Journal of Heredity,
Journal Year:
2023,
Volume and Issue:
114(5), P. 504 - 512
Published: June 29, 2023
Abstract
Several
methods
exist
for
detecting
genetic
relatedness
or
identity
by
comparing
DNA
information.
These
generally
require
genotype
calls,
either
single-nucleotide
polymorphisms
short
tandem
repeats,
at
the
sites
used
comparison.
For
some
samples,
like
those
obtained
from
bone
fragments
single
rootless
hairs,
there
is
often
not
enough
present
to
generate
calls
that
are
accurate
and
complete
these
comparisons.
Here,
we
describe
IBDGem,
a
fast
robust
computational
procedure
genomic
regions
of
identity-by-descent
low-coverage
shotgun
sequence
data
against
known
query
individual.
At
less
than
1×
genome
coverage,
IBDGem
reliably
detects
segments
can
make
high-confidence
detections
with
as
little
0.01×
coverage.
Nucleic Acids Research,
Journal Year:
2023,
Volume and Issue:
52(D1), P. D1082 - D1088
Published: Nov. 11, 2023
The
UCSC
Genome
Browser
(https://genome.ucsc.edu)
is
a
web-based
genomic
visualization
and
analysis
tool
that
serves
data
to
over
7,000
distinct
users
per
day
worldwide.
It
provides
annotation
on
thousands
of
genome
assemblies,
ranging
from
human
SARS-CoV2.
This
year,
we
have
introduced
new
the
Human
Pangenome
Reference
Consortium
viral
genomes
including
We
added
1,200
our
GenArk
system,
increasing
overall
diversity
representation.
support
for
nine
user-contributed
track
hubs
public
hub
system.
Additionally,
released
29
tracks
11
mouse
genome.
Collectively,
these
features
expand
both
breadth
depth
knowledge
share
publicly
with
NAR Genomics and Bioinformatics,
Journal Year:
2024,
Volume and Issue:
6(3)
Published: July 2, 2024
Abstract
The
Catalan
Initiative
for
the
Earth
BioGenome
Project
(CBP)
is
an
EBP-affiliated
project
network
aimed
at
sequencing
genome
of
>40
000
eukaryotic
species
estimated
to
live
in
Catalan-speaking
territories
(Catalan
Linguistic
Area,
CLA).
These
represent
a
biodiversity
hotspot.
While
covering
less
than
1%
Europe,
they
are
home
about
one
fourth
all
known
European
species.
include
high
proportion
endemisms,
many
which
threatened.
This
trend
likely
get
worse
as
effects
global
change
expected
be
particularly
severe
across
Mediterranean
Basin,
freshwater
ecosystems
and
mountain
areas.
Following
EBP
model,
CBP
networked
organization
that
has
been
able
engage
scientific
non-scientific
partners.
In
pilot
phase,
genomes
52
being
sequenced.
As
case
study
conservation,
we
highlight
Balearic
shearwater
Puffinus
mauretanicus,
sequenced
under
umbrella.
In
genomics
analysis,
with
the
development
of
sequencing
technology
and
rapid
growth
data
volume,
how
to
effectively
identify
analyze
important
information
in
genomic
from
massive
has
become
an
challenge.
Identify
key
patterns
features
through
advanced
community
testing
methods.
First,
often
contains
a
lot
noise
redundant
that
needs
be
processed
steps
such
as
normalization,
filtering,
dimensionality
reduction.
Normalization
makes
at
different
scales
comparable,
filtering
out
points
low
quality
or
missing
values,
reduction
reduces
dimensions
principal
component
analysis
(PCA)
retains
main
information.
The
gene
co-expression
network
establishes
connection
relationship
between
genes
by
calculating
expression
similarity
matrix
genes,
applies
Louvain
algorithm
maximize
modularity
network,
aggregate
nodes
layer
layer,
form
structure,
complex
potential
structure
genes.
Finally,
we
utilize
cancer
dataset
evaluate
proposed
model.
From
our
extensive
experimental
results,
can
observe
Louvain's
indicates
outperformances
accuracy
recognition
data.
Molecular Ecology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
This
is
a
reference
manual
for
the
elegant,
yet
hideously
complex
concept
of
effective
population
size
(Ne),
inspired
by
classic,
self-published
automotive
repair
'for
compleat
idiot'.
The
Guide
timely,
given
recent
Kunming-Montreal
Global
Biodiversity
Framework,
where
196
Parties
committed
to
tracking
genetic
diversity-and
estimating
Ne-for
all
species.
Ne
human
construct,
but
useful
one
that
allows
us
capture
diverse
aspects
an
organism's
biology
in
single
number.
collates
location
factual
information
about
size,
with
focus
on
topics
practical
relevance
scientists
and
managers
studying
real
populations;
it
covers
definition,
computation
estimation
both
demographically
genetically.
As
appropriate,
reader
directed
other
primary
sources
more
details.
A
'Don't
Do
These
Things'
section
lists
several
ill-advised
approaches
dealing
Ne,
Appendix
provides
tools
suggestions
interested
users.
special
considers
possibilities
challenges
presented
genomics
revolution.
Availability
vast
numbers
markers
increases
precision,
less
than
some
might
think,
simultaneously
introduces
new
involving
filtering
bioinformatics
processing.
annotated
genomes
become
common
non-model
species,
opportunities
are
opened
address
qualitatively
different
questions,
including
reconstructing
historical
changes
through
time.
Animals,
Journal Year:
2023,
Volume and Issue:
13(3), P. 471 - 471
Published: Jan. 29, 2023
Non-avian
reptiles
comprise
a
large
proportion
of
amniote
vertebrate
diversity,
with
squamate
reptiles—lizards
and
snakes—recently
overtaking
birds
as
the
most
species-rich
tetrapod
radiation.
Despite
displaying
an
extraordinary
diversity
phenotypic
genomic
traits,
resources
in
non-avian
have
accumulated
more
slowly
than
they
mammals
birds,
remaining
amniotes.
Here
we
review
remarkable
natural
history
reptiles,
focus
on
physical
characteristics,
sequence
compositional
patterns
that
key
axes
variation
across
We
argue
high
evolutionary
can
fuel
new
generation
whole-genome
phylogenomic
analyses.
A
survey
phylogenetic
investigations
shows
capture-based
approaches
are
commonly
used,
studies
markers
known
ultraconserved
elements
(UCEs)
especially
well
represented.
However,
many
other
types
exist
increasingly
being
mined
from
genome
assemblies
silico,
including
some
greater
information
potential
UCEs
for
certain
investigations.
discuss
importance
high-quality
methods
bioinformatically
extracting
range
marker
sets
assemblies.
Finally,
encourage
herpetologists
working
genomics,
genetics,
biology,
fields
to
work
collectively
towards
building
squamates,
rival
those
already
place
birds.
Overall,
development
this
cross-amniote
tree
life
will
contribute
illuminate
interesting
dimensions
biodiversity
broader
Molecular Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 29, 2024
The
black
abalone,
Haliotis
cracherodii,
is
a
large,
long-lived
marine
mollusc
that
inhabits
rocky
intertidal
habitats
along
the
coast
of
California
and
Mexico.
In
1985,
populations
were
impacted
by
bacterial
disease
known
as
withering
syndrome
(WS)
wiped
out
>90%
individuals,
leading
to
closure
all
U.S.
abalone
fisheries
since
1993.
Current
conservation
strategies
include
restoring
diminished
translocating
healthy
individuals.
However,
population
collapse
on
this
scale
may
have
dramatically
lowered
genetic
diversity
strengthened
geographic
differentiation,
making
translocation-based
recovery
contentious.
Additionally,
current
prevalence
WS
remains
unknown.
To
address
these
uncertainties,
we
sequenced
analysed
genomes
133
individuals
from
across
their
present
range.
We
observed
no
spatial
structure
among
with
exception
single
chromosomal
inversion
increases
in
frequency
latitude.
Outside
inversion,
differentiation
between
sites
minimal
does
not
either
distance
or
environmental
dissimilarity.
Genetic
appears
uniformly
high
Demographic
inference
indicate
severe
bottleneck
beginning
just
15
generations
past,
but
decline
short
lived,
present-day
size
far
exceeding
pre-bottleneck
status
quo.
Finally,
find
agent
equally
sampled
range,
only
10%
lack
structure,
uniform
bacteria
indicates
translocation
could
be
valid
low-risk
means
restoration
for
species'
recovery.
Genome Biology and Evolution,
Journal Year:
2024,
Volume and Issue:
16(4)
Published: April 1, 2024
Abstract
Transposable
elements
(TE)
play
critical
roles
in
shaping
genome
evolution.
Highly
repetitive
TE
sequences
are
also
a
major
source
of
assembly
gaps
making
it
difficult
to
fully
understand
the
impact
these
on
host
genomes.
The
increased
capacity
long-read
sequencing
technologies
span
highly
regions
promises
provide
new
insights
into
patterns
activity
across
diverse
taxa.
Here
we
report
generation
contiguous
reference
genomes
using
PacBio
and
Omni-C
for
three
species
Passerellidae
sparrow.
We
compared
assemblies
chromosome-level
sparrow
nine
other
generated
variety
short-
technologies.
All
based
were
longer
(range:
1.12
1.41
Gb)
than
short-read
(0.91
1.08
length
was
strongly
correlated
with
amount
repeat
content.
Repeat
content
Bell's
(31.2%
genome)
highest
level
ever
reported
within
order
Passeriformes,
which
comprises
over
half
avian
diversity.
levels
(79.2%
93.7%)
found
W
chromosome
relative
genome.
Finally,
show
that
proliferation
different
classes
varied
even
among
similar
These
support
dynamic
model
expansion
contraction
clade
where
TEs
once
thought
be
fairly
depauperate
static.
Our
work
highlights
how
resolution
difficult-to-assemble
transform
our
understanding
Molecular Ecology Resources,
Journal Year:
2023,
Volume and Issue:
unknown
Published: April 1, 2023
Abstract
Landscape
transcriptomics
is
an
emerging
field
studying
how
genome‐wide
expression
patterns
reflect
dynamic
landscape‐scale
environmental
drivers,
including
habitat,
weather,
climate,
and
contaminants,
the
subsequent
effects
on
organismal
function.
This
benefitting
from
advancing
increasingly
accessible
molecular
technologies,
which
in
turn
are
allowing
necessary
characterization
of
transcriptomes
wild
individuals
distributed
across
natural
landscapes.
research
especially
important
given
rapid
pace
anthropogenic
change
potential
impacts
that
span
levels
biological
organization.
We
discuss
three
major
themes
landscape
transcriptomic
research:
connecting
transcriptome
variation
landscapes
to
variation,
generating
testing
hypotheses
about
mechanisms
evolution
responses
environment,
applying
this
knowledge
species
conservation
management.
challenges
associated
with
approach
suggest
solutions.
conclude
has
great
promise
for
addressing
fundamental
questions
biology,
ecology,
evolution,
while
providing
tools
needed
management
species.