negative
correlation
monthly
precipitation
especially
during
December
January,
impacting
primary
thickening
growth
and,
consequently,
size.
Language: Английский
DNA methylation in wheat: current understanding and future potential for enhancing biotic and abiotic stress tolerance
Physiology and Molecular Biology of Plants,
Journal Year:
2024,
Volume and Issue:
30(12), P. 1921 - 1933
Published: Dec. 1, 2024
Language: Английский
Genetic and epigenetic reprogramming in response to internal and external cues by induced transposon mobilization in Moso bamboo
Long−Hai Zou,
No information about this author
Bailiang Zhu,
No information about this author
Yaxin Chen
No information about this author
et al.
New Phytologist,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 5, 2024
Summary
Long
terminal
repeat
retroelements
(LTR‐REs)
have
profound
effects
on
DNA
methylation
and
gene
regulation.
Despite
the
vast
abundance
of
LTR‐REs
in
genome
Moso
bamboo
(
Phyllostachys
edulis
),
an
industrial
crop
underdeveloped
countries,
their
precise
implication
LTR‐RE
mobility
stress
response
development
remains
unknown.
We
investigated
RNA
products
under
various
developmental
stages
stressful
conditions.
Surprisingly,
our
analyses
identified
thousands
active
LTR‐REs,
particularly
those
located
near
genes
involved
These
adjacent
to
exhibited
increased
expression
are
associated
with
reduced
that
is
likely
affected
by
induced
LTR‐REs.
Moreover,
simultaneous
mapping
insertions
showed
effectively
alter
epigenetic
status
genomic
regions
where
they
inserted,
concomitantly
transcriptional
competence
which
might
impact
resilience
growth
host.
Our
work
unveils
unusually
strong
its
close
association
(epi)genetic
changes,
supports
co‐evolution
parasitic
DNAs
host
attaining
tolerance
robustness.
Language: Английский