Nucleic Acids Research,
Journal Year:
2023,
Volume and Issue:
52(D1), P. D322 - D333
Published: Nov. 13, 2023
Abstract
Transposable
elements
(TEs)
are
abundant
in
the
genome
and
serve
as
crucial
regulatory
elements.
Some
TEs
function
epigenetically
regulated
promoters,
these
TE-derived
transcription
start
sites
(TSSs)
play
a
role
regulating
genes
associated
with
specific
functions,
such
cancer
embryogenesis.
However,
lack
of
an
accessible
database
that
systematically
gathers
TSS
data
is
current
research
gap.
To
address
this,
we
established
TE-TSS,
integrated
resource
human
mouse
TSSs
(http://xozhanglab.com/TETSS).
TE-TSS
has
compiled
2681
RNA
sequencing
datasets,
spanning
various
tissues,
cell
lines
developmental
stages.
From
these,
identified
5768
2797
TSSs,
47%
38%
being
experimentally
validated,
respectively.
enables
comprehensive
exploration
usage
diverse
samples,
providing
insights
into
tissue-specific
gene
expression
patterns
transcriptional
Furthermore,
compares
regions
across
15
mammalian
species,
enhancing
our
understanding
their
evolutionary
functional
aspects.
The
establishment
facilitates
further
investigations
roles
shaping
transcriptomic
landscape
offers
valuable
resources
for
comprehending
involvement
biological
processes.
Biomaterials Science,
Journal Year:
2023,
Volume and Issue:
11(16), P. 5439 - 5461
Published: Jan. 1, 2023
The
rapid
development
of
synthetic
biology
allows
us
to
perform
a
heterologous
expression
recombinant
collagens
in
diverse
systems
(prokaryotic
organisms,
yeasts,
plants,
insects,
mammalian
and
human
cells,
etc.
).
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 931 - 931
Published: Jan. 23, 2025
Local
adaptations
are
important
in
evolution
as
they
drive
population
divergence
and
preserve
standing
genetic
diversity
essential
for
resilience
under
climate
change
human
impacts.
Protecting
locally
adapted
populations
is
aquaculture
species.
However,
high
larval
connectivity
frequent
translocations
challenge
this
Chilean
blue
mussel
(Mytilus
chilensis)
aquaculture,
a
world-class
industry
Chiloé
Island.
This
study
examined
local
two
ecologically
distinct
natural
beds,
Cochamó
(northernmost
inner
sea
of
Chiloé)
Yaldad
(southernmost
tip),
through
91-day
reciprocal
transplant
experiment
genomic
evidence.
mussels
grew
faster
their
native
environment
(0.015
g/day)
than
(0.004
g/day),
though
growth
declined
upon
transplantation.
Mussels
transplanted
within
between
beds
displayed
distinctive
adaptive
transcriptomic
responses,
with
differentially
expressed
genes
involved
immune
function,
osmoregulation,
metabolism,
cellular
balance.
Additionally,
58
known
outlier
SNPs
mapped
over
the
species’
genome
sequence
were
linked
oxidative
stress,
oxygen
management,
revealing
selection-targeted
specific
regions.
highlights
how
affect
response
M.
chilensis
impact
environments
counterbalancing
its
connectivity,
concluding
that
differences
should
be
monitored
conserved
sustainable
practices.
Plant Biotechnology Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Summary
Genome‐edited
plants,
endowed
with
climate‐smart
traits,
have
been
promoted
as
tools
for
strengthening
resilience
against
climate
change.
Successful
plant
gene
editing
(GE)
requires
precise
regulation
of
the
GE
machinery,
a
process
controlled
by
promoters,
which
drives
its
transcription
through
interactions
factors
(TFs)
and
RNA
polymerase.
While
constitutive
promoters
are
extensively
used
in
constructs,
their
limitations
highlight
need
alternative
approaches.
This
review
emphasizes
promise
tissue/organ
specific
well
inducible
enable
targeted
spatiotemporal
manner
no
effects
on
other
tissues.
Advances
synthetic
biology
paved
way
creation
offering
refined
control
over
expression
augmenting
potential
GE.
The
integration
these
novel
systems
presents
significant
opportunities
conditional
genome
editing.
Moreover,
advent
bioinformatic
artificial
intelligence
is
revolutionizing
characterization
regulatory
elements,
enhancing
our
understanding
roles
plants.
Thus,
this
provides
insights
into
strategic
use
promoter
to
enhance
precision,
efficiency
specificity
GE,
setting
stage
innovative
crop
improvement
strategies.
Journal of Human Genetics,
Journal Year:
2024,
Volume and Issue:
69(10), P. 499 - 504
Published: May 10, 2024
Abstract
Cell-type-specific
regulatory
elements,
cataloged
through
extensive
experiments
and
bioinformatics
in
large-scale
consortiums,
have
enabled
enrichment
analyses
of
genetic
associations
that
primarily
utilize
positional
information
the
elements.
These
identified
cell
types
pathways
genetically
associated
with
human
complex
traits.
However,
our
understanding
detailed
allelic
effects
on
these
elements’
activities
on-off
states
remains
incomplete,
hampering
interpretation
study
results.
This
review
introduces
machine
learning
methods
to
learn
sequence-dependent
transcriptional
regulation
mechanisms
from
DNA
sequences
for
predicting
such
(not
associations).
We
provide
a
concise
history
machine-learning-based
approaches,
requirements,
key
computational
processes,
focusing
primers
learning.
Convolution
self-attention,
pivotal
modern
deep-learning
models,
are
explained
geometrical
interpretations
using
dot
products.
facilitates
concept
why
been
used
sequences.
will
inspire
further
research
this
genetics
genomics
field.
Frontiers in Cell and Developmental Biology,
Journal Year:
2024,
Volume and Issue:
12
Published: Aug. 16, 2024
Fragile
X
Syndrome
(FXS)
is
a
genetic
neurodevelopmental
disorder
closely
associated
with
intellectual
disability
and
autism
spectrum
disorders.
The
core
of
the
disease
lies
in
abnormal
expansion
CGG
trinucleotide
repeat
sequence
at
5′end
FMR1
gene.
When
repetition
exceeds
200
times,
it
causes
silencing
gene,
leading
to
absence
encoded
mental
retardation
protein
1
(FMRP).
Although
detailed
mechanism
by
which
triggers
gene
yet
be
fully
elucidated,
known
that
this
process
does
not
alter
promoter
region
or
coding
This
discovery
provides
scientific
basis
for
potential
reversal
through
interventional
approaches,
thereby
improving
symptoms
FXS.
Epigenetics,
regulation
depend
on
changes
DNA
sequence,
has
become
new
focus
FXS
research
modulating
expression
reversible
manner.
latest
progress
molecular
genetics
revealed
epigenetics
plays
key
role
pathogenesis
pathophysiological
processes
article
compiles
existing
findings
aim
deepening
understanding
identify
targets
therapeutic
strategies.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
Mammalian
genomes
contain
millions
of
regulatory
elements
that
control
the
complex
patterns
gene
expression.
Previously,
The
ENCODE
consortium
mapped
biochemical
signals
across
many
cell
types
and
tissues
integrated
these
data
to
develop
a
Registry
0.9
million
human
300
thousand
mouse
candidate
cis-Regulatory
Elements
(cCREs)
annotated
with
potential
functions
1
.
We
have
expanded
include
2.35
927
cCREs,
leveraging
new
datasets
enhanced
computational
methods.
This
covers
hundreds
unique
tissue
types,
providing
comprehensive
understanding
regulation.
Functional
characterization
from
assays
like
STARR-seq,
MPRA,
CRISPR
perturbation,
transgenic
now
cover
over
90%
revealing
functions.
identified
thousands
novel
silencer
cCREs
demonstrated
their
dual
enhancer/silencer
roles
in
different
cellular
contexts.
Integrating
other
annotations
facilitates
genetic
variation
interpretation
trait-associated
identification,
exemplified
by
discovering
KLF1
as
causal
for
red
blood
traits.
is
valuable
resource
studying
genome
its
impact
on
health
disease.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 2, 2023
ABSTRACT
Dysregulation
of
the
early
stages
B-cell
lymphopoiesis,
orchestrating
development
cellular
immunity,
may
induce
malignant
transformations.
Therefore,
it
is
essential
to
characterize
gene
regulatory
network
(GRN)
driving
lymphopoiesis
in
healthy
individuals
uncover
malignancy
mechanisms.
To
this
end,
we
generated
a
dataset
that
included
paired
human
data
for
chromatin
accessibility
and
expression
eight
precursor
stages,
providing
first
deep
characterization
including
identification
elements
reconstruction
GRN.
Using
data,
recapitulated
well-known
revealed
new
regulons,
such
as
ELK3,
enriched
pro-B
cells
with
putative
role
cell
cycle
progression.
Moreover,
single-cell
multi-omics
analysis
validated
enhanced
resolution
landscape
recovered
by
bulk
revealing
MYBL2
ZNF367
specific
regulons
cycling
states,
CEBPA
associated
lymphoid
multipotent
progenitors
(LMPPs).
Importantly,
enabled
us
acute
lymphoblastic
leukemia
(B-ALL)
triggers.
We
identified
different
origins
transformation
depending
on
B-ALL
subtype,
association
ETV6-RUNX1
increased
ELK3
ALL
subtype.
Overall,
our
provides
most
comprehensive
atlas
date
regulation
(B-rex;
https://translationalbio.shinyapps.io/brex/
),
facilitating
further
understanding
differentiation
health
disease.