Dissecting genomes of multiple yak populations: unveiling ancestry and high-altitude adaptation through whole-genome resequencing analysis
BMC Genomics,
Journal Year:
2025,
Volume and Issue:
26(1)
Published: March 3, 2025
The
present
study
was
undertaken
to
elucidate
the
population
structure
and
differentiation
of
Indian
yak
from
Chinese
wild
cohorts
on
genome-wide
scale
by
identifying
selection
sweeps
genomic
basis
their
adaptation
across
different
comparisons
while
analyzing
whole
genome
sequencing
(WGS)
data
using
latest
bioinformatics
tools.
included
105
individuals
three
distinct
populations
i.e.,
(n
=
29);
61)
15),
hypothesized
be
related
along
evolutionary
timescale.
Efficient
variant
calling
quality
control
in
GATK
PLINK
programs
resulted
around
1
million
(1,002,970)
high-quality
(LD-independent)
SNPs
with
an
average
genotyping
rate
96.55%.
PCA,
ADMIXTURE
TREEMIX
analysis
revealed
stratification
groups
into
clusters.
empirical
distribution
pattern
minor
allele
frequency
(MAF)
also
elucidated
for
revealing
unique
five
bins.
signature
candidate
genes
that
are
important
against
harsh
environmental
conditions
habitats.
Under
iHS
analysis,
several
were
identified
under
pressure
including
ABCA12,
EXOC1,
JUNB,
KLF1,
PRDX2,
NANOS3,
RFX1,
RFX2,
CACNG7.
On
other
hand,
like
NR2F2,
OSBPL10,
CIDEC,
WFIKKN2,
ADCY,
THSD7A,
ADGRB3,
TRPC1,
VASH2,
ABHD5
part
selective
these
comparisons.
A
total
53
found
common
between
intra-
inter-population
yak.
Notably,
harbouring
significant
traits
lipidogenesis,
energy
metabolism,
thermogenesis,
hair
follicle
formation,
oxidation–reduction
reactions,
hypoxia
reproduction.
These
may
evaluated
as
livestock
further
research
application
era
climate
change.
Language: Английский
Effects of Heat Shock Protein 70 Gene Polymorphism on Heat Resistance in Beef and Dairy Calves Based on Proliferation and Heat Shock Protein 70 Gene Expression in Peripheral Blood Mononuclear Cells and Hair Follicles
Animals,
Journal Year:
2025,
Volume and Issue:
15(4), P. 475 - 475
Published: Feb. 7, 2025
The
study
objectives
were
to
investigate
the
heat
resistance
using
peripheral
blood
mononuclear
cells
(PBMCs)
and
hair
follicles
in
beef
dairy
calves
based
on
shock
protein
(HSP)
70
genetic
polymorphisms.
follicle
samples
from
sixty
(6
months
old;
30
Korean
native
Holstein
calves)
collected
for
DNA
extraction.
HSP70
single
nucleotide
polymorphism
(SNP)
was
genotyped
a
5′-exonuclease
activity
(TaqMan)
assay.
In
Study
1,
PBMCs
isolated
20
categorized
by
their
genotypes
during
thermoneutral
period:
10
(B-CC
B-C/-type)
(D-CC,
D-C/-type).
then
exposed
stress
at
37
°C
(control,
CON)
42
(heat
stress,
HS)
3
h.
Following
this,
returned
incubator
0,
3,
6,
12
h
further
recovery
analysis.
2,
(six
times
every
days;
threshold,
mild,
moderate
levels)
gene
expression
measured.
Data
analyzed
via
two-way
analysis
of
variance
(ANOVA)
Tukey’s
honestly
significant
difference
(HSD)
test.
cell
proliferation
D-C/-group
significantly
higher
(p
<
0.05)
than
D-CC
B-C/-groups
0
1
after
HS
mRNA
greater
0.01)
all
groups
compared
CON
exposure.
B-CC
immediately
(0
h)
following
HS.
group
also
B-C/-group.
increased
more
level
that
threshold
level.
addition,
overexpression
noted
D-C/-groups
B-C/-groups.
conclusion,
our
results
indicate
breeds
polymorphisms
exhibit
distinctive
pattern
immune
profiles.
Additionally,
may
serve
as
an
indicator
across
different
breeds,
making
it
potential
novel
barometer
Language: Английский
Association of two missense mutations in the MSS51 and KAT6B genes with body weight at different ages in cows of the Yaroslavl breed
Vavilov Journal of Genetics and Breeding,
Journal Year:
2025,
Volume and Issue:
29(1), P. 122 - 127
Published: March 4, 2025
The
Yaroslavl
cattle
is
a
native
Russian
dairy
breed
developed
in
the
19th
century
from
Northern
Great
cattle,
which
were
adapted
to
withstand
harsh
climates
and
poor
forage
conditions.
Previous
studies
identified
two
breed-specific
missense
mutations
MSS51
(Ala415Glu)
KAT6B
(Val105Met)
genes
that
negatively
impact
body
weight
of
animals.
This
study
aimed
confirm
association
these
genes,
along
with
mutant
haplotype
containing
both
mutations,
live
at
various
ages
using
an
expanded
sample
set.
We
genotyped
113
cows
for
variants
analyzed
their
associations
birth,
as
well
6,
10,
12,
15,
18
months
combined
143
animals,
includes
earlier
data.
employed
linear
regression
one-way
ANOVA
statistical
analysis.
results
indicated
significant
mutation
gene.
gene
was
associated
months.
Notably,
linked
across
all
6
One-way
revealed
genotypes
only
For
haplotype,
found
In
tests,
most
observed
rather
than
individual
variants.
These
findings
could
be
instrumental
enhancing
beef
hybrids
utilising
breed.
Language: Английский
Rethinking River Buffalo Domestication Through the Lens of Population Genetics Tools: Mehsana Buffalo Is a Unique Population
Rangasai Chandra Goli,
No information about this author
Kiyevi G Chishi,
No information about this author
Karan Mahar
No information about this author
et al.
OMICS A Journal of Integrative Biology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 15, 2025
Riverine
buffalo
domestication
likely
occurred
around
6300
years
ago
in
Northwestern
India.
Murrah
and
Surti
are
important
breeds
that
originated
this
region
the
gene
flow
from
these
buffaloes
to
Mehsana
has
long
been
proposed.
However,
extent
which
ancestry
diffused
across
not
investigated
thoroughly.
Therefore,
we
global
local
of
Indian
using
double
digest
restriction-site
associated
DNA
sequencing
data.
Principal
component
analysis,
admixture
dating,
three
population
tests
revealed
with
statistical
significance
is
a
unique
population.
Hence,
hypothesis
crossbreed
between
supported
by
findings.
noticed
some
individuals
Mehsana,
6
out
15,
were
admixed
having
41%
Murrah-specific
11%
Surti-specific
ancestry.
Local
post-admixture
selection
signatures
(PASS)
PASS
genome,
is,
on
Bubalus
bubalis
autosomes
(BBA),
1-23
linked
BBA,
24
Murrah.
Interestingly,
upon
functional
enrichment
signatures,
several
adaptation-related
genes
pathways
ascertained
Surti,
while
Murrah-derived
regions
featured
involved
fatty
acid
synthesis
(Acyl-CoA
Synthetase
Short-Chain
Family
Member
2
(ACSS2))
milk
production.
Based
infer
introgression
genome
into
happened
recent
times
ancient
generations.
The
finding
an
independent
highlights
importance
recognizing
distinct
genetic
lineages
domesticated
species.
This
implications
for
reevaluating
origins
uniqueness
other
livestock
often
assumed
be
hybrids.
Practically,
findings
open
up
new
avenues
selective
breeding
preserve
traits
such
as
disease
resistance,
adaptability,
production
efficiency.
Further
studies
larger
samples
called
for.
Language: Английский
Adaptability of Polish Red cows to extensive conditions
BMC Veterinary Research,
Journal Year:
2025,
Volume and Issue:
21(1)
Published: May 9, 2025
This
study
assessed
the
adaptive
capacity
of
Polish
Red
cattle,
one
oldest
indigenous
dual-purpose
breeds
in
Europe,
to
extensive
environmental
conditions
north-eastern
Poland.
Twenty-two
pregnant
cows
(average
lactation
number:
4.6)
were
divided
into
two
groups:
maintained
a
highly
'bale
grazing'
system
(EXT),
and
other
under
traditional
housing
for
suckler
(TRAD).
The
experiment
was
conducted
from
onset
winter
through
end
subsequent
pasture
season.
Parameters
included
changes
body
weight
condition
score
(BCS),
calf
growth
performance,
milk
yield,
haematological
biochemical
blood
indices.
Statistical
analysis
performed
using
independent-samples
t-tests
Mann-Whitney
U
test
(p
≤
0.05,
p
0.01).
Despite
challenging
EXT
group,
including
no
shelter
exposure
variable
climatic
factors,
health
comparable
TRAD
group.
While
group
calves
showed
superior
(29
kg
higher
weight,
0.01),
exhibited
remarkable
resilience
by
supporting
survival
with
minimal
loss
4.4
loss,
less
than
1%
initial
weight).
Blood
parameters
remained
within
physiological
ranges
both
groups,
confirming
breed's
adaptability.
These
findings
provide
first
experimental
evidence
adaptability
cattle
farming
systems,
highlighting
their
potential
as
valuable
genetic
resource
sustainable
livestock
production
increasing
variability.
conclusion
has
significant
implications
conservation
biodiversity
development
climate-resilient
breeding
Europe.
Language: Английский