Genes,
Journal Year:
2024,
Volume and Issue:
16(1), P. 27 - 27
Published: Dec. 27, 2024
Runs
of
homozygosity
(ROHs)
and
heterozygosity
(ROHets)
serve
for
the
identification
genomic
regions
as
candidates
selection,
local
adaptation,
population
history.
The
present
study
aimed
to
comprehensively
explore
ROH
ROHet
patterns
hotspots
in
Greek
native
dairy
goats,
Eghoria
Skopelos,
genotyped
with
Illumina
Goat
SNP50
BeadChip.
SNP
functional
enrichment
analyses
were
conducted
further
characterize
candidate
genes
located
within
these
regions.
Genetic
relationships
between
breeds
inbreeding
coefficients
also
evaluated.
Clear
genetic
differentiation
diversified
management
practices
depicted
two
populations.
average
genome
coverage
Skopelos
(65.35
35
Mb)
(47.64
43
indicated
differences
mainland
insular
showing
more
long
fragments,
reflecting
its
geographic
isolation
small
size.
An
hotspot
(CHR12:
43.59-44.61
detected
has
been
reported
across
European
goats
co-localizes
a
selection
signal
Egyptian
Barki
sheep
adapted
hot-arid
conditions.
A
novel
(CHR18:
60.12-61.81
Mb),
shared
among
breeds,
harbors
enriched
biosynthesis,
metabolism,
immune
response.
Two
well-conserved
islands
on
chromosomes
1
18,
participating
development
embryogenesis.
showed
highest
number
islands,
potentially
adaptability
diverse
environments.
These
findings
offer
new
insights
into
environmental
adaptation
artificial
could
be
utilized
future
breeding
strategies
sustainable
goat
farming.
Animal Genetics,
Journal Year:
2024,
Volume and Issue:
55(4), P. 575 - 587
Published: May 28, 2024
Animal
genetic
resources
are
crucial
for
ensuring
global
food
security.
However,
in
recent
years,
a
noticeable
decline
the
diversity
of
livestock
has
occurred
worldwide.
This
is
pronounced
developing
countries,
where
management
these
insufficient.
In
current
study,
we
performed
whole
genome
sequencing
20
Wuxue
(WX)
and
five
Guizhou
White
(GW)
goats.
Additionally,
utilized
published
genomes
131
samples
representing
different
goat
breeds
from
various
regions
China.
We
investigated
compared
selection
signatures
WX
Whole
analysis
GW
populations
yielded
120
425
063
SNPs,
which
resided
primarily
intergenic
intron
regions.
Population
structure
revealed
that
exhibited
resemblance
to
GW,
Chengdu
Brown,
Jintang
Black
significant
differentiation
other
breeds.
addition,
three
methods
(nucleotide
diversity,
linkage
disequilibrium
decay,
runs
homozygosity)
showed
moderate
used
nucleotide
composite
likelihood
ratio
identify
within-breed
positive
A
total
369
genes
were
identified
using
both
detection
methods,
including
related
reproduction
(GRID2,
ZNF276,
TCF25,
SPIRE2),
growth
(HMGA2
GJA3),
immunity
(IRF3
SRSF3).
Overall,
this
study
explored
adaptability
goats,
shedding
light
on
their
richness
potential
thrive
challenges
posed
by
climatic
changes
diseases.
Further
investigations
warranted
harness
insights
enhance
more
efficient
sustainable
breeding
initiatives.
Frontiers in Animal Science,
Journal Year:
2024,
Volume and Issue:
5
Published: Nov. 19, 2024
Methods
Up
to
237
individuals
belonging
10
different
taurine
(
Bos
taurus
),
zebu
B.
indicus
and
×
sanga
cattle
populations
sampled
in
Benin,
Burkina
Faso,
Niger
were
typed
using
the
BovineHD
BeadChip
of
Illumina
ascertain
patterns
importance
heterozygosity-rich
regions
(HRRs)
West
African
cattle.
To
account
for
among-population
gene
flow,
further
classified
into
three
groups
(Qtaurine,
Qzebu,
admixed)
according
maximum
likelihood
estimates
individual
ancestries
q^
)
obtained
program
Admixture
v1.23.
Results
discussion
The
967
HRRs
identified
on
27
out
29
bovine
chromosomes
231
summarized
103
HRR
islands,
covering
40.7
Mb
genome.
Only
islands
at
least
10%
animals
or
type
admixture
class
considered
relevant
characterize
genomic
background.
one
taurine-
zebu-specific,
respectively.
Most
(14)
present
despite
which
they
(waHRR),
suggesting
that
can
give
advantages
adaptation
harsh
environments.
A
total
202
potential
candidate
genes
14
waHRR
islands.
them
belonged
families
coding
zinc
finger,
protocadherin,
adhesion
G
protein-coupled
receptors,
solute
carrier,
arachidonate
lipoxygenase
proteins,
involved
immune
response,
with
a
putative
role
adaptation.
Furthermore,
waHRRs
also
enriched
18
11
olfactory
receptors
pregnancy-associated
glycoproteins,
respectively,
giving
additional
support
suggested
adaptive
ability
Our
research
new
areas
be
targeted
ability.
Frontiers in Veterinary Science,
Journal Year:
2023,
Volume and Issue:
10
Published: May 3, 2023
Introduction
Wound
healing
is
very
important
for
the
maintenance
of
immune
barrier
integrity,
which
has
attracted
wide
attention
in
past
10
years.
However,
no
studies
on
regulation
cuproptosis
wound
have
been
reported.
Methods
In
this
study,
skin
injury
model
was
constructed
Gnxi
goats,
and
function,
regulatory
network
hub
genes
before
after
were
comprehensively
analyzed
by
transcriptomics.
Results
The
results
showed
that
there
1,438
differentially
expressed
(DEGs),
up-regulated
545
down-regulated
893,
detected
comparing
day
0
5
posttraumatic
skin.
Based
GO-KEGG
analysis,
DEGs
tended
to
be
enriched
lysosome,
phagosome,
leukocyte
transendothelial
migration
pathways,
while
significantly
adrenergic
signaling
cardiomyocytes
calcium
pathway.
There
166
overlapped
(DE-CUGs)
between
cuproptosis-related
genes,
with
72
DE-CUGs
94
DE-CUGs.
GOKEGG
analysis
ferroptosis,
lysosome
Apelin
pathway
tyrosine
metabolism
pathways.
By
constructing
analyzing
protein–protein
interaction
(PPI)
networks
DE-CUGs,
(ENSCHIG00000020079,
PLK1,
AURKA,
ASPM,
CENPE,
KIF20A,
CCNB2,
KIF2C,
PRC1
KIF4A)
(MMP2,
TIMP1,
MMP9,
MMP14,
TIMP3,
MMP1,
EDN1,
GCAT,
SARDH,
DCT)
obtained,
respectively.
Discussion
This
study
revealed
pathways
Ganxi
identified
correlation
first
time,
found
MMP2,
EDN1
core
associated.
transcriptome
data
goats
expanded
research
direction
cuproptosis.
Journal of Animal Science,
Journal Year:
2024,
Volume and Issue:
102
Published: Jan. 1, 2024
Abstract
Runs
of
homozygosity
(ROHom)
are
contiguous
stretches
homozygous
regions
the
genome.
In
contrast,
runs
heterozygosity
(ROHet)
heterozygosity-rich
regions.
The
detection
these
two
types
genomic
(ROHom
and
ROHet)
is
influenced
by
parameters
involved
in
their
identification
number
available
single-nucleotide
polymorphisms
(SNPs).
present
study
aimed
to
test
effect
chip
density
detecting
ROHom
ROHet
Italian
Simmental
cattle
breed.
A
sample
897
animals
were
genotyped
at
low
(50k
SNP;
397
individuals),
medium
(140k
348
or
high
(800k
152
individuals).
per
animal
(nROHom
nROHet,
respectively)
average
length
calculated.
shared
more
than
one
times
a
particular
SNP
was
inside
run
also
computed
(SNPROHom
SNPROHet).
As
increased,
nROHom
whereas
decreased.
nROHet
decreased
increased
as
increased.
most
repeated
harbored
no
genes,
four
genes
(SNRPN,
SNURF,
UBE3A,
ATP10A)
previously
associated
with
reproductive
traits
found.
Across
3
datasets,
31
SNP,
located
on
Bos
taurus
autosome
(BTA)
6,
37
(located
BTA21)
exceeded
99th
percentile
distribution
SNPROHom
SNPROHet,
respectively.
region
BTA6
mapped
SLIT2,
PACRGL,
KCNIP4
19
18
BTA16
BTA21,
Interestingly,
found
through
analysis
reported
be
related
health,
reproduction,
fitness
traits.
results
confirm
that
reliable
when
increases,
trend
seems
opposite.
Genes
quantitative
trait
loci
(QTL)
highlighted
can
due
balancing
selection,
thus
traits,
mainly
production
strengthened
usefulness
analyzing
genomes
livestock
biological
meaning.
Annals of Animal Science,
Journal Year:
2023,
Volume and Issue:
24(2), P. 431 - 444
Published: Oct. 21, 2023
Abstract
This
study
reports
runs
of
homozygosity
(ROH)
and
heterozygosity
(ROHet)
distributed
in
a
large
population
Holstein
cattle
on
the
basis
two
microarrays
medium
(50k;
2163
animals;
54
609
SNPs)
high
single
nucleotide
polymorphism
(SNP)
density
(HD;
600
777
692
SNPs).
To
assess
inbreeding
values
cattle,
ROH-based
genomic
coefficient
(F
ROH
)
was
calculated.
The
comparison
SNP
panels
suggested
that
F
above
4
Mb
should
be
considered
for
densities
as
relatively
reliable
measure
inbreeding.
Moreover,
hotspots
coldspots
were
identified
compared
between
HD
50k
carefully
examined
association
with
production
functional
traits.
obtained
results
pinpointed
regions
presumably
under
selection
pressure
cattle.
overlapped
number
genes,
including
GHR
,
GBF1
SUMF1
CCL28
NIM1K
U6
BTRC
FABP1,
many
which
are
involved
important
characteristics.
We
also
found
some
panel
not
detected
panel,
mainly
because
insufficient
certain
regions.
suggests
using
medium-density
might
best
choice
when
precise
identification
patterns
is
main
goal.
In
summary,
this
work,
we
confirmed
high-density
to
allows
more
patterns,
especially
case
short
could
associated
ancestral
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 10, 2024
Abstract
Background
Autozygosity
is
the
homozygous
state
of
identical-by-descent
(IBD)
alleles,
which
can
result
from
several
phenomena.
The
increase
in
inbreeding
(F)
leads
to
different
negative
effects
such
as
a
reduction
genetic
variance,
with
individual
performance
(inbreeding
depression)
and
lower
population
viability.
Nowadays,
among
alternative
methods
estimate
inbreeding,
F
estimated
Run
Homozygosity
(FROH)
considered
most
powerful.
This
study
aimed
provide
systematic
review
comprehensive
understanding
structure
dynamics
genomic
diversity
impact
ROH
studies
over
last
decade,
highlighting
directions
opportunities
for
future
research.
Results
406
publications
were
identified
on
WoS
core
collection
applied
bibliometric
analysis
available
R
environment.
revealed
an
increased
number
per
year.
China,
Italy,
United
States
are
countries
that
published
topic,
main
contributions
journals
Animals
Frontiers
Genetics.
highlights
growing
interest
functional
ROHs
driven
by
computational
tools
capable
characterizing
these
regions.
Noteworthy
PLINK
software
detectRUNS
package,
utilizing
sliding
window
methodology
SNP
genome.
Beyond
global
crisis
loss,
challenges
encompass
ecological
issues,
habitat
fragmentation,
isolated
populations,
well
availability
variation
species
domesticated
humans,
forms
foundation
our
food
supply.
Conclusion
A
progress
research
breeds
homozygosity
(ROH)
diversity,
advancement
technology
international
collaboration.
Asia,
America
Europe
lead
knowledge
production.
Advances
like
mean
quest
more
accurate
analysis.
Emerging
topics
migration
correlation
indicate
increasing
focus
standards.
Challenges
include
refining
analytical
techniques
exploring
regions
high
heterozygosity,
promising
directions.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
We
accessed
a
50K
Illumina
SNP
genotype
dataset
from
two
important
goat
breeds
of
the
Brazilian
semi-
arid
region
to
analyze
abundance
and
length
runs
homozygosity
(ROH).
This
analysis
aims
elucidate
importance
adaptation
history
in
genome
populations
measure
genomic
inbreeding.
Heterozygosity-rich
regions
(HRR)
or
high
genetic
variability
provide
clues
about
how
diversity
might
be
associated
with
increased
fitness,
avoiding
deleterious
homozygous
alleles.
Overall,
22,872
ROH
were
identified.
The
average
number
per
individual
ranged
74.73
(Anglo-Nubian
commercial
breed)
173.85
(Marota
landrace).
Analysis
distribution
according
their
size
showed
that,
for
both
breeds,
majority
short
(<2.0
Mb)
category
(65.6%).
ROH-based
inbreeding
(F
)
revealed
low
levels
Anglo-Nubian
(0.0627)
Marota
(0.1419),
likely
due
reduction
effective
population
over
generations
landrace.
defined
islands
HRR
identified
common
goat,
where
genes
related
various
traits
such
as
embryonic
development,
body
growth,
lipid
homeostasis,
brain
functions
are
located.
These
results
indicate
that
many
have
therefore
been
under
selective
pressure
these
reared
different
purposes.